[divan] ajout d'un support rss
All checks were successful
camelia / deploy (push) Successful in 59s

This commit is contained in:
Esenjin 2025-01-15 11:44:34 +01:00
parent 1bd4e30d3c
commit a4204b71cb
87 changed files with 46408 additions and 0 deletions

View File

@ -0,0 +1,253 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// //
// extension.cache.dbm.php - part of getID3() //
// Please see readme.txt for more information //
// ///
/////////////////////////////////////////////////////////////////
// //
// This extension written by Allan Hansen <ahØartemis*dk> //
// ///
/////////////////////////////////////////////////////////////////
/**
* This is a caching extension for getID3(). It works the exact same
* way as the getID3 class, but return cached information very fast
*
* Example:
*
* Normal getID3 usage (example):
*
* require_once 'getid3/getid3.php';
* $getID3 = new getID3;
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
* getID3_cached usage:
*
* require_once 'getid3/getid3.php';
* require_once 'getid3/getid3/extension.cache.dbm.php';
* $getID3 = new getID3_cached('db3', '/tmp/getid3_cache.dbm',
* '/tmp/getid3_cache.lock');
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
*
* Supported Cache Types
*
* SQL Databases: (use extension.cache.mysql)
*
* cache_type cache_options
* -------------------------------------------------------------------
* mysql host, database, username, password
*
*
* DBM-Style Databases: (this extension)
*
* cache_type cache_options
* -------------------------------------------------------------------
* gdbm dbm_filename, lock_filename
* ndbm dbm_filename, lock_filename
* db2 dbm_filename, lock_filename
* db3 dbm_filename, lock_filename
* db4 dbm_filename, lock_filename (PHP5 required)
*
* PHP must have write access to both dbm_filename and lock_filename.
*
*
* Recommended Cache Types
*
* Infrequent updates, many reads any DBM
* Frequent updates mysql
*/
class getID3_cached_dbm extends getID3
{
/**
* @var resource
*/
private $dba;
/**
* @var resource|bool
*/
private $lock;
/**
* @var string
*/
private $cache_type;
/**
* @var string
*/
private $dbm_filename;
/**
* constructor - see top of this file for cache type and cache_options
*
* @param string $cache_type
* @param string $dbm_filename
* @param string $lock_filename
*
* @throws Exception
* @throws getid3_exception
*/
public function __construct($cache_type, $dbm_filename, $lock_filename) {
// Check for dba extension
if (!extension_loaded('dba')) {
throw new Exception('PHP is not compiled with dba support, required to use DBM style cache.');
}
// Check for specific dba driver
if (!function_exists('dba_handlers') || !in_array($cache_type, dba_handlers())) {
throw new Exception('PHP is not compiled --with '.$cache_type.' support, required to use DBM style cache.');
}
// Create lock file if needed
if (!file_exists($lock_filename)) {
if (!touch($lock_filename)) {
throw new Exception('failed to create lock file: '.$lock_filename);
}
}
// Open lock file for writing
if (!is_writeable($lock_filename)) {
throw new Exception('lock file: '.$lock_filename.' is not writable');
}
$this->lock = fopen($lock_filename, 'w');
// Acquire exclusive write lock to lock file
flock($this->lock, LOCK_EX);
// Create dbm-file if needed
if (!file_exists($dbm_filename)) {
if (!touch($dbm_filename)) {
throw new Exception('failed to create dbm file: '.$dbm_filename);
}
}
// Try to open dbm file for writing
$this->dba = dba_open($dbm_filename, 'w', $cache_type);
if (!$this->dba) {
// Failed - create new dbm file
$this->dba = dba_open($dbm_filename, 'n', $cache_type);
if (!$this->dba) {
throw new Exception('failed to create dbm file: '.$dbm_filename);
}
// Insert getID3 version number
dba_insert(getID3::VERSION, getID3::VERSION, $this->dba);
}
// Init misc values
$this->cache_type = $cache_type;
$this->dbm_filename = $dbm_filename;
// Register destructor
register_shutdown_function(array($this, '__destruct'));
// Check version number and clear cache if changed
if (dba_fetch(getID3::VERSION, $this->dba) != getID3::VERSION) {
$this->clear_cache();
}
parent::__construct();
}
/**
* destructor
*/
public function __destruct() {
// Close dbm file
dba_close($this->dba);
// Release exclusive lock
flock($this->lock, LOCK_UN);
// Close lock file
fclose($this->lock);
}
/**
* clear cache
*
* @throws Exception
*/
public function clear_cache() {
// Close dbm file
dba_close($this->dba);
// Create new dbm file
$this->dba = dba_open($this->dbm_filename, 'n', $this->cache_type);
if (!$this->dba) {
throw new Exception('failed to clear cache/recreate dbm file: '.$this->dbm_filename);
}
// Insert getID3 version number
dba_insert(getID3::VERSION, getID3::VERSION, $this->dba);
// Re-register shutdown function
register_shutdown_function(array($this, '__destruct'));
}
/**
* clear cache
*
* @param string $filename
* @param int $filesize
* @param string $original_filename
* @param resource $fp
*
* @return mixed
*/
public function analyze($filename, $filesize=null, $original_filename='', $fp=null) {
$key = null;
if (file_exists($filename)) {
// Calc key filename::mod_time::size - should be unique
$key = $filename.'::'.filemtime($filename).'::'.filesize($filename);
// Loopup key
$result = dba_fetch($key, $this->dba);
// Hit
if ($result !== false) {
return unserialize($result);
}
}
// Miss
$result = parent::analyze($filename, $filesize, $original_filename, $fp);
// Save result
if ($key !== null) {
dba_insert($key, serialize($result), $this->dba);
}
return $result;
}
}

View File

@ -0,0 +1,227 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// //
// extension.cache.mysql.php - part of getID3() //
// Please see readme.txt for more information //
// ///
/////////////////////////////////////////////////////////////////
// //
// This extension written by Allan Hansen <ahØartemis*dk> //
// Table name mod by Carlo Capocasa <calroØcarlocapocasa*com> //
// ///
/////////////////////////////////////////////////////////////////
/**
* This is a caching extension for getID3(). It works the exact same
* way as the getID3 class, but return cached information very fast
*
* Example: (see also demo.cache.mysql.php in /demo/)
*
* Normal getID3 usage (example):
*
* require_once 'getid3/getid3.php';
* $getID3 = new getID3;
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
* getID3_cached usage:
*
* require_once 'getid3/getid3.php';
* require_once 'getid3/getid3/extension.cache.mysql.php';
* // 5th parameter (tablename) is optional, default is 'getid3_cache'
* $getID3 = new getID3_cached_mysql('localhost', 'database', 'username', 'password', 'tablename');
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
*
* Supported Cache Types (this extension)
*
* SQL Databases:
*
* cache_type cache_options
* -------------------------------------------------------------------
* mysql host, database, username, password
*
*
* DBM-Style Databases: (use extension.cache.dbm)
*
* cache_type cache_options
* -------------------------------------------------------------------
* gdbm dbm_filename, lock_filename
* ndbm dbm_filename, lock_filename
* db2 dbm_filename, lock_filename
* db3 dbm_filename, lock_filename
* db4 dbm_filename, lock_filename (PHP5 required)
*
* PHP must have write access to both dbm_filename and lock_filename.
*
*
* Recommended Cache Types
*
* Infrequent updates, many reads any DBM
* Frequent updates mysql
*/
class getID3_cached_mysql extends getID3
{
/**
* @var resource
*/
private $cursor;
/**
* @var resource
*/
private $connection;
/**
* @var string
*/
private $table;
/**
* constructor - see top of this file for cache type and cache_options
*
* @param string $host
* @param string $database
* @param string $username
* @param string $password
* @param string $table
*
* @throws Exception
* @throws getid3_exception
*/
public function __construct($host, $database, $username, $password, $table='getid3_cache') {
// Check for mysql support
if (!function_exists('mysql_pconnect')) {
throw new Exception('PHP not compiled with mysql support.');
}
// Connect to database
$this->connection = mysql_pconnect($host, $username, $password);
if (!$this->connection) {
throw new Exception('mysql_pconnect() failed - check permissions and spelling.');
}
// Select database
if (!mysql_select_db($database, $this->connection)) {
throw new Exception('Cannot use database '.$database);
}
// Set table
$this->table = $table;
// Create cache table if not exists
$this->create_table();
// Check version number and clear cache if changed
$version = '';
$SQLquery = 'SELECT `value`';
$SQLquery .= ' FROM `'.mysql_real_escape_string($this->table).'`';
$SQLquery .= ' WHERE (`filename` = \''.mysql_real_escape_string(getID3::VERSION).'\')';
$SQLquery .= ' AND (`filesize` = -1)';
$SQLquery .= ' AND (`filetime` = -1)';
$SQLquery .= ' AND (`analyzetime` = -1)';
if ($this->cursor = mysql_query($SQLquery, $this->connection)) {
list($version) = mysql_fetch_array($this->cursor);
}
if ($version != getID3::VERSION) {
$this->clear_cache();
}
parent::__construct();
}
/**
* clear cache
*/
public function clear_cache() {
$this->cursor = mysql_query('DELETE FROM `'.mysql_real_escape_string($this->table).'`', $this->connection);
$this->cursor = mysql_query('INSERT INTO `'.mysql_real_escape_string($this->table).'` VALUES (\''.getID3::VERSION.'\', -1, -1, -1, \''.getID3::VERSION.'\')', $this->connection);
}
/**
* analyze file
*
* @param string $filename
* @param int $filesize
* @param string $original_filename
* @param resource $fp
*
* @return mixed
*/
public function analyze($filename, $filesize=null, $original_filename='', $fp=null) {
$filetime = 0;
if (file_exists($filename)) {
// Short-hands
$filetime = filemtime($filename);
$filesize = filesize($filename);
// Lookup file
$SQLquery = 'SELECT `value`';
$SQLquery .= ' FROM `'.mysql_real_escape_string($this->table).'`';
$SQLquery .= ' WHERE (`filename` = \''.mysql_real_escape_string($filename).'\')';
$SQLquery .= ' AND (`filesize` = \''.mysql_real_escape_string($filesize).'\')';
$SQLquery .= ' AND (`filetime` = \''.mysql_real_escape_string($filetime).'\')';
$this->cursor = mysql_query($SQLquery, $this->connection);
if (mysql_num_rows($this->cursor) > 0) {
// Hit
list($result) = mysql_fetch_array($this->cursor);
return unserialize(base64_decode($result));
}
}
// Miss
$analysis = parent::analyze($filename, $filesize, $original_filename, $fp);
// Save result
if (file_exists($filename)) {
$SQLquery = 'INSERT INTO `'.mysql_real_escape_string($this->table).'` (`filename`, `filesize`, `filetime`, `analyzetime`, `value`) VALUES (';
$SQLquery .= '\''.mysql_real_escape_string($filename).'\'';
$SQLquery .= ', \''.mysql_real_escape_string($filesize).'\'';
$SQLquery .= ', \''.mysql_real_escape_string($filetime).'\'';
$SQLquery .= ', \''.mysql_real_escape_string(time() ).'\'';
$SQLquery .= ', \''.mysql_real_escape_string(base64_encode(serialize($analysis))).'\')';
$this->cursor = mysql_query($SQLquery, $this->connection);
}
return $analysis;
}
/**
* (re)create sql table
*
* @param bool $drop
*/
private function create_table($drop=false) {
$SQLquery = 'CREATE TABLE IF NOT EXISTS `'.mysql_real_escape_string($this->table).'` (';
$SQLquery .= '`filename` VARCHAR(990) NOT NULL DEFAULT \'\'';
$SQLquery .= ', `filesize` INT(11) NOT NULL DEFAULT \'0\'';
$SQLquery .= ', `filetime` INT(11) NOT NULL DEFAULT \'0\'';
$SQLquery .= ', `analyzetime` INT(11) NOT NULL DEFAULT \'0\'';
$SQLquery .= ', `value` LONGTEXT NOT NULL';
$SQLquery .= ', PRIMARY KEY (`filename`, `filesize`, `filetime`))';
$this->cursor = mysql_query($SQLquery, $this->connection);
echo mysql_error($this->connection);
}
}

View File

@ -0,0 +1,263 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// //
// extension.cache.mysqli.php - part of getID3() //
// Please see readme.txt for more information //
// //
/////////////////////////////////////////////////////////////////
// //
// This extension written by Allan Hansen <ahØartemis*dk> //
// Table name mod by Carlo Capocasa <calroØcarlocapocasa*com> //
// ///
/////////////////////////////////////////////////////////////////
/**
* This is a caching extension for getID3(). It works the exact same
* way as the getID3 class, but return cached information very fast
*
* Example: (see also demo.cache.mysql.php in /demo/)
*
* Normal getID3 usage (example):
*
* require_once 'getid3/getid3.php';
* $getID3 = new getID3;
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
* getID3_cached usage:
*
* require_once 'getid3/getid3.php';
* require_once 'getid3/getid3/extension.cache.mysqli.php';
* // 5th parameter (tablename) is optional, default is 'getid3_cache'
* $getID3 = new getID3_cached_mysqli('localhost', 'database', 'username', 'password', 'tablename');
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
*
* Supported Cache Types (this extension)
*
* SQL Databases:
*
* cache_type cache_options
* -------------------------------------------------------------------
* mysqli host, database, username, password
*
*
* DBM-Style Databases: (use extension.cache.dbm)
*
* cache_type cache_options
* -------------------------------------------------------------------
* gdbm dbm_filename, lock_filename
* ndbm dbm_filename, lock_filename
* db2 dbm_filename, lock_filename
* db3 dbm_filename, lock_filename
* db4 dbm_filename, lock_filename (PHP5 required)
*
* PHP must have write access to both dbm_filename and lock_filename.
*
*
* Recommended Cache Types
*
* Infrequent updates, many reads any DBM
* Frequent updates mysqli
*/
class getID3_cached_mysqli extends getID3
{
/**
* @var mysqli
*/
private $mysqli;
/**
* @var mysqli_result
*/
private $cursor;
/**
* @var string
*/
private $table;
/**
* @var bool
*/
private $db_structure_check;
/**
* constructor - see top of this file for cache type and cache_options
*
* @param string $host
* @param string $database
* @param string $username
* @param string $password
* @param string $table
*
* @throws Exception
* @throws getid3_exception
*/
public function __construct($host, $database, $username, $password, $table='getid3_cache') {
// Check for mysqli support
if (!function_exists('mysqli_connect')) {
throw new Exception('PHP not compiled with mysqli support.');
}
// Connect to database
$this->mysqli = new mysqli($host, $username, $password);
if ($this->mysqli->connect_error) {
throw new Exception('Connect Error (' . $this->mysqli->connect_errno . ') ' . $this->mysqli->connect_error);
}
// Select database
if (!$this->mysqli->select_db($database)) {
throw new Exception('Cannot use database '.$database);
}
// Set table
$this->table = $table;
// Create cache table if not exists
$this->create_table();
$this->db_structure_check = true; // set to false if you know your table structure has already been migrated to use `hash` as the primary key to avoid
$this->migrate_db_structure();
// Check version number and clear cache if changed
$version = '';
$SQLquery = 'SELECT `value`';
$SQLquery .= ' FROM `'.$this->mysqli->real_escape_string($this->table).'`';
$SQLquery .= ' WHERE (`filename` = \''.$this->mysqli->real_escape_string(getID3::VERSION).'\')';
$SQLquery .= ' AND (`hash` = \'getID3::VERSION\')';
if ($this->cursor = $this->mysqli->query($SQLquery)) {
list($version) = $this->cursor->fetch_array();
}
if ($version != getID3::VERSION) {
$this->clear_cache();
}
parent::__construct();
}
/**
* clear cache
*/
public function clear_cache() {
$this->mysqli->query('TRUNCATE TABLE `'.$this->mysqli->real_escape_string($this->table).'`');
$this->mysqli->query('INSERT INTO `'.$this->mysqli->real_escape_string($this->table).'` (`hash`, `filename`, `filesize`, `filetime`, `analyzetime`, `value`) VALUES (\'getID3::VERSION\', \''.getID3::VERSION.'\', -1, -1, -1, \''.getID3::VERSION.'\')');
}
/**
* migrate database structure if needed
*/
public function migrate_db_structure() {
// Check for table structure
if ($this->db_structure_check) {
$SQLquery = 'SHOW COLUMNS';
$SQLquery .= ' FROM `'.$this->mysqli->real_escape_string($this->table).'`';
$SQLquery .= ' LIKE \'hash\'';
$this->cursor = $this->mysqli->query($SQLquery);
if ($this->cursor->num_rows == 0) {
// table has not been migrated, add column, add hashes, change index
$SQLquery = 'ALTER TABLE `getid3_cache` DROP PRIMARY KEY, ADD `hash` CHAR(32) NOT NULL DEFAULT \'\' FIRST, ADD PRIMARY KEY(`hash`)';
$this->mysqli->query($SQLquery);
$SQLquery = 'UPDATE `getid3_cache` SET';
$SQLquery .= ' `hash` = MD5(`filename`, `filesize`, `filetime`)';
$SQLquery .= ' WHERE (`filesize` > -1)';
$this->mysqli->query($SQLquery);
$SQLquery = 'UPDATE `getid3_cache` SET';
$SQLquery .= ' `hash` = \'getID3::VERSION\'';
$SQLquery .= ' WHERE (`filesize` = -1)';
$SQLquery .= ' AND (`filetime` = -1)';
$SQLquery .= ' AND (`filetime` = -1)';
$this->mysqli->query($SQLquery);
}
}
}
/**
* analyze file
*
* @param string $filename
* @param int $filesize
* @param string $original_filename
* @param resource $fp
*
* @return mixed
*/
public function analyze($filename, $filesize=null, $original_filename='', $fp=null) {
$filetime = 0;
if (file_exists($filename)) {
// Short-hands
$filetime = filemtime($filename);
$filesize = filesize($filename);
// Lookup file
$SQLquery = 'SELECT `value`';
$SQLquery .= ' FROM `'.$this->mysqli->real_escape_string($this->table).'`';
$SQLquery .= ' WHERE (`hash` = \''.$this->mysqli->real_escape_string(md5($filename.$filesize.$filetime)).'\')';
$this->cursor = $this->mysqli->query($SQLquery);
if ($this->cursor->num_rows > 0) {
// Hit
list($result) = $this->cursor->fetch_array();
return unserialize(base64_decode($result));
}
}
// Miss
$analysis = parent::analyze($filename, $filesize, $original_filename, $fp);
// Save result
if (file_exists($filename)) {
$SQLquery = 'INSERT INTO `'.$this->mysqli->real_escape_string($this->table).'` (`hash`, `filename`, `filesize`, `filetime`, `analyzetime`, `value`) VALUES (';
$SQLquery .= '\''.$this->mysqli->real_escape_string(md5($filename.$filesize.$filetime)).'\'';
$SQLquery .= ', \''.$this->mysqli->real_escape_string($filename).'\'';
$SQLquery .= ', \''.$this->mysqli->real_escape_string($filesize).'\'';
$SQLquery .= ', \''.$this->mysqli->real_escape_string($filetime).'\'';
$SQLquery .= ', UNIX_TIMESTAMP()';
$SQLquery .= ', \''.$this->mysqli->real_escape_string(base64_encode(serialize($analysis))).'\'';
$SQLquery .= ')';
$this->cursor = $this->mysqli->query($SQLquery);
}
return $analysis;
}
/**
* (re)create mysqli table
*
* @param bool $drop
*/
private function create_table($drop=false) {
if ($drop) {
$SQLquery = 'DROP TABLE IF EXISTS `'.$this->mysqli->real_escape_string($this->table).'`';
$this->mysqli->query($SQLquery);
}
$SQLquery = 'CREATE TABLE IF NOT EXISTS `'.$this->mysqli->real_escape_string($this->table).'` (';
$SQLquery .= '`hash` CHAR(32) NOT NULL DEFAULT \'\'';
$SQLquery .= ', `filename` VARCHAR(1000) NOT NULL DEFAULT \'\'';
$SQLquery .= ', `filesize` INT(11) NOT NULL DEFAULT \'0\'';
$SQLquery .= ', `filetime` INT(11) NOT NULL DEFAULT \'0\'';
$SQLquery .= ', `analyzetime` INT(11) NOT NULL DEFAULT \'0\'';
$SQLquery .= ', `value` LONGTEXT NOT NULL';
$SQLquery .= ', PRIMARY KEY (`hash`))';
$this->cursor = $this->mysqli->query($SQLquery);
echo $this->mysqli->error;
}
}

View File

@ -0,0 +1,297 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// //
// extension.cache.mysqli.php - part of getID3() //
// Please see readme.txt for more information //
// //
/////////////////////////////////////////////////////////////////
// //
// extension.cache.sqlite3.php - part of getID3() //
// Please see readme.txt for more information //
// //
/////////////////////////////////////////////////////////////////
/// //
// MySQL extension written by Allan Hansen <ahØartemis*dk> //
// Table name mod by Carlo Capocasa <calroØcarlocapocasa*com> //
// MySQL extension was reworked for SQLite3 by //
// Karl G. Holz <newaeonØmac*com> //
// ///
/////////////////////////////////////////////////////////////////
/**
* This is a caching extension for getID3(). It works the exact same
* way as the getID3 class, but return cached information much faster
*
* Normal getID3 usage (example):
*
* require_once 'getid3/getid3.php';
* $getID3 = new getID3;
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
* getID3_cached usage:
*
* require_once 'getid3/getid3.php';
* require_once 'getid3/extension.cache.sqlite3.php';
* // all parameters are optional, defaults are:
* $getID3 = new getID3_cached_sqlite3($table='getid3_cache', $hide=FALSE);
* $getID3->encoding = 'UTF-8';
* $info1 = $getID3->analyze('file1.flac');
* $info2 = $getID3->analyze('file2.wv');
*
*
* Supported Cache Types (this extension)
*
* SQL Databases:
*
* cache_type cache_options
* -------------------------------------------------------------------
* mysql host, database, username, password
*
* sqlite3 table='getid3_cache', hide=false (PHP5)
*
*
* *** database file will be stored in the same directory as this script,
* *** webserver must have write access to that directory!
* *** set $hide to TRUE to prefix db file with .ht to pervent access from web client
* *** this is a default setting in the Apache configuration:
*
* The following lines prevent .htaccess and .htpasswd files from being viewed by Web clients.
*
* <Files ~ "^\.ht">
* Order allow,deny
* Deny from all
* Satisfy all
* </Files>
*
********************************************************************************
*
* -------------------------------------------------------------------
* DBM-Style Databases: (use extension.cache.dbm)
*
* cache_type cache_options
* -------------------------------------------------------------------
* gdbm dbm_filename, lock_filename
* ndbm dbm_filename, lock_filename
* db2 dbm_filename, lock_filename
* db3 dbm_filename, lock_filename
* db4 dbm_filename, lock_filename (PHP5 required)
*
* PHP must have write access to both dbm_filename and lock_filename.
*
* Recommended Cache Types
*
* Infrequent updates, many reads any DBM
* Frequent updates mysql
********************************************************************************
*
* IMHO this is still a bit slow, I'm using this with MP4/MOV/ M4v files
* there is a plan to add directory scanning and analyzing to make things work much faster
*
*
*/
class getID3_cached_sqlite3 extends getID3
{
/**
* hold the sqlite db
*
* @var SQLite3 Resource
*/
private $db;
/**
* table to use for caching
*
* @var string $table
*/
private $table;
/**
* @param string $table holds name of sqlite table
* @param boolean $hide
*
* @throws getid3_exception
* @throws Exception
*/
public function __construct($table='getid3_cache', $hide=false) {
// Check for SQLite3 support
if (!function_exists('sqlite_open')) {
throw new Exception('PHP not compiled with SQLite3 support.');
}
$this->table = $table; // Set table
$file = dirname(__FILE__).'/'.basename(__FILE__, 'php').'sqlite';
if ($hide) {
$file = dirname(__FILE__).'/.ht.'.basename(__FILE__, 'php').'sqlite';
}
$this->db = new SQLite3($file);
$db = $this->db;
$this->create_table(); // Create cache table if not exists
$version = '';
$sql = $this->getQuery('version_check');
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', getID3::VERSION, SQLITE3_TEXT);
$result = $stmt->execute();
list($version) = $result->fetchArray();
if ($version != getID3::VERSION) { // Check version number and clear cache if changed
$this->clear_cache();
}
parent::__construct();
}
/**
* close the database connection
*/
public function __destruct() {
$db=$this->db;
$db->close();
}
/**
* clear the cache
*
* @return SQLite3Result
*/
private function clear_cache() {
$db = $this->db;
$sql = $this->getQuery('delete_cache');
$db->exec($sql);
$sql = $this->getQuery('set_version');
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', getID3::VERSION, SQLITE3_TEXT);
$stmt->bindValue(':dirname', getID3::VERSION, SQLITE3_TEXT);
$stmt->bindValue(':val', getID3::VERSION, SQLITE3_TEXT);
return $stmt->execute();
}
/**
* analyze file and cache them, if cached pull from the db
*
* @param string $filename
* @param integer $filesize
* @param string $original_filename
* @param resource $fp
*
* @return mixed|false
*/
public function analyze($filename, $filesize=null, $original_filename='', $fp=null) {
if (!file_exists($filename)) {
return false;
}
// items to track for caching
$filetime = filemtime($filename);
$filesize_real = filesize($filename);
// this will be saved for a quick directory lookup of analized files
// ... why do 50 seperate sql quries when you can do 1 for the same result
$dirname = dirname($filename);
// Lookup file
$db = $this->db;
$sql = $this->getQuery('get_id3_data');
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', $filename, SQLITE3_TEXT);
$stmt->bindValue(':filesize', $filesize_real, SQLITE3_INTEGER);
$stmt->bindValue(':filetime', $filetime, SQLITE3_INTEGER);
$res = $stmt->execute();
list($result) = $res->fetchArray();
if (count($result) > 0 ) {
return unserialize(base64_decode($result));
}
// if it hasn't been analyzed before, then do it now
$analysis = parent::analyze($filename, $filesize, $original_filename, $fp);
// Save result
$sql = $this->getQuery('cache_file');
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', $filename, SQLITE3_TEXT);
$stmt->bindValue(':dirname', $dirname, SQLITE3_TEXT);
$stmt->bindValue(':filesize', $filesize_real, SQLITE3_INTEGER);
$stmt->bindValue(':filetime', $filetime, SQLITE3_INTEGER);
$stmt->bindValue(':atime', time(), SQLITE3_INTEGER);
$stmt->bindValue(':val', base64_encode(serialize($analysis)), SQLITE3_TEXT);
$res = $stmt->execute();
return $analysis;
}
/**
* create data base table
* this is almost the same as MySQL, with the exception of the dirname being added
*
* @return bool
*/
private function create_table() {
$db = $this->db;
$sql = $this->getQuery('make_table');
return $db->exec($sql);
}
/**
* get cached directory
*
* This function is not in the MySQL extention, it's ment to speed up requesting multiple files
* which is ideal for podcasting, playlists, etc.
*
* @param string $dir directory to search the cache database for
*
* @return array return an array of matching id3 data
*/
public function get_cached_dir($dir) {
$db = $this->db;
$rows = array();
$sql = $this->getQuery('get_cached_dir');
$stmt = $db->prepare($sql);
$stmt->bindValue(':dirname', $dir, SQLITE3_TEXT);
$res = $stmt->execute();
while ($row=$res->fetchArray()) {
$rows[] = unserialize(base64_decode($row));
}
return $rows;
}
/**
* returns NULL if query is not found
*
* @param string $name
*
* @return null|string
*/
public function getQuery($name)
{
switch ($name) {
case 'version_check':
return "SELECT val FROM $this->table WHERE filename = :filename AND filesize = '-1' AND filetime = '-1' AND analyzetime = '-1'";
case 'delete_cache':
return "DELETE FROM $this->table";
case 'set_version':
return "INSERT INTO $this->table (filename, dirname, filesize, filetime, analyzetime, val) VALUES (:filename, :dirname, -1, -1, -1, :val)";
case 'get_id3_data':
return "SELECT val FROM $this->table WHERE filename = :filename AND filesize = :filesize AND filetime = :filetime";
case 'cache_file':
return "INSERT INTO $this->table (filename, dirname, filesize, filetime, analyzetime, val) VALUES (:filename, :dirname, :filesize, :filetime, :atime, :val)";
case 'make_table':
return "CREATE TABLE IF NOT EXISTS $this->table (filename VARCHAR(255) DEFAULT '', dirname VARCHAR(255) DEFAULT '', filesize INT(11) DEFAULT '0', filetime INT(11) DEFAULT '0', analyzetime INT(11) DEFAULT '0', val text, PRIMARY KEY (filename, filesize, filetime))";
case 'get_cached_dir':
return "SELECT val FROM $this->table WHERE dirname = :dirname";
default:
return null;
}
}
/**
* use the magical __get() for sql queries
*
* access as easy as $this->{case name}, returns NULL if query is not found
*
* @param string $name
*
* @return string
* @deprecated use getQuery() instead
*/
public function __get($name) {
return $this->getQuery($name);
}
}

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,52 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.7zip.php //
// module for analyzing 7zip files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_7zip extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$z7header = $this->fread(32);
// https://py7zr.readthedocs.io/en/latest/archive_format.html
$info['7zip']['header']['magic'] = substr($z7header, 0, 6);
if ($info['7zip']['header']['magic'] != '7z'."\xBC\xAF\x27\x1C") {
$this->error('Invalid 7zip stream header magic (expecting 37 7A BC AF 27 1C, found '.getid3_lib::PrintHexBytes($info['7zip']['header']['magic']).') at offset '.$info['avdataoffset']);
return false;
}
$info['fileformat'] = '7zip';
$info['7zip']['header']['version_major'] = getid3_lib::LittleEndian2Int(substr($z7header, 6, 1)); // always 0x00 (?)
$info['7zip']['header']['version_minor'] = getid3_lib::LittleEndian2Int(substr($z7header, 7, 1)); // always 0x04 (?)
$info['7zip']['header']['start_header_crc'] = getid3_lib::LittleEndian2Int(substr($z7header, 8, 4));
$info['7zip']['header']['next_header_offset'] = getid3_lib::LittleEndian2Int(substr($z7header, 12, 8));
$info['7zip']['header']['next_header_size'] = getid3_lib::LittleEndian2Int(substr($z7header, 20, 8));
$info['7zip']['header']['next_header_crc'] = getid3_lib::LittleEndian2Int(substr($z7header, 28, 4));
$this->error('7zip parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
}

View File

@ -0,0 +1,307 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.gzip.php //
// module for analyzing GZIP files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
// //
// Module originally written by //
// Mike Mozolin <teddybearØmail*ru> //
// //
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_gzip extends getid3_handler
{
/**
* Optional file list - disable for speed.
* Decode gzipped files, if possible, and parse recursively (.tar.gz for example).
*
* @var bool
*/
public $parse_contents = false;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'gzip';
$start_length = 10;
$unpack_header = 'a1id1/a1id2/a1cmethod/a1flags/a4mtime/a1xflags/a1os';
//+---+---+---+---+---+---+---+---+---+---+
//|ID1|ID2|CM |FLG| MTIME |XFL|OS |
//+---+---+---+---+---+---+---+---+---+---+
if ($info['php_memory_limit'] && ($info['filesize'] > $info['php_memory_limit'])) {
$this->error('File is too large ('.number_format($info['filesize']).' bytes) to read into memory (limit: '.number_format($info['php_memory_limit'] / 1048576).'MB)');
return false;
}
$this->fseek(0);
$buffer = $this->fread($info['filesize']);
$arr_members = explode("\x1F\x8B\x08", $buffer);
$num_members = 0;
while (true) {
$is_wrong_members = false;
$num_members = count($arr_members);
for ($i = 0; $i < $num_members; $i++) {
if (strlen($arr_members[$i]) == 0) {
continue;
}
$buf = "\x1F\x8B\x08".$arr_members[$i];
$attr = unpack($unpack_header, substr($buf, 0, $start_length));
if (!$this->get_os_type(ord($attr['os']))) {
// Merge member with previous if wrong OS type
$arr_members[($i - 1)] .= $buf;
$arr_members[$i] = '';
$is_wrong_members = true;
continue;
}
}
if (!$is_wrong_members) {
break;
}
}
$info['gzip']['files'] = array();
$fpointer = 0;
$idx = 0;
foreach ($arr_members as $member) {
if (strlen($member) == 0) {
continue;
}
$thisInfo = &$info['gzip']['member_header'][++$idx];
$buff = "\x1F\x8B\x08". $member;
$attr = unpack($unpack_header, substr($buff, 0, $start_length));
$thisInfo['filemtime'] = getid3_lib::LittleEndian2Int($attr['mtime']);
$thisInfo['raw']['id1'] = ord($attr['cmethod']);
$thisInfo['raw']['id2'] = ord($attr['cmethod']);
$thisInfo['raw']['cmethod'] = ord($attr['cmethod']);
$thisInfo['raw']['os'] = ord($attr['os']);
$thisInfo['raw']['xflags'] = ord($attr['xflags']);
$thisInfo['raw']['flags'] = ord($attr['flags']);
$thisInfo['flags']['crc16'] = (bool) ($thisInfo['raw']['flags'] & 0x02);
$thisInfo['flags']['extra'] = (bool) ($thisInfo['raw']['flags'] & 0x04);
$thisInfo['flags']['filename'] = (bool) ($thisInfo['raw']['flags'] & 0x08);
$thisInfo['flags']['comment'] = (bool) ($thisInfo['raw']['flags'] & 0x10);
$thisInfo['compression'] = $this->get_xflag_type($thisInfo['raw']['xflags']);
$thisInfo['os'] = $this->get_os_type($thisInfo['raw']['os']);
if (!$thisInfo['os']) {
$this->error('Read error on gzip file');
return false;
}
$fpointer = 10;
$arr_xsubfield = array();
// bit 2 - FLG.FEXTRA
//+---+---+=================================+
//| XLEN |...XLEN bytes of "extra field"...|
//+---+---+=================================+
if ($thisInfo['flags']['extra']) {
$w_xlen = substr($buff, $fpointer, 2);
$xlen = getid3_lib::LittleEndian2Int($w_xlen);
$fpointer += 2;
$thisInfo['raw']['xfield'] = substr($buff, $fpointer, $xlen);
// Extra SubFields
//+---+---+---+---+==================================+
//|SI1|SI2| LEN |... LEN bytes of subfield data ...|
//+---+---+---+---+==================================+
$idx = 0;
while (true) {
if ($idx >= $xlen) {
break;
}
$si1 = ord(substr($buff, $fpointer + $idx++, 1));
$si2 = ord(substr($buff, $fpointer + $idx++, 1));
if (($si1 == 0x41) && ($si2 == 0x70)) {
$w_xsublen = substr($buff, $fpointer + $idx, 2);
$xsublen = getid3_lib::LittleEndian2Int($w_xsublen);
$idx += 2;
$arr_xsubfield[] = substr($buff, $fpointer + $idx, $xsublen);
$idx += $xsublen;
} else {
break;
}
}
$fpointer += $xlen;
}
// bit 3 - FLG.FNAME
//+=========================================+
//|...original file name, zero-terminated...|
//+=========================================+
// GZIP files may have only one file, with no filename, so assume original filename is current filename without .gz
$thisInfo['filename'] = preg_replace('#\\.gz$#i', '', $info['filename']);
if ($thisInfo['flags']['filename']) {
$thisInfo['filename'] = '';
while (true) {
if (ord($buff[$fpointer]) == 0) {
$fpointer++;
break;
}
$thisInfo['filename'] .= $buff[$fpointer];
$fpointer++;
}
}
// bit 4 - FLG.FCOMMENT
//+===================================+
//|...file comment, zero-terminated...|
//+===================================+
if ($thisInfo['flags']['comment']) {
while (true) {
if (ord($buff[$fpointer]) == 0) {
$fpointer++;
break;
}
$thisInfo['comment'] .= $buff[$fpointer];
$fpointer++;
}
}
// bit 1 - FLG.FHCRC
//+---+---+
//| CRC16 |
//+---+---+
if ($thisInfo['flags']['crc16']) {
$w_crc = substr($buff, $fpointer, 2);
$thisInfo['crc16'] = getid3_lib::LittleEndian2Int($w_crc);
$fpointer += 2;
}
// bit 0 - FLG.FTEXT
//if ($thisInfo['raw']['flags'] & 0x01) {
// Ignored...
//}
// bits 5, 6, 7 - reserved
$thisInfo['crc32'] = getid3_lib::LittleEndian2Int(substr($buff, strlen($buff) - 8, 4));
$thisInfo['filesize'] = getid3_lib::LittleEndian2Int(substr($buff, strlen($buff) - 4));
$info['gzip']['files'] = getid3_lib::array_merge_clobber($info['gzip']['files'], getid3_lib::CreateDeepArray($thisInfo['filename'], '/', $thisInfo['filesize']));
if ($this->parse_contents) {
// Try to inflate GZip
$csize = 0;
$inflated = '';
$chkcrc32 = '';
if (function_exists('gzinflate')) {
$cdata = substr($buff, $fpointer);
$cdata = substr($cdata, 0, strlen($cdata) - 8);
$csize = strlen($cdata);
$inflated = gzinflate($cdata);
// Calculate CRC32 for inflated content
$thisInfo['crc32_valid'] = sprintf('%u', crc32($inflated)) == $thisInfo['crc32'];
// determine format
$formattest = substr($inflated, 0, 32774);
$getid3_temp = new getID3();
$determined_format = $getid3_temp->GetFileFormat($formattest);
unset($getid3_temp);
// file format is determined
$determined_format['module'] = (isset($determined_format['module']) ? $determined_format['module'] : '');
switch ($determined_format['module']) {
case 'tar':
// view TAR-file info
if (file_exists(GETID3_INCLUDEPATH.$determined_format['include']) && include_once(GETID3_INCLUDEPATH.$determined_format['include'])) {
if (($temp_tar_filename = tempnam(GETID3_TEMP_DIR, 'getID3')) === false) {
// can't find anywhere to create a temp file, abort
$this->error('Unable to create temp file to parse TAR inside GZIP file');
break;
}
if ($fp_temp_tar = fopen($temp_tar_filename, 'w+b')) {
fwrite($fp_temp_tar, $inflated);
fclose($fp_temp_tar);
$getid3_temp = new getID3();
$getid3_temp->openfile($temp_tar_filename);
$getid3_tar = new getid3_tar($getid3_temp);
$getid3_tar->Analyze();
$info['gzip']['member_header'][$idx]['tar'] = $getid3_temp->info['tar'];
unset($getid3_temp, $getid3_tar);
unlink($temp_tar_filename);
} else {
$this->error('Unable to fopen() temp file to parse TAR inside GZIP file');
break;
}
}
break;
case '':
default:
// unknown or unhandled format
break;
}
} else {
$this->warning('PHP is not compiled with gzinflate() support. Please enable PHP Zlib extension or recompile with the --with-zlib switch');
}
}
}
return true;
}
/**
* Converts the OS type.
*
* @param string $key
*
* @return string
*/
public function get_os_type($key) {
static $os_type = array(
'0' => 'FAT filesystem (MS-DOS, OS/2, NT/Win32)',
'1' => 'Amiga',
'2' => 'VMS (or OpenVMS)',
'3' => 'Unix',
'4' => 'VM/CMS',
'5' => 'Atari TOS',
'6' => 'HPFS filesystem (OS/2, NT)',
'7' => 'Macintosh',
'8' => 'Z-System',
'9' => 'CP/M',
'10' => 'TOPS-20',
'11' => 'NTFS filesystem (NT)',
'12' => 'QDOS',
'13' => 'Acorn RISCOS',
'255' => 'unknown'
);
return (isset($os_type[$key]) ? $os_type[$key] : '');
}
/**
* Converts the eXtra FLags.
*
* @param string $key
*
* @return string
*/
public function get_xflag_type($key) {
static $xflag_type = array(
'0' => 'unknown',
'2' => 'maximum compression',
'4' => 'fastest algorithm'
);
return (isset($xflag_type[$key]) ? $xflag_type[$key] : '');
}
}

View File

@ -0,0 +1,92 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.hpk.php //
// module for analyzing HPK files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_hpk extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'hpk';
$this->fseek($info['avdataoffset']);
$HPKheader = $this->fread(36);
if (substr($HPKheader, 0, 4) == 'BPUL') {
$info['hpk']['header']['signature'] = substr($HPKheader, 0, 4);
$info['hpk']['header']['data_offset'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 4, 4));
$info['hpk']['header']['fragments_per_file'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 8, 4));
//$info['hpk']['header']['unknown1'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 12, 4));
$info['hpk']['header']['fragments_residual_offset'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 16, 4));
$info['hpk']['header']['fragments_residual_count'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 20, 4));
//$info['hpk']['header']['unknown2'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 24, 4));
$info['hpk']['header']['fragmented_filesystem_offset'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 28, 4));
$info['hpk']['header']['fragmented_filesystem_length'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 32, 4));
$info['hpk']['header']['filesystem_entries'] = getid3_lib::SafeDiv($info['hpk']['header']['fragmented_filesystem_length'], $info['hpk']['header']['fragments_per_file'] * 8);
$this->fseek($info['hpk']['header']['fragmented_filesystem_offset']);
for ($i = 0; $i < $info['hpk']['header']['filesystem_entries']; $i++) {
$offset = getid3_lib::LittleEndian2Int($this->fread(4));
$length = getid3_lib::LittleEndian2Int($this->fread(4));
$info['hpk']['filesystem'][$i] = array('offset' => $offset, 'length' => $length);
}
$this->error('HPK parsing incomplete (and mostly broken) in this version of getID3() ['.$this->getid3->version().']');
/*
$filename = '';
$dirs = array();
foreach ($info['hpk']['filesystem'] as $key => $filesystemdata) {
$this->fseek($filesystemdata['offset']);
$first4 = $this->fread(4);
if (($first4 == 'LZ4 ') || ($first4 == 'ZLIB')) {
// actual data, ignore
$info['hpk']['toc'][$key] = array(
'filename' => ltrim(implode('/', $dirs).'/'.$filename, '/'),
'offset' => $filesystemdata['offset'],
'length' => $filesystemdata['length'],
);
$filename = '';
$dirs = array();
} else {
$fragment_index = getid3_lib::LittleEndian2Int($first4);
$fragment_type = getid3_lib::LittleEndian2Int($this->fread(4)); // file = 0, directory = 1
$name_length = getid3_lib::LittleEndian2Int($this->fread(2));
if ($fragment_type == 1) {
$dirs[] = $this->fread($name_length);
} else {
$filename = $this->fread($name_length);
}
}
}
*/
} else {
$this->error('Expecting "BPUL" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($HPKheader, 0, 4)).'"');
return false;
}
return true;
}
}

View File

@ -0,0 +1,61 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.rar.php //
// module for analyzing RAR files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_rar extends getid3_handler
{
/**
* if true use PHP RarArchive extension, if false (non-extension parsing not yet written in getID3)
*
* @var bool
*/
public $use_php_rar_extension = true;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'rar';
if ($this->use_php_rar_extension === true) {
if (function_exists('rar_open')) {
if ($rp = rar_open($info['filenamepath'])) {
$info['rar']['files'] = array();
$entries = rar_list($rp);
foreach ($entries as $entry) {
$info['rar']['files'] = getid3_lib::array_merge_clobber($info['rar']['files'], getid3_lib::CreateDeepArray($entry->getName(), '/', $entry->getUnpackedSize()));
}
rar_close($rp);
return true;
} else {
$this->error('failed to rar_open('.$info['filename'].')');
}
} else {
$this->error('RAR support does not appear to be available in this PHP installation');
}
} else {
$this->error('PHP-RAR processing has been disabled (set $getid3_rar->use_php_rar_extension=true to enable)');
}
return false;
}
}

View File

@ -0,0 +1,102 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.szip.php //
// module for analyzing SZIP compressed files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_szip extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$SZIPHeader = $this->fread(6);
if (substr($SZIPHeader, 0, 4) != "SZ\x0A\x04") {
$this->error('Expecting "53 5A 0A 04" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($SZIPHeader, 0, 4)).'"');
return false;
}
$info['fileformat'] = 'szip';
$info['szip']['major_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 4, 1));
$info['szip']['minor_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 5, 1));
$this->error('SZIP parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
while (!$this->feof()) {
$NextBlockID = $this->fread(2);
switch ($NextBlockID) {
case 'SZ':
// Note that szip files can be concatenated, this has the same effect as
// concatenating the files. this also means that global header blocks
// might be present between directory/data blocks.
$this->fseek(4, SEEK_CUR);
break;
case 'BH':
$BHheaderbytes = getid3_lib::BigEndian2Int($this->fread(3));
$BHheaderdata = $this->fread($BHheaderbytes);
$BHheaderoffset = 0;
while (strpos($BHheaderdata, "\x00", $BHheaderoffset) > 0) {
//filename as \0 terminated string (empty string indicates end)
//owner as \0 terminated string (empty is same as last file)
//group as \0 terminated string (empty is same as last file)
//3 byte filelength in this block
//2 byte access flags
//4 byte creation time (like in unix)
//4 byte modification time (like in unix)
//4 byte access time (like in unix)
$BHdataArray['filename'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
$BHheaderoffset += (strlen($BHdataArray['filename']) + 1);
$BHdataArray['owner'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
$BHheaderoffset += (strlen($BHdataArray['owner']) + 1);
$BHdataArray['group'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
$BHheaderoffset += (strlen($BHdataArray['group']) + 1);
$BHdataArray['filelength'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 3));
$BHheaderoffset += 3;
$BHdataArray['access_flags'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 2));
$BHheaderoffset += 2;
$BHdataArray['creation_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
$BHheaderoffset += 4;
$BHdataArray['modification_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
$BHheaderoffset += 4;
$BHdataArray['access_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
$BHheaderoffset += 4;
$info['szip']['BH'][] = $BHdataArray;
}
break;
default:
break 2;
}
}
return true;
}
}

View File

@ -0,0 +1,197 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.tar.php //
// module for analyzing TAR files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
// //
// Module originally written by //
// Mike Mozolin <teddybearØmail*ru> //
// //
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_tar extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'tar';
$info['tar']['files'] = array();
$unpack_header = 'a100fname/a8mode/a8uid/a8gid/a12size/a12mtime/a8chksum/a1typflag/a100lnkname/a6magic/a2ver/a32uname/a32gname/a8devmaj/a8devmin/a155prefix';
$null_512k = str_repeat("\x00", 512); // end-of-file marker
$this->fseek(0);
while (!feof($this->getid3->fp)) {
$buffer = $this->fread(512);
if (strlen($buffer) < 512) {
break;
}
// check the block
$checksum = 0;
for ($i = 0; $i < 148; $i++) {
$checksum += ord($buffer[$i]);
}
for ($i = 148; $i < 156; $i++) {
$checksum += ord(' ');
}
for ($i = 156; $i < 512; $i++) {
$checksum += ord($buffer[$i]);
}
$attr = unpack($unpack_header, $buffer);
$name = (isset($attr['fname'] ) ? trim($attr['fname'] ) : '');
$mode = octdec(isset($attr['mode'] ) ? trim($attr['mode'] ) : '');
$uid = octdec(isset($attr['uid'] ) ? trim($attr['uid'] ) : '');
$gid = octdec(isset($attr['gid'] ) ? trim($attr['gid'] ) : '');
$size = octdec(isset($attr['size'] ) ? trim($attr['size'] ) : '');
$mtime = octdec(isset($attr['mtime'] ) ? trim($attr['mtime'] ) : '');
$chksum = octdec(isset($attr['chksum'] ) ? trim($attr['chksum'] ) : '');
$typflag = (isset($attr['typflag']) ? trim($attr['typflag']) : '');
$lnkname = (isset($attr['lnkname']) ? trim($attr['lnkname']) : '');
$magic = (isset($attr['magic'] ) ? trim($attr['magic'] ) : '');
$ver = (isset($attr['ver'] ) ? trim($attr['ver'] ) : '');
$uname = (isset($attr['uname'] ) ? trim($attr['uname'] ) : '');
$gname = (isset($attr['gname'] ) ? trim($attr['gname'] ) : '');
$devmaj = octdec(isset($attr['devmaj'] ) ? trim($attr['devmaj'] ) : '');
$devmin = octdec(isset($attr['devmin'] ) ? trim($attr['devmin'] ) : '');
$prefix = (isset($attr['prefix'] ) ? trim($attr['prefix'] ) : '');
if (($checksum == 256) && ($chksum == 0)) {
// EOF Found
break;
}
if ($prefix) {
$name = $prefix.'/'.$name;
}
if ((preg_match('#/$#', $name)) && !$name) {
$typeflag = 5;
}
if ($buffer == $null_512k) {
// it's the end of the tar-file...
break;
}
// Read to the next chunk
$this->fseek($size, SEEK_CUR);
$diff = $size % 512;
if ($diff != 0) {
// Padding, throw away
$this->fseek((512 - $diff), SEEK_CUR);
}
// Protect against tar-files with garbage at the end
if ($name == '') {
break;
}
$info['tar']['file_details'][$name] = array (
'name' => $name,
'mode_raw' => $mode,
'mode' => self::display_perms($mode),
'uid' => $uid,
'gid' => $gid,
'size' => $size,
'mtime' => $mtime,
'chksum' => $chksum,
'typeflag' => self::get_flag_type($typflag),
'linkname' => $lnkname,
'magic' => $magic,
'version' => $ver,
'uname' => $uname,
'gname' => $gname,
'devmajor' => $devmaj,
'devminor' => $devmin
);
$info['tar']['files'] = getid3_lib::array_merge_clobber($info['tar']['files'], getid3_lib::CreateDeepArray($info['tar']['file_details'][$name]['name'], '/', $size));
}
return true;
}
/**
* Parses the file mode to file permissions.
*
* @param int $mode
*
* @return string
*/
public function display_perms($mode) {
// Determine Type
if ($mode & 0x1000) $type='p'; // FIFO pipe
elseif ($mode & 0x2000) $type='c'; // Character special
elseif ($mode & 0x4000) $type='d'; // Directory
elseif ($mode & 0x6000) $type='b'; // Block special
elseif ($mode & 0x8000) $type='-'; // Regular
elseif ($mode & 0xA000) $type='l'; // Symbolic Link
elseif ($mode & 0xC000) $type='s'; // Socket
else $type='u'; // UNKNOWN
// Determine permissions
$owner = array();
$group = array();
$world = array();
$owner['read'] = (($mode & 00400) ? 'r' : '-');
$owner['write'] = (($mode & 00200) ? 'w' : '-');
$owner['execute'] = (($mode & 00100) ? 'x' : '-');
$group['read'] = (($mode & 00040) ? 'r' : '-');
$group['write'] = (($mode & 00020) ? 'w' : '-');
$group['execute'] = (($mode & 00010) ? 'x' : '-');
$world['read'] = (($mode & 00004) ? 'r' : '-');
$world['write'] = (($mode & 00002) ? 'w' : '-');
$world['execute'] = (($mode & 00001) ? 'x' : '-');
// Adjust for SUID, SGID and sticky bit
if ($mode & 0x800) $owner['execute'] = ($owner['execute'] == 'x') ? 's' : 'S';
if ($mode & 0x400) $group['execute'] = ($group['execute'] == 'x') ? 's' : 'S';
if ($mode & 0x200) $world['execute'] = ($world['execute'] == 'x') ? 't' : 'T';
$s = sprintf('%1s', $type);
$s .= sprintf('%1s%1s%1s', $owner['read'], $owner['write'], $owner['execute']);
$s .= sprintf('%1s%1s%1s', $group['read'], $group['write'], $group['execute']);
$s .= sprintf('%1s%1s%1s'."\n", $world['read'], $world['write'], $world['execute']);
return $s;
}
/**
* Converts the file type.
*
* @param string $typflag
*
* @return mixed|string
*/
public function get_flag_type($typflag) {
static $flag_types = array(
'0' => 'LF_NORMAL',
'1' => 'LF_LINK',
'2' => 'LF_SYNLINK',
'3' => 'LF_CHR',
'4' => 'LF_BLK',
'5' => 'LF_DIR',
'6' => 'LF_FIFO',
'7' => 'LF_CONFIG',
'D' => 'LF_DUMPDIR',
'K' => 'LF_LONGLINK',
'L' => 'LF_LONGNAME',
'M' => 'LF_MULTIVOL',
'N' => 'LF_NAMES',
'S' => 'LF_SPARSE',
'V' => 'LF_VOLHDR'
);
return (isset($flag_types[$typflag]) ? $flag_types[$typflag] : '');
}
}

View File

@ -0,0 +1,44 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.xz.php //
// module for analyzing XZ files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_xz extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$xzheader = $this->fread(6);
// https://tukaani.org/xz/xz-file-format-1.0.4.txt
$info['xz']['stream_header']['magic'] = substr($xzheader, 0, 6);
if ($info['xz']['stream_header']['magic'] != "\xFD".'7zXZ'."\x00") {
$this->error('Invalid XZ stream header magic (expecting FD 37 7A 58 5A 00, found '.getid3_lib::PrintHexBytes($info['xz']['stream_header']['magic']).') at offset '.$info['avdataoffset']);
return false;
}
$info['fileformat'] = 'xz';
$this->error('XZ parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
}

View File

@ -0,0 +1,573 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.zip.php //
// module for analyzing pkZip files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_zip extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'zip';
$info['zip']['encoding'] = 'ISO-8859-1';
$info['zip']['files'] = array();
$info['zip']['compressed_size'] = 0;
$info['zip']['uncompressed_size'] = 0;
$info['zip']['entries_count'] = 0;
if (!getid3_lib::intValueSupported($info['filesize'])) {
$this->error('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB, not supported by PHP');
return false;
} else {
$EOCDsearchData = '';
$EOCDsearchCounter = 0;
while ($EOCDsearchCounter++ < 512) {
$this->fseek(-128 * $EOCDsearchCounter, SEEK_END);
$EOCDsearchData = $this->fread(128).$EOCDsearchData;
if (strstr($EOCDsearchData, 'PK'."\x05\x06")) {
$EOCDposition = strpos($EOCDsearchData, 'PK'."\x05\x06");
$this->fseek((-128 * $EOCDsearchCounter) + $EOCDposition, SEEK_END);
$info['zip']['end_central_directory'] = $this->ZIPparseEndOfCentralDirectory();
$this->fseek($info['zip']['end_central_directory']['directory_offset']);
$info['zip']['entries_count'] = 0;
while ($centraldirectoryentry = $this->ZIPparseCentralDirectory()) {
$info['zip']['central_directory'][] = $centraldirectoryentry;
$info['zip']['entries_count']++;
$info['zip']['compressed_size'] += $centraldirectoryentry['compressed_size'];
$info['zip']['uncompressed_size'] += $centraldirectoryentry['uncompressed_size'];
//if ($centraldirectoryentry['uncompressed_size'] > 0) { zero-byte files are valid
if (!empty($centraldirectoryentry['filename'])) {
$info['zip']['files'] = getid3_lib::array_merge_clobber($info['zip']['files'], getid3_lib::CreateDeepArray($centraldirectoryentry['filename'], '/', $centraldirectoryentry['uncompressed_size']));
}
}
if ($info['zip']['entries_count'] == 0) {
$this->error('No Central Directory entries found (truncated file?)');
return false;
}
if (!empty($info['zip']['end_central_directory']['comment'])) {
$info['zip']['comments']['comment'][] = $info['zip']['end_central_directory']['comment'];
}
if (isset($info['zip']['central_directory'][0]['compression_method'])) {
$info['zip']['compression_method'] = $info['zip']['central_directory'][0]['compression_method'];
}
if (isset($info['zip']['central_directory'][0]['flags']['compression_speed'])) {
$info['zip']['compression_speed'] = $info['zip']['central_directory'][0]['flags']['compression_speed'];
}
if (isset($info['zip']['compression_method']) && ($info['zip']['compression_method'] == 'store') && !isset($info['zip']['compression_speed'])) {
$info['zip']['compression_speed'] = 'store';
}
// secondary check - we (should) already have all the info we NEED from the Central Directory above, but scanning each
// Local File Header entry will
foreach ($info['zip']['central_directory'] as $central_directory_entry) {
$this->fseek($central_directory_entry['entry_offset']);
if ($fileentry = $this->ZIPparseLocalFileHeader()) {
$info['zip']['entries'][] = $fileentry;
} else {
$this->warning('Error parsing Local File Header at offset '.$central_directory_entry['entry_offset']);
}
}
// check for EPUB files
if (!empty($info['zip']['entries'][0]['filename']) &&
($info['zip']['entries'][0]['filename'] == 'mimetype') &&
($info['zip']['entries'][0]['compression_method'] == 'store') &&
($info['zip']['entries'][0]['uncompressed_size'] == 20) &&
isset($info['zip']['entries'][0]['data_offset'])) {
// http://idpf.org/epub/30/spec/epub30-ocf.html
// "3.3 OCF ZIP Container Media Type Identification
// OCF ZIP Containers must include a mimetype file as the first file in the Container, and the contents of this file must be the MIME type string application/epub+zip.
// The contents of the mimetype file must not contain any leading padding or whitespace, must not begin with the Unicode signature (or Byte Order Mark),
// and the case of the MIME type string must be exactly as presented above. The mimetype file additionally must be neither compressed nor encrypted,
// and there must not be an extra field in its ZIP header."
$this->fseek($info['zip']['entries'][0]['data_offset']);
if ($this->fread(20) == 'application/epub+zip') {
$info['fileformat'] = 'zip.epub';
$info['mime_type'] = 'application/epub+zip';
}
}
// check for Office Open XML files (e.g. .docx, .xlsx)
if (!empty($info['zip']['files']['[Content_Types].xml']) &&
!empty($info['zip']['files']['_rels']['.rels']) &&
!empty($info['zip']['files']['docProps']['app.xml']) &&
!empty($info['zip']['files']['docProps']['core.xml'])) {
// http://technet.microsoft.com/en-us/library/cc179224.aspx
$info['fileformat'] = 'zip.msoffice';
if (!empty($info['zip']['files']['ppt'])) {
$info['mime_type'] = 'application/vnd.openxmlformats-officedocument.presentationml.presentation';
} elseif (!empty($info['zip']['files']['xl'])) {
$info['mime_type'] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
} elseif (!empty($info['zip']['files']['word'])) {
$info['mime_type'] = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
}
}
return true;
}
}
}
if (!$this->getZIPentriesFilepointer()) {
unset($info['zip']);
$info['fileformat'] = '';
$this->error('Cannot find End Of Central Directory (truncated file?)');
return false;
}
// central directory couldn't be found and/or parsed
// scan through actual file data entries, recover as much as possible from probable trucated file
if ($info['zip']['compressed_size'] > ($info['filesize'] - 46 - 22)) {
$this->error('Warning: Truncated file! - Total compressed file sizes ('.$info['zip']['compressed_size'].' bytes) is greater than filesize minus Central Directory and End Of Central Directory structures ('.($info['filesize'] - 46 - 22).' bytes)');
}
$this->error('Cannot find End Of Central Directory - returned list of files in [zip][entries] array may not be complete');
foreach ($info['zip']['entries'] as $key => $valuearray) {
$info['zip']['files'][$valuearray['filename']] = $valuearray['uncompressed_size'];
}
return true;
}
/**
* @return bool
*/
public function getZIPHeaderFilepointerTopDown() {
$info = &$this->getid3->info;
$info['fileformat'] = 'zip';
$info['zip']['compressed_size'] = 0;
$info['zip']['uncompressed_size'] = 0;
$info['zip']['entries_count'] = 0;
rewind($this->getid3->fp);
while ($fileentry = $this->ZIPparseLocalFileHeader()) {
$info['zip']['entries'][] = $fileentry;
$info['zip']['entries_count']++;
}
if ($info['zip']['entries_count'] == 0) {
$this->error('No Local File Header entries found');
return false;
}
$info['zip']['entries_count'] = 0;
while ($centraldirectoryentry = $this->ZIPparseCentralDirectory()) {
$info['zip']['central_directory'][] = $centraldirectoryentry;
$info['zip']['entries_count']++;
$info['zip']['compressed_size'] += $centraldirectoryentry['compressed_size'];
$info['zip']['uncompressed_size'] += $centraldirectoryentry['uncompressed_size'];
}
if ($info['zip']['entries_count'] == 0) {
$this->error('No Central Directory entries found (truncated file?)');
return false;
}
if ($EOCD = $this->ZIPparseEndOfCentralDirectory()) {
$info['zip']['end_central_directory'] = $EOCD;
} else {
$this->error('No End Of Central Directory entry found (truncated file?)');
return false;
}
if (!empty($info['zip']['end_central_directory']['comment'])) {
$info['zip']['comments']['comment'][] = $info['zip']['end_central_directory']['comment'];
}
return true;
}
/**
* @return bool
*/
public function getZIPentriesFilepointer() {
$info = &$this->getid3->info;
$info['zip']['compressed_size'] = 0;
$info['zip']['uncompressed_size'] = 0;
$info['zip']['entries_count'] = 0;
rewind($this->getid3->fp);
while ($fileentry = $this->ZIPparseLocalFileHeader()) {
$info['zip']['entries'][] = $fileentry;
$info['zip']['entries_count']++;
$info['zip']['compressed_size'] += $fileentry['compressed_size'];
$info['zip']['uncompressed_size'] += $fileentry['uncompressed_size'];
}
if ($info['zip']['entries_count'] == 0) {
$this->error('No Local File Header entries found');
return false;
}
return true;
}
/**
* @return array|false
*/
public function ZIPparseLocalFileHeader() {
$LocalFileHeader = array();
$LocalFileHeader['offset'] = $this->ftell();
$ZIPlocalFileHeader = $this->fread(30);
$LocalFileHeader['raw']['signature'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 0, 4));
if ($LocalFileHeader['raw']['signature'] != 0x04034B50) { // "PK\x03\x04"
// invalid Local File Header Signature
$this->fseek($LocalFileHeader['offset']); // seek back to where filepointer originally was so it can be handled properly
return false;
}
$LocalFileHeader['raw']['extract_version'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 4, 2));
$LocalFileHeader['raw']['general_flags'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 6, 2));
$LocalFileHeader['raw']['compression_method'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 8, 2));
$LocalFileHeader['raw']['last_mod_file_time'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 10, 2));
$LocalFileHeader['raw']['last_mod_file_date'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 12, 2));
$LocalFileHeader['raw']['crc_32'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 14, 4));
$LocalFileHeader['raw']['compressed_size'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 18, 4));
$LocalFileHeader['raw']['uncompressed_size'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 22, 4));
$LocalFileHeader['raw']['filename_length'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 26, 2));
$LocalFileHeader['raw']['extra_field_length'] = getid3_lib::LittleEndian2Int(substr($ZIPlocalFileHeader, 28, 2));
$LocalFileHeader['extract_version'] = sprintf('%1.1f', $LocalFileHeader['raw']['extract_version'] / 10);
$LocalFileHeader['host_os'] = $this->ZIPversionOSLookup(($LocalFileHeader['raw']['extract_version'] & 0xFF00) >> 8);
$LocalFileHeader['compression_method'] = $this->ZIPcompressionMethodLookup($LocalFileHeader['raw']['compression_method']);
$LocalFileHeader['compressed_size'] = $LocalFileHeader['raw']['compressed_size'];
$LocalFileHeader['uncompressed_size'] = $LocalFileHeader['raw']['uncompressed_size'];
$LocalFileHeader['flags'] = $this->ZIPparseGeneralPurposeFlags($LocalFileHeader['raw']['general_flags'], $LocalFileHeader['raw']['compression_method']);
$LocalFileHeader['last_modified_timestamp'] = $this->DOStime2UNIXtime($LocalFileHeader['raw']['last_mod_file_date'], $LocalFileHeader['raw']['last_mod_file_time']);
$FilenameExtrafieldLength = $LocalFileHeader['raw']['filename_length'] + $LocalFileHeader['raw']['extra_field_length'];
if ($FilenameExtrafieldLength > 0) {
$ZIPlocalFileHeader .= $this->fread($FilenameExtrafieldLength);
if ($LocalFileHeader['raw']['filename_length'] > 0) {
$LocalFileHeader['filename'] = substr($ZIPlocalFileHeader, 30, $LocalFileHeader['raw']['filename_length']);
}
if ($LocalFileHeader['raw']['extra_field_length'] > 0) {
$LocalFileHeader['raw']['extra_field_data'] = substr($ZIPlocalFileHeader, 30 + $LocalFileHeader['raw']['filename_length'], $LocalFileHeader['raw']['extra_field_length']);
}
}
if ($LocalFileHeader['compressed_size'] == 0) {
// *Could* be a zero-byte file
// But could also be a file written on the fly that didn't know compressed filesize beforehand.
// Correct compressed filesize should be in the data_descriptor located after this file data, and also in Central Directory (at end of zip file)
if (!empty($this->getid3->info['zip']['central_directory'])) {
foreach ($this->getid3->info['zip']['central_directory'] as $central_directory_entry) {
if ($central_directory_entry['entry_offset'] == $LocalFileHeader['offset']) {
if ($central_directory_entry['compressed_size'] > 0) {
// overwrite local zero value (but not ['raw']'compressed_size']) so that seeking for data_descriptor (and next file entry) works correctly
$LocalFileHeader['compressed_size'] = $central_directory_entry['compressed_size'];
}
break;
}
}
}
}
$LocalFileHeader['data_offset'] = $this->ftell();
$this->fseek($LocalFileHeader['compressed_size'], SEEK_CUR); // this should (but may not) match value in $LocalFileHeader['raw']['compressed_size'] -- $LocalFileHeader['compressed_size'] could have been overwritten above with value from Central Directory
if ($LocalFileHeader['flags']['data_descriptor_used']) {
$DataDescriptor = $this->fread(16);
$LocalFileHeader['data_descriptor']['signature'] = getid3_lib::LittleEndian2Int(substr($DataDescriptor, 0, 4));
if ($LocalFileHeader['data_descriptor']['signature'] != 0x08074B50) { // "PK\x07\x08"
$this->getid3->warning('invalid Local File Header Data Descriptor Signature at offset '.($this->ftell() - 16).' - expecting 08 07 4B 50, found '.getid3_lib::PrintHexBytes(substr($DataDescriptor, 0, 4)));
$this->fseek($LocalFileHeader['offset']); // seek back to where filepointer originally was so it can be handled properly
return false;
}
$LocalFileHeader['data_descriptor']['crc_32'] = getid3_lib::LittleEndian2Int(substr($DataDescriptor, 4, 4));
$LocalFileHeader['data_descriptor']['compressed_size'] = getid3_lib::LittleEndian2Int(substr($DataDescriptor, 8, 4));
$LocalFileHeader['data_descriptor']['uncompressed_size'] = getid3_lib::LittleEndian2Int(substr($DataDescriptor, 12, 4));
if (!$LocalFileHeader['raw']['compressed_size'] && $LocalFileHeader['data_descriptor']['compressed_size']) {
foreach ($this->getid3->info['zip']['central_directory'] as $central_directory_entry) {
if ($central_directory_entry['entry_offset'] == $LocalFileHeader['offset']) {
if ($LocalFileHeader['data_descriptor']['compressed_size'] == $central_directory_entry['compressed_size']) {
// $LocalFileHeader['compressed_size'] already set from Central Directory
} else {
$this->warning('conflicting compressed_size from data_descriptor ('.$LocalFileHeader['data_descriptor']['compressed_size'].') vs Central Directory ('.$central_directory_entry['compressed_size'].') for file at offset '.$LocalFileHeader['offset']);
}
if ($LocalFileHeader['data_descriptor']['uncompressed_size'] == $central_directory_entry['uncompressed_size']) {
$LocalFileHeader['uncompressed_size'] = $LocalFileHeader['data_descriptor']['uncompressed_size'];
} else {
$this->warning('conflicting uncompressed_size from data_descriptor ('.$LocalFileHeader['data_descriptor']['uncompressed_size'].') vs Central Directory ('.$central_directory_entry['uncompressed_size'].') for file at offset '.$LocalFileHeader['offset']);
}
break;
}
}
}
}
return $LocalFileHeader;
}
/**
* @return array|false
*/
public function ZIPparseCentralDirectory() {
$CentralDirectory = array();
$CentralDirectory['offset'] = $this->ftell();
$ZIPcentralDirectory = $this->fread(46);
$CentralDirectory['raw']['signature'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 0, 4));
if ($CentralDirectory['raw']['signature'] != 0x02014B50) {
// invalid Central Directory Signature
$this->fseek($CentralDirectory['offset']); // seek back to where filepointer originally was so it can be handled properly
return false;
}
$CentralDirectory['raw']['create_version'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 4, 2));
$CentralDirectory['raw']['extract_version'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 6, 2));
$CentralDirectory['raw']['general_flags'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 8, 2));
$CentralDirectory['raw']['compression_method'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 10, 2));
$CentralDirectory['raw']['last_mod_file_time'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 12, 2));
$CentralDirectory['raw']['last_mod_file_date'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 14, 2));
$CentralDirectory['raw']['crc_32'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 16, 4));
$CentralDirectory['raw']['compressed_size'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 20, 4));
$CentralDirectory['raw']['uncompressed_size'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 24, 4));
$CentralDirectory['raw']['filename_length'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 28, 2));
$CentralDirectory['raw']['extra_field_length'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 30, 2));
$CentralDirectory['raw']['file_comment_length'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 32, 2));
$CentralDirectory['raw']['disk_number_start'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 34, 2));
$CentralDirectory['raw']['internal_file_attrib'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 36, 2));
$CentralDirectory['raw']['external_file_attrib'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 38, 4));
$CentralDirectory['raw']['local_header_offset'] = getid3_lib::LittleEndian2Int(substr($ZIPcentralDirectory, 42, 4));
$CentralDirectory['entry_offset'] = $CentralDirectory['raw']['local_header_offset'];
$CentralDirectory['create_version'] = sprintf('%1.1f', $CentralDirectory['raw']['create_version'] / 10);
$CentralDirectory['extract_version'] = sprintf('%1.1f', $CentralDirectory['raw']['extract_version'] / 10);
$CentralDirectory['host_os'] = $this->ZIPversionOSLookup(($CentralDirectory['raw']['extract_version'] & 0xFF00) >> 8);
$CentralDirectory['compression_method'] = $this->ZIPcompressionMethodLookup($CentralDirectory['raw']['compression_method']);
$CentralDirectory['compressed_size'] = $CentralDirectory['raw']['compressed_size'];
$CentralDirectory['uncompressed_size'] = $CentralDirectory['raw']['uncompressed_size'];
$CentralDirectory['flags'] = $this->ZIPparseGeneralPurposeFlags($CentralDirectory['raw']['general_flags'], $CentralDirectory['raw']['compression_method']);
$CentralDirectory['last_modified_timestamp'] = $this->DOStime2UNIXtime($CentralDirectory['raw']['last_mod_file_date'], $CentralDirectory['raw']['last_mod_file_time']);
$FilenameExtrafieldCommentLength = $CentralDirectory['raw']['filename_length'] + $CentralDirectory['raw']['extra_field_length'] + $CentralDirectory['raw']['file_comment_length'];
if ($FilenameExtrafieldCommentLength > 0) {
$FilenameExtrafieldComment = $this->fread($FilenameExtrafieldCommentLength);
if ($CentralDirectory['raw']['filename_length'] > 0) {
$CentralDirectory['filename'] = substr($FilenameExtrafieldComment, 0, $CentralDirectory['raw']['filename_length']);
}
if ($CentralDirectory['raw']['extra_field_length'] > 0) {
$CentralDirectory['raw']['extra_field_data'] = substr($FilenameExtrafieldComment, $CentralDirectory['raw']['filename_length'], $CentralDirectory['raw']['extra_field_length']);
}
if ($CentralDirectory['raw']['file_comment_length'] > 0) {
$CentralDirectory['file_comment'] = substr($FilenameExtrafieldComment, $CentralDirectory['raw']['filename_length'] + $CentralDirectory['raw']['extra_field_length'], $CentralDirectory['raw']['file_comment_length']);
}
}
return $CentralDirectory;
}
/**
* @return array|false
*/
public function ZIPparseEndOfCentralDirectory() {
$EndOfCentralDirectory = array();
$EndOfCentralDirectory['offset'] = $this->ftell();
$ZIPendOfCentralDirectory = $this->fread(22);
$EndOfCentralDirectory['signature'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 0, 4));
if ($EndOfCentralDirectory['signature'] != 0x06054B50) {
// invalid End Of Central Directory Signature
$this->fseek($EndOfCentralDirectory['offset']); // seek back to where filepointer originally was so it can be handled properly
return false;
}
$EndOfCentralDirectory['disk_number_current'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 4, 2));
$EndOfCentralDirectory['disk_number_start_directory'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 6, 2));
$EndOfCentralDirectory['directory_entries_this_disk'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 8, 2));
$EndOfCentralDirectory['directory_entries_total'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 10, 2));
$EndOfCentralDirectory['directory_size'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 12, 4));
$EndOfCentralDirectory['directory_offset'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 16, 4));
$EndOfCentralDirectory['comment_length'] = getid3_lib::LittleEndian2Int(substr($ZIPendOfCentralDirectory, 20, 2));
if ($EndOfCentralDirectory['comment_length'] > 0) {
$EndOfCentralDirectory['comment'] = $this->fread($EndOfCentralDirectory['comment_length']);
}
return $EndOfCentralDirectory;
}
/**
* @param int $flagbytes
* @param int $compressionmethod
*
* @return array
*/
public static function ZIPparseGeneralPurposeFlags($flagbytes, $compressionmethod) {
// https://users.cs.jmu.edu/buchhofp/forensics/formats/pkzip-printable.html
$ParsedFlags = array();
$ParsedFlags['encrypted'] = (bool) ($flagbytes & 0x0001);
// 0x0002 -- see below
// 0x0004 -- see below
$ParsedFlags['data_descriptor_used'] = (bool) ($flagbytes & 0x0008);
$ParsedFlags['enhanced_deflation'] = (bool) ($flagbytes & 0x0010);
$ParsedFlags['compressed_patched_data'] = (bool) ($flagbytes & 0x0020);
$ParsedFlags['strong_encryption'] = (bool) ($flagbytes & 0x0040);
// 0x0080 - unused
// 0x0100 - unused
// 0x0200 - unused
// 0x0400 - unused
$ParsedFlags['language_encoding'] = (bool) ($flagbytes & 0x0800);
// 0x1000 - reserved
$ParsedFlags['mask_header_values'] = (bool) ($flagbytes & 0x2000);
// 0x4000 - reserved
// 0x8000 - reserved
switch ($compressionmethod) {
case 6:
$ParsedFlags['dictionary_size'] = (($flagbytes & 0x0002) ? 8192 : 4096);
$ParsedFlags['shannon_fano_trees'] = (($flagbytes & 0x0004) ? 3 : 2);
break;
case 8:
case 9:
switch (($flagbytes & 0x0006) >> 1) {
case 0:
$ParsedFlags['compression_speed'] = 'normal';
break;
case 1:
$ParsedFlags['compression_speed'] = 'maximum';
break;
case 2:
$ParsedFlags['compression_speed'] = 'fast';
break;
case 3:
$ParsedFlags['compression_speed'] = 'superfast';
break;
}
break;
}
return $ParsedFlags;
}
/**
* @param int $index
*
* @return string
*/
public static function ZIPversionOSLookup($index) {
static $ZIPversionOSLookup = array(
0 => 'MS-DOS and OS/2 (FAT / VFAT / FAT32 file systems)',
1 => 'Amiga',
2 => 'OpenVMS',
3 => 'Unix',
4 => 'VM/CMS',
5 => 'Atari ST',
6 => 'OS/2 H.P.F.S.',
7 => 'Macintosh',
8 => 'Z-System',
9 => 'CP/M',
10 => 'Windows NTFS',
11 => 'MVS',
12 => 'VSE',
13 => 'Acorn Risc',
14 => 'VFAT',
15 => 'Alternate MVS',
16 => 'BeOS',
17 => 'Tandem',
18 => 'OS/400',
19 => 'OS/X (Darwin)',
);
return (isset($ZIPversionOSLookup[$index]) ? $ZIPversionOSLookup[$index] : '[unknown]');
}
/**
* @param int $index
*
* @return string
*/
public static function ZIPcompressionMethodLookup($index) {
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/ZIP.html
static $ZIPcompressionMethodLookup = array(
0 => 'store',
1 => 'shrink',
2 => 'reduce-1',
3 => 'reduce-2',
4 => 'reduce-3',
5 => 'reduce-4',
6 => 'implode',
7 => 'tokenize',
8 => 'deflate',
9 => 'deflate64',
10 => 'Imploded (old IBM TERSE)',
11 => 'RESERVED[11]',
12 => 'BZIP2',
13 => 'RESERVED[13]',
14 => 'LZMA (EFS)',
15 => 'RESERVED[15]',
16 => 'RESERVED[16]',
17 => 'RESERVED[17]',
18 => 'IBM TERSE (new)',
19 => 'IBM LZ77 z Architecture (PFS)',
96 => 'JPEG recompressed',
97 => 'WavPack compressed',
98 => 'PPMd version I, Rev 1',
);
return (isset($ZIPcompressionMethodLookup[$index]) ? $ZIPcompressionMethodLookup[$index] : '[unknown]');
}
/**
* @param int $DOSdate
* @param int $DOStime
*
* @return int
*/
public static function DOStime2UNIXtime($DOSdate, $DOStime) {
// wFatDate
// Specifies the MS-DOS date. The date is a packed 16-bit value with the following format:
// Bits Contents
// 0-4 Day of the month (1-31)
// 5-8 Month (1 = January, 2 = February, and so on)
// 9-15 Year offset from 1980 (add 1980 to get actual year)
$UNIXday = ($DOSdate & 0x001F);
$UNIXmonth = (($DOSdate & 0x01E0) >> 5);
$UNIXyear = (($DOSdate & 0xFE00) >> 9) + 1980;
// wFatTime
// Specifies the MS-DOS time. The time is a packed 16-bit value with the following format:
// Bits Contents
// 0-4 Second divided by 2
// 5-10 Minute (0-59)
// 11-15 Hour (0-23 on a 24-hour clock)
$UNIXsecond = ($DOStime & 0x001F) * 2;
$UNIXminute = (($DOStime & 0x07E0) >> 5);
$UNIXhour = (($DOStime & 0xF800) >> 11);
return gmmktime($UNIXhour, $UNIXminute, $UNIXsecond, $UNIXmonth, $UNIXday, $UNIXyear);
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,76 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.bink.php //
// module for analyzing Bink or Smacker audio-video files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_bink extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->error('Bink / Smacker files not properly processed by this version of getID3() ['.$this->getid3->version().']');
$this->fseek($info['avdataoffset']);
$fileTypeID = $this->fread(3);
switch ($fileTypeID) {
case 'BIK':
return $this->ParseBink();
case 'SMK':
return $this->ParseSmacker();
default:
$this->error('Expecting "BIK" or "SMK" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($fileTypeID).'"');
return false;
}
}
/**
* @return bool
*/
public function ParseBink() {
$info = &$this->getid3->info;
$info['fileformat'] = 'bink';
$info['video']['dataformat'] = 'bink';
$fileData = 'BIK'.$this->fread(13);
$info['bink']['data_size'] = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
$info['bink']['frame_count'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 2));
if (($info['avdataend'] - $info['avdataoffset']) != ($info['bink']['data_size'] + 8)) {
$this->error('Probably truncated file: expecting '.$info['bink']['data_size'].' bytes, found '.($info['avdataend'] - $info['avdataoffset']));
}
return true;
}
/**
* @return bool
*/
public function ParseSmacker() {
$info = &$this->getid3->info;
$info['fileformat'] = 'smacker';
$info['video']['dataformat'] = 'smacker';
return true;
}
}

View File

@ -0,0 +1,910 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio-video.flv.php //
// module for analyzing Shockwave Flash Video files //
// dependencies: NONE //
// //
/////////////////////////////////////////////////////////////////
// //
// FLV module by Seth Kaufman <sethØwhirl-i-gig*com> //
// //
// * version 0.1 (26 June 2005) //
// //
// * version 0.1.1 (15 July 2005) //
// minor modifications by James Heinrich <info@getid3.org> //
// //
// * version 0.2 (22 February 2006) //
// Support for On2 VP6 codec and meta information //
// by Steve Webster <steve.websterØfeaturecreep*com> //
// //
// * version 0.3 (15 June 2006) //
// Modified to not read entire file into memory //
// by James Heinrich <info@getid3.org> //
// //
// * version 0.4 (07 December 2007) //
// Bugfixes for incorrectly parsed FLV dimensions //
// and incorrect parsing of onMetaTag //
// by Evgeny Moysevich <moysevichØgmail*com> //
// //
// * version 0.5 (21 May 2009) //
// Fixed parsing of audio tags and added additional codec //
// details. The duration is now read from onMetaTag (if //
// exists), rather than parsing whole file //
// by Nigel Barnes <ngbarnesØhotmail*com> //
// //
// * version 0.6 (24 May 2009) //
// Better parsing of files with h264 video //
// by Evgeny Moysevich <moysevichØgmail*com> //
// //
// * version 0.6.1 (30 May 2011) //
// prevent infinite loops in expGolombUe() //
// //
// * version 0.7.0 (16 Jul 2013) //
// handle GETID3_FLV_VIDEO_VP6FLV_ALPHA //
// improved AVCSequenceParameterSetReader::readData() //
// by Xander Schouwerwou <schouwerwouØgmail*com> //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
define('GETID3_FLV_TAG_AUDIO', 8);
define('GETID3_FLV_TAG_VIDEO', 9);
define('GETID3_FLV_TAG_META', 18);
define('GETID3_FLV_VIDEO_H263', 2);
define('GETID3_FLV_VIDEO_SCREEN', 3);
define('GETID3_FLV_VIDEO_VP6FLV', 4);
define('GETID3_FLV_VIDEO_VP6FLV_ALPHA', 5);
define('GETID3_FLV_VIDEO_SCREENV2', 6);
define('GETID3_FLV_VIDEO_H264', 7);
define('H264_AVC_SEQUENCE_HEADER', 0);
define('H264_PROFILE_BASELINE', 66);
define('H264_PROFILE_MAIN', 77);
define('H264_PROFILE_EXTENDED', 88);
define('H264_PROFILE_HIGH', 100);
define('H264_PROFILE_HIGH10', 110);
define('H264_PROFILE_HIGH422', 122);
define('H264_PROFILE_HIGH444', 144);
define('H264_PROFILE_HIGH444_PREDICTIVE', 244);
class getid3_flv extends getid3_handler
{
const magic = 'FLV';
/**
* Break out of the loop if too many frames have been scanned; only scan this
* many if meta frame does not contain useful duration.
*
* @var int
*/
public $max_frames = 100000;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$FLVdataLength = $info['avdataend'] - $info['avdataoffset'];
$FLVheader = $this->fread(5);
$info['fileformat'] = 'flv';
$info['flv']['header']['signature'] = substr($FLVheader, 0, 3);
$info['flv']['header']['version'] = getid3_lib::BigEndian2Int(substr($FLVheader, 3, 1));
$TypeFlags = getid3_lib::BigEndian2Int(substr($FLVheader, 4, 1));
if ($info['flv']['header']['signature'] != self::magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes(self::magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($info['flv']['header']['signature']).'"');
unset($info['flv'], $info['fileformat']);
return false;
}
$info['flv']['header']['hasAudio'] = (bool) ($TypeFlags & 0x04);
$info['flv']['header']['hasVideo'] = (bool) ($TypeFlags & 0x01);
$FrameSizeDataLength = getid3_lib::BigEndian2Int($this->fread(4));
$FLVheaderFrameLength = 9;
if ($FrameSizeDataLength > $FLVheaderFrameLength) {
$this->fseek($FrameSizeDataLength - $FLVheaderFrameLength, SEEK_CUR);
}
$Duration = 0;
$found_video = false;
$found_audio = false;
$found_meta = false;
$found_valid_meta_playtime = false;
$tagParseCount = 0;
$info['flv']['framecount'] = array('total'=>0, 'audio'=>0, 'video'=>0);
$flv_framecount = &$info['flv']['framecount'];
while ((($this->ftell() + 16) < $info['avdataend']) && (($tagParseCount++ <= $this->max_frames) || !$found_valid_meta_playtime)) {
$ThisTagHeader = $this->fread(16);
$PreviousTagLength = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 0, 4));
$TagType = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 4, 1));
$DataLength = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 5, 3));
$Timestamp = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 8, 3));
$LastHeaderByte = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 15, 1));
$NextOffset = $this->ftell() - 1 + $DataLength;
if ($Timestamp > $Duration) {
$Duration = $Timestamp;
}
$flv_framecount['total']++;
switch ($TagType) {
case GETID3_FLV_TAG_AUDIO:
$flv_framecount['audio']++;
if (!$found_audio) {
$found_audio = true;
$info['flv']['audio']['audioFormat'] = ($LastHeaderByte >> 4) & 0x0F;
$info['flv']['audio']['audioRate'] = ($LastHeaderByte >> 2) & 0x03;
$info['flv']['audio']['audioSampleSize'] = ($LastHeaderByte >> 1) & 0x01;
$info['flv']['audio']['audioType'] = $LastHeaderByte & 0x01;
}
break;
case GETID3_FLV_TAG_VIDEO:
$flv_framecount['video']++;
if (!$found_video) {
$found_video = true;
$info['flv']['video']['videoCodec'] = $LastHeaderByte & 0x07;
$FLVvideoHeader = $this->fread(11);
$PictureSizeEnc = array();
if ($info['flv']['video']['videoCodec'] == GETID3_FLV_VIDEO_H264) {
// this code block contributed by: moysevichØgmail*com
$AVCPacketType = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 0, 1));
if ($AVCPacketType == H264_AVC_SEQUENCE_HEADER) {
// read AVCDecoderConfigurationRecord
$configurationVersion = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 4, 1));
$AVCProfileIndication = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 5, 1));
$profile_compatibility = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 1));
$lengthSizeMinusOne = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 7, 1));
$numOfSequenceParameterSets = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 8, 1));
if (($numOfSequenceParameterSets & 0x1F) != 0) {
// there is at least one SequenceParameterSet
// read size of the first SequenceParameterSet
//$spsSize = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 9, 2));
$spsSize = getid3_lib::LittleEndian2Int(substr($FLVvideoHeader, 9, 2));
// read the first SequenceParameterSet
$sps = $this->fread($spsSize);
if (strlen($sps) == $spsSize) { // make sure that whole SequenceParameterSet was red
$spsReader = new AVCSequenceParameterSetReader($sps);
$spsReader->readData();
$info['video']['resolution_x'] = $spsReader->getWidth();
$info['video']['resolution_y'] = $spsReader->getHeight();
}
}
}
// end: moysevichØgmail*com
} elseif ($info['flv']['video']['videoCodec'] == GETID3_FLV_VIDEO_H263) {
$PictureSizeType = (getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 3, 2))) >> 7;
$PictureSizeType = $PictureSizeType & 0x0007;
$info['flv']['header']['videoSizeType'] = $PictureSizeType;
switch ($PictureSizeType) {
case 0:
//$PictureSizeEnc = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 5, 2));
//$PictureSizeEnc <<= 1;
//$info['video']['resolution_x'] = ($PictureSizeEnc & 0xFF00) >> 8;
//$PictureSizeEnc = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 2));
//$PictureSizeEnc <<= 1;
//$info['video']['resolution_y'] = ($PictureSizeEnc & 0xFF00) >> 8;
$PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 4, 2)) >> 7;
$PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 5, 2)) >> 7;
$info['video']['resolution_x'] = $PictureSizeEnc['x'] & 0xFF;
$info['video']['resolution_y'] = $PictureSizeEnc['y'] & 0xFF;
break;
case 1:
$PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 4, 3)) >> 7;
$PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 3)) >> 7;
$info['video']['resolution_x'] = $PictureSizeEnc['x'] & 0xFFFF;
$info['video']['resolution_y'] = $PictureSizeEnc['y'] & 0xFFFF;
break;
case 2:
$info['video']['resolution_x'] = 352;
$info['video']['resolution_y'] = 288;
break;
case 3:
$info['video']['resolution_x'] = 176;
$info['video']['resolution_y'] = 144;
break;
case 4:
$info['video']['resolution_x'] = 128;
$info['video']['resolution_y'] = 96;
break;
case 5:
$info['video']['resolution_x'] = 320;
$info['video']['resolution_y'] = 240;
break;
case 6:
$info['video']['resolution_x'] = 160;
$info['video']['resolution_y'] = 120;
break;
default:
$info['video']['resolution_x'] = 0;
$info['video']['resolution_y'] = 0;
break;
}
} elseif ($info['flv']['video']['videoCodec'] == GETID3_FLV_VIDEO_VP6FLV_ALPHA) {
/* contributed by schouwerwouØgmail*com */
if (!isset($info['video']['resolution_x'])) { // only when meta data isn't set
$PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 2));
$PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 7, 2));
$info['video']['resolution_x'] = ($PictureSizeEnc['x'] & 0xFF) << 3;
$info['video']['resolution_y'] = ($PictureSizeEnc['y'] & 0xFF) << 3;
}
/* end schouwerwouØgmail*com */
}
if (!empty($info['video']['resolution_x']) && !empty($info['video']['resolution_y'])) {
$info['video']['pixel_aspect_ratio'] = $info['video']['resolution_x'] / $info['video']['resolution_y'];
}
}
break;
// Meta tag
case GETID3_FLV_TAG_META:
if (!$found_meta) {
$found_meta = true;
$this->fseek(-1, SEEK_CUR);
$datachunk = $this->fread($DataLength);
$AMFstream = new AMFStream($datachunk);
$reader = new AMFReader($AMFstream);
$eventName = $reader->readData();
$info['flv']['meta'][$eventName] = $reader->readData();
unset($reader);
$copykeys = array('framerate'=>'frame_rate', 'width'=>'resolution_x', 'height'=>'resolution_y', 'audiodatarate'=>'bitrate', 'videodatarate'=>'bitrate');
foreach ($copykeys as $sourcekey => $destkey) {
if (isset($info['flv']['meta']['onMetaData'][$sourcekey])) {
switch ($sourcekey) {
case 'width':
case 'height':
$info['video'][$destkey] = intval(round($info['flv']['meta']['onMetaData'][$sourcekey]));
break;
case 'audiodatarate':
$info['audio'][$destkey] = getid3_lib::CastAsInt(round($info['flv']['meta']['onMetaData'][$sourcekey] * 1000));
break;
case 'videodatarate':
case 'frame_rate':
default:
$info['video'][$destkey] = $info['flv']['meta']['onMetaData'][$sourcekey];
break;
}
}
}
if (!empty($info['flv']['meta']['onMetaData']['duration'])) {
$found_valid_meta_playtime = true;
}
}
break;
default:
// noop
break;
}
$this->fseek($NextOffset);
}
$info['playtime_seconds'] = $Duration / 1000;
if ($info['playtime_seconds'] > 0) {
$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
}
if ($info['flv']['header']['hasAudio']) {
$info['audio']['codec'] = self::audioFormatLookup($info['flv']['audio']['audioFormat']);
$info['audio']['sample_rate'] = self::audioRateLookup($info['flv']['audio']['audioRate']);
$info['audio']['bits_per_sample'] = self::audioBitDepthLookup($info['flv']['audio']['audioSampleSize']);
$info['audio']['channels'] = $info['flv']['audio']['audioType'] + 1; // 0=mono,1=stereo
$info['audio']['lossless'] = ($info['flv']['audio']['audioFormat'] ? false : true); // 0=uncompressed
$info['audio']['dataformat'] = 'flv';
}
if (!empty($info['flv']['header']['hasVideo'])) {
$info['video']['codec'] = self::videoCodecLookup($info['flv']['video']['videoCodec']);
$info['video']['dataformat'] = 'flv';
$info['video']['lossless'] = false;
}
// Set information from meta
if (!empty($info['flv']['meta']['onMetaData']['duration'])) {
$info['playtime_seconds'] = $info['flv']['meta']['onMetaData']['duration'];
$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
}
if (isset($info['flv']['meta']['onMetaData']['audiocodecid'])) {
$info['audio']['codec'] = self::audioFormatLookup($info['flv']['meta']['onMetaData']['audiocodecid']);
}
if (isset($info['flv']['meta']['onMetaData']['videocodecid'])) {
$info['video']['codec'] = self::videoCodecLookup($info['flv']['meta']['onMetaData']['videocodecid']);
}
return true;
}
/**
* @param int $id
*
* @return string|false
*/
public static function audioFormatLookup($id) {
static $lookup = array(
0 => 'Linear PCM, platform endian',
1 => 'ADPCM',
2 => 'mp3',
3 => 'Linear PCM, little endian',
4 => 'Nellymoser 16kHz mono',
5 => 'Nellymoser 8kHz mono',
6 => 'Nellymoser',
7 => 'G.711A-law logarithmic PCM',
8 => 'G.711 mu-law logarithmic PCM',
9 => 'reserved',
10 => 'AAC',
11 => 'Speex',
12 => false, // unknown?
13 => false, // unknown?
14 => 'mp3 8kHz',
15 => 'Device-specific sound',
);
return (isset($lookup[$id]) ? $lookup[$id] : false);
}
/**
* @param int $id
*
* @return int|false
*/
public static function audioRateLookup($id) {
static $lookup = array(
0 => 5500,
1 => 11025,
2 => 22050,
3 => 44100,
);
return (isset($lookup[$id]) ? $lookup[$id] : false);
}
/**
* @param int $id
*
* @return int|false
*/
public static function audioBitDepthLookup($id) {
static $lookup = array(
0 => 8,
1 => 16,
);
return (isset($lookup[$id]) ? $lookup[$id] : false);
}
/**
* @param int $id
*
* @return string|false
*/
public static function videoCodecLookup($id) {
static $lookup = array(
GETID3_FLV_VIDEO_H263 => 'Sorenson H.263',
GETID3_FLV_VIDEO_SCREEN => 'Screen video',
GETID3_FLV_VIDEO_VP6FLV => 'On2 VP6',
GETID3_FLV_VIDEO_VP6FLV_ALPHA => 'On2 VP6 with alpha channel',
GETID3_FLV_VIDEO_SCREENV2 => 'Screen video v2',
GETID3_FLV_VIDEO_H264 => 'Sorenson H.264',
);
return (isset($lookup[$id]) ? $lookup[$id] : false);
}
}
class AMFStream
{
/**
* @var string
*/
public $bytes;
/**
* @var int
*/
public $pos;
/**
* @param string $bytes
*/
public function __construct(&$bytes) {
$this->bytes =& $bytes;
$this->pos = 0;
}
/**
* @return int
*/
public function readByte() { // 8-bit
return ord(substr($this->bytes, $this->pos++, 1));
}
/**
* @return int
*/
public function readInt() { // 16-bit
return ($this->readByte() << 8) + $this->readByte();
}
/**
* @return int
*/
public function readLong() { // 32-bit
return ($this->readByte() << 24) + ($this->readByte() << 16) + ($this->readByte() << 8) + $this->readByte();
}
/**
* @return float|false
*/
public function readDouble() {
return getid3_lib::BigEndian2Float($this->read(8));
}
/**
* @return string
*/
public function readUTF() {
$length = $this->readInt();
return $this->read($length);
}
/**
* @return string
*/
public function readLongUTF() {
$length = $this->readLong();
return $this->read($length);
}
/**
* @param int $length
*
* @return string
*/
public function read($length) {
$val = substr($this->bytes, $this->pos, $length);
$this->pos += $length;
return $val;
}
/**
* @return int
*/
public function peekByte() {
$pos = $this->pos;
$val = $this->readByte();
$this->pos = $pos;
return $val;
}
/**
* @return int
*/
public function peekInt() {
$pos = $this->pos;
$val = $this->readInt();
$this->pos = $pos;
return $val;
}
/**
* @return int
*/
public function peekLong() {
$pos = $this->pos;
$val = $this->readLong();
$this->pos = $pos;
return $val;
}
/**
* @return float|false
*/
public function peekDouble() {
$pos = $this->pos;
$val = $this->readDouble();
$this->pos = $pos;
return $val;
}
/**
* @return string
*/
public function peekUTF() {
$pos = $this->pos;
$val = $this->readUTF();
$this->pos = $pos;
return $val;
}
/**
* @return string
*/
public function peekLongUTF() {
$pos = $this->pos;
$val = $this->readLongUTF();
$this->pos = $pos;
return $val;
}
}
class AMFReader
{
/**
* @var AMFStream
*/
public $stream;
/**
* @param AMFStream $stream
*/
public function __construct(AMFStream $stream) {
$this->stream = $stream;
}
/**
* @return mixed
*/
public function readData() {
$value = null;
$type = $this->stream->readByte();
switch ($type) {
// Double
case 0:
$value = $this->readDouble();
break;
// Boolean
case 1:
$value = $this->readBoolean();
break;
// String
case 2:
$value = $this->readString();
break;
// Object
case 3:
$value = $this->readObject();
break;
// null
case 6:
return null;
// Mixed array
case 8:
$value = $this->readMixedArray();
break;
// Array
case 10:
$value = $this->readArray();
break;
// Date
case 11:
$value = $this->readDate();
break;
// Long string
case 13:
$value = $this->readLongString();
break;
// XML (handled as string)
case 15:
$value = $this->readXML();
break;
// Typed object (handled as object)
case 16:
$value = $this->readTypedObject();
break;
// Long string
default:
$value = '(unknown or unsupported data type)';
break;
}
return $value;
}
/**
* @return float|false
*/
public function readDouble() {
return $this->stream->readDouble();
}
/**
* @return bool
*/
public function readBoolean() {
return $this->stream->readByte() == 1;
}
/**
* @return string
*/
public function readString() {
return $this->stream->readUTF();
}
/**
* @return array
*/
public function readObject() {
// Get highest numerical index - ignored
// $highestIndex = $this->stream->readLong();
$data = array();
$key = null;
while ($key = $this->stream->readUTF()) {
$data[$key] = $this->readData();
}
// Mixed array record ends with empty string (0x00 0x00) and 0x09
if (($key == '') && ($this->stream->peekByte() == 0x09)) {
// Consume byte
$this->stream->readByte();
}
return $data;
}
/**
* @return array
*/
public function readMixedArray() {
// Get highest numerical index - ignored
$highestIndex = $this->stream->readLong();
$data = array();
$key = null;
while ($key = $this->stream->readUTF()) {
if (is_numeric($key)) {
$key = (int) $key;
}
$data[$key] = $this->readData();
}
// Mixed array record ends with empty string (0x00 0x00) and 0x09
if (($key == '') && ($this->stream->peekByte() == 0x09)) {
// Consume byte
$this->stream->readByte();
}
return $data;
}
/**
* @return array
*/
public function readArray() {
$length = $this->stream->readLong();
$data = array();
for ($i = 0; $i < $length; $i++) {
$data[] = $this->readData();
}
return $data;
}
/**
* @return float|false
*/
public function readDate() {
$timestamp = $this->stream->readDouble();
$timezone = $this->stream->readInt();
return $timestamp;
}
/**
* @return string
*/
public function readLongString() {
return $this->stream->readLongUTF();
}
/**
* @return string
*/
public function readXML() {
return $this->stream->readLongUTF();
}
/**
* @return array
*/
public function readTypedObject() {
$className = $this->stream->readUTF();
return $this->readObject();
}
}
class AVCSequenceParameterSetReader
{
/**
* @var string
*/
public $sps;
public $start = 0;
public $currentBytes = 0;
public $currentBits = 0;
/**
* @var int
*/
public $width;
/**
* @var int
*/
public $height;
/**
* @param string $sps
*/
public function __construct($sps) {
$this->sps = $sps;
}
public function readData() {
$this->skipBits(8);
$this->skipBits(8);
$profile = $this->getBits(8); // read profile
if ($profile > 0) {
$this->skipBits(8);
$level_idc = $this->getBits(8); // level_idc
$this->expGolombUe(); // seq_parameter_set_id // sps
$this->expGolombUe(); // log2_max_frame_num_minus4
$picOrderType = $this->expGolombUe(); // pic_order_cnt_type
if ($picOrderType == 0) {
$this->expGolombUe(); // log2_max_pic_order_cnt_lsb_minus4
} elseif ($picOrderType == 1) {
$this->skipBits(1); // delta_pic_order_always_zero_flag
$this->expGolombSe(); // offset_for_non_ref_pic
$this->expGolombSe(); // offset_for_top_to_bottom_field
$num_ref_frames_in_pic_order_cnt_cycle = $this->expGolombUe(); // num_ref_frames_in_pic_order_cnt_cycle
for ($i = 0; $i < $num_ref_frames_in_pic_order_cnt_cycle; $i++) {
$this->expGolombSe(); // offset_for_ref_frame[ i ]
}
}
$this->expGolombUe(); // num_ref_frames
$this->skipBits(1); // gaps_in_frame_num_value_allowed_flag
$pic_width_in_mbs_minus1 = $this->expGolombUe(); // pic_width_in_mbs_minus1
$pic_height_in_map_units_minus1 = $this->expGolombUe(); // pic_height_in_map_units_minus1
$frame_mbs_only_flag = $this->getBits(1); // frame_mbs_only_flag
if ($frame_mbs_only_flag == 0) {
$this->skipBits(1); // mb_adaptive_frame_field_flag
}
$this->skipBits(1); // direct_8x8_inference_flag
$frame_cropping_flag = $this->getBits(1); // frame_cropping_flag
$frame_crop_left_offset = 0;
$frame_crop_right_offset = 0;
$frame_crop_top_offset = 0;
$frame_crop_bottom_offset = 0;
if ($frame_cropping_flag) {
$frame_crop_left_offset = $this->expGolombUe(); // frame_crop_left_offset
$frame_crop_right_offset = $this->expGolombUe(); // frame_crop_right_offset
$frame_crop_top_offset = $this->expGolombUe(); // frame_crop_top_offset
$frame_crop_bottom_offset = $this->expGolombUe(); // frame_crop_bottom_offset
}
$this->skipBits(1); // vui_parameters_present_flag
// etc
$this->width = (($pic_width_in_mbs_minus1 + 1) * 16) - ($frame_crop_left_offset * 2) - ($frame_crop_right_offset * 2);
$this->height = ((2 - $frame_mbs_only_flag) * ($pic_height_in_map_units_minus1 + 1) * 16) - ($frame_crop_top_offset * 2) - ($frame_crop_bottom_offset * 2);
}
}
/**
* @param int $bits
*/
public function skipBits($bits) {
$newBits = $this->currentBits + $bits;
$this->currentBytes += (int)floor($newBits / 8);
$this->currentBits = $newBits % 8;
}
/**
* @return int
*/
public function getBit() {
$result = (getid3_lib::BigEndian2Int(substr($this->sps, $this->currentBytes, 1)) >> (7 - $this->currentBits)) & 0x01;
$this->skipBits(1);
return $result;
}
/**
* @param int $bits
*
* @return int
*/
public function getBits($bits) {
$result = 0;
for ($i = 0; $i < $bits; $i++) {
$result = ($result << 1) + $this->getBit();
}
return $result;
}
/**
* @return int
*/
public function expGolombUe() {
$significantBits = 0;
$bit = $this->getBit();
while ($bit == 0) {
$significantBits++;
$bit = $this->getBit();
if ($significantBits > 31) {
// something is broken, this is an emergency escape to prevent infinite loops
return 0;
}
}
return (1 << $significantBits) + $this->getBits($significantBits) - 1;
}
/**
* @return int
*/
public function expGolombSe() {
$result = $this->expGolombUe();
if (($result & 0x01) == 0) {
return -($result >> 1);
} else {
return ($result + 1) >> 1;
}
}
/**
* @return int
*/
public function getWidth() {
return $this->width;
}
/**
* @return int
*/
public function getHeight() {
return $this->height;
}
}

View File

@ -0,0 +1,81 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.ivf.php //
// module for analyzing IVF audio-video files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_ivf extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'ivf';
$info['video']['dataformat'] = 'ivf';
$this->fseek($info['avdataoffset']);
$IVFheader = $this->fread(32);
if (substr($IVFheader, 0, 4) == 'DKIF') {
// https://wiki.multimedia.cx/index.php/IVF
$info['ivf']['header']['signature'] = substr($IVFheader, 0, 4);
$info['ivf']['header']['version'] = getid3_lib::LittleEndian2Int(substr($IVFheader, 4, 2)); // should be 0
$info['ivf']['header']['headersize'] = getid3_lib::LittleEndian2Int(substr($IVFheader, 6, 2));
$info['ivf']['header']['fourcc'] = substr($IVFheader, 8, 4);
$info['ivf']['header']['resolution_x'] = getid3_lib::LittleEndian2Int(substr($IVFheader, 12, 2));
$info['ivf']['header']['resolution_y'] = getid3_lib::LittleEndian2Int(substr($IVFheader, 14, 2));
$info['ivf']['header']['timebase_numerator'] = getid3_lib::LittleEndian2Int(substr($IVFheader, 16, 4));
$info['ivf']['header']['timebase_denominator'] = getid3_lib::LittleEndian2Int(substr($IVFheader, 20, 4));
$info['ivf']['header']['frame_count'] = getid3_lib::LittleEndian2Int(substr($IVFheader, 24, 4));
//$info['ivf']['header']['reserved'] = substr($IVFheader, 28, 4);
$info['ivf']['header']['frame_rate'] = (float)getid3_lib::SafeDiv($info['ivf']['header']['timebase_numerator'], $info['ivf']['header']['timebase_denominator']);
if ($info['ivf']['header']['version'] > 0) {
$this->warning('Expecting IVF header version 0, found version '.$info['ivf']['header']['version'].', results may not be accurate');
}
$info['video']['resolution_x'] = $info['ivf']['header']['resolution_x'];
$info['video']['resolution_y'] = $info['ivf']['header']['resolution_y'];
$info['video']['codec'] = $info['ivf']['header']['fourcc'];
$info['ivf']['frame_count'] = 0;
$timestamp = 0;
while (!$this->feof()) {
if ($frameheader = $this->fread(12)) {
$framesize = getid3_lib::LittleEndian2Int(substr($frameheader, 0, 4)); // size of frame in bytes (not including the 12-byte header)
$timestamp = getid3_lib::LittleEndian2Int(substr($frameheader, 4, 8)); // 64-bit presentation timestamp
$this->fseek($framesize, SEEK_CUR);
$info['ivf']['frame_count']++;
}
}
if ($info['ivf']['frame_count'] && $info['playtime_seconds']) {
$info['playtime_seconds'] = $timestamp / 100000;
$info['video']['frame_rate'] = (float) $info['ivf']['frame_count'] / $info['playtime_seconds'];
}
} else {
$this->error('Expecting "DKIF" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($IVFheader, 0, 4)).'"');
return false;
}
return true;
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,693 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio-video.mpeg.php //
// module for analyzing MPEG files //
// dependencies: module.audio.mp3.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
class getid3_mpeg extends getid3_handler
{
const START_CODE_BASE = "\x00\x00\x01";
const VIDEO_PICTURE_START = "\x00\x00\x01\x00";
const VIDEO_USER_DATA_START = "\x00\x00\x01\xB2";
const VIDEO_SEQUENCE_HEADER = "\x00\x00\x01\xB3";
const VIDEO_SEQUENCE_ERROR = "\x00\x00\x01\xB4";
const VIDEO_EXTENSION_START = "\x00\x00\x01\xB5";
const VIDEO_SEQUENCE_END = "\x00\x00\x01\xB7";
const VIDEO_GROUP_START = "\x00\x00\x01\xB8";
const AUDIO_START = "\x00\x00\x01\xC0";
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'mpeg';
$this->fseek($info['avdataoffset']);
$MPEGstreamData = $this->fread($this->getid3->option_fread_buffer_size);
$MPEGstreamBaseOffset = 0; // how far are we from the beginning of the file data ($info['avdataoffset'])
$MPEGstreamDataOffset = 0; // how far are we from the beginning of the buffer data (~32kB)
$StartCodeValue = false;
$prevStartCodeValue = false;
$GOPcounter = -1;
$FramesByGOP = array();
$ParsedAVchannels = array();
do {
//echo $MPEGstreamDataOffset.' vs '.(strlen($MPEGstreamData) - 1024).'<Br>';
if ($MPEGstreamDataOffset > (strlen($MPEGstreamData) - 16384)) {
// buffer running low, get more data
//echo 'reading more data<br>';
$MPEGstreamData .= $this->fread($this->getid3->option_fread_buffer_size);
if (strlen($MPEGstreamData) > $this->getid3->option_fread_buffer_size) {
$MPEGstreamData = substr($MPEGstreamData, $MPEGstreamDataOffset);
$MPEGstreamBaseOffset += $MPEGstreamDataOffset;
$MPEGstreamDataOffset = 0;
}
}
if (($StartCodeOffset = strpos($MPEGstreamData, self::START_CODE_BASE, $MPEGstreamDataOffset)) === false) {
//echo 'no more start codes found.<br>';
break;
} else {
$MPEGstreamDataOffset = $StartCodeOffset;
$prevStartCodeValue = $StartCodeValue;
$StartCodeValue = ord(substr($MPEGstreamData, $StartCodeOffset + 3, 1));
//echo 'Found "'.strtoupper(dechex($StartCodeValue)).'" at offset '.($MPEGstreamBaseOffset + $StartCodeOffset).' ($MPEGstreamDataOffset = '.$MPEGstreamDataOffset.')<br>';
}
$MPEGstreamDataOffset += 4;
switch ($StartCodeValue) {
case 0x00: // picture_start_code
if (!empty($info['mpeg']['video']['bitrate_mode']) && ($info['mpeg']['video']['bitrate_mode'] == 'vbr')) {
$bitstream = getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 4, 4));
$bitstreamoffset = 0;
$PictureHeader = array();
$PictureHeader['temporal_reference'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 10); // 10-bit unsigned integer associated with each input picture. It is incremented by one, modulo 1024, for each input frame. When a frame is coded as two fields the temporal reference in the picture header of both fields is the same. Following a group start header the temporal reference of the earliest picture (in display order) shall be reset to zero.
$PictureHeader['picture_coding_type'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 3); // 3 bits for picture_coding_type
$PictureHeader['vbv_delay'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 16); // 16 bits for vbv_delay
//... etc
$FramesByGOP[$GOPcounter][] = $PictureHeader;
}
break;
case 0xB3: // sequence_header_code
// Note: purposely doing the less-pretty (and probably a bit slower) method of using string of bits rather than bitwise operations.
// Mostly because PHP 32-bit doesn't handle unsigned integers well for bitwise operation.
// Also the MPEG stream is designed as a bitstream and often doesn't align nicely with byte boundaries.
$info['video']['codec'] = 'MPEG-1'; // will be updated if extension_start_code found
$bitstream = getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 4, 8));
$bitstreamoffset = 0;
$info['mpeg']['video']['raw']['horizontal_size_value'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 12); // 12 bits for horizontal frame size. Note: horizontal_size_extension, if present, will add 2 most-significant bits to this value
$info['mpeg']['video']['raw']['vertical_size_value'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 12); // 12 bits for vertical frame size. Note: vertical_size_extension, if present, will add 2 most-significant bits to this value
$info['mpeg']['video']['raw']['aspect_ratio_information'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for aspect_ratio_information
$info['mpeg']['video']['raw']['frame_rate_code'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for Frame Rate id code
$info['mpeg']['video']['raw']['bitrate'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 18); // 18 bits for bit_rate_value (18 set bits = VBR, otherwise bitrate = this value * 400)
$marker_bit = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // The term "marker_bit" indicates a one bit field in which the value zero is forbidden. These marker bits are introduced at several points in the syntax to avoid start code emulation.
$info['mpeg']['video']['raw']['vbv_buffer_size'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 10); // 10 bits vbv_buffer_size_value
$info['mpeg']['video']['raw']['constrained_param_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: constrained_param_flag
$info['mpeg']['video']['raw']['load_intra_quantiser_matrix'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: load_intra_quantiser_matrix
if ($info['mpeg']['video']['raw']['load_intra_quantiser_matrix']) {
$bitstream .= getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 12, 64));
for ($i = 0; $i < 64; $i++) {
$info['mpeg']['video']['raw']['intra_quantiser_matrix'][$i] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8);
}
}
$info['mpeg']['video']['raw']['load_non_intra_quantiser_matrix'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1);
if ($info['mpeg']['video']['raw']['load_non_intra_quantiser_matrix']) {
$bitstream .= getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 12 + ($info['mpeg']['video']['raw']['load_intra_quantiser_matrix'] ? 64 : 0), 64));
for ($i = 0; $i < 64; $i++) {
$info['mpeg']['video']['raw']['non_intra_quantiser_matrix'][$i] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8);
}
}
$info['mpeg']['video']['pixel_aspect_ratio'] = self::videoAspectRatioLookup($info['mpeg']['video']['raw']['aspect_ratio_information']); // may be overridden later if file turns out to be MPEG-2
$info['mpeg']['video']['pixel_aspect_ratio_text'] = self::videoAspectRatioTextLookup($info['mpeg']['video']['raw']['aspect_ratio_information']); // may be overridden later if file turns out to be MPEG-2
$info['mpeg']['video']['frame_rate'] = self::videoFramerateLookup($info['mpeg']['video']['raw']['frame_rate_code']);
if ($info['mpeg']['video']['raw']['bitrate'] == 0x3FFFF) { // 18 set bits = VBR
//$this->warning('This version of getID3() ['.$this->getid3->version().'] cannot determine average bitrate of VBR MPEG video files');
$info['mpeg']['video']['bitrate_mode'] = 'vbr';
} else {
$info['mpeg']['video']['bitrate'] = $info['mpeg']['video']['raw']['bitrate'] * 400;
$info['mpeg']['video']['bitrate_mode'] = 'cbr';
$info['video']['bitrate'] = $info['mpeg']['video']['bitrate'];
}
$info['video']['resolution_x'] = $info['mpeg']['video']['raw']['horizontal_size_value'];
$info['video']['resolution_y'] = $info['mpeg']['video']['raw']['vertical_size_value'];
$info['video']['frame_rate'] = $info['mpeg']['video']['frame_rate'];
$info['video']['bitrate_mode'] = $info['mpeg']['video']['bitrate_mode'];
$info['video']['pixel_aspect_ratio'] = $info['mpeg']['video']['pixel_aspect_ratio'];
$info['video']['lossless'] = false;
$info['video']['bits_per_sample'] = 24;
break;
case 0xB5: // extension_start_code
$info['video']['codec'] = 'MPEG-2';
$bitstream = getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 4, 8)); // 48 bits for Sequence Extension ID; 61 bits for Sequence Display Extension ID; 59 bits for Sequence Scalable Extension ID
$bitstreamoffset = 0;
$info['mpeg']['video']['raw']['extension_start_code_identifier'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for extension_start_code_identifier
//echo $info['mpeg']['video']['raw']['extension_start_code_identifier'].'<br>';
switch ($info['mpeg']['video']['raw']['extension_start_code_identifier']) {
case 1: // 0001 Sequence Extension ID
$info['mpeg']['video']['raw']['profile_and_level_indication'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8); // 8 bits for profile_and_level_indication
$info['mpeg']['video']['raw']['progressive_sequence'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: progressive_sequence
$info['mpeg']['video']['raw']['chroma_format'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for chroma_format
$info['mpeg']['video']['raw']['horizontal_size_extension'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for horizontal_size_extension
$info['mpeg']['video']['raw']['vertical_size_extension'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for vertical_size_extension
$info['mpeg']['video']['raw']['bit_rate_extension'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 12); // 12 bits for bit_rate_extension
$marker_bit = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // The term "marker_bit" indicates a one bit field in which the value zero is forbidden. These marker bits are introduced at several points in the syntax to avoid start code emulation.
$info['mpeg']['video']['raw']['vbv_buffer_size_extension'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8); // 8 bits for vbv_buffer_size_extension
$info['mpeg']['video']['raw']['low_delay'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: low_delay
$info['mpeg']['video']['raw']['frame_rate_extension_n'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for frame_rate_extension_n
$info['mpeg']['video']['raw']['frame_rate_extension_d'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 5); // 5 bits for frame_rate_extension_d
$info['video']['resolution_x'] = ($info['mpeg']['video']['raw']['horizontal_size_extension'] << 12) | $info['mpeg']['video']['raw']['horizontal_size_value'];
$info['video']['resolution_y'] = ($info['mpeg']['video']['raw']['vertical_size_extension'] << 12) | $info['mpeg']['video']['raw']['vertical_size_value'];
$info['video']['interlaced'] = !$info['mpeg']['video']['raw']['progressive_sequence'];
$info['mpeg']['video']['interlaced'] = !$info['mpeg']['video']['raw']['progressive_sequence'];
$info['mpeg']['video']['chroma_format'] = self::chromaFormatTextLookup($info['mpeg']['video']['raw']['chroma_format']);
if (isset($info['mpeg']['video']['raw']['aspect_ratio_information'])) {
// MPEG-2 defines the aspect ratio flag differently from MPEG-1, but the MPEG-2 extension start code may occur after we've already looked up the aspect ratio assuming it was MPEG-1, so re-lookup assuming MPEG-2
// This must be done after the extended size is known, so the display aspect ratios can be converted to pixel aspect ratios.
$info['mpeg']['video']['pixel_aspect_ratio'] = self::videoAspectRatioLookup($info['mpeg']['video']['raw']['aspect_ratio_information'], 2, $info['video']['resolution_x'], $info['video']['resolution_y']);
$info['mpeg']['video']['pixel_aspect_ratio_text'] = self::videoAspectRatioTextLookup($info['mpeg']['video']['raw']['aspect_ratio_information'], 2);
$info['video']['pixel_aspect_ratio'] = $info['mpeg']['video']['pixel_aspect_ratio'];
$info['video']['pixel_aspect_ratio_text'] = $info['mpeg']['video']['pixel_aspect_ratio_text'];
}
break;
case 2: // 0010 Sequence Display Extension ID
$info['mpeg']['video']['raw']['video_format'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 3); // 3 bits for video_format
$info['mpeg']['video']['raw']['colour_description'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: colour_description
if ($info['mpeg']['video']['raw']['colour_description']) {
$info['mpeg']['video']['raw']['colour_primaries'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8); // 8 bits for colour_primaries
$info['mpeg']['video']['raw']['transfer_characteristics'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8); // 8 bits for transfer_characteristics
$info['mpeg']['video']['raw']['matrix_coefficients'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8); // 8 bits for matrix_coefficients
}
$info['mpeg']['video']['raw']['display_horizontal_size'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 14); // 14 bits for display_horizontal_size
$marker_bit = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // The term "marker_bit" indicates a one bit field in which the value zero is forbidden. These marker bits are introduced at several points in the syntax to avoid start code emulation.
$info['mpeg']['video']['raw']['display_vertical_size'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 14); // 14 bits for display_vertical_size
$info['mpeg']['video']['video_format'] = self::videoFormatTextLookup($info['mpeg']['video']['raw']['video_format']);
break;
case 3: // 0011 Quant Matrix Extension ID
break;
case 5: // 0101 Sequence Scalable Extension ID
$info['mpeg']['video']['raw']['scalable_mode'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for scalable_mode
$info['mpeg']['video']['raw']['layer_id'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for layer_id
if ($info['mpeg']['video']['raw']['scalable_mode'] == 1) { // "spatial scalability"
$info['mpeg']['video']['raw']['lower_layer_prediction_horizontal_size'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 14); // 14 bits for lower_layer_prediction_horizontal_size
$marker_bit = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // The term "marker_bit" indicates a one bit field in which the value zero is forbidden. These marker bits are introduced at several points in the syntax to avoid start code emulation.
$info['mpeg']['video']['raw']['lower_layer_prediction_vertical_size'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 14); // 14 bits for lower_layer_prediction_vertical_size
$info['mpeg']['video']['raw']['horizontal_subsampling_factor_m'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 5); // 5 bits for horizontal_subsampling_factor_m
$info['mpeg']['video']['raw']['horizontal_subsampling_factor_n'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 5); // 5 bits for horizontal_subsampling_factor_n
$info['mpeg']['video']['raw']['vertical_subsampling_factor_m'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 5); // 5 bits for vertical_subsampling_factor_m
$info['mpeg']['video']['raw']['vertical_subsampling_factor_n'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 5); // 5 bits for vertical_subsampling_factor_n
} elseif ($info['mpeg']['video']['raw']['scalable_mode'] == 3) { // "temporal scalability"
$info['mpeg']['video']['raw']['picture_mux_enable'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: picture_mux_enable
if ($info['mpeg']['video']['raw']['picture_mux_enable']) {
$info['mpeg']['video']['raw']['mux_to_progressive_sequence'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: mux_to_progressive_sequence
}
$info['mpeg']['video']['raw']['picture_mux_order'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 3); // 3 bits for picture_mux_order
$info['mpeg']['video']['raw']['picture_mux_factor'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 3); // 3 bits for picture_mux_factor
}
$info['mpeg']['video']['scalable_mode'] = self::scalableModeTextLookup($info['mpeg']['video']['raw']['scalable_mode']);
break;
case 7: // 0111 Picture Display Extension ID
break;
case 8: // 1000 Picture Coding Extension ID
$info['mpeg']['video']['raw']['f_code_00'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for f_code[0][0] (forward horizontal)
$info['mpeg']['video']['raw']['f_code_01'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for f_code[0][1] (forward vertical)
$info['mpeg']['video']['raw']['f_code_10'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for f_code[1][0] (backward horizontal)
$info['mpeg']['video']['raw']['f_code_11'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 4); // 4 bits for f_code[1][1] (backward vertical)
$info['mpeg']['video']['raw']['intra_dc_precision'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for intra_dc_precision
$info['mpeg']['video']['raw']['picture_structure'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for picture_structure
$info['mpeg']['video']['raw']['top_field_first'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: top_field_first
$info['mpeg']['video']['raw']['frame_pred_frame_dct'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: frame_pred_frame_dct
$info['mpeg']['video']['raw']['concealment_motion_vectors'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: concealment_motion_vectors
$info['mpeg']['video']['raw']['q_scale_type'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: q_scale_type
$info['mpeg']['video']['raw']['intra_vlc_format'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: intra_vlc_format
$info['mpeg']['video']['raw']['alternate_scan'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: alternate_scan
$info['mpeg']['video']['raw']['repeat_first_field'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: repeat_first_field
$info['mpeg']['video']['raw']['chroma_420_type'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: chroma_420_type
$info['mpeg']['video']['raw']['progressive_frame'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: progressive_frame
$info['mpeg']['video']['raw']['composite_display_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: composite_display_flag
if ($info['mpeg']['video']['raw']['composite_display_flag']) {
$info['mpeg']['video']['raw']['v_axis'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: v_axis
$info['mpeg']['video']['raw']['field_sequence'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 3); // 3 bits for field_sequence
$info['mpeg']['video']['raw']['sub_carrier'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: sub_carrier
$info['mpeg']['video']['raw']['burst_amplitude'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 7); // 7 bits for burst_amplitude
$info['mpeg']['video']['raw']['sub_carrier_phase'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8); // 8 bits for sub_carrier_phase
}
$info['mpeg']['video']['intra_dc_precision_bits'] = $info['mpeg']['video']['raw']['intra_dc_precision'] + 8;
$info['mpeg']['video']['picture_structure'] = self::pictureStructureTextLookup($info['mpeg']['video']['raw']['picture_structure']);
break;
case 9: // 1001 Picture Spatial Scalable Extension ID
break;
case 10: // 1010 Picture Temporal Scalable Extension ID
break;
default:
$this->warning('Unexpected $info[mpeg][video][raw][extension_start_code_identifier] value of '.$info['mpeg']['video']['raw']['extension_start_code_identifier']);
break;
}
break;
case 0xB8: // group_of_pictures_header
$GOPcounter++;
if (!empty($info['mpeg']['video']['bitrate_mode']) && ($info['mpeg']['video']['bitrate_mode'] == 'vbr')) {
$bitstream = getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 4, 4)); // 27 bits needed for group_of_pictures_header
$bitstreamoffset = 0;
$GOPheader = array();
$GOPheader['byte_offset'] = $MPEGstreamBaseOffset + $StartCodeOffset;
$GOPheader['drop_frame_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: drop_frame_flag
$GOPheader['time_code_hours'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 5); // 5 bits for time_code_hours
$GOPheader['time_code_minutes'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 6); // 6 bits for time_code_minutes
$marker_bit = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // The term "marker_bit" indicates a one bit field in which the value zero is forbidden. These marker bits are introduced at several points in the syntax to avoid start code emulation.
$GOPheader['time_code_seconds'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 6); // 6 bits for time_code_seconds
$GOPheader['time_code_pictures'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 6); // 6 bits for time_code_pictures
$GOPheader['closed_gop'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: closed_gop
$GOPheader['broken_link'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: broken_link
$time_code_separator = ($GOPheader['drop_frame_flag'] ? ';' : ':'); // While non-drop time code is displayed with colons separating the digit pairs "HH:MM:SS:FF" drop frame is usually represented with a semi-colon (;) or period (.) as the divider between all the digit pairs "HH;MM;SS;FF", "HH.MM.SS.FF"
$GOPheader['time_code'] = sprintf('%02d'.$time_code_separator.'%02d'.$time_code_separator.'%02d'.$time_code_separator.'%02d', $GOPheader['time_code_hours'], $GOPheader['time_code_minutes'], $GOPheader['time_code_seconds'], $GOPheader['time_code_pictures']);
$info['mpeg']['group_of_pictures'][] = $GOPheader;
} else {
// https://github.com/JamesHeinrich/getID3/issues/440
$this->warning('group_of_pictures['.$GOPcounter.'] no valid bitratemode');
$info['mpeg']['group_of_pictures'][] = array();
}
break;
case 0xC0: // audio stream
case 0xC1: // audio stream
case 0xC2: // audio stream
case 0xC3: // audio stream
case 0xC4: // audio stream
case 0xC5: // audio stream
case 0xC6: // audio stream
case 0xC7: // audio stream
case 0xC8: // audio stream
case 0xC9: // audio stream
case 0xCA: // audio stream
case 0xCB: // audio stream
case 0xCC: // audio stream
case 0xCD: // audio stream
case 0xCE: // audio stream
case 0xCF: // audio stream
case 0xD0: // audio stream
case 0xD1: // audio stream
case 0xD2: // audio stream
case 0xD3: // audio stream
case 0xD4: // audio stream
case 0xD5: // audio stream
case 0xD6: // audio stream
case 0xD7: // audio stream
case 0xD8: // audio stream
case 0xD9: // audio stream
case 0xDA: // audio stream
case 0xDB: // audio stream
case 0xDC: // audio stream
case 0xDD: // audio stream
case 0xDE: // audio stream
case 0xDF: // audio stream
//case 0xE0: // video stream
//case 0xE1: // video stream
//case 0xE2: // video stream
//case 0xE3: // video stream
//case 0xE4: // video stream
//case 0xE5: // video stream
//case 0xE6: // video stream
//case 0xE7: // video stream
//case 0xE8: // video stream
//case 0xE9: // video stream
//case 0xEA: // video stream
//case 0xEB: // video stream
//case 0xEC: // video stream
//case 0xED: // video stream
//case 0xEE: // video stream
//case 0xEF: // video stream
if (isset($ParsedAVchannels[$StartCodeValue])) {
break;
}
$ParsedAVchannels[$StartCodeValue] = $StartCodeValue;
// http://en.wikipedia.org/wiki/Packetized_elementary_stream
// http://dvd.sourceforge.net/dvdinfo/pes-hdr.html
/*
$PackedElementaryStream = array();
if ($StartCodeValue >= 0xE0) {
$PackedElementaryStream['stream_type'] = 'video';
$PackedElementaryStream['stream_id'] = $StartCodeValue - 0xE0;
} else {
$PackedElementaryStream['stream_type'] = 'audio';
$PackedElementaryStream['stream_id'] = $StartCodeValue - 0xC0;
}
$PackedElementaryStream['packet_length'] = getid3_lib::BigEndian2Int(substr($MPEGstreamData, $StartCodeOffset + 4, 2));
$bitstream = getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 6, 3)); // more may be needed below
$bitstreamoffset = 0;
$PackedElementaryStream['marker_bits'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for marker_bits -- should be "10" = 2
echo 'marker_bits = '.$PackedElementaryStream['marker_bits'].'<br>';
$PackedElementaryStream['scrambling_control'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 2); // 2 bits for scrambling_control -- 00 implies not scrambled
$PackedElementaryStream['priority'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: priority
$PackedElementaryStream['data_alignment_indicator'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: data_alignment_indicator -- 1 indicates that the PES packet header is immediately followed by the video start code or audio syncword
$PackedElementaryStream['copyright'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: copyright -- 1 implies copyrighted
$PackedElementaryStream['original_or_copy'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: original_or_copy -- 1 implies original
$PackedElementaryStream['pts_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: pts_flag -- Presentation Time Stamp
$PackedElementaryStream['dts_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: dts_flag -- Decode Time Stamp
$PackedElementaryStream['escr_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: escr_flag -- Elementary Stream Clock Reference
$PackedElementaryStream['es_rate_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: es_rate_flag -- Elementary Stream [data] Rate
$PackedElementaryStream['dsm_trick_mode_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: dsm_trick_mode_flag -- DSM trick mode - not used by DVD
$PackedElementaryStream['additional_copy_info_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: additional_copy_info_flag
$PackedElementaryStream['crc_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: crc_flag
$PackedElementaryStream['extension_flag'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 1); // 1 bit flag: extension_flag
$PackedElementaryStream['pes_remain_header_length'] = self::readBitsFromStream($bitstream, $bitstreamoffset, 8); // 1 bit flag: priority
$additional_header_bytes = 0;
$additional_header_bytes += ($PackedElementaryStream['pts_flag'] ? 5 : 0);
$additional_header_bytes += ($PackedElementaryStream['dts_flag'] ? 5 : 0);
$additional_header_bytes += ($PackedElementaryStream['escr_flag'] ? 6 : 0);
$additional_header_bytes += ($PackedElementaryStream['es_rate_flag'] ? 3 : 0);
$additional_header_bytes += ($PackedElementaryStream['additional_copy_info_flag'] ? 1 : 0);
$additional_header_bytes += ($PackedElementaryStream['crc_flag'] ? 2 : 0);
$additional_header_bytes += ($PackedElementaryStream['extension_flag'] ? 1 : 0);
$PackedElementaryStream['additional_header_bytes'] = $additional_header_bytes;
$bitstream .= getid3_lib::BigEndian2Bin(substr($MPEGstreamData, $StartCodeOffset + 9, $additional_header_bytes));
$info['mpeg']['packed_elementary_streams'][$PackedElementaryStream['stream_type']][$PackedElementaryStream['stream_id']][] = $PackedElementaryStream;
*/
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_temp->info = $info;
$getid3_mp3 = new getid3_mp3($getid3_temp);
for ($i = 0; $i <= 7; $i++) {
// some files have the MPEG-audio header 8 bytes after the end of the $00 $00 $01 $C0 signature, some have it up to 13 bytes (or more?) after
// I have no idea why or what the difference is, so this is a stupid hack.
// If anybody has any better idea of what's going on, please let me know - info@getid3.org
$getid3_temp->info = $info; // only overwrite real data if valid header found
//echo 'audio at? '.($MPEGstreamBaseOffset + $StartCodeOffset + 4 + 8 + $i).'<br>';
if ($getid3_mp3->decodeMPEGaudioHeader($MPEGstreamBaseOffset + $StartCodeOffset + 4 + 8 + $i, $getid3_temp->info, false)) {
//echo 'yes!<br>';
$info = $getid3_temp->info;
$info['audio']['bitrate_mode'] = 'cbr';
$info['audio']['lossless'] = false;
break;
}
}
unset($getid3_temp, $getid3_mp3);
break;
case 0xBC: // Program Stream Map
case 0xBD: // Private stream 1 (non MPEG audio, subpictures)
case 0xBE: // Padding stream
case 0xBF: // Private stream 2 (navigation data)
case 0xF0: // ECM stream
case 0xF1: // EMM stream
case 0xF2: // DSM-CC stream
case 0xF3: // ISO/IEC_13522_stream
case 0xF4: // ITU-I Rec. H.222.1 type A
case 0xF5: // ITU-I Rec. H.222.1 type B
case 0xF6: // ITU-I Rec. H.222.1 type C
case 0xF7: // ITU-I Rec. H.222.1 type D
case 0xF8: // ITU-I Rec. H.222.1 type E
case 0xF9: // ancilliary stream
case 0xFA: // ISO/IEC 14496-1 SL-packtized stream
case 0xFB: // ISO/IEC 14496-1 FlexMux stream
case 0xFC: // metadata stream
case 0xFD: // extended stream ID
case 0xFE: // reserved data stream
case 0xFF: // program stream directory
// ignore
break;
default:
// ignore
break;
}
} while (true);
// // Temporary hack to account for interleaving overhead:
// if (!empty($info['video']['bitrate']) && !empty($info['audio']['bitrate'])) {
// $info['playtime_seconds'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / ($info['video']['bitrate'] + $info['audio']['bitrate']);
//
// // Interleaved MPEG audio/video files have a certain amount of overhead that varies
// // by both video and audio bitrates, and not in any sensible, linear/logarithmic pattern
// // Use interpolated lookup tables to approximately guess how much is overhead, because
// // playtime is calculated as filesize / total-bitrate
// $info['playtime_seconds'] *= self::systemNonOverheadPercentage($info['video']['bitrate'], $info['audio']['bitrate']);
//
// //switch ($info['video']['bitrate']) {
// // case('5000000'):
// // $multiplier = 0.93292642112380355828048824319889;
// // break;
// // case('5500000'):
// // $multiplier = 0.93582895375200989965359777343219;
// // break;
// // case('6000000'):
// // $multiplier = 0.93796247714820932532911373859139;
// // break;
// // case('7000000'):
// // $multiplier = 0.9413264083635103463010117778776;
// // break;
// // default:
// // $multiplier = 1;
// // break;
// //}
// //$info['playtime_seconds'] *= $multiplier;
// //$this->warning('Interleaved MPEG audio/video playtime may be inaccurate. With current hack should be within a few seconds of accurate. Report to info@getid3.org if off by more than 10 seconds.');
// if ($info['video']['bitrate'] < 50000) {
// $this->warning('Interleaved MPEG audio/video playtime may be slightly inaccurate for video bitrates below 100kbps. Except in extreme low-bitrate situations, error should be less than 1%. Report to info@getid3.org if greater than this.');
// }
// }
//
/*
$time_prev = 0;
$byte_prev = 0;
$vbr_bitrates = array();
foreach ($info['mpeg']['group_of_pictures'] as $gopkey => $gopdata) {
$time_this = ($gopdata['time_code_hours'] * 3600) + ($gopdata['time_code_minutes'] * 60) + $gopdata['time_code_seconds'] + ($gopdata['time_code_seconds'] / 30);
$byte_this = $gopdata['byte_offset'];
if ($gopkey > 0) {
if ($time_this > $time_prev) {
$bytedelta = $byte_this - $byte_prev;
$timedelta = $time_this - $time_prev;
$this_bitrate = ($bytedelta * 8) / $timedelta;
echo $gopkey.': ('.number_format($time_prev, 2).'-'.number_format($time_this, 2).') '.number_format($bytedelta).' bytes over '.number_format($timedelta, 3).' seconds = '.number_format($this_bitrate / 1000, 2).'kbps<br>';
$time_prev = $time_this;
$byte_prev = $byte_this;
$vbr_bitrates[] = $this_bitrate;
}
}
}
echo 'average_File_bitrate = '.number_format(array_sum($vbr_bitrates) / count($vbr_bitrates), 1).'<br>';
*/
//echo '<pre>'.print_r($FramesByGOP, true).'</pre>';
if (!empty($info['mpeg']['video']['bitrate_mode']) && ($info['mpeg']['video']['bitrate_mode'] == 'vbr')) {
$last_GOP_id = max(array_keys($FramesByGOP));
$frames_in_last_GOP = count($FramesByGOP[$last_GOP_id]);
$gopdata = &$info['mpeg']['group_of_pictures'][$last_GOP_id];
$info['playtime_seconds'] = ($gopdata['time_code_hours'] * 3600) + ($gopdata['time_code_minutes'] * 60) + $gopdata['time_code_seconds'] + getid3_lib::SafeDiv($gopdata['time_code_pictures'] + $frames_in_last_GOP + 1, $info['mpeg']['video']['frame_rate']);
if (!isset($info['video']['bitrate'])) {
$overall_bitrate = getid3_lib::SafeDiv($info['avdataend'] - $info['avdataoffset'] * 8, $info['playtime_seconds']);
$info['video']['bitrate'] = $overall_bitrate - (isset($info['audio']['bitrate']) ? $info['audio']['bitrate'] : 0);
}
unset($info['mpeg']['group_of_pictures']);
}
return true;
}
/**
* @param string $bitstream
* @param int $bitstreamoffset
* @param int $bits_to_read
* @param bool $return_singlebit_as_boolean
*
* @return bool|int
*/
private function readBitsFromStream(&$bitstream, &$bitstreamoffset, $bits_to_read, $return_singlebit_as_boolean=true) {
$return = bindec(substr($bitstream, $bitstreamoffset, $bits_to_read));
$bitstreamoffset += $bits_to_read;
if (($bits_to_read == 1) && $return_singlebit_as_boolean) {
$return = (bool) $return;
}
return $return;
}
/**
* @param int $VideoBitrate
* @param int $AudioBitrate
*
* @return float|int
*/
public static function systemNonOverheadPercentage($VideoBitrate, $AudioBitrate) {
$OverheadPercentage = 0;
$AudioBitrate = max(min($AudioBitrate / 1000, 384), 32); // limit to range of 32kbps - 384kbps (should be only legal bitrates, but maybe VBR?)
$VideoBitrate = max(min($VideoBitrate / 1000, 10000), 10); // limit to range of 10kbps - 10Mbps (beyond that curves flatten anyways, no big loss)
$OverheadMultiplierByBitrate = array();
//OMBB[audiobitrate] = array(video-10kbps, video-100kbps, video-1000kbps, video-10000kbps)
$OverheadMultiplierByBitrate[32] = array(0, 0.9676287944368530, 0.9802276264360310, 0.9844916183244460, 0.9852821845179940);
$OverheadMultiplierByBitrate[48] = array(0, 0.9779100089209830, 0.9787770035359320, 0.9846738664076130, 0.9852683013799960);
$OverheadMultiplierByBitrate[56] = array(0, 0.9731249855367600, 0.9776624308938040, 0.9832606361852130, 0.9843922606633340);
$OverheadMultiplierByBitrate[64] = array(0, 0.9755642683275760, 0.9795256705493390, 0.9836573009193170, 0.9851122539404470);
$OverheadMultiplierByBitrate[96] = array(0, 0.9788025247497290, 0.9798553314148700, 0.9822956869792560, 0.9834815119124690);
$OverheadMultiplierByBitrate[128] = array(0, 0.9816940050925480, 0.9821675936072120, 0.9829756927470870, 0.9839763420152050);
$OverheadMultiplierByBitrate[160] = array(0, 0.9825894094561180, 0.9820913399073960, 0.9823907143253970, 0.9832821783651570);
$OverheadMultiplierByBitrate[192] = array(0, 0.9832038474336260, 0.9825731694317960, 0.9821028622712400, 0.9828262076447620);
$OverheadMultiplierByBitrate[224] = array(0, 0.9836516298538770, 0.9824718601823890, 0.9818302180625380, 0.9823735101626480);
$OverheadMultiplierByBitrate[256] = array(0, 0.9845863022094920, 0.9837229411967540, 0.9824521662210830, 0.9828645172100790);
$OverheadMultiplierByBitrate[320] = array(0, 0.9849565280263180, 0.9837683142805110, 0.9822885275960400, 0.9824424382727190);
$OverheadMultiplierByBitrate[384] = array(0, 0.9856094774357600, 0.9844573394432720, 0.9825970399837330, 0.9824673808303890);
$BitrateToUseMin = 32;
$BitrateToUseMax = 32;
$previousBitrate = 32;
foreach ($OverheadMultiplierByBitrate as $key => $value) {
if ($AudioBitrate >= $previousBitrate) {
$BitrateToUseMin = $previousBitrate;
}
if ($AudioBitrate < $key) {
$BitrateToUseMax = $key;
break;
}
$previousBitrate = $key;
}
$FactorA = ($BitrateToUseMax - $AudioBitrate) / ($BitrateToUseMax - $BitrateToUseMin);
$VideoBitrateLog10 = log10($VideoBitrate);
$VideoFactorMin1 = $OverheadMultiplierByBitrate[$BitrateToUseMin][floor($VideoBitrateLog10)];
$VideoFactorMin2 = $OverheadMultiplierByBitrate[$BitrateToUseMax][floor($VideoBitrateLog10)];
$VideoFactorMax1 = $OverheadMultiplierByBitrate[$BitrateToUseMin][ceil($VideoBitrateLog10)];
$VideoFactorMax2 = $OverheadMultiplierByBitrate[$BitrateToUseMax][ceil($VideoBitrateLog10)];
$FactorV = $VideoBitrateLog10 - floor($VideoBitrateLog10);
$OverheadPercentage = $VideoFactorMin1 * $FactorA * $FactorV;
$OverheadPercentage += $VideoFactorMin2 * (1 - $FactorA) * $FactorV;
$OverheadPercentage += $VideoFactorMax1 * $FactorA * (1 - $FactorV);
$OverheadPercentage += $VideoFactorMax2 * (1 - $FactorA) * (1 - $FactorV);
return $OverheadPercentage;
}
/**
* @param int $rawframerate
*
* @return float
*/
public static function videoFramerateLookup($rawframerate) {
$lookup = array(0, 23.976, 24, 25, 29.97, 30, 50, 59.94, 60);
return (float) (isset($lookup[$rawframerate]) ? $lookup[$rawframerate] : 0);
}
/**
* @param int $rawaspectratio
* @param int $mpeg_version
* @param int $width
* @param int $height
*
* @return float
*/
public static function videoAspectRatioLookup($rawaspectratio, $mpeg_version=1, $width=0, $height=0) {
// Per http://forum.doom9.org/archive/index.php/t-84400.html
// 0.9157 is commonly accepted to mean 11/12 or .9166, the reciprocal of 12/11 (1.091) and,
// 1.0950 is commonly accepted to mean 11/10 or 1.1, the reciprocal of 10/11 (0.909)
$lookup = array(
1 => array(0, 1, 0.6735, 0.7031, 0.7615, 0.8055, 0.8437, 0.8935, 11/12, 0.9815, 1.0255, 1.0695, 11/10, 1.1575, 1.2015, 0),
2 => array(0, 1, 1.3333, 1.7778, 2.2100, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
);
$ratio = (float) (isset($lookup[$mpeg_version][$rawaspectratio]) ? $lookup[$mpeg_version][$rawaspectratio] : 0);
if ($mpeg_version == 2 && $ratio != 1 && $width != 0) {
// Calculate pixel aspect ratio from MPEG-2 display aspect ratio
$ratio = $ratio * $height / $width;
} else if ($mpeg_version == 1 && $ratio !== 0.0) {
// The MPEG-1 tables store the reciprocal of the pixel aspect ratio.
$ratio = 1.0 / $ratio;
}
return $ratio;
}
/**
* @param int $rawaspectratio
* @param int $mpeg_version
*
* @return string
*/
public static function videoAspectRatioTextLookup($rawaspectratio, $mpeg_version=1) {
$lookup = array(
1 => array('forbidden', 'square pixels', '0.6735', '16:9, 625 line, PAL', '0.7615', '0.8055', '16:9, 525 line, NTSC', '0.8935', '4:3, 625 line, PAL, CCIR601', '0.9815', '1.0255', '1.0695', '4:3, 525 line, NTSC, CCIR601', '1.1575', '1.2015', 'reserved'),
2 => array('forbidden', 'square pixels', '4:3', '16:9', '2.21:1', 'reserved', 'reserved', 'reserved', 'reserved', 'reserved', 'reserved', 'reserved', 'reserved', 'reserved', 'reserved', 'reserved'), // http://dvd.sourceforge.net/dvdinfo/mpeghdrs.html
);
return (isset($lookup[$mpeg_version][$rawaspectratio]) ? $lookup[$mpeg_version][$rawaspectratio] : '');
}
/**
* @param int $video_format
*
* @return string
*/
public static function videoFormatTextLookup($video_format) {
// ISO/IEC 13818-2, section 6.3.6, Table 6-6. Meaning of video_format
$lookup = array('component', 'PAL', 'NTSC', 'SECAM', 'MAC', 'Unspecified video format', 'reserved(6)', 'reserved(7)');
return (isset($lookup[$video_format]) ? $lookup[$video_format] : '');
}
/**
* @param int $scalable_mode
*
* @return string
*/
public static function scalableModeTextLookup($scalable_mode) {
// ISO/IEC 13818-2, section 6.3.8, Table 6-10. Definition of scalable_mode
$lookup = array('data partitioning', 'spatial scalability', 'SNR scalability', 'temporal scalability');
return (isset($lookup[$scalable_mode]) ? $lookup[$scalable_mode] : '');
}
/**
* @param int $picture_structure
*
* @return string
*/
public static function pictureStructureTextLookup($picture_structure) {
// ISO/IEC 13818-2, section 6.3.11, Table 6-14 Meaning of picture_structure
$lookup = array('reserved', 'Top Field', 'Bottom Field', 'Frame picture');
return (isset($lookup[$picture_structure]) ? $lookup[$picture_structure] : '');
}
/**
* @param int $chroma_format
*
* @return string
*/
public static function chromaFormatTextLookup($chroma_format) {
// ISO/IEC 13818-2, section 6.3.11, Table 6-14 Meaning of picture_structure
$lookup = array('reserved', '4:2:0', '4:2:2', '4:4:4');
return (isset($lookup[$chroma_format]) ? $lookup[$chroma_format] : '');
}
}

View File

@ -0,0 +1,243 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.nsv.php //
// module for analyzing Nullsoft NSV files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_nsv extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$NSVheader = $this->fread(4);
switch ($NSVheader) {
case 'NSVs':
if ($this->getNSVsHeaderFilepointer(0)) {
$info['fileformat'] = 'nsv';
$info['audio']['dataformat'] = 'nsv';
$info['video']['dataformat'] = 'nsv';
$info['audio']['lossless'] = false;
$info['video']['lossless'] = false;
}
break;
case 'NSVf':
if ($this->getNSVfHeaderFilepointer(0)) {
$info['fileformat'] = 'nsv';
$info['audio']['dataformat'] = 'nsv';
$info['video']['dataformat'] = 'nsv';
$info['audio']['lossless'] = false;
$info['video']['lossless'] = false;
$this->getNSVsHeaderFilepointer($info['nsv']['NSVf']['header_length']);
}
break;
default:
$this->error('Expecting "NSVs" or "NSVf" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($NSVheader).'"');
return false;
}
if (!isset($info['nsv']['NSVf'])) {
$this->warning('NSVf header not present - cannot calculate playtime or bitrate');
}
return true;
}
/**
* @param int $fileoffset
*
* @return bool
*/
public function getNSVsHeaderFilepointer($fileoffset) {
$info = &$this->getid3->info;
$this->fseek($fileoffset);
$NSVsheader = $this->fread(28);
$offset = 0;
$info['nsv']['NSVs']['identifier'] = substr($NSVsheader, $offset, 4);
$offset += 4;
if ($info['nsv']['NSVs']['identifier'] != 'NSVs') {
$this->error('expected "NSVs" at offset ('.$fileoffset.'), found "'.$info['nsv']['NSVs']['identifier'].'" instead');
unset($info['nsv']['NSVs']);
return false;
}
$info['nsv']['NSVs']['offset'] = $fileoffset;
$info['nsv']['NSVs']['video_codec'] = substr($NSVsheader, $offset, 4);
$offset += 4;
$info['nsv']['NSVs']['audio_codec'] = substr($NSVsheader, $offset, 4);
$offset += 4;
$info['nsv']['NSVs']['resolution_x'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 2));
$offset += 2;
$info['nsv']['NSVs']['resolution_y'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 2));
$offset += 2;
$info['nsv']['NSVs']['framerate_index'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
//$info['nsv']['NSVs']['unknown1b'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
//$info['nsv']['NSVs']['unknown1c'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
//$info['nsv']['NSVs']['unknown1d'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
//$info['nsv']['NSVs']['unknown2a'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
//$info['nsv']['NSVs']['unknown2b'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
//$info['nsv']['NSVs']['unknown2c'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
//$info['nsv']['NSVs']['unknown2d'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
switch ($info['nsv']['NSVs']['audio_codec']) {
case 'PCM ':
$info['nsv']['NSVs']['bits_channel'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
$info['nsv']['NSVs']['channels'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 1));
$offset += 1;
$info['nsv']['NSVs']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 2));
$offset += 2;
$info['audio']['sample_rate'] = $info['nsv']['NSVs']['sample_rate'];
break;
case 'MP3 ':
case 'NONE':
default:
//$info['nsv']['NSVs']['unknown3'] = getid3_lib::LittleEndian2Int(substr($NSVsheader, $offset, 4));
$offset += 4;
break;
}
$info['video']['resolution_x'] = $info['nsv']['NSVs']['resolution_x'];
$info['video']['resolution_y'] = $info['nsv']['NSVs']['resolution_y'];
$info['nsv']['NSVs']['frame_rate'] = $this->NSVframerateLookup($info['nsv']['NSVs']['framerate_index']);
$info['video']['frame_rate'] = $info['nsv']['NSVs']['frame_rate'];
$info['video']['bits_per_sample'] = 24;
$info['video']['pixel_aspect_ratio'] = (float) 1;
return true;
}
/**
* @param int $fileoffset
* @param bool $getTOCoffsets
*
* @return bool
*/
public function getNSVfHeaderFilepointer($fileoffset, $getTOCoffsets=false) {
$info = &$this->getid3->info;
$this->fseek($fileoffset);
$NSVfheader = $this->fread(28);
$offset = 0;
$info['nsv']['NSVf']['identifier'] = substr($NSVfheader, $offset, 4);
$offset += 4;
if ($info['nsv']['NSVf']['identifier'] != 'NSVf') {
$this->error('expected "NSVf" at offset ('.$fileoffset.'), found "'.$info['nsv']['NSVf']['identifier'].'" instead');
unset($info['nsv']['NSVf']);
return false;
}
$info['nsv']['NSVs']['offset'] = $fileoffset;
$info['nsv']['NSVf']['header_length'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
$offset += 4;
$info['nsv']['NSVf']['file_size'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
$offset += 4;
if ($info['nsv']['NSVf']['file_size'] > $info['avdataend']) {
$this->warning('truncated file - NSVf header indicates '.$info['nsv']['NSVf']['file_size'].' bytes, file actually '.$info['avdataend'].' bytes');
}
$info['nsv']['NSVf']['playtime_ms'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
$offset += 4;
$info['nsv']['NSVf']['meta_size'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
$offset += 4;
$info['nsv']['NSVf']['TOC_entries_1'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
$offset += 4;
$info['nsv']['NSVf']['TOC_entries_2'] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
$offset += 4;
if ($info['nsv']['NSVf']['playtime_ms'] == 0) {
$this->error('Corrupt NSV file: NSVf.playtime_ms == zero');
return false;
}
$NSVfheader .= $this->fread($info['nsv']['NSVf']['meta_size'] + (4 * $info['nsv']['NSVf']['TOC_entries_1']) + (4 * $info['nsv']['NSVf']['TOC_entries_2']));
$NSVfheaderlength = strlen($NSVfheader);
$info['nsv']['NSVf']['metadata'] = substr($NSVfheader, $offset, $info['nsv']['NSVf']['meta_size']);
$offset += $info['nsv']['NSVf']['meta_size'];
if ($getTOCoffsets) {
$TOCcounter = 0;
while ($TOCcounter < $info['nsv']['NSVf']['TOC_entries_1']) {
if ($TOCcounter < $info['nsv']['NSVf']['TOC_entries_1']) {
$info['nsv']['NSVf']['TOC_1'][$TOCcounter] = getid3_lib::LittleEndian2Int(substr($NSVfheader, $offset, 4));
$offset += 4;
$TOCcounter++;
}
}
}
if (trim($info['nsv']['NSVf']['metadata']) != '') {
$info['nsv']['NSVf']['metadata'] = str_replace('`', "\x01", $info['nsv']['NSVf']['metadata']);
$CommentPairArray = explode("\x01".' ', $info['nsv']['NSVf']['metadata']);
foreach ($CommentPairArray as $CommentPair) {
if (strstr($CommentPair, '='."\x01")) {
list($key, $value) = explode('='."\x01", $CommentPair, 2);
$info['nsv']['comments'][strtolower($key)][] = trim(str_replace("\x01", '', $value));
}
}
}
$info['playtime_seconds'] = $info['nsv']['NSVf']['playtime_ms'] / 1000;
$info['bitrate'] = getid3_lib::SafeDiv($info['nsv']['NSVf']['file_size'] * 8, $info['playtime_seconds']);
return true;
}
/**
* @param int $framerateindex
*
* @return float|false
*/
public static function NSVframerateLookup($framerateindex) {
if ($framerateindex <= 127) {
return (float) $framerateindex;
}
static $NSVframerateLookup = array();
if (empty($NSVframerateLookup)) {
$NSVframerateLookup[129] = 29.970;
$NSVframerateLookup[131] = 23.976;
$NSVframerateLookup[133] = 14.985;
$NSVframerateLookup[197] = 59.940;
$NSVframerateLookup[199] = 47.952;
}
return (isset($NSVframerateLookup[$framerateindex]) ? $NSVframerateLookup[$framerateindex] : false);
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,551 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio-video.real.php //
// module for analyzing Real Audio/Video files //
// dependencies: module.audio-video.riff.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
class getid3_real extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'real';
$info['bitrate'] = 0;
$info['playtime_seconds'] = 0;
$this->fseek($info['avdataoffset']);
$ChunkCounter = 0;
while ($this->ftell() < $info['avdataend']) {
$ChunkData = $this->fread(8);
$ChunkName = substr($ChunkData, 0, 4);
$ChunkSize = getid3_lib::BigEndian2Int(substr($ChunkData, 4, 4));
if ($ChunkName == '.ra'."\xFD") {
$ChunkData .= $this->fread($ChunkSize - 8);
if ($this->ParseOldRAheader(substr($ChunkData, 0, 128), $info['real']['old_ra_header'])) {
$info['audio']['dataformat'] = 'real';
$info['audio']['lossless'] = false;
$info['audio']['sample_rate'] = $info['real']['old_ra_header']['sample_rate'];
$info['audio']['bits_per_sample'] = $info['real']['old_ra_header']['bits_per_sample'];
$info['audio']['channels'] = $info['real']['old_ra_header']['channels'];
if ($info['real']['old_ra_header']['bytes_per_minute']) {
$info['playtime_seconds'] = 60 * ($info['real']['old_ra_header']['audio_bytes'] / $info['real']['old_ra_header']['bytes_per_minute']);
$info['audio']['bitrate'] = 8 * ($info['real']['old_ra_header']['audio_bytes'] / $info['playtime_seconds']);
} else {
$info['playtime_seconds'] = 0;
$info['audio']['bitrate'] = 0;
}
$info['audio']['codec'] = $this->RealAudioCodecFourCClookup($info['real']['old_ra_header']['fourcc'], $info['audio']['bitrate']);
foreach ($info['real']['old_ra_header']['comments'] as $key => $valuearray) {
if (strlen(trim($valuearray[0])) > 0) {
$info['real']['comments'][$key][] = trim($valuearray[0]);
}
}
return true;
}
$this->error('There was a problem parsing this RealAudio file. Please submit it for analysis to info@getid3.org');
unset($info['bitrate']);
unset($info['playtime_seconds']);
return false;
}
// shortcut
$info['real']['chunks'][$ChunkCounter] = array();
$thisfile_real_chunks_currentchunk = &$info['real']['chunks'][$ChunkCounter];
$thisfile_real_chunks_currentchunk['name'] = $ChunkName;
$thisfile_real_chunks_currentchunk['offset'] = $this->ftell() - 8;
$thisfile_real_chunks_currentchunk['length'] = $ChunkSize;
if (($thisfile_real_chunks_currentchunk['offset'] + $thisfile_real_chunks_currentchunk['length']) > $info['avdataend']) {
$this->warning('Chunk "'.$thisfile_real_chunks_currentchunk['name'].'" at offset '.$thisfile_real_chunks_currentchunk['offset'].' claims to be '.$thisfile_real_chunks_currentchunk['length'].' bytes long, which is beyond end of file');
return false;
}
if ($ChunkSize > ($this->getid3->fread_buffer_size() + 8)) {
$ChunkData .= $this->fread($this->getid3->fread_buffer_size() - 8);
$this->fseek($thisfile_real_chunks_currentchunk['offset'] + $ChunkSize);
} elseif(($ChunkSize - 8) > 0) {
$ChunkData .= $this->fread($ChunkSize - 8);
}
$offset = 8;
switch ($ChunkName) {
case '.RMF': // RealMedia File Header
$thisfile_real_chunks_currentchunk['object_version'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
switch ($thisfile_real_chunks_currentchunk['object_version']) {
case 0:
$thisfile_real_chunks_currentchunk['file_version'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['headers_count'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
break;
default:
//$this->warning('Expected .RMF-object_version to be "0", actual value is "'.$thisfile_real_chunks_currentchunk['object_version'].'" (should not be a problem)');
break;
}
break;
case 'PROP': // Properties Header
$thisfile_real_chunks_currentchunk['object_version'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
$thisfile_real_chunks_currentchunk['max_bit_rate'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['avg_bit_rate'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['max_packet_size'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['avg_packet_size'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['num_packets'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['duration'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['preroll'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['index_offset'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['data_offset'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['num_streams'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$thisfile_real_chunks_currentchunk['flags_raw'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$info['playtime_seconds'] = $thisfile_real_chunks_currentchunk['duration'] / 1000;
if ($thisfile_real_chunks_currentchunk['duration'] > 0) {
$info['bitrate'] += $thisfile_real_chunks_currentchunk['avg_bit_rate'];
}
$thisfile_real_chunks_currentchunk['flags']['save_enabled'] = (bool) ($thisfile_real_chunks_currentchunk['flags_raw'] & 0x0001);
$thisfile_real_chunks_currentchunk['flags']['perfect_play'] = (bool) ($thisfile_real_chunks_currentchunk['flags_raw'] & 0x0002);
$thisfile_real_chunks_currentchunk['flags']['live_broadcast'] = (bool) ($thisfile_real_chunks_currentchunk['flags_raw'] & 0x0004);
}
break;
case 'MDPR': // Media Properties Header
$thisfile_real_chunks_currentchunk['object_version'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
$thisfile_real_chunks_currentchunk['stream_number'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$thisfile_real_chunks_currentchunk['max_bit_rate'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['avg_bit_rate'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['max_packet_size'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['avg_packet_size'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['start_time'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['preroll'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['duration'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['stream_name_size'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 1));
$offset += 1;
$thisfile_real_chunks_currentchunk['stream_name'] = substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['stream_name_size']);
$offset += $thisfile_real_chunks_currentchunk['stream_name_size'];
$thisfile_real_chunks_currentchunk['mime_type_size'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 1));
$offset += 1;
$thisfile_real_chunks_currentchunk['mime_type'] = substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['mime_type_size']);
$offset += $thisfile_real_chunks_currentchunk['mime_type_size'];
$thisfile_real_chunks_currentchunk['type_specific_len'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['type_specific_data'] = substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['type_specific_len']);
$offset += $thisfile_real_chunks_currentchunk['type_specific_len'];
// shortcut
$thisfile_real_chunks_currentchunk_typespecificdata = &$thisfile_real_chunks_currentchunk['type_specific_data'];
switch ($thisfile_real_chunks_currentchunk['mime_type']) {
case 'video/x-pn-realvideo':
case 'video/x-pn-multirate-realvideo':
// http://www.freelists.org/archives/matroska-devel/07-2003/msg00010.html
// shortcut
$thisfile_real_chunks_currentchunk['video_info'] = array();
$thisfile_real_chunks_currentchunk_videoinfo = &$thisfile_real_chunks_currentchunk['video_info'];
$thisfile_real_chunks_currentchunk_videoinfo['dwSize'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 0, 4));
$thisfile_real_chunks_currentchunk_videoinfo['fourcc1'] = substr($thisfile_real_chunks_currentchunk_typespecificdata, 4, 4);
$thisfile_real_chunks_currentchunk_videoinfo['fourcc2'] = substr($thisfile_real_chunks_currentchunk_typespecificdata, 8, 4);
$thisfile_real_chunks_currentchunk_videoinfo['width'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 12, 2));
$thisfile_real_chunks_currentchunk_videoinfo['height'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 14, 2));
$thisfile_real_chunks_currentchunk_videoinfo['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 16, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown1'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 18, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown2'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 20, 2));
$thisfile_real_chunks_currentchunk_videoinfo['frames_per_second'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 22, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown3'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 24, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown4'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 26, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown5'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 28, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown6'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 30, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown7'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 32, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown8'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 34, 2));
//$thisfile_real_chunks_currentchunk_videoinfo['unknown9'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 36, 2));
$thisfile_real_chunks_currentchunk_videoinfo['codec'] = getid3_riff::fourccLookup($thisfile_real_chunks_currentchunk_videoinfo['fourcc2']);
$info['video']['resolution_x'] = $thisfile_real_chunks_currentchunk_videoinfo['width'];
$info['video']['resolution_y'] = $thisfile_real_chunks_currentchunk_videoinfo['height'];
$info['video']['frame_rate'] = (float) $thisfile_real_chunks_currentchunk_videoinfo['frames_per_second'];
$info['video']['codec'] = $thisfile_real_chunks_currentchunk_videoinfo['codec'];
$info['video']['bits_per_sample'] = $thisfile_real_chunks_currentchunk_videoinfo['bits_per_sample'];
break;
case 'audio/x-pn-realaudio':
case 'audio/x-pn-multirate-realaudio':
$this->ParseOldRAheader($thisfile_real_chunks_currentchunk_typespecificdata, $parsedAudioData);
$thisfile_real_chunks_currentchunk['parsed_audio_data'] = &$parsedAudioData;
$info['audio']['sample_rate'] = $thisfile_real_chunks_currentchunk['parsed_audio_data']['sample_rate'];
$info['audio']['bits_per_sample'] = $thisfile_real_chunks_currentchunk['parsed_audio_data']['bits_per_sample'];
$info['audio']['channels'] = $thisfile_real_chunks_currentchunk['parsed_audio_data']['channels'];
if (!empty($info['audio']['dataformat'])) {
foreach ($info['audio'] as $key => $value) {
if ($key != 'streams') {
$info['audio']['streams'][$thisfile_real_chunks_currentchunk['stream_number']][$key] = $value;
}
}
}
break;
case 'logical-fileinfo':
// shortcut
$thisfile_real_chunks_currentchunk['logical_fileinfo'] = array();
$thisfile_real_chunks_currentchunk_logicalfileinfo = &$thisfile_real_chunks_currentchunk['logical_fileinfo'];
$thisfile_real_chunks_currentchunk_logicalfileinfo_offset = 0;
$thisfile_real_chunks_currentchunk_logicalfileinfo['logical_fileinfo_length'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
$thisfile_real_chunks_currentchunk_logicalfileinfo_offset += 4;
//$thisfile_real_chunks_currentchunk_logicalfileinfo['unknown1'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
$thisfile_real_chunks_currentchunk_logicalfileinfo_offset += 4;
$thisfile_real_chunks_currentchunk_logicalfileinfo['num_tags'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
$thisfile_real_chunks_currentchunk_logicalfileinfo_offset += 4;
//$thisfile_real_chunks_currentchunk_logicalfileinfo['unknown2'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
$thisfile_real_chunks_currentchunk_logicalfileinfo_offset += 4;
//$thisfile_real_chunks_currentchunk_logicalfileinfo['d'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 1));
//$thisfile_real_chunks_currentchunk_logicalfileinfo['one_type'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
//$thisfile_real_chunks_currentchunk_logicalfileinfo_thislength = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 4 + $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 2));
//$thisfile_real_chunks_currentchunk_logicalfileinfo['one'] = substr($thisfile_real_chunks_currentchunk_typespecificdata, 6 + $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, $thisfile_real_chunks_currentchunk_logicalfileinfo_thislength);
//$thisfile_real_chunks_currentchunk_logicalfileinfo_offset += (6 + $thisfile_real_chunks_currentchunk_logicalfileinfo_thislength);
break;
}
if (empty($info['playtime_seconds'])) {
$info['playtime_seconds'] = max($info['playtime_seconds'], ($thisfile_real_chunks_currentchunk['duration'] + $thisfile_real_chunks_currentchunk['start_time']) / 1000);
}
if ($thisfile_real_chunks_currentchunk['duration'] > 0) {
switch ($thisfile_real_chunks_currentchunk['mime_type']) {
case 'audio/x-pn-realaudio':
case 'audio/x-pn-multirate-realaudio':
$info['audio']['bitrate'] = (isset($info['audio']['bitrate']) ? $info['audio']['bitrate'] : 0) + $thisfile_real_chunks_currentchunk['avg_bit_rate'];
$info['audio']['codec'] = $this->RealAudioCodecFourCClookup($thisfile_real_chunks_currentchunk['parsed_audio_data']['fourcc'], $info['audio']['bitrate']);
$info['audio']['dataformat'] = 'real';
$info['audio']['lossless'] = false;
break;
case 'video/x-pn-realvideo':
case 'video/x-pn-multirate-realvideo':
$info['video']['bitrate'] = (isset($info['video']['bitrate']) ? $info['video']['bitrate'] : 0) + $thisfile_real_chunks_currentchunk['avg_bit_rate'];
$info['video']['bitrate_mode'] = 'cbr';
$info['video']['dataformat'] = 'real';
$info['video']['lossless'] = false;
$info['video']['pixel_aspect_ratio'] = (float) 1;
break;
case 'audio/x-ralf-mpeg4-generic':
$info['audio']['bitrate'] = (isset($info['audio']['bitrate']) ? $info['audio']['bitrate'] : 0) + $thisfile_real_chunks_currentchunk['avg_bit_rate'];
$info['audio']['codec'] = 'RealAudio Lossless';
$info['audio']['dataformat'] = 'real';
$info['audio']['lossless'] = true;
break;
}
$info['bitrate'] = (isset($info['video']['bitrate']) ? $info['video']['bitrate'] : 0) + (isset($info['audio']['bitrate']) ? $info['audio']['bitrate'] : 0);
}
}
break;
case 'CONT': // Content Description Header (text comments)
$thisfile_real_chunks_currentchunk['object_version'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
$thisfile_real_chunks_currentchunk['title_len'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$thisfile_real_chunks_currentchunk['title'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['title_len']);
$offset += $thisfile_real_chunks_currentchunk['title_len'];
$thisfile_real_chunks_currentchunk['artist_len'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$thisfile_real_chunks_currentchunk['artist'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['artist_len']);
$offset += $thisfile_real_chunks_currentchunk['artist_len'];
$thisfile_real_chunks_currentchunk['copyright_len'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$thisfile_real_chunks_currentchunk['copyright'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['copyright_len']);
$offset += $thisfile_real_chunks_currentchunk['copyright_len'];
$thisfile_real_chunks_currentchunk['comment_len'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$thisfile_real_chunks_currentchunk['comment'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['comment_len']);
$offset += $thisfile_real_chunks_currentchunk['comment_len'];
$commentkeystocopy = array('title'=>'title', 'artist'=>'artist', 'copyright'=>'copyright', 'comment'=>'comment');
foreach ($commentkeystocopy as $key => $val) {
if ($thisfile_real_chunks_currentchunk[$key]) {
$info['real']['comments'][$val][] = trim($thisfile_real_chunks_currentchunk[$key]);
}
}
}
break;
case 'DATA': // Data Chunk Header
// do nothing
break;
case 'INDX': // Index Section Header
$thisfile_real_chunks_currentchunk['object_version'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
$thisfile_real_chunks_currentchunk['num_indices'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
$thisfile_real_chunks_currentchunk['stream_number'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 2));
$offset += 2;
$thisfile_real_chunks_currentchunk['next_index_header'] = getid3_lib::BigEndian2Int(substr($ChunkData, $offset, 4));
$offset += 4;
if ($thisfile_real_chunks_currentchunk['next_index_header'] == 0) {
// last index chunk found, ignore rest of file
break 2;
} else {
// non-last index chunk, seek to next index chunk (skipping actual index data)
$this->fseek($thisfile_real_chunks_currentchunk['next_index_header']);
}
}
break;
default:
$this->warning('Unhandled RealMedia chunk "'.$ChunkName.'" at offset '.$thisfile_real_chunks_currentchunk['offset']);
break;
}
$ChunkCounter++;
}
if (!empty($info['audio']['streams'])) {
$info['audio']['bitrate'] = 0;
foreach ($info['audio']['streams'] as $key => $valuearray) {
$info['audio']['bitrate'] += $valuearray['bitrate'];
}
}
return true;
}
/**
* @param string $OldRAheaderData
* @param array $ParsedArray
*
* @return bool
*/
public function ParseOldRAheader($OldRAheaderData, &$ParsedArray) {
// http://www.freelists.org/archives/matroska-devel/07-2003/msg00010.html
$ParsedArray = array();
$ParsedArray['magic'] = substr($OldRAheaderData, 0, 4);
if ($ParsedArray['magic'] != '.ra'."\xFD") {
return false;
}
$ParsedArray['version1'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 4, 2));
if ($ParsedArray['version1'] < 3) {
return false;
} elseif ($ParsedArray['version1'] == 3) {
$ParsedArray['fourcc1'] = '.ra3';
$ParsedArray['bits_per_sample'] = 16; // hard-coded for old versions?
$ParsedArray['sample_rate'] = 8000; // hard-coded for old versions?
$ParsedArray['header_size'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 6, 2));
$ParsedArray['channels'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 8, 2)); // always 1 (?)
//$ParsedArray['unknown1'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 10, 2));
//$ParsedArray['unknown2'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 12, 2));
//$ParsedArray['unknown3'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 14, 2));
$ParsedArray['bytes_per_minute'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 16, 2));
$ParsedArray['audio_bytes'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 18, 4));
$ParsedArray['comments_raw'] = substr($OldRAheaderData, 22, $ParsedArray['header_size'] - 22 + 1); // not including null terminator
$commentoffset = 0;
$commentlength = getid3_lib::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++, 1));
$ParsedArray['comments']['title'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
$commentoffset += $commentlength;
$commentlength = getid3_lib::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++, 1));
$ParsedArray['comments']['artist'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
$commentoffset += $commentlength;
$commentlength = getid3_lib::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++, 1));
$ParsedArray['comments']['copyright'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
$commentoffset += $commentlength;
$commentoffset++; // final null terminator (?)
$commentoffset++; // fourcc length (?) should be 4
$ParsedArray['fourcc'] = substr($OldRAheaderData, 23 + $commentoffset, 4);
} elseif ($ParsedArray['version1'] <= 5) {
//$ParsedArray['unknown1'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 6, 2));
$ParsedArray['fourcc1'] = substr($OldRAheaderData, 8, 4);
$ParsedArray['file_size'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 12, 4));
$ParsedArray['version2'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 16, 2));
$ParsedArray['header_size'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 18, 4));
$ParsedArray['codec_flavor_id'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 22, 2));
$ParsedArray['coded_frame_size'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 24, 4));
$ParsedArray['audio_bytes'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 28, 4));
$ParsedArray['bytes_per_minute'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 32, 4));
//$ParsedArray['unknown5'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 36, 4));
$ParsedArray['sub_packet_h'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 40, 2));
$ParsedArray['frame_size'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 42, 2));
$ParsedArray['sub_packet_size'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 44, 2));
//$ParsedArray['unknown6'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 46, 2));
switch ($ParsedArray['version1']) {
case 4:
$ParsedArray['sample_rate'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 48, 2));
//$ParsedArray['unknown8'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 50, 2));
$ParsedArray['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 52, 2));
$ParsedArray['channels'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 54, 2));
$ParsedArray['length_fourcc2'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 56, 1));
$ParsedArray['fourcc2'] = substr($OldRAheaderData, 57, 4);
$ParsedArray['length_fourcc3'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 61, 1));
$ParsedArray['fourcc3'] = substr($OldRAheaderData, 62, 4);
//$ParsedArray['unknown9'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 66, 1));
//$ParsedArray['unknown10'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 67, 2));
$ParsedArray['comments_raw'] = substr($OldRAheaderData, 69, $ParsedArray['header_size'] - 69 + 16);
$commentoffset = 0;
$commentlength = getid3_lib::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++, 1));
$ParsedArray['comments']['title'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
$commentoffset += $commentlength;
$commentlength = getid3_lib::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++, 1));
$ParsedArray['comments']['artist'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
$commentoffset += $commentlength;
$commentlength = getid3_lib::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++, 1));
$ParsedArray['comments']['copyright'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
$commentoffset += $commentlength;
break;
case 5:
$ParsedArray['sample_rate'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 48, 4));
$ParsedArray['sample_rate2'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 52, 4));
$ParsedArray['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 56, 4));
$ParsedArray['channels'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 60, 2));
$ParsedArray['genr'] = substr($OldRAheaderData, 62, 4);
$ParsedArray['fourcc3'] = substr($OldRAheaderData, 66, 4);
$ParsedArray['comments'] = array();
break;
}
$ParsedArray['fourcc'] = $ParsedArray['fourcc3'];
}
/** @var string[]|false[] $value */
foreach ($ParsedArray['comments'] as $key => $value) {
if ($value[0] === false) {
$ParsedArray['comments'][$key][0] = '';
}
}
return true;
}
/**
* @param string $fourcc
* @param int $bitrate
*
* @return string
*/
public function RealAudioCodecFourCClookup($fourcc, $bitrate) {
static $RealAudioCodecFourCClookup = array();
if (empty($RealAudioCodecFourCClookup)) {
// http://www.its.msstate.edu/net/real/reports/config/tags.stats
// http://www.freelists.org/archives/matroska-devel/06-2003/fullthread18.html
$RealAudioCodecFourCClookup['14_4'][8000] = 'RealAudio v2 (14.4kbps)';
$RealAudioCodecFourCClookup['14.4'][8000] = 'RealAudio v2 (14.4kbps)';
$RealAudioCodecFourCClookup['lpcJ'][8000] = 'RealAudio v2 (14.4kbps)';
$RealAudioCodecFourCClookup['28_8'][15200] = 'RealAudio v2 (28.8kbps)';
$RealAudioCodecFourCClookup['28.8'][15200] = 'RealAudio v2 (28.8kbps)';
$RealAudioCodecFourCClookup['sipr'][4933] = 'RealAudio v4 (5kbps Voice)';
$RealAudioCodecFourCClookup['sipr'][6444] = 'RealAudio v4 (6.5kbps Voice)';
$RealAudioCodecFourCClookup['sipr'][8444] = 'RealAudio v4 (8.5kbps Voice)';
$RealAudioCodecFourCClookup['sipr'][16000] = 'RealAudio v4 (16kbps Wideband)';
$RealAudioCodecFourCClookup['dnet'][8000] = 'RealAudio v3 (8kbps Music)';
$RealAudioCodecFourCClookup['dnet'][16000] = 'RealAudio v3 (16kbps Music Low Response)';
$RealAudioCodecFourCClookup['dnet'][15963] = 'RealAudio v3 (16kbps Music Mid/High Response)';
$RealAudioCodecFourCClookup['dnet'][20000] = 'RealAudio v3 (20kbps Music Stereo)';
$RealAudioCodecFourCClookup['dnet'][32000] = 'RealAudio v3 (32kbps Music Mono)';
$RealAudioCodecFourCClookup['dnet'][31951] = 'RealAudio v3 (32kbps Music Stereo)';
$RealAudioCodecFourCClookup['dnet'][39965] = 'RealAudio v3 (40kbps Music Mono)';
$RealAudioCodecFourCClookup['dnet'][40000] = 'RealAudio v3 (40kbps Music Stereo)';
$RealAudioCodecFourCClookup['dnet'][79947] = 'RealAudio v3 (80kbps Music Mono)';
$RealAudioCodecFourCClookup['dnet'][80000] = 'RealAudio v3 (80kbps Music Stereo)';
$RealAudioCodecFourCClookup['dnet'][0] = 'RealAudio v3';
$RealAudioCodecFourCClookup['sipr'][0] = 'RealAudio v4';
$RealAudioCodecFourCClookup['cook'][0] = 'RealAudio G2';
$RealAudioCodecFourCClookup['atrc'][0] = 'RealAudio 8';
}
$roundbitrate = intval(round($bitrate));
if (isset($RealAudioCodecFourCClookup[$fourcc][$roundbitrate])) {
return $RealAudioCodecFourCClookup[$fourcc][$roundbitrate];
} elseif (isset($RealAudioCodecFourCClookup[$fourcc][0])) {
return $RealAudioCodecFourCClookup[$fourcc][0];
}
return $fourcc;
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,150 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio-video.swf.php //
// module for analyzing Shockwave Flash files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_swf extends getid3_handler
{
/**
* return all parsed tags if true, otherwise do not return tags not parsed by getID3
*
* @var bool
*/
public $ReturnAllTagData = false;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'swf';
$info['video']['dataformat'] = 'swf';
// http://www.openswf.org/spec/SWFfileformat.html
$this->fseek($info['avdataoffset']);
$SWFfileData = $this->fread($info['avdataend'] - $info['avdataoffset']); // 8 + 2 + 2 + max(9) bytes NOT including Frame_Size RECT data
$info['swf']['header']['signature'] = substr($SWFfileData, 0, 3);
switch ($info['swf']['header']['signature']) {
case 'FWS':
$info['swf']['header']['compressed'] = false;
break;
case 'CWS':
$info['swf']['header']['compressed'] = true;
break;
default:
$this->error('Expecting "FWS" or "CWS" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($info['swf']['header']['signature']).'"');
unset($info['swf']);
unset($info['fileformat']);
return false;
}
$info['swf']['header']['version'] = getid3_lib::LittleEndian2Int(substr($SWFfileData, 3, 1));
$info['swf']['header']['length'] = getid3_lib::LittleEndian2Int(substr($SWFfileData, 4, 4));
if ($info['swf']['header']['compressed']) {
$SWFHead = substr($SWFfileData, 0, 8);
$SWFfileData = substr($SWFfileData, 8);
if ($decompressed = @gzuncompress($SWFfileData)) {
$SWFfileData = $SWFHead.$decompressed;
} else {
$this->error('Error decompressing compressed SWF data ('.strlen($SWFfileData).' bytes compressed, should be '.($info['swf']['header']['length'] - 8).' bytes uncompressed)');
return false;
}
}
$FrameSizeBitsPerValue = (ord(substr($SWFfileData, 8, 1)) & 0xF8) >> 3;
$FrameSizeDataLength = ceil((5 + (4 * $FrameSizeBitsPerValue)) / 8);
$FrameSizeDataString = str_pad(decbin(ord(substr($SWFfileData, 8, 1)) & 0x07), 3, '0', STR_PAD_LEFT);
for ($i = 1; $i < $FrameSizeDataLength; $i++) {
$FrameSizeDataString .= str_pad(decbin(ord(substr($SWFfileData, 8 + $i, 1))), 8, '0', STR_PAD_LEFT);
}
list($X1, $X2, $Y1, $Y2) = explode("\n", wordwrap($FrameSizeDataString, $FrameSizeBitsPerValue, "\n", 1));
$info['swf']['header']['frame_width'] = getid3_lib::Bin2Dec($X2);
$info['swf']['header']['frame_height'] = getid3_lib::Bin2Dec($Y2);
// http://www-lehre.informatik.uni-osnabrueck.de/~fbstark/diplom/docs/swf/Flash_Uncovered.htm
// Next in the header is the frame rate, which is kind of weird.
// It is supposed to be stored as a 16bit integer, but the first byte
// (or last depending on how you look at it) is completely ignored.
// Example: 0x000C -> 0x0C -> 12 So the frame rate is 12 fps.
// Byte at (8 + $FrameSizeDataLength) is always zero and ignored
$info['swf']['header']['frame_rate'] = getid3_lib::LittleEndian2Int(substr($SWFfileData, 9 + $FrameSizeDataLength, 1));
$info['swf']['header']['frame_count'] = getid3_lib::LittleEndian2Int(substr($SWFfileData, 10 + $FrameSizeDataLength, 2));
$info['video']['frame_rate'] = $info['swf']['header']['frame_rate'];
$info['video']['resolution_x'] = intval(round($info['swf']['header']['frame_width'] / 20));
$info['video']['resolution_y'] = intval(round($info['swf']['header']['frame_height'] / 20));
$info['video']['pixel_aspect_ratio'] = (float) 1;
if (($info['swf']['header']['frame_count'] > 0) && ($info['swf']['header']['frame_rate'] > 0)) {
$info['playtime_seconds'] = $info['swf']['header']['frame_count'] / $info['swf']['header']['frame_rate'];
}
//echo __LINE__.'='.number_format(microtime(true) - $start_time, 3).'<br>';
// SWF tags
$CurrentOffset = 12 + $FrameSizeDataLength;
$SWFdataLength = strlen($SWFfileData);
while ($CurrentOffset < $SWFdataLength) {
//echo __LINE__.'='.number_format(microtime(true) - $start_time, 3).'<br>';
$TagIDTagLength = getid3_lib::LittleEndian2Int(substr($SWFfileData, $CurrentOffset, 2));
$TagID = ($TagIDTagLength & 0xFFFC) >> 6;
$TagLength = ($TagIDTagLength & 0x003F);
$CurrentOffset += 2;
if ($TagLength == 0x3F) {
$TagLength = getid3_lib::LittleEndian2Int(substr($SWFfileData, $CurrentOffset, 4));
$CurrentOffset += 4;
}
$TagData = array();
$TagData['offset'] = $CurrentOffset;
$TagData['size'] = $TagLength;
$TagData['id'] = $TagID;
$TagData['data'] = substr($SWFfileData, $CurrentOffset, $TagLength);
switch ($TagID) {
case 0: // end of movie
break 2;
case 9: // Set background color
//$info['swf']['tags'][] = $TagData;
$info['swf']['bgcolor'] = strtoupper(str_pad(dechex(getid3_lib::BigEndian2Int($TagData['data'])), 6, '0', STR_PAD_LEFT));
break;
default:
if ($this->ReturnAllTagData) {
$info['swf']['tags'][] = $TagData;
}
break;
}
$CurrentOffset += $TagLength;
}
return true;
}
}

View File

@ -0,0 +1,88 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio-video.ts.php //
// module for analyzing MPEG Transport Stream (.ts) files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_ts extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$TSheader = $this->fread(19);
$magic = "\x47";
if (substr($TSheader, 0, 1) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at '.$info['avdataoffset'].', found '.getid3_lib::PrintHexBytes(substr($TSheader, 0, 1)).' instead.');
return false;
}
$info['fileformat'] = 'ts';
// http://en.wikipedia.org/wiki/.ts
$offset = 0;
$info['ts']['packet']['sync'] = getid3_lib::BigEndian2Int(substr($TSheader, $offset, 1)); $offset += 1;
$pid_flags_raw = getid3_lib::BigEndian2Int(substr($TSheader, $offset, 2)); $offset += 2;
$SAC_raw = getid3_lib::BigEndian2Int(substr($TSheader, $offset, 1)); $offset += 1;
$info['ts']['packet']['flags']['transport_error_indicator'] = (bool) ($pid_flags_raw & 0x8000); // Set by demodulator if can't correct errors in the stream, to tell the demultiplexer that the packet has an uncorrectable error
$info['ts']['packet']['flags']['payload_unit_start_indicator'] = (bool) ($pid_flags_raw & 0x4000); // 1 means start of PES data or PSI otherwise zero only.
$info['ts']['packet']['flags']['transport_high_priority'] = (bool) ($pid_flags_raw & 0x2000); // 1 means higher priority than other packets with the same PID.
$info['ts']['packet']['packet_id'] = ($pid_flags_raw & 0x1FFF) >> 0;
$info['ts']['packet']['raw']['scrambling_control'] = ($SAC_raw & 0xC0) >> 6;
$info['ts']['packet']['flags']['adaption_field_exists'] = (bool) ($SAC_raw & 0x20);
$info['ts']['packet']['flags']['payload_exists'] = (bool) ($SAC_raw & 0x10);
$info['ts']['packet']['continuity_counter'] = ($SAC_raw & 0x0F) >> 0; // Incremented only when a payload is present
$info['ts']['packet']['scrambling_control'] = $this->TSscramblingControlLookup($info['ts']['packet']['raw']['scrambling_control']);
if ($info['ts']['packet']['flags']['adaption_field_exists']) {
$AdaptionField_raw = getid3_lib::BigEndian2Int(substr($TSheader, $offset, 2)); $offset += 2;
$info['ts']['packet']['adaption']['field_length'] = ($AdaptionField_raw & 0xFF00) >> 8; // Number of bytes in the adaptation field immediately following this byte
$info['ts']['packet']['adaption']['flags']['discontinuity'] = (bool) ($AdaptionField_raw & 0x0080); // Set to 1 if current TS packet is in a discontinuity state with respect to either the continuity counter or the program clock reference
$info['ts']['packet']['adaption']['flags']['random_access'] = (bool) ($AdaptionField_raw & 0x0040); // Set to 1 if the PES packet in this TS packet starts a video/audio sequence
$info['ts']['packet']['adaption']['flags']['high_priority'] = (bool) ($AdaptionField_raw & 0x0020); // 1 = higher priority
$info['ts']['packet']['adaption']['flags']['pcr'] = (bool) ($AdaptionField_raw & 0x0010); // 1 means adaptation field does contain a PCR field
$info['ts']['packet']['adaption']['flags']['opcr'] = (bool) ($AdaptionField_raw & 0x0008); // 1 means adaptation field does contain an OPCR field
$info['ts']['packet']['adaption']['flags']['splice_point'] = (bool) ($AdaptionField_raw & 0x0004); // 1 means presence of splice countdown field in adaptation field
$info['ts']['packet']['adaption']['flags']['private_data'] = (bool) ($AdaptionField_raw & 0x0002); // 1 means presence of private data bytes in adaptation field
$info['ts']['packet']['adaption']['flags']['extension'] = (bool) ($AdaptionField_raw & 0x0001); // 1 means presence of adaptation field extension
if ($info['ts']['packet']['adaption']['flags']['pcr']) {
$info['ts']['packet']['adaption']['raw']['pcr'] = getid3_lib::BigEndian2Int(substr($TSheader, $offset, 6)); $offset += 6;
}
if ($info['ts']['packet']['adaption']['flags']['opcr']) {
$info['ts']['packet']['adaption']['raw']['opcr'] = getid3_lib::BigEndian2Int(substr($TSheader, $offset, 6)); $offset += 6;
}
}
$this->error('MPEG Transport Stream (.ts) parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
/**
* @param int $raw
*
* @return string
*/
public function TSscramblingControlLookup($raw) {
$TSscramblingControlLookup = array(0x00=>'not scrambled', 0x01=>'reserved', 0x02=>'scrambled, even key', 0x03=>'scrambled, odd key');
return (isset($TSscramblingControlLookup[$raw]) ? $TSscramblingControlLookup[$raw] : 'invalid');
}
}

View File

@ -0,0 +1,37 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.wtv.php //
// module for analyzing WTV (Windows Recorded TV Show) //
// audio-video files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_wtv extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'wtv';
$info['video']['dataformat'] = 'wtv';
$this->error('WTV (Windows Recorded TV Show) files not properly processed by this version of getID3() ['.$this->getid3->version().']');
return true;
}
}

View File

@ -0,0 +1,64 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.aa.php //
// module for analyzing Audible Audiobook files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_aa extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$AAheader = $this->fread(8);
$magic = "\x57\x90\x75\x36";
if (substr($AAheader, 4, 4) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($AAheader, 4, 4)).'"');
return false;
}
// shortcut
$info['aa'] = array();
$thisfile_aa = &$info['aa'];
$info['fileformat'] = 'aa';
$info['audio']['dataformat'] = 'aa';
$this->error('Audible Audiobook (.aa) parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
$info['audio']['bitrate_mode'] = 'cbr'; // is it?
$thisfile_aa['encoding'] = 'ISO-8859-1';
$thisfile_aa['filesize'] = getid3_lib::BigEndian2Int(substr($AAheader, 0, 4));
if ($thisfile_aa['filesize'] > ($info['avdataend'] - $info['avdataoffset'])) {
$this->warning('Possible truncated file - expecting "'.$thisfile_aa['filesize'].'" bytes of data, only found '.($info['avdataend'] - $info['avdataoffset']).' bytes"');
}
$info['audio']['bits_per_sample'] = 16; // is it?
$info['audio']['sample_rate'] = $thisfile_aa['sample_rate'];
$info['audio']['channels'] = $thisfile_aa['channels'];
//$info['playtime_seconds'] = 0;
//$info['audio']['bitrate'] = 0;
return true;
}
}

View File

@ -0,0 +1,541 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.aac.php //
// module for analyzing AAC Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_aac extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
if ($this->fread(4) == 'ADIF') {
$this->getAACADIFheaderFilepointer();
} else {
$this->getAACADTSheaderFilepointer();
}
return true;
}
/**
* @return bool
*/
public function getAACADIFheaderFilepointer() {
$info = &$this->getid3->info;
$info['fileformat'] = 'aac';
$info['audio']['dataformat'] = 'aac';
$info['audio']['lossless'] = false;
$this->fseek($info['avdataoffset']);
$AACheader = $this->fread(1024);
$offset = 0;
if (substr($AACheader, 0, 4) == 'ADIF') {
// http://faac.sourceforge.net/wiki/index.php?page=ADIF
// http://libmpeg.org/mpeg4/doc/w2203tfs.pdf
// adif_header() {
// adif_id 32
// copyright_id_present 1
// if( copyright_id_present )
// copyright_id 72
// original_copy 1
// home 1
// bitstream_type 1
// bitrate 23
// num_program_config_elements 4
// for (i = 0; i < num_program_config_elements + 1; i++ ) {
// if( bitstream_type == '0' )
// adif_buffer_fullness 20
// program_config_element()
// }
// }
$AACheaderBitstream = getid3_lib::BigEndian2Bin($AACheader);
$bitoffset = 0;
$info['aac']['header_type'] = 'ADIF';
$bitoffset += 32;
$info['aac']['header']['mpeg_version'] = 4;
$info['aac']['header']['copyright'] = substr($AACheaderBitstream, $bitoffset, 1) == '1';
$bitoffset += 1;
if ($info['aac']['header']['copyright']) {
$info['aac']['header']['copyright_id'] = getid3_lib::Bin2String(substr($AACheaderBitstream, $bitoffset, 72));
$bitoffset += 72;
}
$info['aac']['header']['original_copy'] = substr($AACheaderBitstream, $bitoffset, 1) == '1';
$bitoffset += 1;
$info['aac']['header']['home'] = substr($AACheaderBitstream, $bitoffset, 1) == '1';
$bitoffset += 1;
$info['aac']['header']['is_vbr'] = substr($AACheaderBitstream, $bitoffset, 1) == '1';
$bitoffset += 1;
if ($info['aac']['header']['is_vbr']) {
$info['audio']['bitrate_mode'] = 'vbr';
$info['aac']['header']['bitrate_max'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 23));
$bitoffset += 23;
} else {
$info['audio']['bitrate_mode'] = 'cbr';
$info['aac']['header']['bitrate'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 23));
$bitoffset += 23;
$info['audio']['bitrate'] = $info['aac']['header']['bitrate'];
}
if ($info['audio']['bitrate'] == 0) {
$this->error('Corrupt AAC file: bitrate_audio == zero');
return false;
}
$info['aac']['header']['num_program_configs'] = 1 + getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
for ($i = 0; $i < $info['aac']['header']['num_program_configs']; $i++) {
// http://www.audiocoding.com/wiki/index.php?page=program_config_element
// buffer_fullness 20
// element_instance_tag 4
// object_type 2
// sampling_frequency_index 4
// num_front_channel_elements 4
// num_side_channel_elements 4
// num_back_channel_elements 4
// num_lfe_channel_elements 2
// num_assoc_data_elements 3
// num_valid_cc_elements 4
// mono_mixdown_present 1
// mono_mixdown_element_number 4 if mono_mixdown_present == 1
// stereo_mixdown_present 1
// stereo_mixdown_element_number 4 if stereo_mixdown_present == 1
// matrix_mixdown_idx_present 1
// matrix_mixdown_idx 2 if matrix_mixdown_idx_present == 1
// pseudo_surround_enable 1 if matrix_mixdown_idx_present == 1
// for (i = 0; i < num_front_channel_elements; i++) {
// front_element_is_cpe[i] 1
// front_element_tag_select[i] 4
// }
// for (i = 0; i < num_side_channel_elements; i++) {
// side_element_is_cpe[i] 1
// side_element_tag_select[i] 4
// }
// for (i = 0; i < num_back_channel_elements; i++) {
// back_element_is_cpe[i] 1
// back_element_tag_select[i] 4
// }
// for (i = 0; i < num_lfe_channel_elements; i++) {
// lfe_element_tag_select[i] 4
// }
// for (i = 0; i < num_assoc_data_elements; i++) {
// assoc_data_element_tag_select[i] 4
// }
// for (i = 0; i < num_valid_cc_elements; i++) {
// cc_element_is_ind_sw[i] 1
// valid_cc_element_tag_select[i] 4
// }
// byte_alignment() VAR
// comment_field_bytes 8
// for (i = 0; i < comment_field_bytes; i++) {
// comment_field_data[i] 8
// }
if (!$info['aac']['header']['is_vbr']) {
$info['aac']['program_configs'][$i]['buffer_fullness'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 20));
$bitoffset += 20;
}
$info['aac']['program_configs'][$i]['element_instance_tag'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
$info['aac']['program_configs'][$i]['object_type'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 2));
$bitoffset += 2;
$info['aac']['program_configs'][$i]['sampling_frequency_index'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
$info['aac']['program_configs'][$i]['num_front_channel_elements'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
$info['aac']['program_configs'][$i]['num_side_channel_elements'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
$info['aac']['program_configs'][$i]['num_back_channel_elements'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
$info['aac']['program_configs'][$i]['num_lfe_channel_elements'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 2));
$bitoffset += 2;
$info['aac']['program_configs'][$i]['num_assoc_data_elements'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 3));
$bitoffset += 3;
$info['aac']['program_configs'][$i]['num_valid_cc_elements'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
$info['aac']['program_configs'][$i]['mono_mixdown_present'] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
if ($info['aac']['program_configs'][$i]['mono_mixdown_present']) {
$info['aac']['program_configs'][$i]['mono_mixdown_element_number'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
$info['aac']['program_configs'][$i]['stereo_mixdown_present'] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
if ($info['aac']['program_configs'][$i]['stereo_mixdown_present']) {
$info['aac']['program_configs'][$i]['stereo_mixdown_element_number'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
$info['aac']['program_configs'][$i]['matrix_mixdown_idx_present'] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
if ($info['aac']['program_configs'][$i]['matrix_mixdown_idx_present']) {
$info['aac']['program_configs'][$i]['matrix_mixdown_idx'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 2));
$bitoffset += 2;
$info['aac']['program_configs'][$i]['pseudo_surround_enable'] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
}
for ($j = 0; $j < $info['aac']['program_configs'][$i]['num_front_channel_elements']; $j++) {
$info['aac']['program_configs'][$i]['front_element_is_cpe'][$j] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
$info['aac']['program_configs'][$i]['front_element_tag_select'][$j] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
for ($j = 0; $j < $info['aac']['program_configs'][$i]['num_side_channel_elements']; $j++) {
$info['aac']['program_configs'][$i]['side_element_is_cpe'][$j] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
$info['aac']['program_configs'][$i]['side_element_tag_select'][$j] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
for ($j = 0; $j < $info['aac']['program_configs'][$i]['num_back_channel_elements']; $j++) {
$info['aac']['program_configs'][$i]['back_element_is_cpe'][$j] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
$info['aac']['program_configs'][$i]['back_element_tag_select'][$j] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
for ($j = 0; $j < $info['aac']['program_configs'][$i]['num_lfe_channel_elements']; $j++) {
$info['aac']['program_configs'][$i]['lfe_element_tag_select'][$j] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
for ($j = 0; $j < $info['aac']['program_configs'][$i]['num_assoc_data_elements']; $j++) {
$info['aac']['program_configs'][$i]['assoc_data_element_tag_select'][$j] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
for ($j = 0; $j < $info['aac']['program_configs'][$i]['num_valid_cc_elements']; $j++) {
$info['aac']['program_configs'][$i]['cc_element_is_ind_sw'][$j] = (bool) getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 1));
$bitoffset += 1;
$info['aac']['program_configs'][$i]['valid_cc_element_tag_select'][$j] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 4));
$bitoffset += 4;
}
$bitoffset = ceil($bitoffset / 8) * 8;
$info['aac']['program_configs'][$i]['comment_field_bytes'] = getid3_lib::Bin2Dec(substr($AACheaderBitstream, $bitoffset, 8));
$bitoffset += 8;
$info['aac']['program_configs'][$i]['comment_field'] = getid3_lib::Bin2String(substr($AACheaderBitstream, $bitoffset, 8 * $info['aac']['program_configs'][$i]['comment_field_bytes']));
$bitoffset += 8 * $info['aac']['program_configs'][$i]['comment_field_bytes'];
$info['aac']['header']['profile'] = self::AACprofileLookup($info['aac']['program_configs'][$i]['object_type'], $info['aac']['header']['mpeg_version']);
$info['aac']['program_configs'][$i]['sampling_frequency'] = self::AACsampleRateLookup($info['aac']['program_configs'][$i]['sampling_frequency_index']);
$info['audio']['sample_rate'] = $info['aac']['program_configs'][$i]['sampling_frequency'];
$info['audio']['channels'] = self::AACchannelCountCalculate($info['aac']['program_configs'][$i]);
if ($info['aac']['program_configs'][$i]['comment_field']) {
$info['aac']['comments'][] = $info['aac']['program_configs'][$i]['comment_field'];
}
}
$info['playtime_seconds'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['audio']['bitrate'];
$info['audio']['encoder_options'] = $info['aac']['header_type'].' '.$info['aac']['header']['profile'];
return true;
} else {
unset($info['fileformat']);
unset($info['aac']);
$this->error('AAC-ADIF synch not found at offset '.$info['avdataoffset'].' (expected "ADIF", found "'.substr($AACheader, 0, 4).'" instead)');
return false;
}
}
/**
* @param int $MaxFramesToScan
* @param bool $ReturnExtendedInfo
*
* @return bool
*/
public function getAACADTSheaderFilepointer($MaxFramesToScan=1000000, $ReturnExtendedInfo=false) {
$info = &$this->getid3->info;
// based loosely on code from AACfile by Jurgen Faul <jfaulØgmx.de>
// http://jfaul.de/atl or http://j-faul.virtualave.net/atl/atl.html
// http://faac.sourceforge.net/wiki/index.php?page=ADTS // dead link
// http://wiki.multimedia.cx/index.php?title=ADTS
// * ADTS Fixed Header: these don't change from frame to frame
// syncword 12 always: '111111111111'
// ID 1 0: MPEG-4, 1: MPEG-2
// MPEG layer 2 If you send AAC in MPEG-TS, set to 0
// protection_absent 1 0: CRC present; 1: no CRC
// profile 2 0: AAC Main; 1: AAC LC (Low Complexity); 2: AAC SSR (Scalable Sample Rate); 3: AAC LTP (Long Term Prediction)
// sampling_frequency_index 4 15 not allowed
// private_bit 1 usually 0
// channel_configuration 3
// original/copy 1 0: original; 1: copy
// home 1 usually 0
// emphasis 2 only if ID == 0 (ie MPEG-4) // not present in some documentation?
// * ADTS Variable Header: these can change from frame to frame
// copyright_identification_bit 1
// copyright_identification_start 1
// aac_frame_length 13 length of the frame including header (in bytes)
// adts_buffer_fullness 11 0x7FF indicates VBR
// no_raw_data_blocks_in_frame 2
// * ADTS Error check
// crc_check 16 only if protection_absent == 0
$byteoffset = $info['avdataoffset'];
$framenumber = 0;
// Init bit pattern array
static $decbin = array();
// Populate $bindec
for ($i = 0; $i < 256; $i++) {
$decbin[chr($i)] = str_pad(decbin($i), 8, '0', STR_PAD_LEFT);
}
// used to calculate bitrate below
$BitrateCache = array();
while (true) {
// breaks out when end-of-file encountered, or invalid data found,
// or MaxFramesToScan frames have been scanned
if (!getid3_lib::intValueSupported($byteoffset)) {
$this->warning('Unable to parse AAC file beyond '.$this->ftell().' (PHP does not support file operations beyond '.round(PHP_INT_MAX / 1073741824).'GB)');
return false;
}
$this->fseek($byteoffset);
// First get substring
$substring = $this->fread(9); // header is 7 bytes (or 9 if CRC is present)
$substringlength = strlen($substring);
if ($substringlength != 9) {
$this->error('Failed to read 7 bytes at offset '.($this->ftell() - $substringlength).' (only read '.$substringlength.' bytes)');
return false;
}
// this would be easier with 64-bit math, but split it up to allow for 32-bit:
$header1 = getid3_lib::BigEndian2Int(substr($substring, 0, 2));
$header2 = getid3_lib::BigEndian2Int(substr($substring, 2, 4));
$header3 = getid3_lib::BigEndian2Int(substr($substring, 6, 1));
$info['aac']['header']['raw']['syncword'] = ($header1 & 0xFFF0) >> 4;
if ($info['aac']['header']['raw']['syncword'] != 0x0FFF) {
$this->error('Synch pattern (0x0FFF) not found at offset '.($this->ftell() - $substringlength).' (found 0x0'.strtoupper(dechex($info['aac']['header']['raw']['syncword'])).' instead)');
//if ($info['fileformat'] == 'aac') {
// return true;
//}
unset($info['aac']);
return false;
}
// Gather info for first frame only - this takes time to do 1000 times!
if ($framenumber == 0) {
$info['aac']['header_type'] = 'ADTS';
$info['fileformat'] = 'aac';
$info['audio']['dataformat'] = 'aac';
$info['aac']['header']['raw']['mpeg_version'] = ($header1 & 0x0008) >> 3;
$info['aac']['header']['raw']['mpeg_layer'] = ($header1 & 0x0006) >> 1;
$info['aac']['header']['raw']['protection_absent'] = ($header1 & 0x0001) >> 0;
$info['aac']['header']['raw']['profile_code'] = ($header2 & 0xC0000000) >> 30;
$info['aac']['header']['raw']['sample_rate_code'] = ($header2 & 0x3C000000) >> 26;
$info['aac']['header']['raw']['private_stream'] = ($header2 & 0x02000000) >> 25;
$info['aac']['header']['raw']['channels_code'] = ($header2 & 0x01C00000) >> 22;
$info['aac']['header']['raw']['original'] = ($header2 & 0x00200000) >> 21;
$info['aac']['header']['raw']['home'] = ($header2 & 0x00100000) >> 20;
$info['aac']['header']['raw']['copyright_stream'] = ($header2 & 0x00080000) >> 19;
$info['aac']['header']['raw']['copyright_start'] = ($header2 & 0x00040000) >> 18;
$info['aac']['header']['raw']['frame_length'] = ($header2 & 0x0003FFE0) >> 5;
$info['aac']['header']['mpeg_version'] = ($info['aac']['header']['raw']['mpeg_version'] ? 2 : 4);
$info['aac']['header']['crc_present'] = ($info['aac']['header']['raw']['protection_absent'] ? false: true);
$info['aac']['header']['profile'] = self::AACprofileLookup($info['aac']['header']['raw']['profile_code'], $info['aac']['header']['mpeg_version']);
$info['aac']['header']['sample_frequency'] = self::AACsampleRateLookup($info['aac']['header']['raw']['sample_rate_code']);
$info['aac']['header']['private'] = (bool) $info['aac']['header']['raw']['private_stream'];
$info['aac']['header']['original'] = (bool) $info['aac']['header']['raw']['original'];
$info['aac']['header']['home'] = (bool) $info['aac']['header']['raw']['home'];
$info['aac']['header']['channels'] = (($info['aac']['header']['raw']['channels_code'] == 7) ? 8 : $info['aac']['header']['raw']['channels_code']);
if ($ReturnExtendedInfo) {
$info['aac'][$framenumber]['copyright_id_bit'] = (bool) $info['aac']['header']['raw']['copyright_stream'];
$info['aac'][$framenumber]['copyright_id_start'] = (bool) $info['aac']['header']['raw']['copyright_start'];
}
if ($info['aac']['header']['raw']['mpeg_layer'] != 0) {
$this->warning('Layer error - expected "0", found "'.$info['aac']['header']['raw']['mpeg_layer'].'" instead');
}
if ($info['aac']['header']['sample_frequency'] == 0) {
$this->error('Corrupt AAC file: sample_frequency == zero');
return false;
}
$info['audio']['sample_rate'] = $info['aac']['header']['sample_frequency'];
$info['audio']['channels'] = $info['aac']['header']['channels'];
}
$FrameLength = ($header2 & 0x0003FFE0) >> 5;
if (!isset($BitrateCache[$FrameLength])) {
$BitrateCache[$FrameLength] = ($info['aac']['header']['sample_frequency'] / 1024) * $FrameLength * 8;
}
getid3_lib::safe_inc($info['aac']['bitrate_distribution'][(string)$BitrateCache[$FrameLength]], 1);
$info['aac'][$framenumber]['aac_frame_length'] = $FrameLength;
$info['aac'][$framenumber]['adts_buffer_fullness'] = (($header2 & 0x0000001F) << 6) & (($header3 & 0xFC) >> 2);
if ($info['aac'][$framenumber]['adts_buffer_fullness'] == 0x07FF) {
$info['audio']['bitrate_mode'] = 'vbr';
} else {
$info['audio']['bitrate_mode'] = 'cbr';
}
$info['aac'][$framenumber]['num_raw_data_blocks'] = (($header3 & 0x03) >> 0);
if ($info['aac']['header']['crc_present']) {
//$info['aac'][$framenumber]['crc'] = getid3_lib::BigEndian2Int(substr($substring, 7, 2);
}
if (!$ReturnExtendedInfo) {
unset($info['aac'][$framenumber]);
}
/*
$rounded_precision = 5000;
$info['aac']['bitrate_distribution_rounded'] = array();
foreach ($info['aac']['bitrate_distribution'] as $bitrate => $count) {
$rounded_bitrate = round($bitrate / $rounded_precision) * $rounded_precision;
getid3_lib::safe_inc($info['aac']['bitrate_distribution_rounded'][$rounded_bitrate], $count);
}
ksort($info['aac']['bitrate_distribution_rounded']);
*/
$byteoffset += $FrameLength;
if ((++$framenumber < $MaxFramesToScan) && (($byteoffset + 10) < $info['avdataend'])) {
// keep scanning
} else {
$info['aac']['frames'] = $framenumber;
$info['playtime_seconds'] = ($info['avdataend'] / $byteoffset) * (($framenumber * 1024) / $info['aac']['header']['sample_frequency']); // (1 / % of file scanned) * (samples / (samples/sec)) = seconds
if ($info['playtime_seconds'] == 0) {
$this->error('Corrupt AAC file: playtime_seconds == zero');
return false;
}
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
ksort($info['aac']['bitrate_distribution']);
$info['audio']['encoder_options'] = $info['aac']['header_type'].' '.$info['aac']['header']['profile'];
return true;
}
}
// should never get here.
}
/**
* @param int $samplerateid
*
* @return int|string
*/
public static function AACsampleRateLookup($samplerateid) {
static $AACsampleRateLookup = array();
if (empty($AACsampleRateLookup)) {
$AACsampleRateLookup[0] = 96000;
$AACsampleRateLookup[1] = 88200;
$AACsampleRateLookup[2] = 64000;
$AACsampleRateLookup[3] = 48000;
$AACsampleRateLookup[4] = 44100;
$AACsampleRateLookup[5] = 32000;
$AACsampleRateLookup[6] = 24000;
$AACsampleRateLookup[7] = 22050;
$AACsampleRateLookup[8] = 16000;
$AACsampleRateLookup[9] = 12000;
$AACsampleRateLookup[10] = 11025;
$AACsampleRateLookup[11] = 8000;
$AACsampleRateLookup[12] = 0;
$AACsampleRateLookup[13] = 0;
$AACsampleRateLookup[14] = 0;
$AACsampleRateLookup[15] = 0;
}
return (isset($AACsampleRateLookup[$samplerateid]) ? $AACsampleRateLookup[$samplerateid] : 'invalid');
}
/**
* @param int $profileid
* @param int $mpegversion
*
* @return string
*/
public static function AACprofileLookup($profileid, $mpegversion) {
static $AACprofileLookup = array();
if (empty($AACprofileLookup)) {
$AACprofileLookup[2][0] = 'Main profile';
$AACprofileLookup[2][1] = 'Low Complexity profile (LC)';
$AACprofileLookup[2][2] = 'Scalable Sample Rate profile (SSR)';
$AACprofileLookup[2][3] = '(reserved)';
$AACprofileLookup[4][0] = 'AAC_MAIN';
$AACprofileLookup[4][1] = 'AAC_LC';
$AACprofileLookup[4][2] = 'AAC_SSR';
$AACprofileLookup[4][3] = 'AAC_LTP';
}
return (isset($AACprofileLookup[$mpegversion][$profileid]) ? $AACprofileLookup[$mpegversion][$profileid] : 'invalid');
}
/**
* @param array $program_configs
*
* @return int
*/
public static function AACchannelCountCalculate($program_configs) {
$channels = 0;
for ($i = 0; $i < $program_configs['num_front_channel_elements']; $i++) {
$channels++;
if ($program_configs['front_element_is_cpe'][$i]) {
// each front element is channel pair (CPE = Channel Pair Element)
$channels++;
}
}
for ($i = 0; $i < $program_configs['num_side_channel_elements']; $i++) {
$channels++;
if ($program_configs['side_element_is_cpe'][$i]) {
// each side element is channel pair (CPE = Channel Pair Element)
$channels++;
}
}
for ($i = 0; $i < $program_configs['num_back_channel_elements']; $i++) {
$channels++;
if ($program_configs['back_element_is_cpe'][$i]) {
// each back element is channel pair (CPE = Channel Pair Element)
$channels++;
}
}
for ($i = 0; $i < $program_configs['num_lfe_channel_elements']; $i++) {
$channels++;
}
return $channels;
}
}

View File

@ -0,0 +1,823 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.ac3.php //
// module for analyzing AC-3 (aka Dolby Digital) audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_ac3 extends getid3_handler
{
/**
* @var array
*/
private $AC3header = array();
/**
* @var int
*/
private $BSIoffset = 0;
const syncword = 0x0B77;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
///AH
$info['ac3']['raw']['bsi'] = array();
$thisfile_ac3 = &$info['ac3'];
$thisfile_ac3_raw = &$thisfile_ac3['raw'];
$thisfile_ac3_raw_bsi = &$thisfile_ac3_raw['bsi'];
// http://www.atsc.org/standards/a_52a.pdf
$info['fileformat'] = 'ac3';
// An AC-3 serial coded audio bit stream is made up of a sequence of synchronization frames
// Each synchronization frame contains 6 coded audio blocks (AB), each of which represent 256
// new audio samples per channel. A synchronization information (SI) header at the beginning
// of each frame contains information needed to acquire and maintain synchronization. A
// bit stream information (BSI) header follows SI, and contains parameters describing the coded
// audio service. The coded audio blocks may be followed by an auxiliary data (Aux) field. At the
// end of each frame is an error check field that includes a CRC word for error detection. An
// additional CRC word is located in the SI header, the use of which, by a decoder, is optional.
//
// syncinfo() | bsi() | AB0 | AB1 | AB2 | AB3 | AB4 | AB5 | Aux | CRC
// syncinfo() {
// syncword 16
// crc1 16
// fscod 2
// frmsizecod 6
// } /* end of syncinfo */
$this->fseek($info['avdataoffset']);
$tempAC3header = $this->fread(100); // should be enough to cover all data, there are some variable-length fields...?
$this->AC3header['syncinfo'] = getid3_lib::BigEndian2Int(substr($tempAC3header, 0, 2));
$this->AC3header['bsi'] = getid3_lib::BigEndian2Bin(substr($tempAC3header, 2));
$thisfile_ac3_raw_bsi['bsid'] = (getid3_lib::LittleEndian2Int(substr($tempAC3header, 5, 1)) & 0xF8) >> 3; // AC3 and E-AC3 put the "bsid" version identifier in the same place, but unfortnately the 4 bytes between the syncword and the version identifier are interpreted differently, so grab it here so the following code structure can make sense
unset($tempAC3header);
if ($this->AC3header['syncinfo'] !== self::syncword) {
if (!$this->isDependencyFor('matroska')) {
unset($info['fileformat'], $info['ac3']);
return $this->error('Expecting "'.dechex(self::syncword).'" at offset '.$info['avdataoffset'].', found "'.dechex($this->AC3header['syncinfo']).'"');
}
}
$info['audio']['dataformat'] = 'ac3';
$info['audio']['bitrate_mode'] = 'cbr';
$info['audio']['lossless'] = false;
if ($thisfile_ac3_raw_bsi['bsid'] <= 8) {
$thisfile_ac3_raw_bsi['crc1'] = getid3_lib::Bin2Dec($this->readHeaderBSI(16));
$thisfile_ac3_raw_bsi['fscod'] = $this->readHeaderBSI(2); // 5.4.1.3
$thisfile_ac3_raw_bsi['frmsizecod'] = $this->readHeaderBSI(6); // 5.4.1.4
if ($thisfile_ac3_raw_bsi['frmsizecod'] > 37) { // binary: 100101 - see Table 5.18 Frame Size Code Table (1 word = 16 bits)
$this->warning('Unexpected ac3.bsi.frmsizecod value: '.$thisfile_ac3_raw_bsi['frmsizecod'].', bitrate not set correctly');
}
$thisfile_ac3_raw_bsi['bsid'] = $this->readHeaderBSI(5); // we already know this from pre-parsing the version identifier, but re-read it to let the bitstream flow as intended
$thisfile_ac3_raw_bsi['bsmod'] = $this->readHeaderBSI(3);
$thisfile_ac3_raw_bsi['acmod'] = $this->readHeaderBSI(3);
if ($thisfile_ac3_raw_bsi['acmod'] & 0x01) {
// If the lsb of acmod is a 1, center channel is in use and cmixlev follows in the bit stream.
$thisfile_ac3_raw_bsi['cmixlev'] = $this->readHeaderBSI(2);
$thisfile_ac3['center_mix_level'] = self::centerMixLevelLookup($thisfile_ac3_raw_bsi['cmixlev']);
}
if ($thisfile_ac3_raw_bsi['acmod'] & 0x04) {
// If the msb of acmod is a 1, surround channels are in use and surmixlev follows in the bit stream.
$thisfile_ac3_raw_bsi['surmixlev'] = $this->readHeaderBSI(2);
$thisfile_ac3['surround_mix_level'] = self::surroundMixLevelLookup($thisfile_ac3_raw_bsi['surmixlev']);
}
if ($thisfile_ac3_raw_bsi['acmod'] == 0x02) {
// When operating in the two channel mode, this 2-bit code indicates whether or not the program has been encoded in Dolby Surround.
$thisfile_ac3_raw_bsi['dsurmod'] = $this->readHeaderBSI(2);
$thisfile_ac3['dolby_surround_mode'] = self::dolbySurroundModeLookup($thisfile_ac3_raw_bsi['dsurmod']);
}
$thisfile_ac3_raw_bsi['flags']['lfeon'] = (bool) $this->readHeaderBSI(1);
// This indicates how far the average dialogue level is below digital 100 percent. Valid values are 1-31.
// The value of 0 is reserved. The values of 1 to 31 are interpreted as -1 dB to -31 dB with respect to digital 100 percent.
$thisfile_ac3_raw_bsi['dialnorm'] = $this->readHeaderBSI(5); // 5.4.2.8 dialnorm: Dialogue Normalization, 5 Bits
$thisfile_ac3_raw_bsi['flags']['compr'] = (bool) $this->readHeaderBSI(1); // 5.4.2.9 compre: Compression Gain Word Exists, 1 Bit
if ($thisfile_ac3_raw_bsi['flags']['compr']) {
$thisfile_ac3_raw_bsi['compr'] = $this->readHeaderBSI(8); // 5.4.2.10 compr: Compression Gain Word, 8 Bits
$thisfile_ac3['heavy_compression'] = self::heavyCompression($thisfile_ac3_raw_bsi['compr']);
}
$thisfile_ac3_raw_bsi['flags']['langcod'] = (bool) $this->readHeaderBSI(1); // 5.4.2.11 langcode: Language Code Exists, 1 Bit
if ($thisfile_ac3_raw_bsi['flags']['langcod']) {
$thisfile_ac3_raw_bsi['langcod'] = $this->readHeaderBSI(8); // 5.4.2.12 langcod: Language Code, 8 Bits
}
$thisfile_ac3_raw_bsi['flags']['audprodinfo'] = (bool) $this->readHeaderBSI(1); // 5.4.2.13 audprodie: Audio Production Information Exists, 1 Bit
if ($thisfile_ac3_raw_bsi['flags']['audprodinfo']) {
$thisfile_ac3_raw_bsi['mixlevel'] = $this->readHeaderBSI(5); // 5.4.2.14 mixlevel: Mixing Level, 5 Bits
$thisfile_ac3_raw_bsi['roomtyp'] = $this->readHeaderBSI(2); // 5.4.2.15 roomtyp: Room Type, 2 Bits
$thisfile_ac3['mixing_level'] = (80 + $thisfile_ac3_raw_bsi['mixlevel']).'dB';
$thisfile_ac3['room_type'] = self::roomTypeLookup($thisfile_ac3_raw_bsi['roomtyp']);
}
$thisfile_ac3_raw_bsi['dialnorm2'] = $this->readHeaderBSI(5); // 5.4.2.16 dialnorm2: Dialogue Normalization, ch2, 5 Bits
$thisfile_ac3['dialogue_normalization2'] = '-'.$thisfile_ac3_raw_bsi['dialnorm2'].'dB'; // This indicates how far the average dialogue level is below digital 100 percent. Valid values are 1-31. The value of 0 is reserved. The values of 1 to 31 are interpreted as -1 dB to -31 dB with respect to digital 100 percent.
$thisfile_ac3_raw_bsi['flags']['compr2'] = (bool) $this->readHeaderBSI(1); // 5.4.2.17 compr2e: Compression Gain Word Exists, ch2, 1 Bit
if ($thisfile_ac3_raw_bsi['flags']['compr2']) {
$thisfile_ac3_raw_bsi['compr2'] = $this->readHeaderBSI(8); // 5.4.2.18 compr2: Compression Gain Word, ch2, 8 Bits
$thisfile_ac3['heavy_compression2'] = self::heavyCompression($thisfile_ac3_raw_bsi['compr2']);
}
$thisfile_ac3_raw_bsi['flags']['langcod2'] = (bool) $this->readHeaderBSI(1); // 5.4.2.19 langcod2e: Language Code Exists, ch2, 1 Bit
if ($thisfile_ac3_raw_bsi['flags']['langcod2']) {
$thisfile_ac3_raw_bsi['langcod2'] = $this->readHeaderBSI(8); // 5.4.2.20 langcod2: Language Code, ch2, 8 Bits
}
$thisfile_ac3_raw_bsi['flags']['audprodinfo2'] = (bool) $this->readHeaderBSI(1); // 5.4.2.21 audprodi2e: Audio Production Information Exists, ch2, 1 Bit
if ($thisfile_ac3_raw_bsi['flags']['audprodinfo2']) {
$thisfile_ac3_raw_bsi['mixlevel2'] = $this->readHeaderBSI(5); // 5.4.2.22 mixlevel2: Mixing Level, ch2, 5 Bits
$thisfile_ac3_raw_bsi['roomtyp2'] = $this->readHeaderBSI(2); // 5.4.2.23 roomtyp2: Room Type, ch2, 2 Bits
$thisfile_ac3['mixing_level2'] = (80 + $thisfile_ac3_raw_bsi['mixlevel2']).'dB';
$thisfile_ac3['room_type2'] = self::roomTypeLookup($thisfile_ac3_raw_bsi['roomtyp2']);
}
$thisfile_ac3_raw_bsi['copyright'] = (bool) $this->readHeaderBSI(1); // 5.4.2.24 copyrightb: Copyright Bit, 1 Bit
$thisfile_ac3_raw_bsi['original'] = (bool) $this->readHeaderBSI(1); // 5.4.2.25 origbs: Original Bit Stream, 1 Bit
$thisfile_ac3_raw_bsi['flags']['timecod1'] = $this->readHeaderBSI(2); // 5.4.2.26 timecod1e, timcode2e: Time Code (first and second) Halves Exist, 2 Bits
if ($thisfile_ac3_raw_bsi['flags']['timecod1'] & 0x01) {
$thisfile_ac3_raw_bsi['timecod1'] = $this->readHeaderBSI(14); // 5.4.2.27 timecod1: Time code first half, 14 bits
$thisfile_ac3['timecode1'] = 0;
$thisfile_ac3['timecode1'] += (($thisfile_ac3_raw_bsi['timecod1'] & 0x3E00) >> 9) * 3600; // The first 5 bits of this 14-bit field represent the time in hours, with valid values of 0<>23
$thisfile_ac3['timecode1'] += (($thisfile_ac3_raw_bsi['timecod1'] & 0x01F8) >> 3) * 60; // The next 6 bits represent the time in minutes, with valid values of 0<>59
$thisfile_ac3['timecode1'] += (($thisfile_ac3_raw_bsi['timecod1'] & 0x0003) >> 0) * 8; // The final 3 bits represents the time in 8 second increments, with valid values of 0<>7 (representing 0, 8, 16, ... 56 seconds)
}
if ($thisfile_ac3_raw_bsi['flags']['timecod1'] & 0x02) {
$thisfile_ac3_raw_bsi['timecod2'] = $this->readHeaderBSI(14); // 5.4.2.28 timecod2: Time code second half, 14 bits
$thisfile_ac3['timecode2'] = 0;
$thisfile_ac3['timecode2'] += (($thisfile_ac3_raw_bsi['timecod2'] & 0x3800) >> 11) * 1; // The first 3 bits of this 14-bit field represent the time in seconds, with valid values from 0<>7 (representing 0-7 seconds)
$thisfile_ac3['timecode2'] += (($thisfile_ac3_raw_bsi['timecod2'] & 0x07C0) >> 6) * (1 / 30); // The next 5 bits represents the time in frames, with valid values from 0<>29 (one frame = 1/30th of a second)
$thisfile_ac3['timecode2'] += (($thisfile_ac3_raw_bsi['timecod2'] & 0x003F) >> 0) * ((1 / 30) / 60); // The final 6 bits represents fractions of 1/64 of a frame, with valid values from 0<>63
}
$thisfile_ac3_raw_bsi['flags']['addbsi'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['addbsi']) {
$thisfile_ac3_raw_bsi['addbsi_length'] = $this->readHeaderBSI(6) + 1; // This 6-bit code, which exists only if addbside is a 1, indicates the length in bytes of additional bit stream information. The valid range of addbsil is 0<>63, indicating 1<>64 additional bytes, respectively.
$this->AC3header['bsi'] .= getid3_lib::BigEndian2Bin($this->fread($thisfile_ac3_raw_bsi['addbsi_length']));
$thisfile_ac3_raw_bsi['addbsi_data'] = substr($this->AC3header['bsi'], $this->BSIoffset, $thisfile_ac3_raw_bsi['addbsi_length'] * 8);
$this->BSIoffset += $thisfile_ac3_raw_bsi['addbsi_length'] * 8;
}
} elseif ($thisfile_ac3_raw_bsi['bsid'] <= 16) { // E-AC3
$this->error('E-AC3 parsing is incomplete and experimental in this version of getID3 ('.$this->getid3->version().'). Notably the bitrate calculations are wrong -- value might (or not) be correct, but it is not calculated correctly. Email info@getid3.org if you know how to calculate EAC3 bitrate correctly.');
$info['audio']['dataformat'] = 'eac3';
$thisfile_ac3_raw_bsi['strmtyp'] = $this->readHeaderBSI(2);
$thisfile_ac3_raw_bsi['substreamid'] = $this->readHeaderBSI(3);
$thisfile_ac3_raw_bsi['frmsiz'] = $this->readHeaderBSI(11);
$thisfile_ac3_raw_bsi['fscod'] = $this->readHeaderBSI(2);
if ($thisfile_ac3_raw_bsi['fscod'] == 3) {
$thisfile_ac3_raw_bsi['fscod2'] = $this->readHeaderBSI(2);
$thisfile_ac3_raw_bsi['numblkscod'] = 3; // six blocks per syncframe
} else {
$thisfile_ac3_raw_bsi['numblkscod'] = $this->readHeaderBSI(2);
}
$thisfile_ac3['bsi']['blocks_per_sync_frame'] = self::blocksPerSyncFrame($thisfile_ac3_raw_bsi['numblkscod']);
$thisfile_ac3_raw_bsi['acmod'] = $this->readHeaderBSI(3);
$thisfile_ac3_raw_bsi['flags']['lfeon'] = (bool) $this->readHeaderBSI(1);
$thisfile_ac3_raw_bsi['bsid'] = $this->readHeaderBSI(5); // we already know this from pre-parsing the version identifier, but re-read it to let the bitstream flow as intended
$thisfile_ac3_raw_bsi['dialnorm'] = $this->readHeaderBSI(5);
$thisfile_ac3_raw_bsi['flags']['compr'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['compr']) {
$thisfile_ac3_raw_bsi['compr'] = $this->readHeaderBSI(8);
}
if ($thisfile_ac3_raw_bsi['acmod'] == 0) { // if 1+1 mode (dual mono, so some items need a second value)
$thisfile_ac3_raw_bsi['dialnorm2'] = $this->readHeaderBSI(5);
$thisfile_ac3_raw_bsi['flags']['compr2'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['compr2']) {
$thisfile_ac3_raw_bsi['compr2'] = $this->readHeaderBSI(8);
}
}
if ($thisfile_ac3_raw_bsi['strmtyp'] == 1) { // if dependent stream
$thisfile_ac3_raw_bsi['flags']['chanmap'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['chanmap']) {
$thisfile_ac3_raw_bsi['chanmap'] = $this->readHeaderBSI(8);
}
}
$thisfile_ac3_raw_bsi['flags']['mixmdat'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['mixmdat']) { // Mixing metadata
if ($thisfile_ac3_raw_bsi['acmod'] > 2) { // if more than 2 channels
$thisfile_ac3_raw_bsi['dmixmod'] = $this->readHeaderBSI(2);
}
if (($thisfile_ac3_raw_bsi['acmod'] & 0x01) && ($thisfile_ac3_raw_bsi['acmod'] > 2)) { // if three front channels exist
$thisfile_ac3_raw_bsi['ltrtcmixlev'] = $this->readHeaderBSI(3);
$thisfile_ac3_raw_bsi['lorocmixlev'] = $this->readHeaderBSI(3);
}
if ($thisfile_ac3_raw_bsi['acmod'] & 0x04) { // if a surround channel exists
$thisfile_ac3_raw_bsi['ltrtsurmixlev'] = $this->readHeaderBSI(3);
$thisfile_ac3_raw_bsi['lorosurmixlev'] = $this->readHeaderBSI(3);
}
if ($thisfile_ac3_raw_bsi['flags']['lfeon']) { // if the LFE channel exists
$thisfile_ac3_raw_bsi['flags']['lfemixlevcod'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['lfemixlevcod']) {
$thisfile_ac3_raw_bsi['lfemixlevcod'] = $this->readHeaderBSI(5);
}
}
if ($thisfile_ac3_raw_bsi['strmtyp'] == 0) { // if independent stream
$thisfile_ac3_raw_bsi['flags']['pgmscl'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['pgmscl']) {
$thisfile_ac3_raw_bsi['pgmscl'] = $this->readHeaderBSI(6);
}
if ($thisfile_ac3_raw_bsi['acmod'] == 0) { // if 1+1 mode (dual mono, so some items need a second value)
$thisfile_ac3_raw_bsi['flags']['pgmscl2'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['pgmscl2']) {
$thisfile_ac3_raw_bsi['pgmscl2'] = $this->readHeaderBSI(6);
}
}
$thisfile_ac3_raw_bsi['flags']['extpgmscl'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['extpgmscl']) {
$thisfile_ac3_raw_bsi['extpgmscl'] = $this->readHeaderBSI(6);
}
$thisfile_ac3_raw_bsi['mixdef'] = $this->readHeaderBSI(2);
if ($thisfile_ac3_raw_bsi['mixdef'] == 1) { // mixing option 2
$thisfile_ac3_raw_bsi['premixcmpsel'] = (bool) $this->readHeaderBSI(1);
$thisfile_ac3_raw_bsi['drcsrc'] = (bool) $this->readHeaderBSI(1);
$thisfile_ac3_raw_bsi['premixcmpscl'] = $this->readHeaderBSI(3);
} elseif ($thisfile_ac3_raw_bsi['mixdef'] == 2) { // mixing option 3
$thisfile_ac3_raw_bsi['mixdata'] = $this->readHeaderBSI(12);
} elseif ($thisfile_ac3_raw_bsi['mixdef'] == 3) { // mixing option 4
$mixdefbitsread = 0;
$thisfile_ac3_raw_bsi['mixdeflen'] = $this->readHeaderBSI(5); $mixdefbitsread += 5;
$thisfile_ac3_raw_bsi['flags']['mixdata2'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['mixdata2']) {
$thisfile_ac3_raw_bsi['premixcmpsel'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
$thisfile_ac3_raw_bsi['drcsrc'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
$thisfile_ac3_raw_bsi['premixcmpscl'] = $this->readHeaderBSI(3); $mixdefbitsread += 3;
$thisfile_ac3_raw_bsi['flags']['extpgmlscl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmlscl']) {
$thisfile_ac3_raw_bsi['extpgmlscl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
$thisfile_ac3_raw_bsi['flags']['extpgmcscl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmcscl']) {
$thisfile_ac3_raw_bsi['extpgmcscl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
$thisfile_ac3_raw_bsi['flags']['extpgmrscl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmrscl']) {
$thisfile_ac3_raw_bsi['extpgmrscl'] = $this->readHeaderBSI(4);
}
$thisfile_ac3_raw_bsi['flags']['extpgmlsscl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmlsscl']) {
$thisfile_ac3_raw_bsi['extpgmlsscl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
$thisfile_ac3_raw_bsi['flags']['extpgmrsscl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmrsscl']) {
$thisfile_ac3_raw_bsi['extpgmrsscl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
$thisfile_ac3_raw_bsi['flags']['extpgmlfescl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmlfescl']) {
$thisfile_ac3_raw_bsi['extpgmlfescl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
$thisfile_ac3_raw_bsi['flags']['dmixscl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['dmixscl']) {
$thisfile_ac3_raw_bsi['dmixscl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
$thisfile_ac3_raw_bsi['flags']['addch'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['addch']) {
$thisfile_ac3_raw_bsi['flags']['extpgmaux1scl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmaux1scl']) {
$thisfile_ac3_raw_bsi['extpgmaux1scl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
$thisfile_ac3_raw_bsi['flags']['extpgmaux2scl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['extpgmaux2scl']) {
$thisfile_ac3_raw_bsi['extpgmaux2scl'] = $this->readHeaderBSI(4); $mixdefbitsread += 4;
}
}
}
$thisfile_ac3_raw_bsi['flags']['mixdata3'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['mixdata3']) {
$thisfile_ac3_raw_bsi['spchdat'] = $this->readHeaderBSI(5); $mixdefbitsread += 5;
$thisfile_ac3_raw_bsi['flags']['addspchdat'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['addspchdat']) {
$thisfile_ac3_raw_bsi['spchdat1'] = $this->readHeaderBSI(5); $mixdefbitsread += 5;
$thisfile_ac3_raw_bsi['spchan1att'] = $this->readHeaderBSI(2); $mixdefbitsread += 2;
$thisfile_ac3_raw_bsi['flags']['addspchdat1'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
if ($thisfile_ac3_raw_bsi['flags']['addspchdat1']) {
$thisfile_ac3_raw_bsi['spchdat2'] = $this->readHeaderBSI(5); $mixdefbitsread += 5;
$thisfile_ac3_raw_bsi['spchan2att'] = $this->readHeaderBSI(3); $mixdefbitsread += 3;
}
}
}
$mixdata_bits = (8 * ($thisfile_ac3_raw_bsi['mixdeflen'] + 2)) - $mixdefbitsread;
$mixdata_fill = (($mixdata_bits % 8) ? 8 - ($mixdata_bits % 8) : 0);
$thisfile_ac3_raw_bsi['mixdata'] = $this->readHeaderBSI($mixdata_bits);
$thisfile_ac3_raw_bsi['mixdatafill'] = $this->readHeaderBSI($mixdata_fill);
unset($mixdefbitsread, $mixdata_bits, $mixdata_fill);
}
if ($thisfile_ac3_raw_bsi['acmod'] < 2) { // if mono or dual mono source
$thisfile_ac3_raw_bsi['flags']['paninfo'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['paninfo']) {
$thisfile_ac3_raw_bsi['panmean'] = $this->readHeaderBSI(8);
$thisfile_ac3_raw_bsi['paninfo'] = $this->readHeaderBSI(6);
}
if ($thisfile_ac3_raw_bsi['acmod'] == 0) { // if 1+1 mode (dual mono, so some items need a second value)
$thisfile_ac3_raw_bsi['flags']['paninfo2'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['paninfo2']) {
$thisfile_ac3_raw_bsi['panmean2'] = $this->readHeaderBSI(8);
$thisfile_ac3_raw_bsi['paninfo2'] = $this->readHeaderBSI(6);
}
}
}
$thisfile_ac3_raw_bsi['flags']['frmmixcfginfo'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['frmmixcfginfo']) { // mixing configuration information
if ($thisfile_ac3_raw_bsi['numblkscod'] == 0) {
$thisfile_ac3_raw_bsi['blkmixcfginfo'][0] = $this->readHeaderBSI(5);
} else {
for ($blk = 0; $blk < $thisfile_ac3_raw_bsi['numblkscod']; $blk++) {
$thisfile_ac3_raw_bsi['flags']['blkmixcfginfo'.$blk] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['blkmixcfginfo'.$blk]) { // mixing configuration information
$thisfile_ac3_raw_bsi['blkmixcfginfo'][$blk] = $this->readHeaderBSI(5);
}
}
}
}
}
}
$thisfile_ac3_raw_bsi['flags']['infomdat'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['infomdat']) { // Informational metadata
$thisfile_ac3_raw_bsi['bsmod'] = $this->readHeaderBSI(3);
$thisfile_ac3_raw_bsi['flags']['copyrightb'] = (bool) $this->readHeaderBSI(1);
$thisfile_ac3_raw_bsi['flags']['origbs'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['acmod'] == 2) { // if in 2/0 mode
$thisfile_ac3_raw_bsi['dsurmod'] = $this->readHeaderBSI(2);
$thisfile_ac3_raw_bsi['dheadphonmod'] = $this->readHeaderBSI(2);
}
if ($thisfile_ac3_raw_bsi['acmod'] >= 6) { // if both surround channels exist
$thisfile_ac3_raw_bsi['dsurexmod'] = $this->readHeaderBSI(2);
}
$thisfile_ac3_raw_bsi['flags']['audprodi'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['audprodi']) {
$thisfile_ac3_raw_bsi['mixlevel'] = $this->readHeaderBSI(5);
$thisfile_ac3_raw_bsi['roomtyp'] = $this->readHeaderBSI(2);
$thisfile_ac3_raw_bsi['flags']['adconvtyp'] = (bool) $this->readHeaderBSI(1);
}
if ($thisfile_ac3_raw_bsi['acmod'] == 0) { // if 1+1 mode (dual mono, so some items need a second value)
$thisfile_ac3_raw_bsi['flags']['audprodi2'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['audprodi2']) {
$thisfile_ac3_raw_bsi['mixlevel2'] = $this->readHeaderBSI(5);
$thisfile_ac3_raw_bsi['roomtyp2'] = $this->readHeaderBSI(2);
$thisfile_ac3_raw_bsi['flags']['adconvtyp2'] = (bool) $this->readHeaderBSI(1);
}
}
if ($thisfile_ac3_raw_bsi['fscod'] < 3) { // if not half sample rate
$thisfile_ac3_raw_bsi['flags']['sourcefscod'] = (bool) $this->readHeaderBSI(1);
}
}
if (($thisfile_ac3_raw_bsi['strmtyp'] == 0) && ($thisfile_ac3_raw_bsi['numblkscod'] != 3)) { // if both surround channels exist
$thisfile_ac3_raw_bsi['flags']['convsync'] = (bool) $this->readHeaderBSI(1);
}
if ($thisfile_ac3_raw_bsi['strmtyp'] == 2) { // if bit stream converted from AC-3
if ($thisfile_ac3_raw_bsi['numblkscod'] != 3) { // 6 blocks per syncframe
$thisfile_ac3_raw_bsi['flags']['blkid'] = 1;
} else {
$thisfile_ac3_raw_bsi['flags']['blkid'] = (bool) $this->readHeaderBSI(1);
}
if ($thisfile_ac3_raw_bsi['flags']['blkid']) {
$thisfile_ac3_raw_bsi['frmsizecod'] = $this->readHeaderBSI(6);
}
}
$thisfile_ac3_raw_bsi['flags']['addbsi'] = (bool) $this->readHeaderBSI(1);
if ($thisfile_ac3_raw_bsi['flags']['addbsi']) {
$thisfile_ac3_raw_bsi['addbsil'] = $this->readHeaderBSI(6);
$thisfile_ac3_raw_bsi['addbsi'] = $this->readHeaderBSI(($thisfile_ac3_raw_bsi['addbsil'] + 1) * 8);
}
} else {
$this->error('Bit stream identification is version '.$thisfile_ac3_raw_bsi['bsid'].', but getID3() only understands up to version 16. Please submit a support ticket with a sample file.');
unset($info['ac3']);
return false;
}
if (isset($thisfile_ac3_raw_bsi['fscod2'])) {
$thisfile_ac3['sample_rate'] = self::sampleRateCodeLookup2($thisfile_ac3_raw_bsi['fscod2']);
} else {
$thisfile_ac3['sample_rate'] = self::sampleRateCodeLookup($thisfile_ac3_raw_bsi['fscod']);
}
if ($thisfile_ac3_raw_bsi['fscod'] <= 3) {
$info['audio']['sample_rate'] = $thisfile_ac3['sample_rate'];
} else {
$this->warning('Unexpected ac3.bsi.fscod value: '.$thisfile_ac3_raw_bsi['fscod']);
}
if (isset($thisfile_ac3_raw_bsi['frmsizecod'])) {
$thisfile_ac3['frame_length'] = self::frameSizeLookup($thisfile_ac3_raw_bsi['frmsizecod'], $thisfile_ac3_raw_bsi['fscod']);
$thisfile_ac3['bitrate'] = self::bitrateLookup($thisfile_ac3_raw_bsi['frmsizecod']);
} elseif (!empty($thisfile_ac3_raw_bsi['frmsiz'])) {
// this isn't right, but it's (usually) close, roughly 5% less than it should be.
// but WHERE is the actual bitrate value stored in EAC3?? email info@getid3.org if you know!
$thisfile_ac3['bitrate'] = ($thisfile_ac3_raw_bsi['frmsiz'] + 1) * 16 * 30; // The frmsiz field shall contain a value one less than the overall size of the coded syncframe in 16-bit words. That is, this field may assume a value ranging from 0 to 2047, and these values correspond to syncframe sizes ranging from 1 to 2048.
// kludge-fix to make it approximately the expected value, still not "right":
$thisfile_ac3['bitrate'] = round(($thisfile_ac3['bitrate'] * 1.05) / 16000) * 16000;
}
$info['audio']['bitrate'] = $thisfile_ac3['bitrate'];
if (isset($thisfile_ac3_raw_bsi['bsmod']) && isset($thisfile_ac3_raw_bsi['acmod'])) {
$thisfile_ac3['service_type'] = self::serviceTypeLookup($thisfile_ac3_raw_bsi['bsmod'], $thisfile_ac3_raw_bsi['acmod']);
}
$ac3_coding_mode = self::audioCodingModeLookup($thisfile_ac3_raw_bsi['acmod']);
foreach($ac3_coding_mode as $key => $value) {
$thisfile_ac3[$key] = $value;
}
switch ($thisfile_ac3_raw_bsi['acmod']) {
case 0:
case 1:
$info['audio']['channelmode'] = 'mono';
break;
case 3:
case 4:
$info['audio']['channelmode'] = 'stereo';
break;
default:
$info['audio']['channelmode'] = 'surround';
break;
}
$info['audio']['channels'] = $thisfile_ac3['num_channels'];
$thisfile_ac3['lfe_enabled'] = $thisfile_ac3_raw_bsi['flags']['lfeon'];
if ($thisfile_ac3_raw_bsi['flags']['lfeon']) {
$info['audio']['channels'] .= '.1';
}
$thisfile_ac3['channels_enabled'] = self::channelsEnabledLookup($thisfile_ac3_raw_bsi['acmod'], $thisfile_ac3_raw_bsi['flags']['lfeon']);
$thisfile_ac3['dialogue_normalization'] = '-'.$thisfile_ac3_raw_bsi['dialnorm'].'dB';
return true;
}
/**
* @param int $length
*
* @return int
*/
private function readHeaderBSI($length) {
$data = substr($this->AC3header['bsi'], $this->BSIoffset, $length);
$this->BSIoffset += $length;
return bindec($data);
}
/**
* @param int $fscod
*
* @return int|string|false
*/
public static function sampleRateCodeLookup($fscod) {
static $sampleRateCodeLookup = array(
0 => 48000,
1 => 44100,
2 => 32000,
3 => 'reserved' // If the reserved code is indicated, the decoder should not attempt to decode audio and should mute.
);
return (isset($sampleRateCodeLookup[$fscod]) ? $sampleRateCodeLookup[$fscod] : false);
}
/**
* @param int $fscod2
*
* @return int|string|false
*/
public static function sampleRateCodeLookup2($fscod2) {
static $sampleRateCodeLookup2 = array(
0 => 24000,
1 => 22050,
2 => 16000,
3 => 'reserved' // If the reserved code is indicated, the decoder should not attempt to decode audio and should mute.
);
return (isset($sampleRateCodeLookup2[$fscod2]) ? $sampleRateCodeLookup2[$fscod2] : false);
}
/**
* @param int $bsmod
* @param int $acmod
*
* @return string|false
*/
public static function serviceTypeLookup($bsmod, $acmod) {
static $serviceTypeLookup = array();
if (empty($serviceTypeLookup)) {
for ($i = 0; $i <= 7; $i++) {
$serviceTypeLookup[0][$i] = 'main audio service: complete main (CM)';
$serviceTypeLookup[1][$i] = 'main audio service: music and effects (ME)';
$serviceTypeLookup[2][$i] = 'associated service: visually impaired (VI)';
$serviceTypeLookup[3][$i] = 'associated service: hearing impaired (HI)';
$serviceTypeLookup[4][$i] = 'associated service: dialogue (D)';
$serviceTypeLookup[5][$i] = 'associated service: commentary (C)';
$serviceTypeLookup[6][$i] = 'associated service: emergency (E)';
}
$serviceTypeLookup[7][1] = 'associated service: voice over (VO)';
for ($i = 2; $i <= 7; $i++) {
$serviceTypeLookup[7][$i] = 'main audio service: karaoke';
}
}
return (isset($serviceTypeLookup[$bsmod][$acmod]) ? $serviceTypeLookup[$bsmod][$acmod] : false);
}
/**
* @param int $acmod
*
* @return array|false
*/
public static function audioCodingModeLookup($acmod) {
// array(channel configuration, # channels (not incl LFE), channel order)
static $audioCodingModeLookup = array (
0 => array('channel_config'=>'1+1', 'num_channels'=>2, 'channel_order'=>'Ch1,Ch2'),
1 => array('channel_config'=>'1/0', 'num_channels'=>1, 'channel_order'=>'C'),
2 => array('channel_config'=>'2/0', 'num_channels'=>2, 'channel_order'=>'L,R'),
3 => array('channel_config'=>'3/0', 'num_channels'=>3, 'channel_order'=>'L,C,R'),
4 => array('channel_config'=>'2/1', 'num_channels'=>3, 'channel_order'=>'L,R,S'),
5 => array('channel_config'=>'3/1', 'num_channels'=>4, 'channel_order'=>'L,C,R,S'),
6 => array('channel_config'=>'2/2', 'num_channels'=>4, 'channel_order'=>'L,R,SL,SR'),
7 => array('channel_config'=>'3/2', 'num_channels'=>5, 'channel_order'=>'L,C,R,SL,SR'),
);
return (isset($audioCodingModeLookup[$acmod]) ? $audioCodingModeLookup[$acmod] : false);
}
/**
* @param int $cmixlev
*
* @return int|float|string|false
*/
public static function centerMixLevelLookup($cmixlev) {
static $centerMixLevelLookup;
if (empty($centerMixLevelLookup)) {
$centerMixLevelLookup = array(
0 => pow(2, -3.0 / 6), // 0.707 (-3.0 dB)
1 => pow(2, -4.5 / 6), // 0.595 (-4.5 dB)
2 => pow(2, -6.0 / 6), // 0.500 (-6.0 dB)
3 => 'reserved'
);
}
return (isset($centerMixLevelLookup[$cmixlev]) ? $centerMixLevelLookup[$cmixlev] : false);
}
/**
* @param int $surmixlev
*
* @return int|float|string|false
*/
public static function surroundMixLevelLookup($surmixlev) {
static $surroundMixLevelLookup;
if (empty($surroundMixLevelLookup)) {
$surroundMixLevelLookup = array(
0 => pow(2, -3.0 / 6),
1 => pow(2, -6.0 / 6),
2 => 0,
3 => 'reserved'
);
}
return (isset($surroundMixLevelLookup[$surmixlev]) ? $surroundMixLevelLookup[$surmixlev] : false);
}
/**
* @param int $dsurmod
*
* @return string|false
*/
public static function dolbySurroundModeLookup($dsurmod) {
static $dolbySurroundModeLookup = array(
0 => 'not indicated',
1 => 'Not Dolby Surround encoded',
2 => 'Dolby Surround encoded',
3 => 'reserved'
);
return (isset($dolbySurroundModeLookup[$dsurmod]) ? $dolbySurroundModeLookup[$dsurmod] : false);
}
/**
* @param int $acmod
* @param bool $lfeon
*
* @return array
*/
public static function channelsEnabledLookup($acmod, $lfeon) {
$lookup = array(
'ch1'=>($acmod == 0),
'ch2'=>($acmod == 0),
'left'=>($acmod > 1),
'right'=>($acmod > 1),
'center'=>(bool) ($acmod & 0x01),
'surround_mono'=>false,
'surround_left'=>false,
'surround_right'=>false,
'lfe'=>$lfeon);
switch ($acmod) {
case 4:
case 5:
$lookup['surround_mono'] = true;
break;
case 6:
case 7:
$lookup['surround_left'] = true;
$lookup['surround_right'] = true;
break;
}
return $lookup;
}
/**
* @param int $compre
*
* @return float|int
*/
public static function heavyCompression($compre) {
// The first four bits indicate gain changes in 6.02dB increments which can be
// implemented with an arithmetic shift operation. The following four bits
// indicate linear gain changes, and require a 5-bit multiply.
// We will represent the two 4-bit fields of compr as follows:
// X0 X1 X2 X3 . Y4 Y5 Y6 Y7
// The meaning of the X values is most simply described by considering X to represent a 4-bit
// signed integer with values from -8 to +7. The gain indicated by X is then (X + 1) * 6.02 dB. The
// following table shows this in detail.
// Meaning of 4 msb of compr
// 7 +48.16 dB
// 6 +42.14 dB
// 5 +36.12 dB
// 4 +30.10 dB
// 3 +24.08 dB
// 2 +18.06 dB
// 1 +12.04 dB
// 0 +6.02 dB
// -1 0 dB
// -2 -6.02 dB
// -3 -12.04 dB
// -4 -18.06 dB
// -5 -24.08 dB
// -6 -30.10 dB
// -7 -36.12 dB
// -8 -42.14 dB
$fourbit = str_pad(decbin(($compre & 0xF0) >> 4), 4, '0', STR_PAD_LEFT);
if ($fourbit[0] == '1') {
$log_gain = -8 + bindec(substr($fourbit, 1));
} else {
$log_gain = bindec(substr($fourbit, 1));
}
$log_gain = ($log_gain + 1) * getid3_lib::RGADamplitude2dB(2);
// The value of Y is a linear representation of a gain change of up to -6 dB. Y is considered to
// be an unsigned fractional integer, with a leading value of 1, or: 0.1 Y4 Y5 Y6 Y7 (base 2). Y can
// represent values between 0.111112 (or 31/32) and 0.100002 (or 1/2). Thus, Y can represent gain
// changes from -0.28 dB to -6.02 dB.
$lin_gain = (16 + ($compre & 0x0F)) / 32;
// The combination of X and Y values allows compr to indicate gain changes from
// 48.16 - 0.28 = +47.89 dB, to
// -42.14 - 6.02 = -48.16 dB.
return $log_gain - $lin_gain;
}
/**
* @param int $roomtyp
*
* @return string|false
*/
public static function roomTypeLookup($roomtyp) {
static $roomTypeLookup = array(
0 => 'not indicated',
1 => 'large room, X curve monitor',
2 => 'small room, flat monitor',
3 => 'reserved'
);
return (isset($roomTypeLookup[$roomtyp]) ? $roomTypeLookup[$roomtyp] : false);
}
/**
* @param int $frmsizecod
* @param int $fscod
*
* @return int|false
*/
public static function frameSizeLookup($frmsizecod, $fscod) {
// LSB is whether padding is used or not
$padding = (bool) ($frmsizecod & 0x01);
$framesizeid = ($frmsizecod & 0x3E) >> 1;
static $frameSizeLookup = array();
if (empty($frameSizeLookup)) {
$frameSizeLookup = array (
0 => array( 128, 138, 192), // 32 kbps
1 => array( 160, 174, 240), // 40 kbps
2 => array( 192, 208, 288), // 48 kbps
3 => array( 224, 242, 336), // 56 kbps
4 => array( 256, 278, 384), // 64 kbps
5 => array( 320, 348, 480), // 80 kbps
6 => array( 384, 416, 576), // 96 kbps
7 => array( 448, 486, 672), // 112 kbps
8 => array( 512, 556, 768), // 128 kbps
9 => array( 640, 696, 960), // 160 kbps
10 => array( 768, 834, 1152), // 192 kbps
11 => array( 896, 974, 1344), // 224 kbps
12 => array(1024, 1114, 1536), // 256 kbps
13 => array(1280, 1392, 1920), // 320 kbps
14 => array(1536, 1670, 2304), // 384 kbps
15 => array(1792, 1950, 2688), // 448 kbps
16 => array(2048, 2228, 3072), // 512 kbps
17 => array(2304, 2506, 3456), // 576 kbps
18 => array(2560, 2786, 3840) // 640 kbps
);
}
$paddingBytes = 0;
if (($fscod == 1) && $padding) {
// frame lengths are padded by 1 word (16 bits) at 44100
// (fscode==1) means 44100Hz (see sampleRateCodeLookup)
$paddingBytes = 2;
}
return (isset($frameSizeLookup[$framesizeid][$fscod]) ? $frameSizeLookup[$framesizeid][$fscod] + $paddingBytes : false);
}
/**
* @param int $frmsizecod
*
* @return int|false
*/
public static function bitrateLookup($frmsizecod) {
// LSB is whether padding is used or not
$padding = (bool) ($frmsizecod & 0x01);
$framesizeid = ($frmsizecod & 0x3E) >> 1;
static $bitrateLookup = array(
0 => 32000,
1 => 40000,
2 => 48000,
3 => 56000,
4 => 64000,
5 => 80000,
6 => 96000,
7 => 112000,
8 => 128000,
9 => 160000,
10 => 192000,
11 => 224000,
12 => 256000,
13 => 320000,
14 => 384000,
15 => 448000,
16 => 512000,
17 => 576000,
18 => 640000,
);
return (isset($bitrateLookup[$framesizeid]) ? $bitrateLookup[$framesizeid] : false);
}
/**
* @param int $numblkscod
*
* @return int|false
*/
public static function blocksPerSyncFrame($numblkscod) {
static $blocksPerSyncFrameLookup = array(
0 => 1,
1 => 2,
2 => 3,
3 => 6,
);
return (isset($blocksPerSyncFrameLookup[$numblkscod]) ? $blocksPerSyncFrameLookup[$numblkscod] : false);
}
}

View File

@ -0,0 +1,110 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.aa.php //
// module for analyzing Audible Audiobook files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_amr extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$AMRheader = $this->fread(6);
$magic = '#!AMR'."\x0A";
if (substr($AMRheader, 0, 6) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($AMRheader, 0, 6)).'"');
return false;
}
// shortcut
$info['amr'] = array();
$thisfile_amr = &$info['amr'];
$info['fileformat'] = 'amr';
$info['audio']['dataformat'] = 'amr';
$info['audio']['bitrate_mode'] = 'vbr'; // within a small predefined range: 4.75kbps to 12.2kbps
$info['audio']['bits_per_sample'] = 13; // http://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec: "Sampling frequency 8 kHz/13-bit (160 samples for 20 ms frames), filtered to 2003400 Hz"
$info['audio']['sample_rate'] = 8000; // http://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec: "Sampling frequency 8 kHz/13-bit (160 samples for 20 ms frames), filtered to 2003400 Hz"
$info['audio']['channels'] = 1;
$thisfile_amr['frame_mode_count'] = array(0=>0, 1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 7=>0);
$buffer = '';
do {
if ((strlen($buffer) < $this->getid3->fread_buffer_size()) && !feof($this->getid3->fp)) {
$buffer .= $this->fread($this->getid3->fread_buffer_size() * 2);
}
$AMR_frame_header = ord(substr($buffer, 0, 1));
$codec_mode_request = ($AMR_frame_header & 0x78) >> 3; // The 2nd bit through 5th bit (counting the most significant bit as the first bit) comprise the CMR (Codec Mode Request), values 0-7 being valid for AMR. The top bit of the CMR can actually be ignored, though it is used when AMR forms RTP payloads. The lower 3-bits of the header are reserved and are not used. Viewing the header from most significant bit to least significant bit, the encoding is XCCCCXXX, where Xs are reserved (typically 0) and the Cs are the CMR.
if ($codec_mode_request > 7) {
break;
}
$thisfile_amr['frame_mode_count'][$codec_mode_request]++;
$buffer = substr($buffer, $this->amr_mode_bytes_per_frame($codec_mode_request));
} while (strlen($buffer) > 0);
$info['playtime_seconds'] = array_sum($thisfile_amr['frame_mode_count']) * 0.020; // each frame contain 160 samples and is 20 milliseconds long
$info['audio']['bitrate'] = getid3_lib::SafeDiv(8 * ($info['avdataend'] - $info['avdataoffset']), $info['playtime_seconds']); // bitrate could be calculated from average bitrate by distributation of frame types. That would give effective audio bitrate, this gives overall file bitrate which will be a little bit higher since every frame will waste 8 bits for header, plus a few bits for octet padding
$info['bitrate'] = $info['audio']['bitrate'];
return true;
}
/**
* @param int $key
*
* @return int|false
*/
public function amr_mode_bitrate($key) {
static $amr_mode_bitrate = array(
0 => 4750,
1 => 5150,
2 => 5900,
3 => 6700,
4 => 7400,
5 => 7950,
6 => 10200,
7 => 12200,
);
return (isset($amr_mode_bitrate[$key]) ? $amr_mode_bitrate[$key] : false);
}
/**
* @param int $key
*
* @return int|false
*/
public function amr_mode_bytes_per_frame($key) {
static $amr_mode_bitrate = array(
0 => 13, // 1-byte frame header + 95 bits [padded to: 12 bytes] audio data
1 => 14, // 1-byte frame header + 103 bits [padded to: 13 bytes] audio data
2 => 16, // 1-byte frame header + 118 bits [padded to: 15 bytes] audio data
3 => 18, // 1-byte frame header + 134 bits [padded to: 17 bytes] audio data
4 => 20, // 1-byte frame header + 148 bits [padded to: 19 bytes] audio data
5 => 21, // 1-byte frame header + 159 bits [padded to: 20 bytes] audio data
6 => 27, // 1-byte frame header + 204 bits [padded to: 26 bytes] audio data
7 => 32, // 1-byte frame header + 244 bits [padded to: 31 bytes] audio data
);
return (isset($amr_mode_bitrate[$key]) ? $amr_mode_bitrate[$key] : false);
}
}

View File

@ -0,0 +1,183 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.au.php //
// module for analyzing AU files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_au extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$AUheader = $this->fread(8);
$magic = '.snd';
if (substr($AUheader, 0, 4) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" (".snd") at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($AUheader, 0, 4)).'"');
return false;
}
// shortcut
$info['au'] = array();
$thisfile_au = &$info['au'];
$info['fileformat'] = 'au';
$info['audio']['dataformat'] = 'au';
$info['audio']['bitrate_mode'] = 'cbr';
$thisfile_au['encoding'] = 'ISO-8859-1';
$thisfile_au['header_length'] = getid3_lib::BigEndian2Int(substr($AUheader, 4, 4));
$AUheader .= $this->fread($thisfile_au['header_length'] - 8);
$info['avdataoffset'] += $thisfile_au['header_length'];
$thisfile_au['data_size'] = getid3_lib::BigEndian2Int(substr($AUheader, 8, 4));
$thisfile_au['data_format_id'] = getid3_lib::BigEndian2Int(substr($AUheader, 12, 4));
$thisfile_au['sample_rate'] = getid3_lib::BigEndian2Int(substr($AUheader, 16, 4));
$thisfile_au['channels'] = getid3_lib::BigEndian2Int(substr($AUheader, 20, 4));
$thisfile_au['comments']['comment'][] = trim(substr($AUheader, 24));
$thisfile_au['data_format'] = $this->AUdataFormatNameLookup($thisfile_au['data_format_id']);
$thisfile_au['used_bits_per_sample'] = $this->AUdataFormatUsedBitsPerSampleLookup($thisfile_au['data_format_id']);
if ($thisfile_au['bits_per_sample'] = $this->AUdataFormatBitsPerSampleLookup($thisfile_au['data_format_id'])) {
$info['audio']['bits_per_sample'] = $thisfile_au['bits_per_sample'];
} else {
unset($thisfile_au['bits_per_sample']);
}
$info['audio']['sample_rate'] = $thisfile_au['sample_rate'];
$info['audio']['channels'] = $thisfile_au['channels'];
if (($info['avdataoffset'] + $thisfile_au['data_size']) > $info['avdataend']) {
$this->warning('Possible truncated file - expecting "'.$thisfile_au['data_size'].'" bytes of audio data, only found '.($info['avdataend'] - $info['avdataoffset']).' bytes"');
}
$info['audio']['bitrate'] = $thisfile_au['sample_rate'] * $thisfile_au['channels'] * $thisfile_au['used_bits_per_sample'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($thisfile_au['data_size'], $info['audio']['bitrate'] / 8);
return true;
}
/**
* @param int $id
*
* @return string|false
*/
public function AUdataFormatNameLookup($id) {
static $AUdataFormatNameLookup = array(
0 => 'unspecified format',
1 => '8-bit mu-law',
2 => '8-bit linear',
3 => '16-bit linear',
4 => '24-bit linear',
5 => '32-bit linear',
6 => 'floating-point',
7 => 'double-precision float',
8 => 'fragmented sampled data',
9 => 'SUN_FORMAT_NESTED',
10 => 'DSP program',
11 => '8-bit fixed-point',
12 => '16-bit fixed-point',
13 => '24-bit fixed-point',
14 => '32-bit fixed-point',
16 => 'non-audio display data',
17 => 'SND_FORMAT_MULAW_SQUELCH',
18 => '16-bit linear with emphasis',
19 => '16-bit linear with compression',
20 => '16-bit linear with emphasis + compression',
21 => 'Music Kit DSP commands',
22 => 'SND_FORMAT_DSP_COMMANDS_SAMPLES',
23 => 'CCITT g.721 4-bit ADPCM',
24 => 'CCITT g.722 ADPCM',
25 => 'CCITT g.723 3-bit ADPCM',
26 => 'CCITT g.723 5-bit ADPCM',
27 => 'A-Law 8-bit'
);
return (isset($AUdataFormatNameLookup[$id]) ? $AUdataFormatNameLookup[$id] : false);
}
/**
* @param int $id
*
* @return int|false
*/
public function AUdataFormatBitsPerSampleLookup($id) {
static $AUdataFormatBitsPerSampleLookup = array(
1 => 8,
2 => 8,
3 => 16,
4 => 24,
5 => 32,
6 => 32,
7 => 64,
11 => 8,
12 => 16,
13 => 24,
14 => 32,
18 => 16,
19 => 16,
20 => 16,
23 => 16,
25 => 16,
26 => 16,
27 => 8
);
return (isset($AUdataFormatBitsPerSampleLookup[$id]) ? $AUdataFormatBitsPerSampleLookup[$id] : false);
}
/**
* @param int $id
*
* @return int|false
*/
public function AUdataFormatUsedBitsPerSampleLookup($id) {
static $AUdataFormatUsedBitsPerSampleLookup = array(
1 => 8,
2 => 8,
3 => 16,
4 => 24,
5 => 32,
6 => 32,
7 => 64,
11 => 8,
12 => 16,
13 => 24,
14 => 32,
18 => 16,
19 => 16,
20 => 16,
23 => 4,
25 => 3,
26 => 5,
27 => 8,
);
return (isset($AUdataFormatUsedBitsPerSampleLookup[$id]) ? $AUdataFormatUsedBitsPerSampleLookup[$id] : false);
}
}

View File

@ -0,0 +1,130 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.avr.php //
// module for analyzing AVR Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_avr extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// http://cui.unige.ch/OSG/info/AudioFormats/ap11.html
// http://www.btinternet.com/~AnthonyJ/Atari/programming/avr_format.html
// offset type length name comments
// ---------------------------------------------------------------------
// 0 char 4 ID format ID == "2BIT"
// 4 char 8 name sample name (unused space filled with 0)
// 12 short 1 mono/stereo 0=mono, -1 (0xFFFF)=stereo
// With stereo, samples are alternated,
// the first voice is the left :
// (LRLRLRLRLRLRLRLRLR...)
// 14 short 1 resolution 8, 12 or 16 (bits)
// 16 short 1 signed or not 0=unsigned, -1 (0xFFFF)=signed
// 18 short 1 loop or not 0=no loop, -1 (0xFFFF)=loop on
// 20 short 1 MIDI note 0xFFnn, where 0 <= nn <= 127
// 0xFFFF means "no MIDI note defined"
// 22 byte 1 Replay speed Frequence in the Replay software
// 0=5.485 Khz, 1=8.084 Khz, 2=10.971 Khz,
// 3=16.168 Khz, 4=21.942 Khz, 5=32.336 Khz
// 6=43.885 Khz, 7=47.261 Khz
// -1 (0xFF)=no defined Frequence
// 23 byte 3 sample rate in Hertz
// 26 long 1 size in bytes (2 * bytes in stereo)
// 30 long 1 loop begin 0 for no loop
// 34 long 1 loop size equal to 'size' for no loop
// 38 short 2 Reserved, MIDI keyboard split */
// 40 short 2 Reserved, sample compression */
// 42 short 2 Reserved */
// 44 char 20; Additional filename space, used if (name[7] != 0)
// 64 byte 64 user data
// 128 bytes ? sample data (12 bits samples are coded on 16 bits:
// 0000 xxxx xxxx xxxx)
// ---------------------------------------------------------------------
// Note that all values are in motorola (big-endian) format, and that long is
// assumed to be 4 bytes, and short 2 bytes.
// When reading the samples, you should handle both signed and unsigned data,
// and be prepared to convert 16->8 bit, or mono->stereo if needed. To convert
// 8-bit data between signed/unsigned just add 127 to the sample values.
// Simularly for 16-bit data you should add 32769
$info['fileformat'] = 'avr';
$this->fseek($info['avdataoffset']);
$AVRheader = $this->fread(128);
$info['avr']['raw']['magic'] = substr($AVRheader, 0, 4);
$magic = '2BIT';
if ($info['avr']['raw']['magic'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($info['avr']['raw']['magic']).'"');
unset($info['fileformat']);
unset($info['avr']);
return false;
}
$info['avdataoffset'] += 128;
$info['avr']['sample_name'] = rtrim(substr($AVRheader, 4, 8));
$info['avr']['raw']['mono'] = getid3_lib::BigEndian2Int(substr($AVRheader, 12, 2));
$info['avr']['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($AVRheader, 14, 2));
$info['avr']['raw']['signed'] = getid3_lib::BigEndian2Int(substr($AVRheader, 16, 2));
$info['avr']['raw']['loop'] = getid3_lib::BigEndian2Int(substr($AVRheader, 18, 2));
$info['avr']['raw']['midi'] = getid3_lib::BigEndian2Int(substr($AVRheader, 20, 2));
$info['avr']['raw']['replay_freq'] = getid3_lib::BigEndian2Int(substr($AVRheader, 22, 1));
$info['avr']['sample_rate'] = getid3_lib::BigEndian2Int(substr($AVRheader, 23, 3));
$info['avr']['sample_length'] = getid3_lib::BigEndian2Int(substr($AVRheader, 26, 4));
$info['avr']['loop_start'] = getid3_lib::BigEndian2Int(substr($AVRheader, 30, 4));
$info['avr']['loop_end'] = getid3_lib::BigEndian2Int(substr($AVRheader, 34, 4));
$info['avr']['midi_split'] = getid3_lib::BigEndian2Int(substr($AVRheader, 38, 2));
$info['avr']['sample_compression'] = getid3_lib::BigEndian2Int(substr($AVRheader, 40, 2));
$info['avr']['reserved'] = getid3_lib::BigEndian2Int(substr($AVRheader, 42, 2));
$info['avr']['sample_name_extra'] = rtrim(substr($AVRheader, 44, 20));
$info['avr']['comment'] = rtrim(substr($AVRheader, 64, 64));
$info['avr']['flags']['stereo'] = (($info['avr']['raw']['mono'] == 0) ? false : true);
$info['avr']['flags']['signed'] = (($info['avr']['raw']['signed'] == 0) ? false : true);
$info['avr']['flags']['loop'] = (($info['avr']['raw']['loop'] == 0) ? false : true);
$info['avr']['midi_notes'] = array();
if (($info['avr']['raw']['midi'] & 0xFF00) != 0xFF00) {
$info['avr']['midi_notes'][] = ($info['avr']['raw']['midi'] & 0xFF00) >> 8;
}
if (($info['avr']['raw']['midi'] & 0x00FF) != 0x00FF) {
$info['avr']['midi_notes'][] = ($info['avr']['raw']['midi'] & 0x00FF);
}
if (($info['avdataend'] - $info['avdataoffset']) != ($info['avr']['sample_length'] * (($info['avr']['bits_per_sample'] == 8) ? 1 : 2))) {
$this->warning('Probable truncated file: expecting '.($info['avr']['sample_length'] * (($info['avr']['bits_per_sample'] == 8) ? 1 : 2)).' bytes of audio data, found '.($info['avdataend'] - $info['avdataoffset']));
}
$info['audio']['dataformat'] = 'avr';
$info['audio']['lossless'] = true;
$info['audio']['bitrate_mode'] = 'cbr';
$info['audio']['bits_per_sample'] = $info['avr']['bits_per_sample'];
$info['audio']['sample_rate'] = $info['avr']['sample_rate'];
$info['audio']['channels'] = ($info['avr']['flags']['stereo'] ? 2 : 1);
$bits_per_sample = ($info['avr']['bits_per_sample'] == 8) ? 8 : 16;
$info['audio']['bitrate'] = $bits_per_sample * $info['audio']['channels'] * $info['avr']['sample_rate'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['avr']['sample_length'] * $bits_per_sample, $info['audio']['bitrate']);
return true;
}
}

View File

@ -0,0 +1,243 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.la.php //
// module for analyzing BONK audio files //
// dependencies: module.tag.id3v2.php (optional) //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_bonk extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// shortcut
$info['bonk'] = array();
$thisfile_bonk = &$info['bonk'];
$thisfile_bonk['dataoffset'] = $info['avdataoffset'];
$thisfile_bonk['dataend'] = $info['avdataend'];
if (!getid3_lib::intValueSupported($thisfile_bonk['dataend'])) {
$this->warning('Unable to parse BONK file from end (v0.6+ preferred method) because PHP filesystem functions only support up to '.round(PHP_INT_MAX / 1073741824).'GB');
} else {
// scan-from-end method, for v0.6 and higher
$this->fseek($thisfile_bonk['dataend'] - 8);
$PossibleBonkTag = $this->fread(8);
while ($this->BonkIsValidTagName(substr($PossibleBonkTag, 4, 4), true)) {
$BonkTagSize = getid3_lib::LittleEndian2Int(substr($PossibleBonkTag, 0, 4));
$this->fseek(0 - $BonkTagSize, SEEK_CUR);
$BonkTagOffset = $this->ftell();
$TagHeaderTest = $this->fread(5);
if (($TagHeaderTest[0] != "\x00") || (substr($PossibleBonkTag, 4, 4) != strtolower(substr($PossibleBonkTag, 4, 4)))) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes("\x00".strtoupper(substr($PossibleBonkTag, 4, 4))).'" at offset '.$BonkTagOffset.', found "'.getid3_lib::PrintHexBytes($TagHeaderTest).'"');
return false;
}
$BonkTagName = substr($TagHeaderTest, 1, 4);
$thisfile_bonk[$BonkTagName]['size'] = $BonkTagSize;
$thisfile_bonk[$BonkTagName]['offset'] = $BonkTagOffset;
$this->HandleBonkTags($BonkTagName);
$NextTagEndOffset = $BonkTagOffset - 8;
if ($NextTagEndOffset < $thisfile_bonk['dataoffset']) {
if (empty($info['audio']['encoder'])) {
$info['audio']['encoder'] = 'Extended BONK v0.9+';
}
return true;
}
$this->fseek($NextTagEndOffset);
$PossibleBonkTag = $this->fread(8);
}
}
// seek-from-beginning method for v0.4 and v0.5
if (empty($thisfile_bonk['BONK'])) {
$this->fseek($thisfile_bonk['dataoffset']);
do {
$TagHeaderTest = $this->fread(5);
switch ($TagHeaderTest) {
case "\x00".'BONK':
if (empty($info['audio']['encoder'])) {
$info['audio']['encoder'] = 'BONK v0.4';
}
break;
case "\x00".'INFO':
$info['audio']['encoder'] = 'Extended BONK v0.5';
break;
default:
break 2;
}
$BonkTagName = substr($TagHeaderTest, 1, 4);
$thisfile_bonk[$BonkTagName]['size'] = $thisfile_bonk['dataend'] - $thisfile_bonk['dataoffset'];
$thisfile_bonk[$BonkTagName]['offset'] = $thisfile_bonk['dataoffset'];
$this->HandleBonkTags($BonkTagName);
} while (true);
}
// parse META block for v0.6 - v0.8
if (empty($thisfile_bonk['INFO']) && isset($thisfile_bonk['META']['tags']['info'])) {
$this->fseek($thisfile_bonk['META']['tags']['info']);
$TagHeaderTest = $this->fread(5);
if ($TagHeaderTest == "\x00".'INFO') {
$info['audio']['encoder'] = 'Extended BONK v0.6 - v0.8';
$BonkTagName = substr($TagHeaderTest, 1, 4);
$thisfile_bonk[$BonkTagName]['size'] = $thisfile_bonk['dataend'] - $thisfile_bonk['dataoffset'];
$thisfile_bonk[$BonkTagName]['offset'] = $thisfile_bonk['dataoffset'];
$this->HandleBonkTags($BonkTagName);
}
}
if (empty($info['audio']['encoder'])) {
$info['audio']['encoder'] = 'Extended BONK v0.9+';
}
if (empty($thisfile_bonk['BONK'])) {
unset($info['bonk']);
}
return true;
}
/**
* @param string $BonkTagName
*/
public function HandleBonkTags($BonkTagName) {
$info = &$this->getid3->info;
switch ($BonkTagName) {
case 'BONK':
// shortcut
$thisfile_bonk_BONK = &$info['bonk']['BONK'];
$BonkData = "\x00".'BONK'.$this->fread(17);
$thisfile_bonk_BONK['version'] = getid3_lib::LittleEndian2Int(substr($BonkData, 5, 1));
$thisfile_bonk_BONK['number_samples'] = getid3_lib::LittleEndian2Int(substr($BonkData, 6, 4));
$thisfile_bonk_BONK['sample_rate'] = getid3_lib::LittleEndian2Int(substr($BonkData, 10, 4));
$thisfile_bonk_BONK['channels'] = getid3_lib::LittleEndian2Int(substr($BonkData, 14, 1));
$thisfile_bonk_BONK['lossless'] = (bool) getid3_lib::LittleEndian2Int(substr($BonkData, 15, 1));
$thisfile_bonk_BONK['joint_stereo'] = (bool) getid3_lib::LittleEndian2Int(substr($BonkData, 16, 1));
$thisfile_bonk_BONK['number_taps'] = getid3_lib::LittleEndian2Int(substr($BonkData, 17, 2));
$thisfile_bonk_BONK['downsampling_ratio'] = getid3_lib::LittleEndian2Int(substr($BonkData, 19, 1));
$thisfile_bonk_BONK['samples_per_packet'] = getid3_lib::LittleEndian2Int(substr($BonkData, 20, 2));
$info['avdataoffset'] = $thisfile_bonk_BONK['offset'] + 5 + 17;
$info['avdataend'] = $thisfile_bonk_BONK['offset'] + $thisfile_bonk_BONK['size'];
$info['fileformat'] = 'bonk';
$info['audio']['dataformat'] = 'bonk';
$info['audio']['bitrate_mode'] = 'vbr'; // assumed
$info['audio']['channels'] = $thisfile_bonk_BONK['channels'];
$info['audio']['sample_rate'] = $thisfile_bonk_BONK['sample_rate'];
$info['audio']['channelmode'] = ($thisfile_bonk_BONK['joint_stereo'] ? 'joint stereo' : 'stereo');
$info['audio']['lossless'] = $thisfile_bonk_BONK['lossless'];
$info['audio']['codec'] = 'bonk';
$info['playtime_seconds'] = getid3_lib::SafeDiv($thisfile_bonk_BONK['number_samples'], $thisfile_bonk_BONK['sample_rate'] * $thisfile_bonk_BONK['channels']);
if ($info['playtime_seconds'] > 0) {
$info['audio']['bitrate'] = (($info['bonk']['dataend'] - $info['bonk']['dataoffset']) * 8) / $info['playtime_seconds'];
}
break;
case 'INFO':
// shortcut
$thisfile_bonk_INFO = &$info['bonk']['INFO'];
$thisfile_bonk_INFO['version'] = getid3_lib::LittleEndian2Int($this->fread(1));
$thisfile_bonk_INFO['entries_count'] = 0;
$NextInfoDataPair = $this->fread(5);
if (!$this->BonkIsValidTagName(substr($NextInfoDataPair, 1, 4))) {
while (!feof($this->getid3->fp)) {
//$CurrentSeekInfo['offset'] = getid3_lib::LittleEndian2Int(substr($NextInfoDataPair, 0, 4));
//$CurrentSeekInfo['nextbit'] = getid3_lib::LittleEndian2Int(substr($NextInfoDataPair, 4, 1));
//$thisfile_bonk_INFO[] = $CurrentSeekInfo;
$NextInfoDataPair = $this->fread(5);
if ($this->BonkIsValidTagName(substr($NextInfoDataPair, 1, 4))) {
$this->fseek(-5, SEEK_CUR);
break;
}
$thisfile_bonk_INFO['entries_count']++;
}
}
break;
case 'META':
$BonkData = "\x00".'META'.$this->fread($info['bonk']['META']['size'] - 5);
$info['bonk']['META']['version'] = getid3_lib::LittleEndian2Int(substr($BonkData, 5, 1));
$MetaTagEntries = floor(((strlen($BonkData) - 8) - 6) / 8); // BonkData - xxxxmeta - ØMETA
$offset = 6;
for ($i = 0; $i < $MetaTagEntries; $i++) {
$MetaEntryTagName = substr($BonkData, $offset, 4);
$offset += 4;
$MetaEntryTagOffset = getid3_lib::LittleEndian2Int(substr($BonkData, $offset, 4));
$offset += 4;
$info['bonk']['META']['tags'][$MetaEntryTagName] = $MetaEntryTagOffset;
}
break;
case ' ID3':
$info['audio']['encoder'] = 'Extended BONK v0.9+';
// ID3v2 checking is optional
if (class_exists('getid3_id3v2')) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_id3v2 = new getid3_id3v2($getid3_temp);
$getid3_id3v2->StartingOffset = $info['bonk'][' ID3']['offset'] + 2;
$info['bonk'][' ID3']['valid'] = $getid3_id3v2->Analyze();
if ($info['bonk'][' ID3']['valid']) {
$info['id3v2'] = $getid3_temp->info['id3v2'];
}
unset($getid3_temp, $getid3_id3v2);
}
break;
default:
$this->warning('Unexpected Bonk tag "'.$BonkTagName.'" at offset '.$info['bonk'][$BonkTagName]['offset']);
break;
}
}
/**
* @param string $PossibleBonkTag
* @param bool $ignorecase
*
* @return bool
*/
public static function BonkIsValidTagName($PossibleBonkTag, $ignorecase=false) {
static $BonkIsValidTagName = array('BONK', 'INFO', ' ID3', 'META');
foreach ($BonkIsValidTagName as $validtagname) {
if ($validtagname == $PossibleBonkTag) {
return true;
} elseif ($ignorecase && (strtolower($validtagname) == strtolower($PossibleBonkTag))) {
return true;
}
}
return false;
}
}

View File

@ -0,0 +1,315 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.dsdiff.php //
// module for analyzing Direct Stream Digital Interchange //
// File Format (DSDIFF) files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_dsdiff extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$DSDIFFheader = $this->fread(4);
// https://dsd-guide.com/sites/default/files/white-papers/DSDIFF_1.5_Spec.pdf
if (substr($DSDIFFheader, 0, 4) != 'FRM8') {
$this->error('Expecting "FRM8" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($DSDIFFheader, 0, 4)).'"');
return false;
}
unset($DSDIFFheader);
$this->fseek($info['avdataoffset']);
$info['encoding'] = 'ISO-8859-1'; // not certain, but assumed
$info['fileformat'] = 'dsdiff';
$info['mime_type'] = 'audio/dsd';
$info['audio']['dataformat'] = 'dsdiff';
$info['audio']['bitrate_mode'] = 'cbr';
$info['audio']['bits_per_sample'] = 1;
$info['dsdiff'] = array();
$thisChunk = null;
while (!$this->feof() && ($ChunkHeader = $this->fread(12))) {
if (strlen($ChunkHeader) < 12) {
$this->error('Expecting chunk header at offset '.(isset($thisChunk['offset']) ? $thisChunk['offset'] : 'N/A').', found insufficient data in file, aborting parsing');
break;
}
$thisChunk = array();
$thisChunk['offset'] = $this->ftell() - 12;
$thisChunk['name'] = substr($ChunkHeader, 0, 4);
if (!preg_match('#^[\\x21-\\x7E]+ *$#', $thisChunk['name'])) {
// "a concatenation of four printable ASCII characters in the range ' ' (space, 0x20) through '~'(0x7E). Space (0x20) cannot precede printing characters; trailing spaces are allowed."
$this->error('Invalid chunk name "'.$thisChunk['name'].'" ('.getid3_lib::PrintHexBytes($thisChunk['name']).') at offset '.$thisChunk['offset'].', aborting parsing');
}
$thisChunk['size'] = getid3_lib::BigEndian2Int(substr($ChunkHeader, 4, 8));
$datasize = $thisChunk['size'] + ($thisChunk['size'] % 2); // "If the data is an odd number of bytes in length, a pad byte must be added at the end. The pad byte is not included in ckDataSize."
switch ($thisChunk['name']) {
case 'FRM8':
$thisChunk['form_type'] = $this->fread(4);
if ($thisChunk['form_type'] != 'DSD ') {
$this->error('Expecting "DSD " at offset '.($this->ftell() - 4).', found "'.getid3_lib::PrintHexBytes($thisChunk['form_type']).'", aborting parsing');
break 2;
}
// do nothing further, prevent skipping subchunks
break;
case 'PROP': // PROPerty chunk
$thisChunk['prop_type'] = $this->fread(4);
if ($thisChunk['prop_type'] != 'SND ') {
$this->error('Expecting "SND " at offset '.($this->ftell() - 4).', found "'.getid3_lib::PrintHexBytes($thisChunk['prop_type']).'", aborting parsing');
break 2;
}
// do nothing further, prevent skipping subchunks
break;
case 'DIIN': // eDIted master INformation chunk
// do nothing, just prevent skipping subchunks
break;
case 'FVER': // Format VERsion chunk
if ($thisChunk['size'] == 4) {
$FVER = $this->fread(4);
$info['dsdiff']['format_version'] = ord($FVER[0]).'.'.ord($FVER[1]).'.'.ord($FVER[2]).'.'.ord($FVER[3]);
unset($FVER);
} else {
$this->warning('Expecting "FVER" chunk to be 4 bytes, found '.$thisChunk['size'].' bytes, skipping chunk');
$this->fseek($datasize, SEEK_CUR);
}
break;
case 'FS ': // sample rate chunk
if ($thisChunk['size'] == 4) {
$info['dsdiff']['sample_rate'] = getid3_lib::BigEndian2Int($this->fread(4));
$info['audio']['sample_rate'] = $info['dsdiff']['sample_rate'];
} else {
$this->warning('Expecting "FVER" chunk to be 4 bytes, found '.$thisChunk['size'].' bytes, skipping chunk');
$this->fseek($datasize, SEEK_CUR);
}
break;
case 'CHNL': // CHaNneLs chunk
$thisChunk['num_channels'] = getid3_lib::BigEndian2Int($this->fread(2));
if ($thisChunk['num_channels'] == 0) {
$this->warning('channel count should be greater than zero, skipping chunk');
$this->fseek($datasize - 2, SEEK_CUR);
}
for ($i = 0; $i < $thisChunk['num_channels']; $i++) {
$thisChunk['channels'][$i] = $this->fread(4);
}
$info['audio']['channels'] = $thisChunk['num_channels'];
break;
case 'CMPR': // CoMPRession type chunk
$thisChunk['compression_type'] = $this->fread(4);
$info['audio']['dataformat'] = trim($thisChunk['compression_type']);
$humanReadableByteLength = getid3_lib::BigEndian2Int($this->fread(1));
$thisChunk['compression_name'] = $this->fread($humanReadableByteLength);
if (($humanReadableByteLength % 2) == 0) {
// need to seek to multiple of 2 bytes, human-readable string length is only one byte long so if the string is an even number of bytes we need to seek past a padding byte after the string
$this->fseek(1, SEEK_CUR);
}
unset($humanReadableByteLength);
break;
case 'ABSS': // ABSolute Start time chunk
$ABSS = $this->fread(8);
$info['dsdiff']['absolute_start_time']['hours'] = getid3_lib::BigEndian2Int(substr($ABSS, 0, 2));
$info['dsdiff']['absolute_start_time']['minutes'] = getid3_lib::BigEndian2Int(substr($ABSS, 2, 1));
$info['dsdiff']['absolute_start_time']['seconds'] = getid3_lib::BigEndian2Int(substr($ABSS, 3, 1));
$info['dsdiff']['absolute_start_time']['samples'] = getid3_lib::BigEndian2Int(substr($ABSS, 4, 4));
unset($ABSS);
break;
case 'LSCO': // LoudSpeaker COnfiguration chunk
// 0 = 2-channel stereo set-up
// 3 = 5-channel set-up according to ITU-R BS.775-1 [ITU]
// 4 = 6-channel set-up, 5-channel set-up according to ITU-R BS.775-1 [ITU], plus additional Low Frequency Enhancement (LFE) loudspeaker. Also known as "5.1 configuration"
// 65535 = Undefined channel set-up
$thisChunk['loundspeaker_config_id'] = getid3_lib::BigEndian2Int($this->fread(2));
break;
case 'COMT': // COMmenTs chunk
$thisChunk['num_comments'] = getid3_lib::BigEndian2Int($this->fread(2));
for ($i = 0; $i < $thisChunk['num_comments']; $i++) {
$thisComment = array();
$COMT = $this->fread(14);
$thisComment['creation_year'] = getid3_lib::BigEndian2Int(substr($COMT, 0, 2));
$thisComment['creation_month'] = getid3_lib::BigEndian2Int(substr($COMT, 2, 1));
$thisComment['creation_day'] = getid3_lib::BigEndian2Int(substr($COMT, 3, 1));
$thisComment['creation_hour'] = getid3_lib::BigEndian2Int(substr($COMT, 4, 1));
$thisComment['creation_minute'] = getid3_lib::BigEndian2Int(substr($COMT, 5, 1));
$thisComment['comment_type_id'] = getid3_lib::BigEndian2Int(substr($COMT, 6, 2));
$thisComment['comment_ref_id'] = getid3_lib::BigEndian2Int(substr($COMT, 8, 2));
$thisComment['string_length'] = getid3_lib::BigEndian2Int(substr($COMT, 10, 4));
$thisComment['comment_text'] = $this->fread($thisComment['string_length']);
if ($thisComment['string_length'] % 2) {
// commentText[] is the description of the Comment. This text must be padded with a byte at the end, if needed, to make it an even number of bytes long. This pad byte, if present, is not included in count.
$this->fseek(1, SEEK_CUR);
}
$thisComment['comment_type'] = $this->DSDIFFcmtType($thisComment['comment_type_id']);
$thisComment['comment_reference'] = $this->DSDIFFcmtRef($thisComment['comment_type_id'], $thisComment['comment_ref_id']);
$thisComment['creation_unix'] = mktime($thisComment['creation_hour'], $thisComment['creation_minute'], 0, $thisComment['creation_month'], $thisComment['creation_day'], $thisComment['creation_year']);
$thisChunk['comments'][$i] = $thisComment;
$commentkey = ($thisComment['comment_reference'] ?: 'comment');
$info['dsdiff']['comments'][$commentkey][] = $thisComment['comment_text'];
unset($thisComment);
}
break;
case 'MARK': // MARKer chunk
$MARK = $this->fread(22);
$thisChunk['marker_hours'] = getid3_lib::BigEndian2Int(substr($MARK, 0, 2));
$thisChunk['marker_minutes'] = getid3_lib::BigEndian2Int(substr($MARK, 2, 1));
$thisChunk['marker_seconds'] = getid3_lib::BigEndian2Int(substr($MARK, 3, 1));
$thisChunk['marker_samples'] = getid3_lib::BigEndian2Int(substr($MARK, 4, 4));
$thisChunk['marker_offset'] = getid3_lib::BigEndian2Int(substr($MARK, 8, 4));
$thisChunk['marker_type_id'] = getid3_lib::BigEndian2Int(substr($MARK, 12, 2));
$thisChunk['marker_channel'] = getid3_lib::BigEndian2Int(substr($MARK, 14, 2));
$thisChunk['marker_flagraw'] = getid3_lib::BigEndian2Int(substr($MARK, 16, 2));
$thisChunk['string_length'] = getid3_lib::BigEndian2Int(substr($MARK, 18, 4));
$thisChunk['description'] = ($thisChunk['string_length'] ? $this->fread($thisChunk['string_length']) : '');
if ($thisChunk['string_length'] % 2) {
// markerText[] is the description of the marker. This text must be padded with a byte at the end, if needed, to make it an even number of bytes long. This pad byte, if present, is not included in count.
$this->fseek(1, SEEK_CUR);
}
$thisChunk['marker_type'] = $this->DSDIFFmarkType($thisChunk['marker_type_id']);
unset($MARK);
break;
case 'DIAR': // artist chunk
case 'DITI': // title chunk
$thisChunk['string_length'] = getid3_lib::BigEndian2Int($this->fread(4));
$thisChunk['description'] = ($thisChunk['string_length'] ? $this->fread($thisChunk['string_length']) : '');
if ($thisChunk['string_length'] % 2) {
// This text must be padded with a byte at the end, if needed, to make it an even number of bytes long. This pad byte, if present, is not included in count.
$this->fseek(1, SEEK_CUR);
}
$commentKeys = array(
'DIAR' => 'artist',
'DITI' => 'title'
);
$commentkey = $commentKeys[$thisChunk['name']];
$info['dsdiff']['comments'][$commentkey][] = $thisChunk['description'];
break;
case 'EMID': // Edited Master ID chunk
if ($thisChunk['size']) {
$thisChunk['identifier'] = $this->fread($thisChunk['size']);
}
break;
case 'ID3 ':
$endOfID3v2 = $this->ftell() + $datasize; // we will need to reset the filepointer after parsing ID3v2
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_id3v2 = new getid3_id3v2($getid3_temp);
$getid3_id3v2->StartingOffset = $this->ftell();
if ($thisChunk['valid'] = $getid3_id3v2->Analyze()) {
$info['id3v2'] = $getid3_temp->info['id3v2'];
}
unset($getid3_temp, $getid3_id3v2);
$this->fseek($endOfID3v2);
break;
case 'DSD ': // DSD sound data chunk
case 'DST ': // DST sound data chunk
// actual audio data, we're not interested, skip
$this->fseek($datasize, SEEK_CUR);
break;
default:
$this->warning('Unhandled chunk "'.$thisChunk['name'].'"');
$this->fseek($datasize, SEEK_CUR);
break;
}
@$info['dsdiff']['chunks'][] = $thisChunk;
//break;
}
if (empty($info['audio']['bitrate']) && !empty($info['audio']['channels']) && !empty($info['audio']['sample_rate']) && !empty($info['audio']['bits_per_sample'])) {
$info['audio']['bitrate'] = $info['audio']['bits_per_sample'] * $info['audio']['sample_rate'] * $info['audio']['channels'];
}
return true;
}
/**
* @param int $cmtType
*
* @return string
*/
public static function DSDIFFcmtType($cmtType) {
static $DSDIFFcmtType = array(
0 => 'General (album) Comment',
1 => 'Channel Comment',
2 => 'Sound Source',
3 => 'File History',
);
return (isset($DSDIFFcmtType[$cmtType]) ? $DSDIFFcmtType[$cmtType] : 'reserved');
}
/**
* @param int $cmtType
* @param int $cmtRef
*
* @return string
*/
public static function DSDIFFcmtRef($cmtType, $cmtRef) {
static $DSDIFFcmtRef = array(
2 => array( // Sound Source
0 => 'DSD recording',
1 => 'Analogue recording',
2 => 'PCM recording',
),
3 => array( // File History
0 => 'comment', // General Remark
1 => 'encodeby', // Name of the operator
2 => 'encoder', // Name or type of the creating machine
3 => 'timezone', // Time zone information
4 => 'revision', // Revision of the file
),
);
switch ($cmtType) {
case 0:
// If the comment type is General Comment the comment reference must be 0
return '';
case 1:
// If the comment type is Channel Comment, the comment reference defines the channel number to which the comment belongs
return ($cmtRef ? 'channel '.$cmtRef : 'all channels');
case 2:
case 3:
return (isset($DSDIFFcmtRef[$cmtType][$cmtRef]) ? $DSDIFFcmtRef[$cmtType][$cmtRef] : 'reserved');
}
return 'unsupported $cmtType='.$cmtType;
}
/**
* @param int $markType
*
* @return string
*/
public static function DSDIFFmarkType($markType) {
static $DSDIFFmarkType = array(
0 => 'TrackStart', // Entry point for a Track start
1 => 'TrackStop', // Entry point for ending a Track
2 => 'ProgramStart', // Start point of 2-channel or multi-channel area
3 => 'Obsolete', //
4 => 'Index', // Entry point of an Index
);
return (isset($DSDIFFmarkType[$markType]) ? $DSDIFFmarkType[$markType] : 'reserved');
}
}

View File

@ -0,0 +1,142 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.dsf.php //
// module for analyzing dsf/DSF Audio files //
// dependencies: module.tag.id3v2.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
class getid3_dsf extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'dsf';
$info['audio']['dataformat'] = 'dsf';
$info['audio']['lossless'] = true;
$info['audio']['bitrate_mode'] = 'cbr';
$this->fseek($info['avdataoffset']);
$dsfheader = $this->fread(28 + 12);
$headeroffset = 0;
$info['dsf']['dsd']['magic'] = substr($dsfheader, $headeroffset, 4);
$headeroffset += 4;
$magic = 'DSD ';
if ($info['dsf']['dsd']['magic'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($info['dsf']['dsd']['magic']).'"');
unset($info['fileformat']);
unset($info['audio']);
unset($info['dsf']);
return false;
}
$info['dsf']['dsd']['dsd_chunk_size'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 8)); // should be 28
$headeroffset += 8;
$info['dsf']['dsd']['dsf_file_size'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 8));
$headeroffset += 8;
$info['dsf']['dsd']['meta_chunk_offset'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 8));
$headeroffset += 8;
$info['dsf']['fmt']['magic'] = substr($dsfheader, $headeroffset, 4);
$headeroffset += 4;
$magic = 'fmt ';
if ($info['dsf']['fmt']['magic'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$headeroffset.', found "'.getid3_lib::PrintHexBytes($info['dsf']['fmt']['magic']).'"');
return false;
}
$info['dsf']['fmt']['fmt_chunk_size'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 8)); // usually 52 bytes
$headeroffset += 8;
$dsfheader .= $this->fread($info['dsf']['fmt']['fmt_chunk_size'] - 12 + 12); // we have already read the entire DSD chunk, plus 12 bytes of FMT. We now want to read the size of FMT, plus 12 bytes into the next chunk to get magic and size.
if (strlen($dsfheader) != ($info['dsf']['dsd']['dsd_chunk_size'] + $info['dsf']['fmt']['fmt_chunk_size'] + 12)) {
$this->error('Expecting '.($info['dsf']['dsd']['dsd_chunk_size'] + $info['dsf']['fmt']['fmt_chunk_size']).' bytes header, found '.strlen($dsfheader).' bytes');
return false;
}
$info['dsf']['fmt']['format_version'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4)); // usually "1"
$headeroffset += 4;
$info['dsf']['fmt']['format_id'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4)); // usually "0" = "DSD Raw"
$headeroffset += 4;
$info['dsf']['fmt']['channel_type_id'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4));
$headeroffset += 4;
$info['dsf']['fmt']['channels'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4));
$headeroffset += 4;
$info['dsf']['fmt']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4));
$headeroffset += 4;
$info['dsf']['fmt']['bits_per_sample'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4));
$headeroffset += 4;
$info['dsf']['fmt']['sample_count'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 8));
$headeroffset += 8;
$info['dsf']['fmt']['channel_block_size'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4));
$headeroffset += 4;
$info['dsf']['fmt']['reserved'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 4)); // zero-filled
$headeroffset += 4;
$info['dsf']['data']['magic'] = substr($dsfheader, $headeroffset, 4);
$headeroffset += 4;
$magic = 'data';
if ($info['dsf']['data']['magic'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$headeroffset.', found "'.getid3_lib::PrintHexBytes($info['dsf']['data']['magic']).'"');
return false;
}
$info['dsf']['data']['data_chunk_size'] = getid3_lib::LittleEndian2Int(substr($dsfheader, $headeroffset, 8));
$headeroffset += 8;
$info['avdataoffset'] = $headeroffset;
$info['avdataend'] = $info['avdataoffset'] + $info['dsf']['data']['data_chunk_size'];
if ($info['dsf']['dsd']['meta_chunk_offset'] > 0) {
$getid3_id3v2 = new getid3_id3v2($this->getid3);
$getid3_id3v2->StartingOffset = $info['dsf']['dsd']['meta_chunk_offset'];
$getid3_id3v2->Analyze();
unset($getid3_id3v2);
}
$info['dsf']['fmt']['channel_type'] = $this->DSFchannelTypeLookup($info['dsf']['fmt']['channel_type_id']);
$info['audio']['channelmode'] = $info['dsf']['fmt']['channel_type'];
$info['audio']['bits_per_sample'] = $info['dsf']['fmt']['bits_per_sample'];
$info['audio']['sample_rate'] = $info['dsf']['fmt']['sample_rate'];
$info['audio']['channels'] = $info['dsf']['fmt']['channels'];
$info['audio']['bitrate'] = $info['audio']['bits_per_sample'] * $info['audio']['sample_rate'] * $info['audio']['channels'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['dsf']['data']['data_chunk_size'] * 8, $info['audio']['bitrate']);
return true;
}
/**
* @param int $channel_type_id
*
* @return string
*/
public static function DSFchannelTypeLookup($channel_type_id) {
static $DSFchannelTypeLookup = array(
// interleaving order:
1 => 'mono', // 1: Mono
2 => 'stereo', // 1: Front-Left; 2: Front-Right
3 => '3-channel', // 1: Front-Left; 2: Front-Right; 3: Center
4 => 'quad', // 1: Front-Left; 2: Front-Right; 3: Back-Left; 4: Back-Right
5 => '4-channel', // 1: Front-Left; 2: Front-Right; 3: Center; 4: Low-Frequency
6 => '5-channel', // 1: Front-Left; 2: Front-Right; 3: Center; 4: Back-Left 5: Back-Right
7 => '5.1', // 1: Front-Left; 2: Front-Right; 3: Center; 4: Low-Frequency; 5: Back-Left; 6: Back-Right
);
return (isset($DSFchannelTypeLookup[$channel_type_id]) ? $DSFchannelTypeLookup[$channel_type_id] : '');
}
}

View File

@ -0,0 +1,116 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.dss.php //
// module for analyzing Digital Speech Standard (DSS) files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_dss extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$DSSheader = $this->fread(1540);
if (!preg_match('#^[\\x02-\\x08]ds[s2]#', $DSSheader)) {
$this->error('Expecting "[02-08] 64 73 [73|32]" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($DSSheader, 0, 4)).'"');
return false;
}
// some structure information taken from http://cpansearch.perl.org/src/RGIBSON/Audio-DSS-0.02/lib/Audio/DSS.pm
$info['encoding'] = 'ISO-8859-1'; // not certain, but assumed
$info['dss'] = array();
$info['fileformat'] = 'dss';
$info['mime_type'] = 'audio/x-'.substr($DSSheader, 1, 3); // "audio/x-dss" or "audio/x-ds2"
$info['audio']['dataformat'] = substr($DSSheader, 1, 3); // "dss" or "ds2"
$info['audio']['bitrate_mode'] = 'cbr';
$info['dss']['version'] = ord(substr($DSSheader, 0, 1));
$info['dss']['hardware'] = trim(substr($DSSheader, 12, 16)); // identification string for hardware used to create the file, e.g. "DPM 9600", "DS2400"
$info['dss']['unknown1'] = getid3_lib::LittleEndian2Int(substr($DSSheader, 28, 4));
// 32-37 = "FE FF FE FF F7 FF" in all the sample files I've seen
$info['dss']['date_create_unix'] = $this->DSSdateStringToUnixDate(substr($DSSheader, 38, 12));
$info['dss']['date_complete_unix'] = $this->DSSdateStringToUnixDate(substr($DSSheader, 50, 12));
$info['dss']['playtime_sec'] = ((int) substr($DSSheader, 62, 2) * 3600) + ((int) substr($DSSheader, 64, 2) * 60) + (int) substr($DSSheader, 66, 2); // approximate file playtime in HHMMSS
if ($info['dss']['version'] <= 3) {
$info['dss']['playtime_ms'] = getid3_lib::LittleEndian2Int(substr($DSSheader, 512, 4)); // exact file playtime in milliseconds. Has also been observed at offset 530 in one sample file, with something else (unknown) at offset 512
$info['dss']['priority'] = ord(substr($DSSheader, 793, 1));
$info['dss']['comments'] = trim(substr($DSSheader, 798, 100));
$info['dss']['sample_rate_index'] = ord(substr($DSSheader, 1538, 1)); // this isn't certain, this may or may not be where the sample rate info is stored, but it seems consistent on my small selection of sample files
$info['audio']['sample_rate'] = $this->DSSsampleRateLookup($info['dss']['sample_rate_index']);
} else {
$this->getid3->warning('DSS above version 3 not fully supported in this version of getID3. Any additional documentation or format specifications would be welcome. This file is version '.$info['dss']['version']);
}
$info['audio']['bits_per_sample'] = 16; // maybe, maybe not -- most compressed audio formats don't have a fixed bits-per-sample value, but this is a reasonable approximation
$info['audio']['channels'] = 1;
if (!empty($info['dss']['playtime_ms']) && (floor($info['dss']['playtime_ms'] / 1000) == $info['dss']['playtime_sec'])) { // *should* just be playtime_ms / 1000 but at least one sample file has playtime_ms at offset 530 instead of offset 512, so safety check
$info['playtime_seconds'] = $info['dss']['playtime_ms'] / 1000;
} else {
$info['playtime_seconds'] = $info['dss']['playtime_sec'];
if (!empty($info['dss']['playtime_ms'])) {
$this->getid3->warning('playtime_ms ('.number_format($info['dss']['playtime_ms'] / 1000, 3).') does not match playtime_sec ('.number_format($info['dss']['playtime_sec']).') - using playtime_sec value');
}
}
if ($info['playtime_seconds'] > 0) {
$info['audio']['bitrate'] = ($info['filesize'] * 8) / $info['playtime_seconds'];
}
return true;
}
/**
* @param string $datestring
*
* @return int|false
*/
public function DSSdateStringToUnixDate($datestring) {
$y = (int) substr($datestring, 0, 2);
$m = (int) substr($datestring, 2, 2);
$d = (int) substr($datestring, 4, 2);
$h = (int) substr($datestring, 6, 2);
$i = (int) substr($datestring, 8, 2);
$s = (int) substr($datestring, 10, 2);
$y += (($y < 95) ? 2000 : 1900);
return mktime($h, $i, $s, $m, $d, $y);
}
/**
* @param int $sample_rate_index
*
* @return int|false
*/
public function DSSsampleRateLookup($sample_rate_index) {
static $dssSampleRateLookup = array(
0x0A => 16000,
0x0C => 11025,
0x0D => 12000,
0x15 => 8000,
);
if (!array_key_exists($sample_rate_index, $dssSampleRateLookup)) {
$this->getid3->warning('unknown sample_rate_index: 0x'.strtoupper(dechex($sample_rate_index)));
return false;
}
return $dssSampleRateLookup[$sample_rate_index];
}
}

View File

@ -0,0 +1,327 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.dts.php //
// module for analyzing DTS Audio files //
// dependencies: NONE //
// //
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
/**
* @tutorial http://wiki.multimedia.cx/index.php?title=DTS
*/
class getid3_dts extends getid3_handler
{
/**
* Default DTS syncword used in native .cpt or .dts formats.
*/
const syncword = "\x7F\xFE\x80\x01";
/**
* @var int
*/
private $readBinDataOffset = 0;
/**
* Possible syncwords indicating bitstream encoding.
*/
public static $syncwords = array(
0 => "\x7F\xFE\x80\x01", // raw big-endian
1 => "\xFE\x7F\x01\x80", // raw little-endian
2 => "\x1F\xFF\xE8\x00", // 14-bit big-endian
3 => "\xFF\x1F\x00\xE8"); // 14-bit little-endian
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'dts';
$this->fseek($info['avdataoffset']);
$DTSheader = $this->fread(20); // we only need 2 words magic + 6 words frame header, but these words may be normal 16-bit words OR 14-bit words with 2 highest bits set to zero, so 8 words can be either 8*16/8 = 16 bytes OR 8*16*(16/14)/8 = 18.3 bytes
// check syncword
$sync = substr($DTSheader, 0, 4);
if (($encoding = array_search($sync, self::$syncwords)) !== false) {
$info['dts']['raw']['magic'] = $sync;
$this->readBinDataOffset = 32;
} elseif ($this->isDependencyFor('matroska')) {
// Matroska contains DTS without syncword encoded as raw big-endian format
$encoding = 0;
$this->readBinDataOffset = 0;
} else {
unset($info['fileformat']);
return $this->error('Expecting "'.implode('| ', array_map('getid3_lib::PrintHexBytes', self::$syncwords)).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($sync).'"');
}
// decode header
$fhBS = '';
for ($word_offset = 0; $word_offset <= strlen($DTSheader); $word_offset += 2) {
switch ($encoding) {
case 0: // raw big-endian
$fhBS .= getid3_lib::BigEndian2Bin( substr($DTSheader, $word_offset, 2) );
break;
case 1: // raw little-endian
$fhBS .= getid3_lib::BigEndian2Bin(strrev(substr($DTSheader, $word_offset, 2)));
break;
case 2: // 14-bit big-endian
$fhBS .= substr(getid3_lib::BigEndian2Bin( substr($DTSheader, $word_offset, 2) ), 2, 14);
break;
case 3: // 14-bit little-endian
$fhBS .= substr(getid3_lib::BigEndian2Bin(strrev(substr($DTSheader, $word_offset, 2))), 2, 14);
break;
}
}
$info['dts']['raw']['frame_type'] = $this->readBinData($fhBS, 1);
$info['dts']['raw']['deficit_samples'] = $this->readBinData($fhBS, 5);
$info['dts']['flags']['crc_present'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['raw']['pcm_sample_blocks'] = $this->readBinData($fhBS, 7);
$info['dts']['raw']['frame_byte_size'] = $this->readBinData($fhBS, 14);
$info['dts']['raw']['channel_arrangement'] = $this->readBinData($fhBS, 6);
$info['dts']['raw']['sample_frequency'] = $this->readBinData($fhBS, 4);
$info['dts']['raw']['bitrate'] = $this->readBinData($fhBS, 5);
$info['dts']['flags']['embedded_downmix'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['flags']['dynamicrange'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['flags']['timestamp'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['flags']['auxdata'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['flags']['hdcd'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['raw']['extension_audio'] = $this->readBinData($fhBS, 3);
$info['dts']['flags']['extended_coding'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['flags']['audio_sync_insertion'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['raw']['lfe_effects'] = $this->readBinData($fhBS, 2);
$info['dts']['flags']['predictor_history'] = (bool) $this->readBinData($fhBS, 1);
if ($info['dts']['flags']['crc_present']) {
$info['dts']['raw']['crc16'] = $this->readBinData($fhBS, 16);
}
$info['dts']['flags']['mri_perfect_reconst'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['raw']['encoder_soft_version'] = $this->readBinData($fhBS, 4);
$info['dts']['raw']['copy_history'] = $this->readBinData($fhBS, 2);
$info['dts']['raw']['bits_per_sample'] = $this->readBinData($fhBS, 2);
$info['dts']['flags']['surround_es'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['flags']['front_sum_diff'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['flags']['surround_sum_diff'] = (bool) $this->readBinData($fhBS, 1);
$info['dts']['raw']['dialog_normalization'] = $this->readBinData($fhBS, 4);
$info['dts']['bitrate'] = self::bitrateLookup($info['dts']['raw']['bitrate']);
$info['dts']['bits_per_sample'] = self::bitPerSampleLookup($info['dts']['raw']['bits_per_sample']);
$info['dts']['sample_rate'] = self::sampleRateLookup($info['dts']['raw']['sample_frequency']);
$info['dts']['dialog_normalization'] = self::dialogNormalization($info['dts']['raw']['dialog_normalization'], $info['dts']['raw']['encoder_soft_version']);
$info['dts']['flags']['lossless'] = (($info['dts']['raw']['bitrate'] == 31) ? true : false);
$info['dts']['bitrate_mode'] = (($info['dts']['raw']['bitrate'] == 30) ? 'vbr' : 'cbr');
$info['dts']['channels'] = self::numChannelsLookup($info['dts']['raw']['channel_arrangement']);
$info['dts']['channel_arrangement'] = self::channelArrangementLookup($info['dts']['raw']['channel_arrangement']);
$info['audio']['dataformat'] = 'dts';
$info['audio']['lossless'] = $info['dts']['flags']['lossless'];
$info['audio']['bitrate_mode'] = $info['dts']['bitrate_mode'];
$info['audio']['bits_per_sample'] = $info['dts']['bits_per_sample'];
$info['audio']['sample_rate'] = $info['dts']['sample_rate'];
$info['audio']['channels'] = $info['dts']['channels'];
$info['audio']['bitrate'] = $info['dts']['bitrate'];
if (isset($info['avdataend']) && !empty($info['dts']['bitrate']) && is_numeric($info['dts']['bitrate'])) {
$info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($info['dts']['bitrate'] / 8);
if (($encoding == 2) || ($encoding == 3)) {
// 14-bit data packed into 16-bit words, so the playtime is wrong because only (14/16) of the bytes in the data portion of the file are used at the specified bitrate
$info['playtime_seconds'] *= (14 / 16);
}
}
return true;
}
/**
* @param string $bin
* @param int $length
*
* @return int
*/
private function readBinData($bin, $length) {
$data = substr($bin, $this->readBinDataOffset, $length);
$this->readBinDataOffset += $length;
return bindec($data);
}
/**
* @param int $index
*
* @return int|string|false
*/
public static function bitrateLookup($index) {
static $lookup = array(
0 => 32000,
1 => 56000,
2 => 64000,
3 => 96000,
4 => 112000,
5 => 128000,
6 => 192000,
7 => 224000,
8 => 256000,
9 => 320000,
10 => 384000,
11 => 448000,
12 => 512000,
13 => 576000,
14 => 640000,
15 => 768000,
16 => 960000,
17 => 1024000,
18 => 1152000,
19 => 1280000,
20 => 1344000,
21 => 1408000,
22 => 1411200,
23 => 1472000,
24 => 1536000,
25 => 1920000,
26 => 2048000,
27 => 3072000,
28 => 3840000,
29 => 'open',
30 => 'variable',
31 => 'lossless',
);
return (isset($lookup[$index]) ? $lookup[$index] : false);
}
/**
* @param int $index
*
* @return int|string|false
*/
public static function sampleRateLookup($index) {
static $lookup = array(
0 => 'invalid',
1 => 8000,
2 => 16000,
3 => 32000,
4 => 'invalid',
5 => 'invalid',
6 => 11025,
7 => 22050,
8 => 44100,
9 => 'invalid',
10 => 'invalid',
11 => 12000,
12 => 24000,
13 => 48000,
14 => 'invalid',
15 => 'invalid',
);
return (isset($lookup[$index]) ? $lookup[$index] : false);
}
/**
* @param int $index
*
* @return int|false
*/
public static function bitPerSampleLookup($index) {
static $lookup = array(
0 => 16,
1 => 20,
2 => 24,
3 => 24,
);
return (isset($lookup[$index]) ? $lookup[$index] : false);
}
/**
* @param int $index
*
* @return int|false
*/
public static function numChannelsLookup($index) {
switch ($index) {
case 0:
return 1;
case 1:
case 2:
case 3:
case 4:
return 2;
case 5:
case 6:
return 3;
case 7:
case 8:
return 4;
case 9:
return 5;
case 10:
case 11:
case 12:
return 6;
case 13:
return 7;
case 14:
case 15:
return 8;
}
return false;
}
/**
* @param int $index
*
* @return string
*/
public static function channelArrangementLookup($index) {
static $lookup = array(
0 => 'A',
1 => 'A + B (dual mono)',
2 => 'L + R (stereo)',
3 => '(L+R) + (L-R) (sum-difference)',
4 => 'LT + RT (left and right total)',
5 => 'C + L + R',
6 => 'L + R + S',
7 => 'C + L + R + S',
8 => 'L + R + SL + SR',
9 => 'C + L + R + SL + SR',
10 => 'CL + CR + L + R + SL + SR',
11 => 'C + L + R+ LR + RR + OV',
12 => 'CF + CR + LF + RF + LR + RR',
13 => 'CL + C + CR + L + R + SL + SR',
14 => 'CL + CR + L + R + SL1 + SL2 + SR1 + SR2',
15 => 'CL + C+ CR + L + R + SL + S + SR',
);
return (isset($lookup[$index]) ? $lookup[$index] : 'user-defined');
}
/**
* @param int $index
* @param int $version
*
* @return int|false
*/
public static function dialogNormalization($index, $version) {
switch ($version) {
case 7:
return 0 - $index;
case 6:
return 0 - 16 - $index;
}
return false;
}
}

View File

@ -0,0 +1,519 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.flac.php //
// module for analyzing FLAC and OggFLAC audio files //
// dependencies: module.audio.ogg.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ogg.php', __FILE__, true);
/**
* @tutorial http://flac.sourceforge.net/format.html
*/
class getid3_flac extends getid3_handler
{
const syncword = 'fLaC';
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$StreamMarker = $this->fread(4);
if ($StreamMarker != self::syncword) {
return $this->error('Expecting "'.getid3_lib::PrintHexBytes(self::syncword).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($StreamMarker).'"');
}
$info['fileformat'] = 'flac';
$info['audio']['dataformat'] = 'flac';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = true;
// parse flac container
return $this->parseMETAdata();
}
/**
* @return bool
*/
public function parseMETAdata() {
$info = &$this->getid3->info;
do {
$BlockOffset = $this->ftell();
$BlockHeader = $this->fread(4);
$LBFBT = getid3_lib::BigEndian2Int(substr($BlockHeader, 0, 1)); // LBFBT = LastBlockFlag + BlockType
$LastBlockFlag = (bool) ($LBFBT & 0x80);
$BlockType = ($LBFBT & 0x7F);
$BlockLength = getid3_lib::BigEndian2Int(substr($BlockHeader, 1, 3));
$BlockTypeText = self::metaBlockTypeLookup($BlockType);
if (($BlockOffset + 4 + $BlockLength) > $info['avdataend']) {
$this->warning('METADATA_BLOCK_HEADER.BLOCK_TYPE ('.$BlockTypeText.') at offset '.$BlockOffset.' extends beyond end of file');
break;
}
if ($BlockLength < 1) {
if ($BlockTypeText != 'reserved') {
// probably supposed to be zero-length
$this->warning('METADATA_BLOCK_HEADER.BLOCK_LENGTH ('.$BlockTypeText.') at offset '.$BlockOffset.' is zero bytes');
continue;
}
$this->error('METADATA_BLOCK_HEADER.BLOCK_LENGTH ('.$BlockLength.') at offset '.$BlockOffset.' is invalid');
break;
}
$info['flac'][$BlockTypeText]['raw'] = array();
$BlockTypeText_raw = &$info['flac'][$BlockTypeText]['raw'];
$BlockTypeText_raw['offset'] = $BlockOffset;
$BlockTypeText_raw['last_meta_block'] = $LastBlockFlag;
$BlockTypeText_raw['block_type'] = $BlockType;
$BlockTypeText_raw['block_type_text'] = $BlockTypeText;
$BlockTypeText_raw['block_length'] = $BlockLength;
if ($BlockTypeText_raw['block_type'] != 0x06) { // do not read attachment data automatically
$BlockTypeText_raw['block_data'] = $this->fread($BlockLength);
}
switch ($BlockTypeText) {
case 'STREAMINFO': // 0x00
if (!$this->parseSTREAMINFO($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'PADDING': // 0x01
unset($info['flac']['PADDING']); // ignore
break;
case 'APPLICATION': // 0x02
if (!$this->parseAPPLICATION($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'SEEKTABLE': // 0x03
if (!$this->parseSEEKTABLE($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'VORBIS_COMMENT': // 0x04
if (!$this->parseVORBIS_COMMENT($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'CUESHEET': // 0x05
if (!$this->parseCUESHEET($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'PICTURE': // 0x06
if (!$this->parsePICTURE()) {
return false;
}
break;
default:
$this->warning('Unhandled METADATA_BLOCK_HEADER.BLOCK_TYPE ('.$BlockType.') at offset '.$BlockOffset);
}
unset($info['flac'][$BlockTypeText]['raw']);
$info['avdataoffset'] = $this->ftell();
}
while ($LastBlockFlag === false);
// handle tags
if (!empty($info['flac']['VORBIS_COMMENT']['comments'])) {
$info['flac']['comments'] = $info['flac']['VORBIS_COMMENT']['comments'];
}
if (!empty($info['flac']['VORBIS_COMMENT']['vendor'])) {
$info['audio']['encoder'] = str_replace('reference ', '', $info['flac']['VORBIS_COMMENT']['vendor']);
}
// copy attachments to 'comments' array if nesesary
if (isset($info['flac']['PICTURE']) && ($this->getid3->option_save_attachments !== getID3::ATTACHMENTS_NONE)) {
foreach ($info['flac']['PICTURE'] as $entry) {
if (!empty($entry['data'])) {
if (!isset($info['flac']['comments']['picture'])) {
$info['flac']['comments']['picture'] = array();
}
$comments_picture_data = array();
foreach (array('data', 'image_mime', 'image_width', 'image_height', 'imagetype', 'picturetype', 'description', 'datalength') as $picture_key) {
if (isset($entry[$picture_key])) {
$comments_picture_data[$picture_key] = $entry[$picture_key];
}
}
$info['flac']['comments']['picture'][] = $comments_picture_data;
unset($comments_picture_data);
}
}
}
if (isset($info['flac']['STREAMINFO'])) {
if (!$this->isDependencyFor('matroska')) {
$info['flac']['compressed_audio_bytes'] = $info['avdataend'] - $info['avdataoffset'];
}
$info['flac']['uncompressed_audio_bytes'] = $info['flac']['STREAMINFO']['samples_stream'] * $info['flac']['STREAMINFO']['channels'] * ($info['flac']['STREAMINFO']['bits_per_sample'] / 8);
if ($info['flac']['uncompressed_audio_bytes'] == 0) {
return $this->error('Corrupt FLAC file: uncompressed_audio_bytes == zero');
}
if (!empty($info['flac']['compressed_audio_bytes'])) {
$info['flac']['compression_ratio'] = $info['flac']['compressed_audio_bytes'] / $info['flac']['uncompressed_audio_bytes'];
}
}
// set md5_data_source - built into flac 0.5+
if (isset($info['flac']['STREAMINFO']['audio_signature'])) {
if ($info['flac']['STREAMINFO']['audio_signature'] === str_repeat("\x00", 16)) {
$this->warning('FLAC STREAMINFO.audio_signature is null (known issue with libOggFLAC)');
}
else {
$info['md5_data_source'] = '';
$md5 = $info['flac']['STREAMINFO']['audio_signature'];
for ($i = 0; $i < strlen($md5); $i++) {
$info['md5_data_source'] .= str_pad(dechex(ord($md5[$i])), 2, '00', STR_PAD_LEFT);
}
if (!preg_match('/^[0-9a-f]{32}$/', $info['md5_data_source'])) {
unset($info['md5_data_source']);
}
}
}
if (isset($info['flac']['STREAMINFO']['bits_per_sample'])) {
$info['audio']['bits_per_sample'] = $info['flac']['STREAMINFO']['bits_per_sample'];
if ($info['audio']['bits_per_sample'] == 8) {
// special case
// must invert sign bit on all data bytes before MD5'ing to match FLAC's calculated value
// MD5sum calculates on unsigned bytes, but FLAC calculated MD5 on 8-bit audio data as signed
$this->warning('FLAC calculates MD5 data strangely on 8-bit audio, so the stored md5_data_source value will not match the decoded WAV file');
}
}
return true;
}
/**
* @param string $BlockData
*
* @return array
*/
public static function parseSTREAMINFOdata($BlockData) {
$streaminfo = array();
$streaminfo['min_block_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 0, 2));
$streaminfo['max_block_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 2, 2));
$streaminfo['min_frame_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 4, 3));
$streaminfo['max_frame_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 7, 3));
$SRCSBSS = getid3_lib::BigEndian2Bin(substr($BlockData, 10, 8));
$streaminfo['sample_rate'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 0, 20));
$streaminfo['channels'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 20, 3)) + 1;
$streaminfo['bits_per_sample'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 23, 5)) + 1;
$streaminfo['samples_stream'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 28, 36));
$streaminfo['audio_signature'] = substr($BlockData, 18, 16);
return $streaminfo;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseSTREAMINFO($BlockData) {
$info = &$this->getid3->info;
$info['flac']['STREAMINFO'] = self::parseSTREAMINFOdata($BlockData);
if (!empty($info['flac']['STREAMINFO']['sample_rate'])) {
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['sample_rate'] = $info['flac']['STREAMINFO']['sample_rate'];
$info['audio']['channels'] = $info['flac']['STREAMINFO']['channels'];
$info['audio']['bits_per_sample'] = $info['flac']['STREAMINFO']['bits_per_sample'];
$info['playtime_seconds'] = $info['flac']['STREAMINFO']['samples_stream'] / $info['flac']['STREAMINFO']['sample_rate'];
if ($info['playtime_seconds'] > 0) {
if (!$this->isDependencyFor('matroska')) {
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
}
else {
$this->warning('Cannot determine audio bitrate because total stream size is unknown');
}
}
} else {
return $this->error('Corrupt METAdata block: STREAMINFO');
}
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseAPPLICATION($BlockData) {
$info = &$this->getid3->info;
$ApplicationID = getid3_lib::BigEndian2Int(substr($BlockData, 0, 4));
$info['flac']['APPLICATION'][$ApplicationID]['name'] = self::applicationIDLookup($ApplicationID);
$info['flac']['APPLICATION'][$ApplicationID]['data'] = substr($BlockData, 4);
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseSEEKTABLE($BlockData) {
$info = &$this->getid3->info;
$offset = 0;
$BlockLength = strlen($BlockData);
$placeholderpattern = str_repeat("\xFF", 8);
while ($offset < $BlockLength) {
$SampleNumberString = substr($BlockData, $offset, 8);
$offset += 8;
if ($SampleNumberString == $placeholderpattern) {
// placeholder point
getid3_lib::safe_inc($info['flac']['SEEKTABLE']['placeholders'], 1);
$offset += 10;
} else {
$SampleNumber = getid3_lib::BigEndian2Int($SampleNumberString);
$info['flac']['SEEKTABLE'][$SampleNumber]['offset'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$info['flac']['SEEKTABLE'][$SampleNumber]['samples'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 2));
$offset += 2;
}
}
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseVORBIS_COMMENT($BlockData) {
$info = &$this->getid3->info;
$getid3_ogg = new getid3_ogg($this->getid3);
if ($this->isDependencyFor('matroska')) {
$getid3_ogg->setStringMode($this->data_string);
}
$getid3_ogg->ParseVorbisComments();
if (isset($info['ogg'])) {
unset($info['ogg']['comments_raw']);
$info['flac']['VORBIS_COMMENT'] = $info['ogg'];
unset($info['ogg']);
}
unset($getid3_ogg);
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseCUESHEET($BlockData) {
$info = &$this->getid3->info;
$offset = 0;
$info['flac']['CUESHEET']['media_catalog_number'] = trim(substr($BlockData, $offset, 128), "\0");
$offset += 128;
$info['flac']['CUESHEET']['lead_in_samples'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$info['flac']['CUESHEET']['flags']['is_cd'] = (bool) (getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1)) & 0x80);
$offset += 1;
$offset += 258; // reserved
$info['flac']['CUESHEET']['number_tracks'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
for ($track = 0; $track < $info['flac']['CUESHEET']['number_tracks']; $track++) {
$TrackSampleOffset = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$TrackNumber = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['sample_offset'] = $TrackSampleOffset;
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['isrc'] = substr($BlockData, $offset, 12);
$offset += 12;
$TrackFlagsRaw = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['flags']['is_audio'] = (bool) ($TrackFlagsRaw & 0x80);
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['flags']['pre_emphasis'] = (bool) ($TrackFlagsRaw & 0x40);
$offset += 13; // reserved
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['index_points'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
for ($index = 0; $index < $info['flac']['CUESHEET']['tracks'][$TrackNumber]['index_points']; $index++) {
$IndexSampleOffset = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$IndexNumber = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
$offset += 3; // reserved
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['indexes'][$IndexNumber] = $IndexSampleOffset;
}
}
return true;
}
/**
* Parse METADATA_BLOCK_PICTURE flac structure and extract attachment
* External usage: audio.ogg
*
* @return bool
*/
public function parsePICTURE() {
$info = &$this->getid3->info;
$picture = array();
$picture['typeid'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['picturetype'] = self::pictureTypeLookup($picture['typeid']);
$picture['image_mime'] = $this->fread(getid3_lib::BigEndian2Int($this->fread(4)));
$descr_length = getid3_lib::BigEndian2Int($this->fread(4));
if ($descr_length) {
$picture['description'] = $this->fread($descr_length);
}
$picture['image_width'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['image_height'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['color_depth'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['colors_indexed'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['datalength'] = getid3_lib::BigEndian2Int($this->fread(4));
if ($picture['image_mime'] == '-->') {
$picture['data'] = $this->fread($picture['datalength']);
} else {
$picture['data'] = $this->saveAttachment(
str_replace('/', '_', $picture['picturetype']).'_'.$this->ftell(),
$this->ftell(),
$picture['datalength'],
$picture['image_mime']);
}
$info['flac']['PICTURE'][] = $picture;
return true;
}
/**
* @param int $blocktype
*
* @return string
*/
public static function metaBlockTypeLookup($blocktype) {
static $lookup = array(
0 => 'STREAMINFO',
1 => 'PADDING',
2 => 'APPLICATION',
3 => 'SEEKTABLE',
4 => 'VORBIS_COMMENT',
5 => 'CUESHEET',
6 => 'PICTURE',
);
return (isset($lookup[$blocktype]) ? $lookup[$blocktype] : 'reserved');
}
/**
* @param int $applicationid
*
* @return string
*/
public static function applicationIDLookup($applicationid) {
// http://flac.sourceforge.net/id.html
static $lookup = array(
0x41544348 => 'FlacFile', // "ATCH"
0x42534F4C => 'beSolo', // "BSOL"
0x42554753 => 'Bugs Player', // "BUGS"
0x43756573 => 'GoldWave cue points (specification)', // "Cues"
0x46696361 => 'CUE Splitter', // "Fica"
0x46746F6C => 'flac-tools', // "Ftol"
0x4D4F5442 => 'MOTB MetaCzar', // "MOTB"
0x4D505345 => 'MP3 Stream Editor', // "MPSE"
0x4D754D4C => 'MusicML: Music Metadata Language', // "MuML"
0x52494646 => 'Sound Devices RIFF chunk storage', // "RIFF"
0x5346464C => 'Sound Font FLAC', // "SFFL"
0x534F4E59 => 'Sony Creative Software', // "SONY"
0x5351455A => 'flacsqueeze', // "SQEZ"
0x54745776 => 'TwistedWave', // "TtWv"
0x55495453 => 'UITS Embedding tools', // "UITS"
0x61696666 => 'FLAC AIFF chunk storage', // "aiff"
0x696D6167 => 'flac-image application for storing arbitrary files in APPLICATION metadata blocks', // "imag"
0x7065656D => 'Parseable Embedded Extensible Metadata (specification)', // "peem"
0x71667374 => 'QFLAC Studio', // "qfst"
0x72696666 => 'FLAC RIFF chunk storage', // "riff"
0x74756E65 => 'TagTuner', // "tune"
0x78626174 => 'XBAT', // "xbat"
0x786D6364 => 'xmcd', // "xmcd"
);
return (isset($lookup[$applicationid]) ? $lookup[$applicationid] : 'reserved');
}
/**
* @param int $type_id
*
* @return string
*/
public static function pictureTypeLookup($type_id) {
static $lookup = array (
0 => 'Other',
1 => '32x32 pixels \'file icon\' (PNG only)',
2 => 'Other file icon',
3 => 'Cover (front)',
4 => 'Cover (back)',
5 => 'Leaflet page',
6 => 'Media (e.g. label side of CD)',
7 => 'Lead artist/lead performer/soloist',
8 => 'Artist/performer',
9 => 'Conductor',
10 => 'Band/Orchestra',
11 => 'Composer',
12 => 'Lyricist/text writer',
13 => 'Recording Location',
14 => 'During recording',
15 => 'During performance',
16 => 'Movie/video screen capture',
17 => 'A bright coloured fish',
18 => 'Illustration',
19 => 'Band/artist logotype',
20 => 'Publisher/Studio logotype',
);
return (isset($lookup[$type_id]) ? $lookup[$type_id] : 'reserved');
}
}

View File

@ -0,0 +1,230 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.la.php //
// module for analyzing LA (LosslessAudio) audio files //
// dependencies: module.audio.riff.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
class getid3_la extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$offset = 0;
$this->fseek($info['avdataoffset']);
$rawdata = $this->fread($this->getid3->fread_buffer_size());
switch (substr($rawdata, $offset, 4)) {
case 'LA02':
case 'LA03':
case 'LA04':
$info['fileformat'] = 'la';
$info['audio']['dataformat'] = 'la';
$info['audio']['lossless'] = true;
$info['la']['version_major'] = (int) substr($rawdata, $offset + 2, 1);
$info['la']['version_minor'] = (int) substr($rawdata, $offset + 3, 1);
$info['la']['version'] = (float) $info['la']['version_major'] + ($info['la']['version_minor'] / 10);
$offset += 4;
$info['la']['uncompressed_size'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
if ($info['la']['uncompressed_size'] == 0) {
$this->error('Corrupt LA file: uncompressed_size == zero');
return false;
}
$WAVEchunk = substr($rawdata, $offset, 4);
if ($WAVEchunk !== 'WAVE') {
$this->error('Expected "WAVE" ('.getid3_lib::PrintHexBytes('WAVE').') at offset '.$offset.', found "'.$WAVEchunk.'" ('.getid3_lib::PrintHexBytes($WAVEchunk).') instead.');
return false;
}
$offset += 4;
$info['la']['fmt_size'] = 24;
if ($info['la']['version'] >= 0.3) {
$info['la']['fmt_size'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$info['la']['header_size'] = 49 + $info['la']['fmt_size'] - 24;
$offset += 4;
} else {
// version 0.2 didn't support additional data blocks
$info['la']['header_size'] = 41;
}
$fmt_chunk = substr($rawdata, $offset, 4);
if ($fmt_chunk !== 'fmt ') {
$this->error('Expected "fmt " ('.getid3_lib::PrintHexBytes('fmt ').') at offset '.$offset.', found "'.$fmt_chunk.'" ('.getid3_lib::PrintHexBytes($fmt_chunk).') instead.');
return false;
}
$offset += 4;
$fmt_size = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
$info['la']['raw']['format'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 2));
$offset += 2;
$info['la']['channels'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 2));
$offset += 2;
if ($info['la']['channels'] == 0) {
$this->error('Corrupt LA file: channels == zero');
return false;
}
$info['la']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
if ($info['la']['sample_rate'] == 0) {
$this->error('Corrupt LA file: sample_rate == zero');
return false;
}
$info['la']['bytes_per_second'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
$info['la']['bytes_per_sample'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 2));
$offset += 2;
$info['la']['bits_per_sample'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 2));
$offset += 2;
$info['la']['samples'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
$info['la']['raw']['flags'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 1));
$offset += 1;
$info['la']['flags']['seekable'] = (bool) ($info['la']['raw']['flags'] & 0x01);
if ($info['la']['version'] >= 0.4) {
$info['la']['flags']['high_compression'] = (bool) ($info['la']['raw']['flags'] & 0x02);
}
$info['la']['original_crc'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
// mikeØbevin*de
// Basically, the blocksize/seekevery are 61440/19 in La0.4 and 73728/16
// in earlier versions. A seekpoint is added every blocksize * seekevery
// samples, so 4 * int(totalSamples / (blockSize * seekEvery)) should
// give the number of bytes used for the seekpoints. Of course, if seeking
// is disabled, there are no seekpoints stored.
if ($info['la']['version'] >= 0.4) {
$info['la']['blocksize'] = 61440;
$info['la']['seekevery'] = 19;
} else {
$info['la']['blocksize'] = 73728;
$info['la']['seekevery'] = 16;
}
$info['la']['seekpoint_count'] = 0;
if ($info['la']['flags']['seekable']) {
$info['la']['seekpoint_count'] = floor($info['la']['samples'] / ($info['la']['blocksize'] * $info['la']['seekevery']));
for ($i = 0; $i < $info['la']['seekpoint_count']; $i++) {
$info['la']['seekpoints'][] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
}
}
if ($info['la']['version'] >= 0.3) {
// Following the main header information, the program outputs all of the
// seekpoints. Following these is what I called the 'footer start',
// i.e. the position immediately after the La audio data is finished.
$info['la']['footerstart'] = getid3_lib::LittleEndian2Int(substr($rawdata, $offset, 4));
$offset += 4;
if ($info['la']['footerstart'] > $info['filesize']) {
$this->warning('FooterStart value points to offset '.$info['la']['footerstart'].' which is beyond end-of-file ('.$info['filesize'].')');
$info['la']['footerstart'] = $info['filesize'];
}
} else {
// La v0.2 didn't have FooterStart value
$info['la']['footerstart'] = $info['avdataend'];
}
if ($info['la']['footerstart'] < $info['avdataend']) {
if ($RIFFtempfilename = tempnam(GETID3_TEMP_DIR, 'id3')) {
if ($RIFF_fp = fopen($RIFFtempfilename, 'w+b')) {
$RIFFdata = 'WAVE';
if ($info['la']['version'] == 0.2) {
$RIFFdata .= substr($rawdata, 12, 24);
} else {
$RIFFdata .= substr($rawdata, 16, 24);
}
if ($info['la']['footerstart'] < $info['avdataend']) {
$this->fseek($info['la']['footerstart']);
$RIFFdata .= $this->fread($info['avdataend'] - $info['la']['footerstart']);
}
$RIFFdata = 'RIFF'.getid3_lib::LittleEndian2String(strlen($RIFFdata), 4, false).$RIFFdata;
fwrite($RIFF_fp, $RIFFdata, strlen($RIFFdata));
fclose($RIFF_fp);
$getid3_temp = new getID3();
$getid3_temp->openfile($RIFFtempfilename);
$getid3_riff = new getid3_riff($getid3_temp);
$getid3_riff->Analyze();
if (empty($getid3_temp->info['error'])) {
$info['riff'] = $getid3_temp->info['riff'];
} else {
$this->warning('Error parsing RIFF portion of La file: '.implode($getid3_temp->info['error']));
}
unset($getid3_temp, $getid3_riff);
}
unlink($RIFFtempfilename);
}
}
// $info['avdataoffset'] should be zero to begin with, but just in case it's not, include the addition anyway
$info['avdataend'] = $info['avdataoffset'] + $info['la']['footerstart'];
$info['avdataoffset'] = $info['avdataoffset'] + $offset;
$info['la']['compression_ratio'] = (float) (($info['avdataend'] - $info['avdataoffset']) / $info['la']['uncompressed_size']);
$info['playtime_seconds'] = (float) ($info['la']['samples'] / $info['la']['sample_rate']) / $info['la']['channels'];
if ($info['playtime_seconds'] == 0) {
$this->error('Corrupt LA file: playtime_seconds == zero');
return false;
}
$info['audio']['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) * 8 / $info['playtime_seconds'];
//$info['audio']['codec'] = $info['la']['codec'];
$info['audio']['bits_per_sample'] = $info['la']['bits_per_sample'];
break;
default:
if (substr($rawdata, $offset, 2) == 'LA') {
$this->error('This version of getID3() ['.$this->getid3->version().'] does not support LA version '.substr($rawdata, $offset + 2, 1).'.'.substr($rawdata, $offset + 3, 1).' which this appears to be - check http://getid3.sourceforge.net for updates.');
} else {
$this->error('Not a LA (Lossless-Audio) file');
}
return false;
}
$info['audio']['channels'] = $info['la']['channels'];
$info['audio']['sample_rate'] = (int) $info['la']['sample_rate'];
$info['audio']['encoder'] = 'LA v'.$info['la']['version'];
return true;
}
}

View File

@ -0,0 +1,135 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.lpac.php //
// module for analyzing LPAC Audio files //
// dependencies: module.audio-video.riff.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
class getid3_lpac extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$LPACheader = $this->fread(14);
$StreamMarker = substr($LPACheader, 0, 4);
if ($StreamMarker != 'LPAC') {
$this->error('Expected "LPAC" at offset '.$info['avdataoffset'].', found "'.$StreamMarker.'"');
return false;
}
$flags = array();
$info['avdataoffset'] += 14;
$info['fileformat'] = 'lpac';
$info['audio']['dataformat'] = 'lpac';
$info['audio']['lossless'] = true;
$info['audio']['bitrate_mode'] = 'vbr';
$info['lpac']['file_version'] = getid3_lib::BigEndian2Int(substr($LPACheader, 4, 1));
$flags['audio_type'] = getid3_lib::BigEndian2Int(substr($LPACheader, 5, 1));
$info['lpac']['total_samples']= getid3_lib::BigEndian2Int(substr($LPACheader, 6, 4));
$flags['parameters'] = getid3_lib::BigEndian2Int(substr($LPACheader, 10, 4));
$info['lpac']['flags']['is_wave'] = (bool) ($flags['audio_type'] & 0x40);
$info['lpac']['flags']['stereo'] = (bool) ($flags['audio_type'] & 0x04);
$info['lpac']['flags']['24_bit'] = (bool) ($flags['audio_type'] & 0x02);
$info['lpac']['flags']['16_bit'] = (bool) ($flags['audio_type'] & 0x01);
if ($info['lpac']['flags']['24_bit'] && $info['lpac']['flags']['16_bit']) {
$this->warning('24-bit and 16-bit flags cannot both be set');
}
$info['lpac']['flags']['fast_compress'] = (bool) ($flags['parameters'] & 0x40000000);
$info['lpac']['flags']['random_access'] = (bool) ($flags['parameters'] & 0x08000000);
$info['lpac']['block_length'] = pow(2, (($flags['parameters'] & 0x07000000) >> 24)) * 256;
$info['lpac']['flags']['adaptive_prediction_order'] = (bool) ($flags['parameters'] & 0x00800000);
$info['lpac']['flags']['adaptive_quantization'] = (bool) ($flags['parameters'] & 0x00400000);
$info['lpac']['flags']['joint_stereo'] = (bool) ($flags['parameters'] & 0x00040000);
$info['lpac']['quantization'] = ($flags['parameters'] & 0x00001F00) >> 8;
$info['lpac']['max_prediction_order'] = ($flags['parameters'] & 0x0000003F);
if ($info['lpac']['flags']['fast_compress'] && ($info['lpac']['max_prediction_order'] != 3)) {
$this->warning('max_prediction_order expected to be "3" if fast_compress is true, actual value is "'.$info['lpac']['max_prediction_order'].'"');
}
switch ($info['lpac']['file_version']) {
case 6:
if ($info['lpac']['flags']['adaptive_quantization']) {
$this->warning('adaptive_quantization expected to be false in LPAC file stucture v6, actually true');
}
if ($info['lpac']['quantization'] != 20) {
$this->warning('Quantization expected to be 20 in LPAC file stucture v6, actually '.$info['lpac']['flags']['Q']);
}
break;
default:
//$this->warning('This version of getID3() ['.$this->getid3->version().'] only supports LPAC file format version 6, this file is version '.$info['lpac']['file_version'].' - please report to info@getid3.org');
break;
}
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_temp->info = $info;
$getid3_riff = new getid3_riff($getid3_temp);
$getid3_riff->Analyze();
$info['avdataoffset'] = $getid3_temp->info['avdataoffset'];
$info['riff'] = $getid3_temp->info['riff'];
$info['error'] = $getid3_temp->info['error'];
$info['warning'] = $getid3_temp->info['warning'];
$info['lpac']['comments']['comment'] = $getid3_temp->info['comments'];
$info['audio']['sample_rate'] = $getid3_temp->info['audio']['sample_rate'];
unset($getid3_temp, $getid3_riff);
$info['audio']['channels'] = ($info['lpac']['flags']['stereo'] ? 2 : 1);
if ($info['lpac']['flags']['24_bit']) {
$info['audio']['bits_per_sample'] = $info['riff']['audio'][0]['bits_per_sample'];
} elseif ($info['lpac']['flags']['16_bit']) {
$info['audio']['bits_per_sample'] = 16;
} else {
$info['audio']['bits_per_sample'] = 8;
}
if ($info['lpac']['flags']['fast_compress']) {
// fast
$info['audio']['encoder_options'] = '-1';
} else {
switch ($info['lpac']['max_prediction_order']) {
case 20: // simple
$info['audio']['encoder_options'] = '-2';
break;
case 30: // medium
$info['audio']['encoder_options'] = '-3';
break;
case 40: // high
$info['audio']['encoder_options'] = '-4';
break;
case 60: // extrahigh
$info['audio']['encoder_options'] = '-5';
break;
}
}
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['lpac']['total_samples'], $info['audio']['sample_rate']);
$info['audio']['bitrate'] = getid3_lib::SafeDiv(($info['avdataend'] - $info['avdataoffset']) * 8, $info['playtime_seconds']);
return true;
}
}

View File

@ -0,0 +1,553 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.midi.php //
// module for Midi Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
define('GETID3_MIDI_MAGIC_MTHD', 'MThd'); // MIDI file header magic
define('GETID3_MIDI_MAGIC_MTRK', 'MTrk'); // MIDI track header magic
class getid3_midi extends getid3_handler
{
/**
* if false only parse most basic information, much faster for some files but may be inaccurate
*
* @var bool
*/
public $scanwholefile = true;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// shortcut
$info['midi']['raw'] = array();
$thisfile_midi = &$info['midi'];
$thisfile_midi_raw = &$thisfile_midi['raw'];
$info['fileformat'] = 'midi';
$info['audio']['dataformat'] = 'midi';
$this->fseek($info['avdataoffset']);
$MIDIdata = $this->fread($this->getid3->fread_buffer_size());
$offset = 0;
$MIDIheaderID = substr($MIDIdata, $offset, 4); // 'MThd'
if ($MIDIheaderID != GETID3_MIDI_MAGIC_MTHD) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes(GETID3_MIDI_MAGIC_MTHD).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($MIDIheaderID).'"');
unset($info['fileformat']);
return false;
}
$offset += 4;
$thisfile_midi_raw['headersize'] = getid3_lib::BigEndian2Int(substr($MIDIdata, $offset, 4));
$offset += 4;
$thisfile_midi_raw['fileformat'] = getid3_lib::BigEndian2Int(substr($MIDIdata, $offset, 2));
$offset += 2;
$thisfile_midi_raw['tracks'] = getid3_lib::BigEndian2Int(substr($MIDIdata, $offset, 2));
$offset += 2;
$thisfile_midi_raw['ticksperqnote'] = getid3_lib::BigEndian2Int(substr($MIDIdata, $offset, 2));
$offset += 2;
$trackdataarray = array();
for ($i = 0; $i < $thisfile_midi_raw['tracks']; $i++) {
while ((strlen($MIDIdata) - $offset) < 8) {
if ($buffer = $this->fread($this->getid3->fread_buffer_size())) {
$MIDIdata .= $buffer;
} else {
$this->warning('only processed '.($i - 1).' of '.$thisfile_midi_raw['tracks'].' tracks');
$this->error('Unabled to read more file data at '.$this->ftell().' (trying to seek to : '.$offset.'), was expecting at least 8 more bytes');
return false;
}
}
$trackID = substr($MIDIdata, $offset, 4);
$offset += 4;
if ($trackID == GETID3_MIDI_MAGIC_MTRK) {
$tracksize = getid3_lib::BigEndian2Int(substr($MIDIdata, $offset, 4));
$offset += 4;
//$thisfile_midi['tracks'][$i]['size'] = $tracksize;
$trackdataarray[$i] = substr($MIDIdata, $offset, $tracksize);
$offset += $tracksize;
} else {
$this->error('Expecting "'.getid3_lib::PrintHexBytes(GETID3_MIDI_MAGIC_MTRK).'" at '.($offset - 4).', found "'.getid3_lib::PrintHexBytes($trackID).'" instead');
return false;
}
}
if (!is_array($trackdataarray) || count($trackdataarray) === 0) {
$this->error('Cannot find MIDI track information');
unset($thisfile_midi);
unset($info['fileformat']);
return false;
}
if ($this->scanwholefile) { // this can take quite a long time, so have the option to bypass it if speed is very important
$thisfile_midi['totalticks'] = 0;
$info['playtime_seconds'] = 0;
$CurrentMicroSecondsPerBeat = 500000; // 120 beats per minute; 60,000,000 microseconds per minute -> 500,000 microseconds per beat
$MicroSecondsPerQuarterNoteAfter = array ();
$MIDIevents = array();
foreach ($trackdataarray as $tracknumber => $trackdata) {
$eventsoffset = 0;
$LastIssuedMIDIcommand = 0;
$LastIssuedMIDIchannel = 0;
$CumulativeDeltaTime = 0;
$TicksAtCurrentBPM = 0;
while ($eventsoffset < strlen($trackdata)) {
$eventid = 0;
if (isset($MIDIevents[$tracknumber])) {
$eventid = count($MIDIevents[$tracknumber]);
}
$deltatime = 0;
for ($i = 0; $i < 4; $i++) {
$deltatimebyte = ord(substr($trackdata, $eventsoffset++, 1));
$deltatime = ($deltatime << 7) + ($deltatimebyte & 0x7F);
if ($deltatimebyte & 0x80) {
// another byte follows
} else {
break;
}
}
$CumulativeDeltaTime += $deltatime;
$TicksAtCurrentBPM += $deltatime;
$MIDIevents[$tracknumber][$eventid]['deltatime'] = $deltatime;
$MIDI_event_channel = ord(substr($trackdata, $eventsoffset++, 1));
if ($MIDI_event_channel & 0x80) {
// OK, normal event - MIDI command has MSB set
$LastIssuedMIDIcommand = $MIDI_event_channel >> 4;
$LastIssuedMIDIchannel = $MIDI_event_channel & 0x0F;
} else {
// running event - assume last command
$eventsoffset--;
}
$MIDIevents[$tracknumber][$eventid]['eventid'] = $LastIssuedMIDIcommand;
$MIDIevents[$tracknumber][$eventid]['channel'] = $LastIssuedMIDIchannel;
if ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x08) { // Note off (key is released)
$notenumber = ord(substr($trackdata, $eventsoffset++, 1));
$velocity = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x09) { // Note on (key is pressed)
$notenumber = ord(substr($trackdata, $eventsoffset++, 1));
$velocity = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x0A) { // Key after-touch
$notenumber = ord(substr($trackdata, $eventsoffset++, 1));
$velocity = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x0B) { // Control Change
$controllernum = ord(substr($trackdata, $eventsoffset++, 1));
$newvalue = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x0C) { // Program (patch) change
$newprogramnum = ord(substr($trackdata, $eventsoffset++, 1));
$thisfile_midi_raw['track'][$tracknumber]['instrumentid'] = $newprogramnum;
if ($tracknumber == 10) {
$thisfile_midi_raw['track'][$tracknumber]['instrument'] = $this->GeneralMIDIpercussionLookup($newprogramnum);
} else {
$thisfile_midi_raw['track'][$tracknumber]['instrument'] = $this->GeneralMIDIinstrumentLookup($newprogramnum);
}
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x0D) { // Channel after-touch
$channelnumber = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x0E) { // Pitch wheel change (2000H is normal or no change)
$changeLSB = ord(substr($trackdata, $eventsoffset++, 1));
$changeMSB = ord(substr($trackdata, $eventsoffset++, 1));
$pitchwheelchange = (($changeMSB & 0x7F) << 7) & ($changeLSB & 0x7F);
} elseif (($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x0F) && ($MIDIevents[$tracknumber][$eventid]['channel'] == 0x0F)) {
$METAeventCommand = ord(substr($trackdata, $eventsoffset++, 1));
$METAeventLength = ord(substr($trackdata, $eventsoffset++, 1));
$METAeventData = substr($trackdata, $eventsoffset, $METAeventLength);
$eventsoffset += $METAeventLength;
switch ($METAeventCommand) {
case 0x00: // Set track sequence number
$track_sequence_number = getid3_lib::BigEndian2Int(substr($METAeventData, 0, $METAeventLength));
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['seqno'] = $track_sequence_number;
break;
case 0x01: // Text: generic
$text_generic = substr($METAeventData, 0, $METAeventLength);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['text'] = $text_generic;
$thisfile_midi['comments']['comment'][] = $text_generic;
break;
case 0x02: // Text: copyright
$text_copyright = substr($METAeventData, 0, $METAeventLength);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['copyright'] = $text_copyright;
$thisfile_midi['comments']['copyright'][] = $text_copyright;
break;
case 0x03: // Text: track name
$text_trackname = substr($METAeventData, 0, $METAeventLength);
$thisfile_midi_raw['track'][$tracknumber]['name'] = $text_trackname;
break;
case 0x04: // Text: track instrument name
$text_instrument = substr($METAeventData, 0, $METAeventLength);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['instrument'] = $text_instrument;
break;
case 0x05: // Text: lyrics
$text_lyrics = substr($METAeventData, 0, $METAeventLength);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['lyrics'] = $text_lyrics;
if (!isset($thisfile_midi['lyrics'])) {
$thisfile_midi['lyrics'] = '';
}
$thisfile_midi['lyrics'] .= $text_lyrics."\n";
break;
case 0x06: // Text: marker
$text_marker = substr($METAeventData, 0, $METAeventLength);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['marker'] = $text_marker;
break;
case 0x07: // Text: cue point
$text_cuepoint = substr($METAeventData, 0, $METAeventLength);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['cuepoint'] = $text_cuepoint;
break;
case 0x2F: // End Of Track
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['EOT'] = $CumulativeDeltaTime;
break;
case 0x51: // Tempo: microseconds / quarter note
$CurrentMicroSecondsPerBeat = getid3_lib::BigEndian2Int(substr($METAeventData, 0, $METAeventLength));
if ($CurrentMicroSecondsPerBeat == 0) {
$this->error('Corrupt MIDI file: CurrentMicroSecondsPerBeat == zero');
return false;
}
$thisfile_midi_raw['events'][$tracknumber][$CumulativeDeltaTime]['us_qnote'] = $CurrentMicroSecondsPerBeat;
$MicroSecondsPerQuarterNoteAfter[$CumulativeDeltaTime] = $CurrentMicroSecondsPerBeat;
$TicksAtCurrentBPM = 0;
break;
case 0x58: // Time signature
$timesig_numerator = getid3_lib::BigEndian2Int($METAeventData[0]);
$timesig_denominator = pow(2, getid3_lib::BigEndian2Int($METAeventData[1])); // $02 -> x/4, $03 -> x/8, etc
$timesig_32inqnote = getid3_lib::BigEndian2Int($METAeventData[2]); // number of 32nd notes to the quarter note
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['timesig_32inqnote'] = $timesig_32inqnote;
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['timesig_numerator'] = $timesig_numerator;
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['timesig_denominator'] = $timesig_denominator;
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['timesig_text'] = $timesig_numerator.'/'.$timesig_denominator;
$thisfile_midi['timesignature'][] = $timesig_numerator.'/'.$timesig_denominator;
break;
case 0x59: // Keysignature
$keysig_sharpsflats = getid3_lib::BigEndian2Int($METAeventData[0]);
if ($keysig_sharpsflats & 0x80) {
// (-7 -> 7 flats, 0 ->key of C, 7 -> 7 sharps)
$keysig_sharpsflats -= 256;
}
$keysig_majorminor = getid3_lib::BigEndian2Int($METAeventData[1]); // 0 -> major, 1 -> minor
$keysigs = array(-7=>'Cb', -6=>'Gb', -5=>'Db', -4=>'Ab', -3=>'Eb', -2=>'Bb', -1=>'F', 0=>'C', 1=>'G', 2=>'D', 3=>'A', 4=>'E', 5=>'B', 6=>'F#', 7=>'C#');
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['keysig_sharps'] = (($keysig_sharpsflats > 0) ? abs($keysig_sharpsflats) : 0);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['keysig_flats'] = (($keysig_sharpsflats < 0) ? abs($keysig_sharpsflats) : 0);
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['keysig_minor'] = (bool) $keysig_majorminor;
//$thisfile_midi_raw['events'][$tracknumber][$eventid]['keysig_text'] = $keysigs[$keysig_sharpsflats].' '.($thisfile_midi_raw['events'][$tracknumber][$eventid]['keysig_minor'] ? 'minor' : 'major');
// $keysigs[$keysig_sharpsflats] gets an int key (correct) - $keysigs["$keysig_sharpsflats"] gets a string key (incorrect)
$thisfile_midi['keysignature'][] = $keysigs[$keysig_sharpsflats].' '.((bool) $keysig_majorminor ? 'minor' : 'major');
break;
case 0x7F: // Sequencer specific information
$custom_data = substr($METAeventData, 0, $METAeventLength);
break;
default:
$this->warning('Unhandled META Event Command: '.$METAeventCommand);
break;
}
} else {
$this->warning('Unhandled MIDI Event ID: '.$MIDIevents[$tracknumber][$eventid]['eventid'].' + Channel ID: '.$MIDIevents[$tracknumber][$eventid]['channel']);
}
}
if (($tracknumber > 0) || (count($trackdataarray) == 1)) {
$thisfile_midi['totalticks'] = max($thisfile_midi['totalticks'], $CumulativeDeltaTime);
}
}
$previoustickoffset = null;
$prevmicrosecondsperbeat = null;
ksort($MicroSecondsPerQuarterNoteAfter);
foreach ($MicroSecondsPerQuarterNoteAfter as $tickoffset => $microsecondsperbeat) {
if (is_null($previoustickoffset)) {
$prevmicrosecondsperbeat = $microsecondsperbeat;
$previoustickoffset = $tickoffset;
continue;
}
if ($thisfile_midi['totalticks'] > $tickoffset) {
if ($thisfile_midi_raw['ticksperqnote'] == 0) {
$this->error('Corrupt MIDI file: ticksperqnote == zero');
return false;
}
$info['playtime_seconds'] += (($tickoffset - $previoustickoffset) / $thisfile_midi_raw['ticksperqnote']) * ($prevmicrosecondsperbeat / 1000000);
$prevmicrosecondsperbeat = $microsecondsperbeat;
$previoustickoffset = $tickoffset;
}
}
if ($thisfile_midi['totalticks'] > $previoustickoffset) {
if ($thisfile_midi_raw['ticksperqnote'] == 0) {
$this->error('Corrupt MIDI file: ticksperqnote == zero');
return false;
}
$info['playtime_seconds'] += (($thisfile_midi['totalticks'] - $previoustickoffset) / $thisfile_midi_raw['ticksperqnote']) * ($prevmicrosecondsperbeat / 1000000);
}
}
if (!empty($info['playtime_seconds'])) {
$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
}
if (!empty($thisfile_midi['lyrics'])) {
$thisfile_midi['comments']['lyrics'][] = $thisfile_midi['lyrics'];
}
return true;
}
/**
* @param int $instrumentid
*
* @return string
*/
public function GeneralMIDIinstrumentLookup($instrumentid) {
$begin = __LINE__;
/** This is not a comment!
0 Acoustic Grand
1 Bright Acoustic
2 Electric Grand
3 Honky-Tonk
4 Electric Piano 1
5 Electric Piano 2
6 Harpsichord
7 Clavier
8 Celesta
9 Glockenspiel
10 Music Box
11 Vibraphone
12 Marimba
13 Xylophone
14 Tubular Bells
15 Dulcimer
16 Drawbar Organ
17 Percussive Organ
18 Rock Organ
19 Church Organ
20 Reed Organ
21 Accordian
22 Harmonica
23 Tango Accordian
24 Acoustic Guitar (nylon)
25 Acoustic Guitar (steel)
26 Electric Guitar (jazz)
27 Electric Guitar (clean)
28 Electric Guitar (muted)
29 Overdriven Guitar
30 Distortion Guitar
31 Guitar Harmonics
32 Acoustic Bass
33 Electric Bass (finger)
34 Electric Bass (pick)
35 Fretless Bass
36 Slap Bass 1
37 Slap Bass 2
38 Synth Bass 1
39 Synth Bass 2
40 Violin
41 Viola
42 Cello
43 Contrabass
44 Tremolo Strings
45 Pizzicato Strings
46 Orchestral Strings
47 Timpani
48 String Ensemble 1
49 String Ensemble 2
50 SynthStrings 1
51 SynthStrings 2
52 Choir Aahs
53 Voice Oohs
54 Synth Voice
55 Orchestra Hit
56 Trumpet
57 Trombone
58 Tuba
59 Muted Trumpet
60 French Horn
61 Brass Section
62 SynthBrass 1
63 SynthBrass 2
64 Soprano Sax
65 Alto Sax
66 Tenor Sax
67 Baritone Sax
68 Oboe
69 English Horn
70 Bassoon
71 Clarinet
72 Piccolo
73 Flute
74 Recorder
75 Pan Flute
76 Blown Bottle
77 Shakuhachi
78 Whistle
79 Ocarina
80 Lead 1 (square)
81 Lead 2 (sawtooth)
82 Lead 3 (calliope)
83 Lead 4 (chiff)
84 Lead 5 (charang)
85 Lead 6 (voice)
86 Lead 7 (fifths)
87 Lead 8 (bass + lead)
88 Pad 1 (new age)
89 Pad 2 (warm)
90 Pad 3 (polysynth)
91 Pad 4 (choir)
92 Pad 5 (bowed)
93 Pad 6 (metallic)
94 Pad 7 (halo)
95 Pad 8 (sweep)
96 FX 1 (rain)
97 FX 2 (soundtrack)
98 FX 3 (crystal)
99 FX 4 (atmosphere)
100 FX 5 (brightness)
101 FX 6 (goblins)
102 FX 7 (echoes)
103 FX 8 (sci-fi)
104 Sitar
105 Banjo
106 Shamisen
107 Koto
108 Kalimba
109 Bagpipe
110 Fiddle
111 Shanai
112 Tinkle Bell
113 Agogo
114 Steel Drums
115 Woodblock
116 Taiko Drum
117 Melodic Tom
118 Synth Drum
119 Reverse Cymbal
120 Guitar Fret Noise
121 Breath Noise
122 Seashore
123 Bird Tweet
124 Telephone Ring
125 Helicopter
126 Applause
127 Gunshot
*/
return getid3_lib::EmbeddedLookup($instrumentid, $begin, __LINE__, __FILE__, 'GeneralMIDIinstrument');
}
/**
* @param int $instrumentid
*
* @return string
*/
public function GeneralMIDIpercussionLookup($instrumentid) {
$begin = __LINE__;
/** This is not a comment!
35 Acoustic Bass Drum
36 Bass Drum 1
37 Side Stick
38 Acoustic Snare
39 Hand Clap
40 Electric Snare
41 Low Floor Tom
42 Closed Hi-Hat
43 High Floor Tom
44 Pedal Hi-Hat
45 Low Tom
46 Open Hi-Hat
47 Low-Mid Tom
48 Hi-Mid Tom
49 Crash Cymbal 1
50 High Tom
51 Ride Cymbal 1
52 Chinese Cymbal
53 Ride Bell
54 Tambourine
55 Splash Cymbal
56 Cowbell
57 Crash Cymbal 2
59 Ride Cymbal 2
60 Hi Bongo
61 Low Bongo
62 Mute Hi Conga
63 Open Hi Conga
64 Low Conga
65 High Timbale
66 Low Timbale
67 High Agogo
68 Low Agogo
69 Cabasa
70 Maracas
71 Short Whistle
72 Long Whistle
73 Short Guiro
74 Long Guiro
75 Claves
76 Hi Wood Block
77 Low Wood Block
78 Mute Cuica
79 Open Cuica
80 Mute Triangle
81 Open Triangle
*/
return getid3_lib::EmbeddedLookup($instrumentid, $begin, __LINE__, __FILE__, 'GeneralMIDIpercussion');
}
}

View File

@ -0,0 +1,154 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.mod.php //
// module for analyzing MOD Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_mod extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$fileheader = $this->fread(1088);
if (preg_match('#^IMPM#', $fileheader)) {
return $this->getITheaderFilepointer();
} elseif (preg_match('#^Extended Module#', $fileheader)) {
return $this->getXMheaderFilepointer();
} elseif (preg_match('#^.{44}SCRM#s', $fileheader)) {
return $this->getS3MheaderFilepointer();
//} elseif (preg_match('#^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)#s', $fileheader)) {
} elseif (preg_match('#^.{1080}(M\\.K\\.)#s', $fileheader)) {
/*
The four letters "M.K." - This is something Mahoney & Kaktus inserted when they
increased the number of samples from 15 to 31. If it's not there, the module/song
uses 15 samples or the text has been removed to make the module harder to rip.
Startrekker puts "FLT4" or "FLT8" there instead.
If there are more than 64 patterns, PT2.3 will insert M!K! here.
*/
return $this->getMODheaderFilepointer();
}
$this->error('This is not a known type of MOD file');
return false;
}
/**
* @return bool
*/
public function getMODheaderFilepointer() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$filedata = $this->fread(1084);
//if (!preg_match('#^(M.K.|[5-9]CHN|[1-3][0-9]CH)$#', $FormatID)) {
if (substr($filedata, 1080, 4) == 'M.K.') {
// + 0 song/module working title
// + 20 15 sample headers (see below)
// + 470 song length (number of steps in pattern table)
// + 471 song speed in beats per minute (see below)
// + 472 pattern step table
$offset = 0;
$info['mod']['title'] = rtrim(substr($filedata, $offset, 20), "\x00"); $offset += 20;
$info['tags']['mod']['title'] = array($info['mod']['title']);
for ($samplenumber = 0; $samplenumber <= 30; $samplenumber++) {
$sampledata = array();
$sampledata['name'] = substr($filedata, $offset, 22); $offset += 22;
$sampledata['length'] = getid3_lib::BigEndian2Int(substr($filedata, $offset, 2)); $offset += 2;
$sampledata['volume'] = getid3_lib::BigEndian2Int(substr($filedata, $offset, 2)); $offset += 2;
$sampledata['repeat_offset'] = getid3_lib::BigEndian2Int(substr($filedata, $offset, 2)); $offset += 2;
$sampledata['repeat_length'] = getid3_lib::BigEndian2Int(substr($filedata, $offset, 2)); $offset += 2;
$info['mod']['samples'][$samplenumber] = $sampledata;
}
$info['mod']['song_length'] = getid3_lib::BigEndian2Int(substr($filedata, $offset++, 1));// Songlength. Range is 1-128.
$info['mod']['bpm'] = getid3_lib::BigEndian2Int(substr($filedata, $offset++, 1));// This byte is set to 127, so that old trackers will search through all patterns when loading. Noisetracker uses this byte for restart, ProTracker doesn't.
for ($songposition = 0; $songposition <= 127; $songposition++) {
// Song positions 0-127. Each hold a number from 0-63 (or 0-127)
// that tells the tracker what pattern to play at that position.
$info['mod']['song_positions'][$songposition] = getid3_lib::BigEndian2Int(substr($filedata, $offset++, 1));
}
} else {
$this->error('unknown MOD ID at offset 1080: '.getid3_lib::PrintHexBytes(substr($filedata, 1080, 4)));
return false;
}
$info['fileformat'] = 'mod';
$this->warning('MOD (SoundTracker) parsing incomplete in this version of getID3() ['.$this->getid3->version().']');
return true;
}
/**
* @return bool
*/
public function getXMheaderFilepointer() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$FormatID = $this->fread(15);
if (!preg_match('#^Extended Module$#', $FormatID)) {
$this->error('This is not a known type of XM-MOD file');
return false;
}
$info['fileformat'] = 'xm';
$this->error('XM-MOD parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
/**
* @return bool
*/
public function getS3MheaderFilepointer() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset'] + 44);
$FormatID = $this->fread(4);
if (!preg_match('#^SCRM$#', $FormatID)) {
$this->error('This is not a ScreamTracker MOD file');
return false;
}
$info['fileformat'] = 's3m';
$this->error('ScreamTracker parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
/**
* @return bool
*/
public function getITheaderFilepointer() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$FormatID = $this->fread(4);
if (!preg_match('#^IMPM$#', $FormatID)) {
$this->error('This is not an ImpulseTracker MOD file');
return false;
}
$info['fileformat'] = 'it';
$this->error('ImpulseTracker parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
}

View File

@ -0,0 +1,220 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.monkey.php //
// module for analyzing Monkey's Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_monkey extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// based loosely on code from TMonkey by Jurgen Faul <jfaulØgmx*de>
// http://jfaul.de/atl or http://j-faul.virtualave.net/atl/atl.html
$info['fileformat'] = 'mac';
$info['audio']['dataformat'] = 'mac';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = true;
$info['monkeys_audio']['raw'] = array();
$thisfile_monkeysaudio = &$info['monkeys_audio'];
$thisfile_monkeysaudio_raw = &$thisfile_monkeysaudio['raw'];
$this->fseek($info['avdataoffset']);
$MACheaderData = $this->fread(74);
$thisfile_monkeysaudio_raw['magic'] = substr($MACheaderData, 0, 4);
$magic = 'MAC ';
if ($thisfile_monkeysaudio_raw['magic'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($thisfile_monkeysaudio_raw['magic']).'"');
unset($info['fileformat']);
return false;
}
$thisfile_monkeysaudio_raw['nVersion'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 4, 2)); // appears to be uint32 in 3.98+
if ($thisfile_monkeysaudio_raw['nVersion'] < 3980) {
$thisfile_monkeysaudio_raw['nCompressionLevel'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 6, 2));
$thisfile_monkeysaudio_raw['nFormatFlags'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 8, 2));
$thisfile_monkeysaudio_raw['nChannels'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 10, 2));
$thisfile_monkeysaudio_raw['nSampleRate'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 12, 4));
$thisfile_monkeysaudio_raw['nHeaderDataBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 16, 4));
$thisfile_monkeysaudio_raw['nWAVTerminatingBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 20, 4));
$thisfile_monkeysaudio_raw['nTotalFrames'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 24, 4));
$thisfile_monkeysaudio_raw['nFinalFrameSamples'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 28, 4));
$thisfile_monkeysaudio_raw['nPeakLevel'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 32, 4));
$thisfile_monkeysaudio_raw['nSeekElements'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, 38, 2));
$offset = 8;
} else {
$offset = 8;
// APE_DESCRIPTOR
$thisfile_monkeysaudio_raw['nDescriptorBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nHeaderBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nSeekTableBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nHeaderDataBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nAPEFrameDataBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nAPEFrameDataBytesHigh'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nTerminatingDataBytes'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['cFileMD5'] = substr($MACheaderData, $offset, 16);
$offset += 16;
// APE_HEADER
$thisfile_monkeysaudio_raw['nCompressionLevel'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
$offset += 2;
$thisfile_monkeysaudio_raw['nFormatFlags'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
$offset += 2;
$thisfile_monkeysaudio_raw['nBlocksPerFrame'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nFinalFrameBlocks'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nTotalFrames'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
$thisfile_monkeysaudio_raw['nBitsPerSample'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
$offset += 2;
$thisfile_monkeysaudio_raw['nChannels'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 2));
$offset += 2;
$thisfile_monkeysaudio_raw['nSampleRate'] = getid3_lib::LittleEndian2Int(substr($MACheaderData, $offset, 4));
$offset += 4;
}
$thisfile_monkeysaudio['flags']['8-bit'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0001);
$thisfile_monkeysaudio['flags']['crc-32'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0002);
$thisfile_monkeysaudio['flags']['peak_level'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0004);
$thisfile_monkeysaudio['flags']['24-bit'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0008);
$thisfile_monkeysaudio['flags']['seek_elements'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0010);
$thisfile_monkeysaudio['flags']['no_wav_header'] = (bool) ($thisfile_monkeysaudio_raw['nFormatFlags'] & 0x0020);
$thisfile_monkeysaudio['version'] = $thisfile_monkeysaudio_raw['nVersion'] / 1000;
$thisfile_monkeysaudio['compression'] = $this->MonkeyCompressionLevelNameLookup($thisfile_monkeysaudio_raw['nCompressionLevel']);
if ($thisfile_monkeysaudio_raw['nVersion'] < 3980) {
$thisfile_monkeysaudio['samples_per_frame'] = $this->MonkeySamplesPerFrame($thisfile_monkeysaudio_raw['nVersion'], $thisfile_monkeysaudio_raw['nCompressionLevel']);
}
$thisfile_monkeysaudio['bits_per_sample'] = ($thisfile_monkeysaudio['flags']['24-bit'] ? 24 : ($thisfile_monkeysaudio['flags']['8-bit'] ? 8 : 16));
$thisfile_monkeysaudio['channels'] = $thisfile_monkeysaudio_raw['nChannels'];
$info['audio']['channels'] = $thisfile_monkeysaudio['channels'];
$thisfile_monkeysaudio['sample_rate'] = $thisfile_monkeysaudio_raw['nSampleRate'];
if ($thisfile_monkeysaudio['sample_rate'] == 0) {
$this->error('Corrupt MAC file: frequency == zero');
return false;
}
$info['audio']['sample_rate'] = $thisfile_monkeysaudio['sample_rate'];
if ($thisfile_monkeysaudio['flags']['peak_level']) {
$thisfile_monkeysaudio['peak_level'] = $thisfile_monkeysaudio_raw['nPeakLevel'];
$thisfile_monkeysaudio['peak_ratio'] = $thisfile_monkeysaudio['peak_level'] / pow(2, $thisfile_monkeysaudio['bits_per_sample'] - 1);
}
if ($thisfile_monkeysaudio_raw['nVersion'] >= 3980) {
$thisfile_monkeysaudio['samples'] = (($thisfile_monkeysaudio_raw['nTotalFrames'] - 1) * $thisfile_monkeysaudio_raw['nBlocksPerFrame']) + $thisfile_monkeysaudio_raw['nFinalFrameBlocks'];
} else {
$thisfile_monkeysaudio['samples'] = (($thisfile_monkeysaudio_raw['nTotalFrames'] - 1) * $thisfile_monkeysaudio['samples_per_frame']) + $thisfile_monkeysaudio_raw['nFinalFrameSamples'];
}
$thisfile_monkeysaudio['playtime'] = $thisfile_monkeysaudio['samples'] / $thisfile_monkeysaudio['sample_rate'];
if ($thisfile_monkeysaudio['playtime'] == 0) {
$this->error('Corrupt MAC file: playtime == zero');
return false;
}
$info['playtime_seconds'] = $thisfile_monkeysaudio['playtime'];
$thisfile_monkeysaudio['compressed_size'] = $info['avdataend'] - $info['avdataoffset'];
$thisfile_monkeysaudio['uncompressed_size'] = $thisfile_monkeysaudio['samples'] * $thisfile_monkeysaudio['channels'] * ($thisfile_monkeysaudio['bits_per_sample'] / 8);
if ($thisfile_monkeysaudio['uncompressed_size'] == 0) {
$this->error('Corrupt MAC file: uncompressed_size == zero');
return false;
}
$thisfile_monkeysaudio['compression_ratio'] = $thisfile_monkeysaudio['compressed_size'] / ($thisfile_monkeysaudio['uncompressed_size'] + $thisfile_monkeysaudio_raw['nHeaderDataBytes']);
$thisfile_monkeysaudio['bitrate'] = (($thisfile_monkeysaudio['samples'] * $thisfile_monkeysaudio['channels'] * $thisfile_monkeysaudio['bits_per_sample']) / $thisfile_monkeysaudio['playtime']) * $thisfile_monkeysaudio['compression_ratio'];
$info['audio']['bitrate'] = $thisfile_monkeysaudio['bitrate'];
// add size of MAC header to avdataoffset
if ($thisfile_monkeysaudio_raw['nVersion'] >= 3980) {
$info['avdataoffset'] += $thisfile_monkeysaudio_raw['nDescriptorBytes'];
$info['avdataoffset'] += $thisfile_monkeysaudio_raw['nHeaderBytes'];
$info['avdataoffset'] += $thisfile_monkeysaudio_raw['nSeekTableBytes'];
$info['avdataoffset'] += $thisfile_monkeysaudio_raw['nHeaderDataBytes'];
$info['avdataend'] -= $thisfile_monkeysaudio_raw['nTerminatingDataBytes'];
} else {
$info['avdataoffset'] += $offset;
}
if ($thisfile_monkeysaudio_raw['nVersion'] >= 3980) {
if ($thisfile_monkeysaudio_raw['cFileMD5'] === str_repeat("\x00", 16)) {
//$this->warning('cFileMD5 is null');
} else {
$info['md5_data_source'] = '';
$md5 = $thisfile_monkeysaudio_raw['cFileMD5'];
for ($i = 0; $i < strlen($md5); $i++) {
$info['md5_data_source'] .= str_pad(dechex(ord($md5[$i])), 2, '00', STR_PAD_LEFT);
}
if (!preg_match('/^[0-9a-f]{32}$/', $info['md5_data_source'])) {
unset($info['md5_data_source']);
}
}
}
$info['audio']['bits_per_sample'] = $thisfile_monkeysaudio['bits_per_sample'];
$info['audio']['encoder'] = 'MAC v'.number_format($thisfile_monkeysaudio['version'], 2);
$info['audio']['encoder_options'] = ucfirst($thisfile_monkeysaudio['compression']).' compression';
return true;
}
/**
* @param int $compressionlevel
*
* @return string
*/
public function MonkeyCompressionLevelNameLookup($compressionlevel) {
static $MonkeyCompressionLevelNameLookup = array(
0 => 'unknown',
1000 => 'fast',
2000 => 'normal',
3000 => 'high',
4000 => 'extra-high',
5000 => 'insane'
);
return (isset($MonkeyCompressionLevelNameLookup[$compressionlevel]) ? $MonkeyCompressionLevelNameLookup[$compressionlevel] : 'invalid');
}
/**
* @param int $versionid
* @param int $compressionlevel
*
* @return int
*/
public function MonkeySamplesPerFrame($versionid, $compressionlevel) {
if ($versionid >= 3950) {
return 73728 * 4;
} elseif ($versionid >= 3900) {
return 73728;
} elseif (($versionid >= 3800) && ($compressionlevel == 4000)) {
return 73728;
} else {
return 9216;
}
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,549 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.mpc.php //
// module for analyzing Musepack/MPEG+ Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_mpc extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['mpc']['header'] = array();
$thisfile_mpc_header = &$info['mpc']['header'];
$info['fileformat'] = 'mpc';
$info['audio']['dataformat'] = 'mpc';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['channels'] = 2; // up to SV7 the format appears to have been hardcoded for stereo only
$info['audio']['lossless'] = false;
$this->fseek($info['avdataoffset']);
$MPCheaderData = $this->fread(4);
$info['mpc']['header']['preamble'] = substr($MPCheaderData, 0, 4); // should be 'MPCK' (SV8) or 'MP+' (SV7), otherwise possible stream data (SV4-SV6)
if (preg_match('#^MPCK#', $info['mpc']['header']['preamble'])) {
// this is SV8
return $this->ParseMPCsv8();
} elseif (preg_match('#^MP\+#', $info['mpc']['header']['preamble'])) {
// this is SV7
return $this->ParseMPCsv7();
} elseif (preg_match('#^[\x00\x01\x10\x11\x40\x41\x50\x51\x80\x81\x90\x91\xC0\xC1\xD0\xD1][\x20-37][\x00\x20\x40\x60\x80\xA0\xC0\xE0]#s', $MPCheaderData)) {
// this is SV4 - SV6, handle seperately
return $this->ParseMPCsv6();
} else {
$this->error('Expecting "MP+" or "MPCK" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($MPCheaderData, 0, 4)).'"');
unset($info['fileformat']);
unset($info['mpc']);
return false;
}
}
/**
* @return bool
*/
public function ParseMPCsv8() {
// this is SV8
// http://trac.musepack.net/trac/wiki/SV8Specification
$info = &$this->getid3->info;
$thisfile_mpc_header = &$info['mpc']['header'];
$keyNameSize = 2;
$maxHandledPacketLength = 9; // specs say: "n*8; 0 < n < 10"
$offset = $this->ftell();
while ($offset < $info['avdataend']) {
$thisPacket = array();
$thisPacket['offset'] = $offset;
$packet_offset = 0;
// Size is a variable-size field, could be 1-4 bytes (possibly more?)
// read enough data in and figure out the exact size later
$MPCheaderData = $this->fread($keyNameSize + $maxHandledPacketLength);
$packet_offset += $keyNameSize;
$thisPacket['key'] = substr($MPCheaderData, 0, $keyNameSize);
$thisPacket['key_name'] = $this->MPCsv8PacketName($thisPacket['key']);
if ($thisPacket['key'] == $thisPacket['key_name']) {
$this->error('Found unexpected key value "'.$thisPacket['key'].'" at offset '.$thisPacket['offset']);
return false;
}
$packetLength = 0;
$thisPacket['packet_size'] = $this->SV8variableLengthInteger(substr($MPCheaderData, $keyNameSize), $packetLength); // includes keyname and packet_size field
if ($thisPacket['packet_size'] === false) {
$this->error('Did not find expected packet length within '.$maxHandledPacketLength.' bytes at offset '.($thisPacket['offset'] + $keyNameSize));
return false;
}
$packet_offset += $packetLength;
$offset += $thisPacket['packet_size'];
switch ($thisPacket['key']) {
case 'SH': // Stream Header
$moreBytesToRead = $thisPacket['packet_size'] - $keyNameSize - $maxHandledPacketLength;
if ($moreBytesToRead > 0) {
$MPCheaderData .= $this->fread($moreBytesToRead);
}
$thisPacket['crc'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 4));
$packet_offset += 4;
$thisPacket['stream_version'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 1));
$packet_offset += 1;
$packetLength = 0;
$thisPacket['sample_count'] = $this->SV8variableLengthInteger(substr($MPCheaderData, $packet_offset, $maxHandledPacketLength), $packetLength);
$packet_offset += $packetLength;
$packetLength = 0;
$thisPacket['beginning_silence'] = $this->SV8variableLengthInteger(substr($MPCheaderData, $packet_offset, $maxHandledPacketLength), $packetLength);
$packet_offset += $packetLength;
$otherUsefulData = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 2));
$packet_offset += 2;
$thisPacket['sample_frequency_raw'] = (($otherUsefulData & 0xE000) >> 13);
$thisPacket['max_bands_used'] = (($otherUsefulData & 0x1F00) >> 8);
$thisPacket['channels'] = (($otherUsefulData & 0x00F0) >> 4) + 1;
$thisPacket['ms_used'] = (bool) (($otherUsefulData & 0x0008) >> 3);
$thisPacket['audio_block_frames'] = (($otherUsefulData & 0x0007) >> 0);
$thisPacket['sample_frequency'] = $this->MPCfrequencyLookup($thisPacket['sample_frequency_raw']);
$thisfile_mpc_header['mid_side_stereo'] = $thisPacket['ms_used'];
$thisfile_mpc_header['sample_rate'] = $thisPacket['sample_frequency'];
$thisfile_mpc_header['samples'] = $thisPacket['sample_count'];
$thisfile_mpc_header['stream_version_major'] = $thisPacket['stream_version'];
$info['audio']['channels'] = $thisPacket['channels'];
$info['audio']['sample_rate'] = $thisPacket['sample_frequency'];
$info['playtime_seconds'] = $thisPacket['sample_count'] / $thisPacket['sample_frequency'];
$info['audio']['bitrate'] = getid3_lib::SafeDiv(($info['avdataend'] - $info['avdataoffset']) * 8, $info['playtime_seconds']);
break;
case 'RG': // Replay Gain
$moreBytesToRead = $thisPacket['packet_size'] - $keyNameSize - $maxHandledPacketLength;
if ($moreBytesToRead > 0) {
$MPCheaderData .= $this->fread($moreBytesToRead);
}
$thisPacket['replaygain_version'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 1));
$packet_offset += 1;
$thisPacket['replaygain_title_gain'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 2));
$packet_offset += 2;
$thisPacket['replaygain_title_peak'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 2));
$packet_offset += 2;
$thisPacket['replaygain_album_gain'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 2));
$packet_offset += 2;
$thisPacket['replaygain_album_peak'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 2));
$packet_offset += 2;
if ($thisPacket['replaygain_title_gain']) { $info['replay_gain']['title']['gain'] = $thisPacket['replaygain_title_gain']; }
if ($thisPacket['replaygain_title_peak']) { $info['replay_gain']['title']['peak'] = $thisPacket['replaygain_title_peak']; }
if ($thisPacket['replaygain_album_gain']) { $info['replay_gain']['album']['gain'] = $thisPacket['replaygain_album_gain']; }
if ($thisPacket['replaygain_album_peak']) { $info['replay_gain']['album']['peak'] = $thisPacket['replaygain_album_peak']; }
break;
case 'EI': // Encoder Info
$moreBytesToRead = $thisPacket['packet_size'] - $keyNameSize - $maxHandledPacketLength;
if ($moreBytesToRead > 0) {
$MPCheaderData .= $this->fread($moreBytesToRead);
}
$profile_pns = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 1));
$packet_offset += 1;
$quality_int = (($profile_pns & 0xF0) >> 4);
$quality_dec = (($profile_pns & 0x0E) >> 3);
$thisPacket['quality'] = (float) $quality_int + ($quality_dec / 8);
$thisPacket['pns_tool'] = (bool) (($profile_pns & 0x01) >> 0);
$thisPacket['version_major'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 1));
$packet_offset += 1;
$thisPacket['version_minor'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 1));
$packet_offset += 1;
$thisPacket['version_build'] = getid3_lib::BigEndian2Int(substr($MPCheaderData, $packet_offset, 1));
$packet_offset += 1;
$thisPacket['version'] = $thisPacket['version_major'].'.'.$thisPacket['version_minor'].'.'.$thisPacket['version_build'];
$info['audio']['encoder'] = 'MPC v'.$thisPacket['version'].' ('.(($thisPacket['version_minor'] % 2) ? 'unstable' : 'stable').')';
$thisfile_mpc_header['encoder_version'] = $info['audio']['encoder'];
//$thisfile_mpc_header['quality'] = (float) ($thisPacket['quality'] / 1.5875); // values can range from 0.000 to 15.875, mapped to qualities of 0.0 to 10.0
$thisfile_mpc_header['quality'] = (float) ($thisPacket['quality'] - 5); // values can range from 0.000 to 15.875, of which 0..4 are "reserved/experimental", and 5..15 are mapped to qualities of 0.0 to 10.0
break;
case 'SO': // Seek Table Offset
$packetLength = 0;
$thisPacket['seek_table_offset'] = $thisPacket['offset'] + $this->SV8variableLengthInteger(substr($MPCheaderData, $packet_offset, $maxHandledPacketLength), $packetLength);
$packet_offset += $packetLength;
break;
case 'ST': // Seek Table
case 'SE': // Stream End
case 'AP': // Audio Data
// nothing useful here, just skip this packet
$thisPacket = array();
break;
default:
$this->error('Found unhandled key type "'.$thisPacket['key'].'" at offset '.$thisPacket['offset']);
return false;
}
if (!empty($thisPacket)) {
$info['mpc']['packets'][] = $thisPacket;
}
$this->fseek($offset);
}
$thisfile_mpc_header['size'] = $offset;
return true;
}
/**
* @return bool
*/
public function ParseMPCsv7() {
// this is SV7
// http://www.uni-jena.de/~pfk/mpp/sv8/header.html
$info = &$this->getid3->info;
$thisfile_mpc_header = &$info['mpc']['header'];
$offset = 0;
$thisfile_mpc_header['size'] = 28;
$MPCheaderData = $info['mpc']['header']['preamble'];
$MPCheaderData .= $this->fread($thisfile_mpc_header['size'] - strlen($info['mpc']['header']['preamble']));
$offset = strlen('MP+');
$StreamVersionByte = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 1));
$offset += 1;
$thisfile_mpc_header['stream_version_major'] = ($StreamVersionByte & 0x0F) >> 0;
$thisfile_mpc_header['stream_version_minor'] = ($StreamVersionByte & 0xF0) >> 4; // should always be 0, subversions no longer exist in SV8
$thisfile_mpc_header['frame_count'] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 4));
$offset += 4;
if ($thisfile_mpc_header['stream_version_major'] != 7) {
$this->error('Only Musepack SV7 supported (this file claims to be v'.$thisfile_mpc_header['stream_version_major'].')');
return false;
}
$FlagsDWORD1 = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 4));
$offset += 4;
$thisfile_mpc_header['intensity_stereo'] = (bool) (($FlagsDWORD1 & 0x80000000) >> 31);
$thisfile_mpc_header['mid_side_stereo'] = (bool) (($FlagsDWORD1 & 0x40000000) >> 30);
$thisfile_mpc_header['max_subband'] = ($FlagsDWORD1 & 0x3F000000) >> 24;
$thisfile_mpc_header['raw']['profile'] = ($FlagsDWORD1 & 0x00F00000) >> 20;
$thisfile_mpc_header['begin_loud'] = (bool) (($FlagsDWORD1 & 0x00080000) >> 19);
$thisfile_mpc_header['end_loud'] = (bool) (($FlagsDWORD1 & 0x00040000) >> 18);
$thisfile_mpc_header['raw']['sample_rate'] = ($FlagsDWORD1 & 0x00030000) >> 16;
$thisfile_mpc_header['max_level'] = ($FlagsDWORD1 & 0x0000FFFF);
$thisfile_mpc_header['raw']['title_peak'] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 2));
$offset += 2;
$thisfile_mpc_header['raw']['title_gain'] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 2), true);
$offset += 2;
$thisfile_mpc_header['raw']['album_peak'] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 2));
$offset += 2;
$thisfile_mpc_header['raw']['album_gain'] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 2), true);
$offset += 2;
$FlagsDWORD2 = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 4));
$offset += 4;
$thisfile_mpc_header['true_gapless'] = (bool) (($FlagsDWORD2 & 0x80000000) >> 31);
$thisfile_mpc_header['last_frame_length'] = ($FlagsDWORD2 & 0x7FF00000) >> 20;
$thisfile_mpc_header['raw']['not_sure_what'] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 3));
$offset += 3;
$thisfile_mpc_header['raw']['encoder_version'] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, $offset, 1));
$offset += 1;
$thisfile_mpc_header['profile'] = $this->MPCprofileNameLookup($thisfile_mpc_header['raw']['profile']);
$thisfile_mpc_header['sample_rate'] = $this->MPCfrequencyLookup($thisfile_mpc_header['raw']['sample_rate']);
if ($thisfile_mpc_header['sample_rate'] == 0) {
$this->error('Corrupt MPC file: frequency == zero');
return false;
}
$info['audio']['sample_rate'] = $thisfile_mpc_header['sample_rate'];
$thisfile_mpc_header['samples'] = ((($thisfile_mpc_header['frame_count'] - 1) * 1152) + $thisfile_mpc_header['last_frame_length']) * $info['audio']['channels'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($thisfile_mpc_header['samples'], $info['audio']['channels'] * $info['audio']['sample_rate']);
if ($info['playtime_seconds'] == 0) {
$this->error('Corrupt MPC file: playtime_seconds == zero');
return false;
}
// add size of file header to avdataoffset - calc bitrate correctly + MD5 data
$info['avdataoffset'] += $thisfile_mpc_header['size'];
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
$thisfile_mpc_header['title_peak'] = $thisfile_mpc_header['raw']['title_peak'];
$thisfile_mpc_header['title_peak_db'] = $this->MPCpeakDBLookup($thisfile_mpc_header['title_peak']);
if ($thisfile_mpc_header['raw']['title_gain'] < 0) {
$thisfile_mpc_header['title_gain_db'] = (float) (32768 + $thisfile_mpc_header['raw']['title_gain']) / -100;
} else {
$thisfile_mpc_header['title_gain_db'] = (float) $thisfile_mpc_header['raw']['title_gain'] / 100;
}
$thisfile_mpc_header['album_peak'] = $thisfile_mpc_header['raw']['album_peak'];
$thisfile_mpc_header['album_peak_db'] = $this->MPCpeakDBLookup($thisfile_mpc_header['album_peak']);
if ($thisfile_mpc_header['raw']['album_gain'] < 0) {
$thisfile_mpc_header['album_gain_db'] = (float) (32768 + $thisfile_mpc_header['raw']['album_gain']) / -100;
} else {
$thisfile_mpc_header['album_gain_db'] = (float) $thisfile_mpc_header['raw']['album_gain'] / 100;;
}
$thisfile_mpc_header['encoder_version'] = $this->MPCencoderVersionLookup($thisfile_mpc_header['raw']['encoder_version']);
$info['replay_gain']['track']['adjustment'] = $thisfile_mpc_header['title_gain_db'];
$info['replay_gain']['album']['adjustment'] = $thisfile_mpc_header['album_gain_db'];
if ($thisfile_mpc_header['title_peak'] > 0) {
$info['replay_gain']['track']['peak'] = $thisfile_mpc_header['title_peak'];
} elseif (round($thisfile_mpc_header['max_level'] * 1.18) > 0) {
$info['replay_gain']['track']['peak'] = getid3_lib::CastAsInt(round($thisfile_mpc_header['max_level'] * 1.18)); // why? I don't know - see mppdec.c
}
if ($thisfile_mpc_header['album_peak'] > 0) {
$info['replay_gain']['album']['peak'] = $thisfile_mpc_header['album_peak'];
}
//$info['audio']['encoder'] = 'SV'.$thisfile_mpc_header['stream_version_major'].'.'.$thisfile_mpc_header['stream_version_minor'].', '.$thisfile_mpc_header['encoder_version'];
$info['audio']['encoder'] = $thisfile_mpc_header['encoder_version'];
$info['audio']['encoder_options'] = $thisfile_mpc_header['profile'];
$thisfile_mpc_header['quality'] = (float) ($thisfile_mpc_header['raw']['profile'] - 5); // values can range from 0 to 15, of which 0..4 are "reserved/experimental", and 5..15 are mapped to qualities of 0.0 to 10.0
return true;
}
/**
* @return bool
*/
public function ParseMPCsv6() {
// this is SV4 - SV6
$info = &$this->getid3->info;
$thisfile_mpc_header = &$info['mpc']['header'];
$offset = 0;
$thisfile_mpc_header['size'] = 8;
$this->fseek($info['avdataoffset']);
$MPCheaderData = $this->fread($thisfile_mpc_header['size']);
// add size of file header to avdataoffset - calc bitrate correctly + MD5 data
$info['avdataoffset'] += $thisfile_mpc_header['size'];
// Most of this code adapted from Jurgen Faul's MPEGplus source code - thanks Jurgen! :)
$HeaderDWORD = array();
$HeaderDWORD[0] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, 0, 4));
$HeaderDWORD[1] = getid3_lib::LittleEndian2Int(substr($MPCheaderData, 4, 4));
// DDDD DDDD CCCC CCCC BBBB BBBB AAAA AAAA
// aaaa aaaa abcd dddd dddd deee eeff ffff
//
// a = bitrate = anything
// b = IS = anything
// c = MS = anything
// d = streamversion = 0000000004 or 0000000005 or 0000000006
// e = maxband = anything
// f = blocksize = 000001 for SV5+, anything(?) for SV4
$thisfile_mpc_header['target_bitrate'] = (($HeaderDWORD[0] & 0xFF800000) >> 23);
$thisfile_mpc_header['intensity_stereo'] = (bool) (($HeaderDWORD[0] & 0x00400000) >> 22);
$thisfile_mpc_header['mid_side_stereo'] = (bool) (($HeaderDWORD[0] & 0x00200000) >> 21);
$thisfile_mpc_header['stream_version_major'] = ($HeaderDWORD[0] & 0x001FF800) >> 11;
$thisfile_mpc_header['stream_version_minor'] = 0; // no sub-version numbers before SV7
$thisfile_mpc_header['max_band'] = ($HeaderDWORD[0] & 0x000007C0) >> 6; // related to lowpass frequency, not sure how it translates exactly
$thisfile_mpc_header['block_size'] = ($HeaderDWORD[0] & 0x0000003F);
switch ($thisfile_mpc_header['stream_version_major']) {
case 4:
$thisfile_mpc_header['frame_count'] = ($HeaderDWORD[1] >> 16);
break;
case 5:
case 6:
$thisfile_mpc_header['frame_count'] = $HeaderDWORD[1];
break;
default:
$info['error'] = 'Expecting 4, 5 or 6 in version field, found '.$thisfile_mpc_header['stream_version_major'].' instead';
unset($info['mpc']);
return false;
}
if (($thisfile_mpc_header['stream_version_major'] > 4) && ($thisfile_mpc_header['block_size'] != 1)) {
$this->warning('Block size expected to be 1, actual value found: '.$thisfile_mpc_header['block_size']);
}
$thisfile_mpc_header['sample_rate'] = 44100; // AB: used by all files up to SV7
$info['audio']['sample_rate'] = $thisfile_mpc_header['sample_rate'];
$thisfile_mpc_header['samples'] = $thisfile_mpc_header['frame_count'] * 1152 * $info['audio']['channels'];
if ($thisfile_mpc_header['target_bitrate'] == 0) {
$info['audio']['bitrate_mode'] = 'vbr';
} else {
$info['audio']['bitrate_mode'] = 'cbr';
}
$info['mpc']['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) * 8 * 44100 / $thisfile_mpc_header['frame_count'] / 1152;
$info['audio']['bitrate'] = $info['mpc']['bitrate'];
$info['audio']['encoder'] = 'SV'.$thisfile_mpc_header['stream_version_major'];
return true;
}
/**
* @param int $profileid
*
* @return string
*/
public function MPCprofileNameLookup($profileid) {
static $MPCprofileNameLookup = array(
0 => 'no profile',
1 => 'Experimental',
2 => 'unused',
3 => 'unused',
4 => 'unused',
5 => 'below Telephone (q = 0.0)',
6 => 'below Telephone (q = 1.0)',
7 => 'Telephone (q = 2.0)',
8 => 'Thumb (q = 3.0)',
9 => 'Radio (q = 4.0)',
10 => 'Standard (q = 5.0)',
11 => 'Extreme (q = 6.0)',
12 => 'Insane (q = 7.0)',
13 => 'BrainDead (q = 8.0)',
14 => 'above BrainDead (q = 9.0)',
15 => 'above BrainDead (q = 10.0)'
);
return (isset($MPCprofileNameLookup[$profileid]) ? $MPCprofileNameLookup[$profileid] : 'invalid');
}
/**
* @param int $frequencyid
*
* @return int|string
*/
public function MPCfrequencyLookup($frequencyid) {
static $MPCfrequencyLookup = array(
0 => 44100,
1 => 48000,
2 => 37800,
3 => 32000
);
return (isset($MPCfrequencyLookup[$frequencyid]) ? $MPCfrequencyLookup[$frequencyid] : 'invalid');
}
/**
* @param int $intvalue
*
* @return float|false
*/
public function MPCpeakDBLookup($intvalue) {
if ($intvalue > 0) {
return ((log10($intvalue) / log10(2)) - 15) * 6;
}
return false;
}
/**
* @param int $encoderversion
*
* @return string
*/
public function MPCencoderVersionLookup($encoderversion) {
//Encoder version * 100 (106 = 1.06)
//EncoderVersion % 10 == 0 Release (1.0)
//EncoderVersion % 2 == 0 Beta (1.06)
//EncoderVersion % 2 == 1 Alpha (1.05a...z)
if ($encoderversion == 0) {
// very old version, not known exactly which
return 'Buschmann v1.7.0-v1.7.9 or Klemm v0.90-v1.05';
}
if (($encoderversion % 10) == 0) {
// release version
return number_format($encoderversion / 100, 2);
} elseif (($encoderversion % 2) == 0) {
// beta version
return number_format($encoderversion / 100, 2).' beta';
}
// alpha version
return number_format($encoderversion / 100, 2).' alpha';
}
/**
* @param string $data
* @param int $packetLength
* @param int $maxHandledPacketLength
*
* @return int|false
*/
public function SV8variableLengthInteger($data, &$packetLength, $maxHandledPacketLength=9) {
$packet_size = 0;
for ($packetLength = 1; $packetLength <= $maxHandledPacketLength; $packetLength++) {
// variable-length size field:
// bits, big-endian
// 0xxx xxxx - value 0 to 2^7-1
// 1xxx xxxx 0xxx xxxx - value 0 to 2^14-1
// 1xxx xxxx 1xxx xxxx 0xxx xxxx - value 0 to 2^21-1
// 1xxx xxxx 1xxx xxxx 1xxx xxxx 0xxx xxxx - value 0 to 2^28-1
// ...
$thisbyte = ord(substr($data, ($packetLength - 1), 1));
// look through bytes until find a byte with MSB==0
$packet_size = ($packet_size << 7);
$packet_size = ($packet_size | ($thisbyte & 0x7F));
if (($thisbyte & 0x80) === 0) {
break;
}
if ($packetLength >= $maxHandledPacketLength) {
return false;
}
}
return $packet_size;
}
/**
* @param string $packetKey
*
* @return string
*/
public function MPCsv8PacketName($packetKey) {
static $MPCsv8PacketName = array();
if (empty($MPCsv8PacketName)) {
$MPCsv8PacketName = array(
'AP' => 'Audio Packet',
'CT' => 'Chapter Tag',
'EI' => 'Encoder Info',
'RG' => 'Replay Gain',
'SE' => 'Stream End',
'SH' => 'Stream Header',
'SO' => 'Seek Table Offset',
'ST' => 'Seek Table',
);
}
return (isset($MPCsv8PacketName[$packetKey]) ? $MPCsv8PacketName[$packetKey] : $packetKey);
}
}

View File

@ -0,0 +1,931 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.ogg.php //
// module for analyzing Ogg Vorbis, OggFLAC and Speex files //
// dependencies: module.audio.flac.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.flac.php', __FILE__, true);
class getid3_ogg extends getid3_handler
{
/**
* @link http://xiph.org/vorbis/doc/Vorbis_I_spec.html
*
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'ogg';
// Warn about illegal tags - only vorbiscomments are allowed
if (isset($info['id3v2'])) {
$this->warning('Illegal ID3v2 tag present.');
}
if (isset($info['id3v1'])) {
$this->warning('Illegal ID3v1 tag present.');
}
if (isset($info['ape'])) {
$this->warning('Illegal APE tag present.');
}
// Page 1 - Stream Header
$this->fseek($info['avdataoffset']);
$oggpageinfo = $this->ParseOggPageHeader();
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
if ($this->ftell() >= $this->getid3->fread_buffer_size()) {
$this->error('Could not find start of Ogg page in the first '.$this->getid3->fread_buffer_size().' bytes (this might not be an Ogg-Vorbis file?)');
unset($info['fileformat']);
unset($info['ogg']);
return false;
}
$filedata = $this->fread($oggpageinfo['page_length']);
$filedataoffset = 0;
if (substr($filedata, 0, 4) == 'fLaC') {
$info['audio']['dataformat'] = 'flac';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = true;
} elseif (substr($filedata, 1, 6) == 'vorbis') {
$this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo);
} elseif (substr($filedata, 0, 8) == 'OpusHead') {
if ($this->ParseOpusPageHeader($filedata, $filedataoffset, $oggpageinfo) === false) {
return false;
}
} elseif (substr($filedata, 0, 8) == 'Speex ') {
// http://www.speex.org/manual/node10.html
$info['audio']['dataformat'] = 'speex';
$info['mime_type'] = 'audio/speex';
$info['audio']['bitrate_mode'] = 'abr';
$info['audio']['lossless'] = false;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_string'] = substr($filedata, $filedataoffset, 8); // hard-coded to 'Speex '
$filedataoffset += 8;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version'] = substr($filedata, $filedataoffset, 20);
$filedataoffset += 20;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version_id'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['header_size'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode_bitstream_version'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['bitrate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['framesize'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['frames_per_packet'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['extra_headers'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved1'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved2'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['speex']['speex_version'] = trim($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version']);
$info['speex']['sample_rate'] = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate'];
$info['speex']['channels'] = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels'];
$info['speex']['vbr'] = (bool) $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr'];
$info['speex']['band_type'] = $this->SpeexBandModeLookup($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode']);
$info['audio']['sample_rate'] = $info['speex']['sample_rate'];
$info['audio']['channels'] = $info['speex']['channels'];
if ($info['speex']['vbr']) {
$info['audio']['bitrate_mode'] = 'vbr';
}
} elseif (substr($filedata, 0, 7) == "\x80".'theora') {
// http://www.theora.org/doc/Theora.pdf (section 6.2)
$info['ogg']['pageheader']['theora']['theora_magic'] = substr($filedata, $filedataoffset, 7); // hard-coded to "\x80.'theora'
$filedataoffset += 7;
$info['ogg']['pageheader']['theora']['version_major'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['pageheader']['theora']['version_minor'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['pageheader']['theora']['version_revision'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['pageheader']['theora']['frame_width_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
$filedataoffset += 2;
$info['ogg']['pageheader']['theora']['frame_height_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
$filedataoffset += 2;
$info['ogg']['pageheader']['theora']['resolution_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
$filedataoffset += 3;
$info['ogg']['pageheader']['theora']['resolution_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
$filedataoffset += 3;
$info['ogg']['pageheader']['theora']['picture_offset_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['pageheader']['theora']['picture_offset_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['pageheader']['theora']['frame_rate_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader']['theora']['frame_rate_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
$filedataoffset += 3;
$info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
$filedataoffset += 3;
$info['ogg']['pageheader']['theora']['color_space_id'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['pageheader']['theora']['nominal_bitrate'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
$filedataoffset += 3;
$info['ogg']['pageheader']['theora']['flags'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
$filedataoffset += 2;
$info['ogg']['pageheader']['theora']['quality'] = ($info['ogg']['pageheader']['theora']['flags'] & 0xFC00) >> 10;
$info['ogg']['pageheader']['theora']['kfg_shift'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x03E0) >> 5;
$info['ogg']['pageheader']['theora']['pixel_format_id'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0018) >> 3;
$info['ogg']['pageheader']['theora']['reserved'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0007) >> 0; // should be 0
$info['ogg']['pageheader']['theora']['color_space'] = self::TheoraColorSpace($info['ogg']['pageheader']['theora']['color_space_id']);
$info['ogg']['pageheader']['theora']['pixel_format'] = self::TheoraPixelFormat($info['ogg']['pageheader']['theora']['pixel_format_id']);
$info['video']['dataformat'] = 'theora';
$info['mime_type'] = 'video/ogg';
//$info['audio']['bitrate_mode'] = 'abr';
//$info['audio']['lossless'] = false;
$info['video']['resolution_x'] = $info['ogg']['pageheader']['theora']['resolution_x'];
$info['video']['resolution_y'] = $info['ogg']['pageheader']['theora']['resolution_y'];
if ($info['ogg']['pageheader']['theora']['frame_rate_denominator'] > 0) {
$info['video']['frame_rate'] = (float) $info['ogg']['pageheader']['theora']['frame_rate_numerator'] / $info['ogg']['pageheader']['theora']['frame_rate_denominator'];
}
if ($info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] > 0) {
$info['video']['pixel_aspect_ratio'] = (float) $info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] / $info['ogg']['pageheader']['theora']['pixel_aspect_denominator'];
}
$this->warning('Ogg Theora (v3) not fully supported in this version of getID3 ['.$this->getid3->version().'] -- bitrate, playtime and all audio data are currently unavailable');
} elseif (substr($filedata, 0, 8) == "fishead\x00") {
// Ogg Skeleton version 3.0 Format Specification
// http://xiph.org/ogg/doc/skeleton.html
$filedataoffset += 8;
$info['ogg']['skeleton']['fishead']['raw']['version_major'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
$filedataoffset += 2;
$info['ogg']['skeleton']['fishead']['raw']['version_minor'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
$filedataoffset += 2;
$info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$info['ogg']['skeleton']['fishead']['raw']['basetime_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$info['ogg']['skeleton']['fishead']['raw']['basetime_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$info['ogg']['skeleton']['fishead']['raw']['utc'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 20));
$filedataoffset += 20;
$info['ogg']['skeleton']['fishead']['version'] = $info['ogg']['skeleton']['fishead']['raw']['version_major'].'.'.$info['ogg']['skeleton']['fishead']['raw']['version_minor'];
$info['ogg']['skeleton']['fishead']['presentationtime'] = getid3_lib::SafeDiv($info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'], $info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator']);
$info['ogg']['skeleton']['fishead']['basetime'] = getid3_lib::SafeDiv($info['ogg']['skeleton']['fishead']['raw']['basetime_numerator'], $info['ogg']['skeleton']['fishead']['raw']['basetime_denominator']);
$info['ogg']['skeleton']['fishead']['utc'] = $info['ogg']['skeleton']['fishead']['raw']['utc'];
$counter = 0;
do {
$oggpageinfo = $this->ParseOggPageHeader();
$info['ogg']['pageheader'][$oggpageinfo['page_seqno'].'.'.$counter++] = $oggpageinfo;
$filedata = $this->fread($oggpageinfo['page_length']);
$this->fseek($oggpageinfo['page_end_offset']);
if (substr($filedata, 0, 8) == "fisbone\x00") {
$filedataoffset = 8;
$info['ogg']['skeleton']['fisbone']['raw']['message_header_offset'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['skeleton']['fisbone']['raw']['serial_number'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['skeleton']['fisbone']['raw']['number_header_packets'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['skeleton']['fisbone']['raw']['granulerate_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$info['ogg']['skeleton']['fisbone']['raw']['granulerate_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$info['ogg']['skeleton']['fisbone']['raw']['basegranule'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$info['ogg']['skeleton']['fisbone']['raw']['preroll'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['skeleton']['fisbone']['raw']['granuleshift'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['skeleton']['fisbone']['raw']['padding'] = substr($filedata, $filedataoffset, 3);
$filedataoffset += 3;
} elseif (substr($filedata, 1, 6) == 'theora') {
$info['video']['dataformat'] = 'theora1';
$this->error('Ogg Theora (v1) not correctly handled in this version of getID3 ['.$this->getid3->version().']');
//break;
} elseif (substr($filedata, 1, 6) == 'vorbis') {
$this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo);
} else {
$this->error('unexpected');
//break;
}
//} while ($oggpageinfo['page_seqno'] == 0);
} while (($oggpageinfo['page_seqno'] == 0) && (substr($filedata, 0, 8) != "fisbone\x00"));
$this->fseek($oggpageinfo['page_start_offset']);
$this->error('Ogg Skeleton not correctly handled in this version of getID3 ['.$this->getid3->version().']');
//return false;
} elseif (substr($filedata, 0, 5) == "\x7F".'FLAC') {
// https://xiph.org/flac/ogg_mapping.html
$info['audio']['dataformat'] = 'flac';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = true;
$info['ogg']['flac']['header']['version_major'] = ord(substr($filedata, 5, 1));
$info['ogg']['flac']['header']['version_minor'] = ord(substr($filedata, 6, 1));
$info['ogg']['flac']['header']['header_packets'] = getid3_lib::BigEndian2Int(substr($filedata, 7, 2)) + 1; // "A two-byte, big-endian binary number signifying the number of header (non-audio) packets, not including this one. This number may be zero (0x0000) to signify 'unknown' but be aware that some decoders may not be able to handle such streams."
$info['ogg']['flac']['header']['magic'] = substr($filedata, 9, 4);
if ($info['ogg']['flac']['header']['magic'] != 'fLaC') {
$this->error('Ogg-FLAC expecting "fLaC", found "'.$info['ogg']['flac']['header']['magic'].'" ('.trim(getid3_lib::PrintHexBytes($info['ogg']['flac']['header']['magic'])).')');
return false;
}
$info['ogg']['flac']['header']['STREAMINFO_bytes'] = getid3_lib::BigEndian2Int(substr($filedata, 13, 4));
$info['flac']['STREAMINFO'] = getid3_flac::parseSTREAMINFOdata(substr($filedata, 17, 34));
if (!empty($info['flac']['STREAMINFO']['sample_rate'])) {
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['sample_rate'] = $info['flac']['STREAMINFO']['sample_rate'];
$info['audio']['channels'] = $info['flac']['STREAMINFO']['channels'];
$info['audio']['bits_per_sample'] = $info['flac']['STREAMINFO']['bits_per_sample'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['flac']['STREAMINFO']['samples_stream'], $info['flac']['STREAMINFO']['sample_rate']);
}
} else {
$this->error('Expecting one of "vorbis", "Speex", "OpusHead", "vorbis", "fishhead", "theora", "fLaC" identifier strings, found "'.substr($filedata, 0, 8).'"');
unset($info['ogg']);
unset($info['mime_type']);
return false;
}
// Page 2 - Comment Header
$oggpageinfo = $this->ParseOggPageHeader();
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
switch ($info['audio']['dataformat']) {
case 'vorbis':
$filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, 0, 1));
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, 1, 6); // hard-coded to 'vorbis'
$this->ParseVorbisComments();
break;
case 'flac':
$flac = new getid3_flac($this->getid3);
if (!$flac->parseMETAdata()) {
$this->error('Failed to parse FLAC headers');
return false;
}
unset($flac);
break;
case 'speex':
$this->fseek($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length'], SEEK_CUR);
$this->ParseVorbisComments();
break;
case 'opus':
$filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, 0, 8); // hard-coded to 'OpusTags'
if(substr($filedata, 0, 8) != 'OpusTags') {
$this->error('Expected "OpusTags" as header but got "'.substr($filedata, 0, 8).'"');
return false;
}
$this->ParseVorbisComments();
break;
}
// Last Page - Number of Samples
if (!getid3_lib::intValueSupported($info['avdataend'])) {
$this->warning('Unable to parse Ogg end chunk file (PHP does not support file operations beyond '.round(PHP_INT_MAX / 1073741824).'GB)');
} else {
$this->fseek(max($info['avdataend'] - $this->getid3->fread_buffer_size(), 0));
$LastChunkOfOgg = strrev($this->fread($this->getid3->fread_buffer_size()));
if ($LastOggSpostion = strpos($LastChunkOfOgg, 'SggO')) {
if (substr($LastChunkOfOgg, 13, 8) === "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF") {
// https://github.com/JamesHeinrich/getID3/issues/450
// "Sometimes, Opus encoders (WhatsApp voice registrations and others) add a special last header with a granule duration of 0xFFFFFFFFFFFFFF.
// This value indicates "this is the end," but must be ignored; otherwise, it makes calculations wrong."
$LastOggSpostion = strpos($LastChunkOfOgg, 'SggO', $LastOggSpostion + 1);
}
$this->fseek($info['avdataend'] - ($LastOggSpostion + strlen('SggO')));
$info['avdataend'] = $this->ftell();
$info['ogg']['pageheader']['eos'] = $this->ParseOggPageHeader();
$info['ogg']['samples'] = $info['ogg']['pageheader']['eos']['pcm_abs_position'];
if ($info['ogg']['samples'] == 0) {
$this->error('Corrupt Ogg file: eos.number of samples == zero');
return false;
}
if (!empty($info['audio']['sample_rate'])) {
$info['ogg']['bitrate_average'] = (($info['avdataend'] - $info['avdataoffset']) * 8) * $info['audio']['sample_rate'] / $info['ogg']['samples'];
}
}
}
if (!empty($info['ogg']['bitrate_average'])) {
$info['audio']['bitrate'] = $info['ogg']['bitrate_average'];
} elseif (!empty($info['ogg']['bitrate_nominal'])) {
$info['audio']['bitrate'] = $info['ogg']['bitrate_nominal'];
} elseif (!empty($info['ogg']['bitrate_min']) && !empty($info['ogg']['bitrate_max'])) {
$info['audio']['bitrate'] = ($info['ogg']['bitrate_min'] + $info['ogg']['bitrate_max']) / 2;
}
if (isset($info['audio']['bitrate']) && !isset($info['playtime_seconds'])) {
if ($info['audio']['bitrate'] == 0) {
$this->error('Corrupt Ogg file: bitrate_audio == zero');
return false;
}
$info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $info['audio']['bitrate']);
}
if (isset($info['ogg']['vendor'])) {
$info['audio']['encoder'] = preg_replace('/^Encoded with /', '', $info['ogg']['vendor']);
// Vorbis only
if ($info['audio']['dataformat'] == 'vorbis') {
// Vorbis 1.0 starts with Xiph.Org
if (preg_match('/^Xiph.Org/', $info['audio']['encoder'])) {
if ($info['audio']['bitrate_mode'] == 'abr') {
// Set -b 128 on abr files
$info['audio']['encoder_options'] = '-b '.round($info['ogg']['bitrate_nominal'] / 1000);
} elseif (($info['audio']['bitrate_mode'] == 'vbr') && ($info['audio']['channels'] == 2) && ($info['audio']['sample_rate'] >= 44100) && ($info['audio']['sample_rate'] <= 48000)) {
// Set -q N on vbr files
$info['audio']['encoder_options'] = '-q '.$this->get_quality_from_nominal_bitrate($info['ogg']['bitrate_nominal']);
}
}
if (empty($info['audio']['encoder_options']) && !empty($info['ogg']['bitrate_nominal'])) {
$info['audio']['encoder_options'] = 'Nominal bitrate: '.intval(round($info['ogg']['bitrate_nominal'] / 1000)).'kbps';
}
}
}
return true;
}
/**
* @param string $filedata
* @param int $filedataoffset
* @param array $oggpageinfo
*
* @return bool
*/
public function ParseVorbisPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) {
$info = &$this->getid3->info;
$info['audio']['dataformat'] = 'vorbis';
$info['audio']['lossless'] = false;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, $filedataoffset, 6); // hard-coded to 'vorbis'
$filedataoffset += 6;
$info['ogg']['bitstreamversion'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['numberofchannels'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$info['audio']['channels'] = $info['ogg']['numberofchannels'];
$info['ogg']['samplerate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
if ($info['ogg']['samplerate'] == 0) {
$this->error('Corrupt Ogg file: sample rate == zero');
return false;
}
$info['audio']['sample_rate'] = $info['ogg']['samplerate'];
$info['ogg']['samples'] = 0; // filled in later
$info['ogg']['bitrate_average'] = 0; // filled in later
$info['ogg']['bitrate_max'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['bitrate_nominal'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['bitrate_min'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$info['ogg']['blocksize_small'] = pow(2, getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0x0F);
$info['ogg']['blocksize_large'] = pow(2, (getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0xF0) >> 4);
$info['ogg']['stop_bit'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); // must be 1, marks end of packet
$info['audio']['bitrate_mode'] = 'vbr'; // overridden if actually abr
if ($info['ogg']['bitrate_max'] == 0xFFFFFFFF) {
unset($info['ogg']['bitrate_max']);
$info['audio']['bitrate_mode'] = 'abr';
}
if ($info['ogg']['bitrate_nominal'] == 0xFFFFFFFF) {
unset($info['ogg']['bitrate_nominal']);
}
if ($info['ogg']['bitrate_min'] == 0xFFFFFFFF) {
unset($info['ogg']['bitrate_min']);
$info['audio']['bitrate_mode'] = 'abr';
}
return true;
}
/**
* @link http://tools.ietf.org/html/draft-ietf-codec-oggopus-03
*
* @param string $filedata
* @param int $filedataoffset
* @param array $oggpageinfo
*
* @return bool
*/
public function ParseOpusPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) {
$info = &$this->getid3->info;
$info['audio']['dataformat'] = 'opus';
$info['mime_type'] = 'audio/ogg; codecs=opus';
/** @todo find a usable way to detect abr (vbr that is padded to be abr) */
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = false;
$info['ogg']['pageheader']['opus']['opus_magic'] = substr($filedata, $filedataoffset, 8); // hard-coded to 'OpusHead'
$filedataoffset += 8;
$info['ogg']['pageheader']['opus']['version'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
if ($info['ogg']['pageheader']['opus']['version'] < 1 || $info['ogg']['pageheader']['opus']['version'] > 15) {
$this->error('Unknown opus version number (only accepting 1-15)');
return false;
}
$info['ogg']['pageheader']['opus']['out_channel_count'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
if ($info['ogg']['pageheader']['opus']['out_channel_count'] == 0) {
$this->error('Invalid channel count in opus header (must not be zero)');
return false;
}
$info['ogg']['pageheader']['opus']['pre_skip'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
$filedataoffset += 2;
$info['ogg']['pageheader']['opus']['input_sample_rate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
//$info['ogg']['pageheader']['opus']['output_gain'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2));
//$filedataoffset += 2;
//$info['ogg']['pageheader']['opus']['channel_mapping_family'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
//$filedataoffset += 1;
$info['opus']['opus_version'] = $info['ogg']['pageheader']['opus']['version'];
$info['opus']['sample_rate_input'] = $info['ogg']['pageheader']['opus']['input_sample_rate'];
$info['opus']['out_channel_count'] = $info['ogg']['pageheader']['opus']['out_channel_count'];
$info['audio']['channels'] = $info['opus']['out_channel_count'];
$info['audio']['sample_rate_input'] = $info['opus']['sample_rate_input'];
$info['audio']['sample_rate'] = 48000; // "All Opus audio is coded at 48 kHz, and should also be decoded at 48 kHz for playback (unless the target hardware does not support this sampling rate). However, this field may be used to resample the audio back to the original sampling rate, for example, when saving the output to a file." -- https://mf4.xiph.org/jenkins/view/opus/job/opusfile-unix/ws/doc/html/structOpusHead.html
return true;
}
/**
* @return array|false
*/
public function ParseOggPageHeader() {
// http://xiph.org/ogg/vorbis/doc/framing.html
$oggheader = array();
$oggheader['page_start_offset'] = $this->ftell(); // where we started from in the file
$filedata = $this->fread($this->getid3->fread_buffer_size());
$filedataoffset = 0;
while (substr($filedata, $filedataoffset++, 4) != 'OggS') {
if (($this->ftell() - $oggheader['page_start_offset']) >= $this->getid3->fread_buffer_size()) {
// should be found before here
return false;
}
if (($filedataoffset + 28) > strlen($filedata)) {
if ($this->feof() || (($filedata .= $this->fread($this->getid3->fread_buffer_size())) === '')) {
// get some more data, unless eof, in which case fail
return false;
}
}
}
$filedataoffset += strlen('OggS') - 1; // page, delimited by 'OggS'
$oggheader['stream_structver'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$oggheader['flags_raw'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$oggheader['flags']['fresh'] = (bool) ($oggheader['flags_raw'] & 0x01); // fresh packet
$oggheader['flags']['bos'] = (bool) ($oggheader['flags_raw'] & 0x02); // first page of logical bitstream (bos)
$oggheader['flags']['eos'] = (bool) ($oggheader['flags_raw'] & 0x04); // last page of logical bitstream (eos)
$oggheader['pcm_abs_position'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
$filedataoffset += 8;
$oggheader['stream_serialno'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$oggheader['page_seqno'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$oggheader['page_checksum'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
$filedataoffset += 4;
$oggheader['page_segments'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$oggheader['page_length'] = 0;
for ($i = 0; $i < $oggheader['page_segments']; $i++) {
$oggheader['segment_table'][$i] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
$filedataoffset += 1;
$oggheader['page_length'] += $oggheader['segment_table'][$i];
}
$oggheader['header_end_offset'] = $oggheader['page_start_offset'] + $filedataoffset;
$oggheader['page_end_offset'] = $oggheader['header_end_offset'] + $oggheader['page_length'];
$this->fseek($oggheader['header_end_offset']);
return $oggheader;
}
/**
* @link http://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-810005
*
* @return bool
*/
public function ParseVorbisComments() {
$info = &$this->getid3->info;
$OriginalOffset = $this->ftell();
$commentdata = null;
$commentdataoffset = 0;
$VorbisCommentPage = 1;
$CommentStartOffset = 0;
switch ($info['audio']['dataformat']) {
case 'vorbis':
case 'speex':
case 'opus':
$CommentStartOffset = $info['ogg']['pageheader'][$VorbisCommentPage]['page_start_offset']; // Second Ogg page, after header block
$this->fseek($CommentStartOffset);
$commentdataoffset = 27 + $info['ogg']['pageheader'][$VorbisCommentPage]['page_segments'];
$commentdata = $this->fread(self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1) + $commentdataoffset);
if ($info['audio']['dataformat'] == 'vorbis') {
$commentdataoffset += (strlen('vorbis') + 1);
}
else if ($info['audio']['dataformat'] == 'opus') {
$commentdataoffset += strlen('OpusTags');
}
break;
case 'flac':
$CommentStartOffset = $info['flac']['VORBIS_COMMENT']['raw']['offset'] + 4;
$this->fseek($CommentStartOffset);
$commentdata = $this->fread($info['flac']['VORBIS_COMMENT']['raw']['block_length']);
break;
default:
return false;
}
$VendorSize = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
$commentdataoffset += 4;
$info['ogg']['vendor'] = substr($commentdata, $commentdataoffset, $VendorSize);
$commentdataoffset += $VendorSize;
$CommentsCount = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
$commentdataoffset += 4;
$info['avdataoffset'] = $CommentStartOffset + $commentdataoffset;
$basicfields = array('TITLE', 'ARTIST', 'ALBUM', 'TRACKNUMBER', 'GENRE', 'DATE', 'DESCRIPTION', 'COMMENT');
$ThisFileInfo_ogg_comments_raw = &$info['ogg']['comments_raw'];
for ($i = 0; $i < $CommentsCount; $i++) {
if ($i >= 10000) {
// https://github.com/owncloud/music/issues/212#issuecomment-43082336
$this->warning('Unexpectedly large number ('.$CommentsCount.') of Ogg comments - breaking after reading '.$i.' comments');
break;
}
$ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] = $CommentStartOffset + $commentdataoffset;
if ($this->ftell() < ($ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + 4)) {
if ($oggpageinfo = $this->ParseOggPageHeader()) {
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
$VorbisCommentPage++;
// First, save what we haven't read yet
$AsYetUnusedData = substr($commentdata, $commentdataoffset);
// Then take that data off the end
$commentdata = substr($commentdata, 0, $commentdataoffset);
// Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct
$commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
$commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
// Finally, stick the unused data back on the end
$commentdata .= $AsYetUnusedData;
//$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
$commentdata .= $this->fread($this->OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1));
}
}
$ThisFileInfo_ogg_comments_raw[$i]['size'] = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
// replace avdataoffset with position just after the last vorbiscomment
$info['avdataoffset'] = $ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + $ThisFileInfo_ogg_comments_raw[$i]['size'] + 4;
$commentdataoffset += 4;
while ((strlen($commentdata) - $commentdataoffset) < $ThisFileInfo_ogg_comments_raw[$i]['size']) {
if (($ThisFileInfo_ogg_comments_raw[$i]['size'] > $info['avdataend']) || ($ThisFileInfo_ogg_comments_raw[$i]['size'] < 0)) {
$this->warning('Invalid Ogg comment size (comment #'.$i.', claims to be '.number_format($ThisFileInfo_ogg_comments_raw[$i]['size']).' bytes) - aborting reading comments');
break 2;
}
$VorbisCommentPage++;
if ($oggpageinfo = $this->ParseOggPageHeader()) {
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
// First, save what we haven't read yet
$AsYetUnusedData = substr($commentdata, $commentdataoffset);
// Then take that data off the end
$commentdata = substr($commentdata, 0, $commentdataoffset);
// Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct
$commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
$commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
// Finally, stick the unused data back on the end
$commentdata .= $AsYetUnusedData;
//$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
if (!isset($info['ogg']['pageheader'][$VorbisCommentPage])) {
$this->warning('undefined Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell());
break;
}
$readlength = self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1);
if ($readlength <= 0) {
$this->warning('invalid length Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell());
break;
}
$commentdata .= $this->fread($readlength);
//$filebaseoffset += $oggpageinfo['header_end_offset'] - $oggpageinfo['page_start_offset'];
} else {
$this->warning('failed to ParseOggPageHeader() at offset '.$this->ftell());
break;
}
}
$ThisFileInfo_ogg_comments_raw[$i]['offset'] = $commentdataoffset;
$commentstring = substr($commentdata, $commentdataoffset, $ThisFileInfo_ogg_comments_raw[$i]['size']);
$commentdataoffset += $ThisFileInfo_ogg_comments_raw[$i]['size'];
if (!$commentstring) {
// no comment?
$this->warning('Blank Ogg comment ['.$i.']');
} elseif (strstr($commentstring, '=')) {
$commentexploded = explode('=', $commentstring, 2);
$ThisFileInfo_ogg_comments_raw[$i]['key'] = strtoupper($commentexploded[0]);
$ThisFileInfo_ogg_comments_raw[$i]['value'] = (isset($commentexploded[1]) ? $commentexploded[1] : '');
if ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'METADATA_BLOCK_PICTURE') {
// http://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE
// The unencoded format is that of the FLAC picture block. The fields are stored in big endian order as in FLAC, picture data is stored according to the relevant standard.
// http://flac.sourceforge.net/format.html#metadata_block_picture
$flac = new getid3_flac($this->getid3);
$flac->setStringMode(base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']));
$flac->parsePICTURE();
$info['ogg']['comments']['picture'][] = $flac->getid3->info['flac']['PICTURE'][0];
unset($flac);
} elseif ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'COVERART') {
$data = base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']);
$this->notice('Found deprecated COVERART tag, it should be replaced in honor of METADATA_BLOCK_PICTURE structure');
/** @todo use 'coverartmime' where available */
$imageinfo = getid3_lib::GetDataImageSize($data);
if ($imageinfo === false || !isset($imageinfo['mime'])) {
$this->warning('COVERART vorbiscomment tag contains invalid image');
continue;
}
$ogg = new self($this->getid3);
$ogg->setStringMode($data);
$info['ogg']['comments']['picture'][] = array(
'image_mime' => $imageinfo['mime'],
'datalength' => strlen($data),
'picturetype' => 'cover art',
'image_height' => $imageinfo['height'],
'image_width' => $imageinfo['width'],
'data' => $ogg->saveAttachment('coverart', 0, strlen($data), $imageinfo['mime']),
);
unset($ogg);
} else {
$info['ogg']['comments'][strtolower($ThisFileInfo_ogg_comments_raw[$i]['key'])][] = $ThisFileInfo_ogg_comments_raw[$i]['value'];
}
} else {
$this->warning('[known problem with CDex >= v1.40, < v1.50b7] Invalid Ogg comment name/value pair ['.$i.']: '.$commentstring);
}
unset($ThisFileInfo_ogg_comments_raw[$i]);
}
unset($ThisFileInfo_ogg_comments_raw);
// Replay Gain Adjustment
// http://privatewww.essex.ac.uk/~djmrob/replaygain/
if (isset($info['ogg']['comments']) && is_array($info['ogg']['comments'])) {
foreach ($info['ogg']['comments'] as $index => $commentvalue) {
switch ($index) {
case 'rg_audiophile':
case 'replaygain_album_gain':
$info['replay_gain']['album']['adjustment'] = (double) $commentvalue[0];
unset($info['ogg']['comments'][$index]);
break;
case 'rg_radio':
case 'replaygain_track_gain':
$info['replay_gain']['track']['adjustment'] = (double) $commentvalue[0];
unset($info['ogg']['comments'][$index]);
break;
case 'replaygain_album_peak':
$info['replay_gain']['album']['peak'] = (double) $commentvalue[0];
unset($info['ogg']['comments'][$index]);
break;
case 'rg_peak':
case 'replaygain_track_peak':
$info['replay_gain']['track']['peak'] = (double) $commentvalue[0];
unset($info['ogg']['comments'][$index]);
break;
case 'replaygain_reference_loudness':
$info['replay_gain']['reference_volume'] = (double) $commentvalue[0];
unset($info['ogg']['comments'][$index]);
break;
default:
// do nothing
break;
}
}
}
$this->fseek($OriginalOffset);
return true;
}
/**
* @param int $mode
*
* @return string|null
*/
public static function SpeexBandModeLookup($mode) {
static $SpeexBandModeLookup = array();
if (empty($SpeexBandModeLookup)) {
$SpeexBandModeLookup[0] = 'narrow';
$SpeexBandModeLookup[1] = 'wide';
$SpeexBandModeLookup[2] = 'ultra-wide';
}
return (isset($SpeexBandModeLookup[$mode]) ? $SpeexBandModeLookup[$mode] : null);
}
/**
* @param array $OggInfoArray
* @param int $SegmentNumber
*
* @return int
*/
public static function OggPageSegmentLength($OggInfoArray, $SegmentNumber=1) {
$segmentlength = 0;
for ($i = 0; $i < $SegmentNumber; $i++) {
$segmentlength = 0;
foreach ($OggInfoArray['segment_table'] as $key => $value) {
$segmentlength += $value;
if ($value < 255) {
break;
}
}
}
return $segmentlength;
}
/**
* @param int $nominal_bitrate
*
* @return float
*/
public static function get_quality_from_nominal_bitrate($nominal_bitrate) {
// decrease precision
$nominal_bitrate = $nominal_bitrate / 1000;
if ($nominal_bitrate < 128) {
// q-1 to q4
$qval = ($nominal_bitrate - 64) / 16;
} elseif ($nominal_bitrate < 256) {
// q4 to q8
$qval = $nominal_bitrate / 32;
} elseif ($nominal_bitrate < 320) {
// q8 to q9
$qval = ($nominal_bitrate + 256) / 64;
} else {
// q9 to q10
$qval = ($nominal_bitrate + 1300) / 180;
}
//return $qval; // 5.031324
//return intval($qval); // 5
return round($qval, 1); // 5 or 4.9
}
/**
* @param int $colorspace_id
*
* @return string|null
*/
public static function TheoraColorSpace($colorspace_id) {
// http://www.theora.org/doc/Theora.pdf (table 6.3)
static $TheoraColorSpaceLookup = array();
if (empty($TheoraColorSpaceLookup)) {
$TheoraColorSpaceLookup[0] = 'Undefined';
$TheoraColorSpaceLookup[1] = 'Rec. 470M';
$TheoraColorSpaceLookup[2] = 'Rec. 470BG';
$TheoraColorSpaceLookup[3] = 'Reserved';
}
return (isset($TheoraColorSpaceLookup[$colorspace_id]) ? $TheoraColorSpaceLookup[$colorspace_id] : null);
}
/**
* @param int $pixelformat_id
*
* @return string|null
*/
public static function TheoraPixelFormat($pixelformat_id) {
// http://www.theora.org/doc/Theora.pdf (table 6.4)
static $TheoraPixelFormatLookup = array();
if (empty($TheoraPixelFormatLookup)) {
$TheoraPixelFormatLookup[0] = '4:2:0';
$TheoraPixelFormatLookup[1] = 'Reserved';
$TheoraPixelFormatLookup[2] = '4:2:2';
$TheoraPixelFormatLookup[3] = '4:4:4';
}
return (isset($TheoraPixelFormatLookup[$pixelformat_id]) ? $TheoraPixelFormatLookup[$pixelformat_id] : null);
}
}

View File

@ -0,0 +1,470 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.optimfrog.php //
// module for analyzing OptimFROG audio files //
// dependencies: module.audio.riff.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
class getid3_optimfrog extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'ofr';
$info['audio']['dataformat'] = 'ofr';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = true;
$this->fseek($info['avdataoffset']);
$OFRheader = $this->fread(8);
if (substr($OFRheader, 0, 5) == '*RIFF') {
return $this->ParseOptimFROGheader42();
} elseif (substr($OFRheader, 0, 3) == 'OFR') {
return $this->ParseOptimFROGheader45();
}
$this->error('Expecting "*RIFF" or "OFR " at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($OFRheader).'"');
unset($info['fileformat']);
return false;
}
/**
* @return bool
*/
public function ParseOptimFROGheader42() {
// for fileformat of v4.21 and older
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$OptimFROGheaderData = $this->fread(45);
$info['avdataoffset'] = 45;
$OptimFROGencoderVersion_raw = getid3_lib::LittleEndian2Int(substr($OptimFROGheaderData, 0, 1));
$OptimFROGencoderVersion_major = floor($OptimFROGencoderVersion_raw / 10);
$OptimFROGencoderVersion_minor = $OptimFROGencoderVersion_raw - ($OptimFROGencoderVersion_major * 10);
$RIFFdata = substr($OptimFROGheaderData, 1, 44);
$OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8;
$OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
$info['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
$this->fseek($info['avdataend']);
$RIFFdata .= $this->fread($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
}
// move the data chunk after all other chunks (if any)
// so that the RIFF parser doesn't see EOF when trying
// to skip over the data chunk
$RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
$getid3_temp->info['avdataend'] = $info['avdataend'];
$getid3_riff = new getid3_riff($getid3_temp);
$getid3_riff->ParseRIFFdata($RIFFdata);
$info['riff'] = $getid3_temp->info['riff'];
$info['audio']['encoder'] = 'OptimFROG '.$OptimFROGencoderVersion_major.'.'.$OptimFROGencoderVersion_minor;
$info['audio']['channels'] = $info['riff']['audio'][0]['channels'];
$info['audio']['sample_rate'] = $info['riff']['audio'][0]['sample_rate'];
$info['audio']['bits_per_sample'] = $info['riff']['audio'][0]['bits_per_sample'];
$info['playtime_seconds'] = $OrignalRIFFdataSize / ($info['audio']['channels'] * $info['audio']['sample_rate'] * ($info['audio']['bits_per_sample'] / 8));
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
unset($getid3_riff, $getid3_temp, $RIFFdata);
return true;
}
/**
* @return bool
*/
public function ParseOptimFROGheader45() {
// for fileformat of v4.50a and higher
$info = &$this->getid3->info;
$RIFFdata = '';
$this->fseek($info['avdataoffset']);
while (!feof($this->getid3->fp) && ($this->ftell() < $info['avdataend'])) {
$BlockOffset = $this->ftell();
$BlockData = $this->fread(8);
$offset = 8;
$BlockName = substr($BlockData, 0, 4);
$BlockSize = getid3_lib::LittleEndian2Int(substr($BlockData, 4, 4));
if ($BlockName == 'OFRX') {
$BlockName = 'OFR ';
}
if (!isset($info['ofr'][$BlockName])) {
$info['ofr'][$BlockName] = array();
}
$thisfile_ofr_thisblock = &$info['ofr'][$BlockName];
switch ($BlockName) {
case 'OFR ':
// shortcut
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
$info['audio']['encoder'] = 'OptimFROG 4.50 alpha';
switch ($BlockSize) {
case 12:
case 15:
// good
break;
default:
$this->warning('"'.$BlockName.'" contains more data than expected (expected 12 or 15 bytes, found '.$BlockSize.' bytes)');
break;
}
$BlockData .= $this->fread($BlockSize);
$thisfile_ofr_thisblock['total_samples'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 6));
$offset += 6;
$thisfile_ofr_thisblock['raw']['sample_type'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$thisfile_ofr_thisblock['sample_type'] = $this->OptimFROGsampleTypeLookup($thisfile_ofr_thisblock['raw']['sample_type']);
$offset += 1;
$thisfile_ofr_thisblock['channel_config'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$thisfile_ofr_thisblock['channels'] = $thisfile_ofr_thisblock['channel_config'];
$offset += 1;
$thisfile_ofr_thisblock['sample_rate'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
$offset += 4;
if ($BlockSize > 12) {
// OFR 4.504b or higher
$thisfile_ofr_thisblock['channels'] = $this->OptimFROGchannelConfigNumChannelsLookup($thisfile_ofr_thisblock['channel_config']);
$thisfile_ofr_thisblock['raw']['encoder_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
$thisfile_ofr_thisblock['encoder'] = $this->OptimFROGencoderNameLookup($thisfile_ofr_thisblock['raw']['encoder_id']);
$offset += 2;
$thisfile_ofr_thisblock['raw']['compression'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$thisfile_ofr_thisblock['compression'] = $this->OptimFROGcompressionLookup($thisfile_ofr_thisblock['raw']['compression']);
$thisfile_ofr_thisblock['speedup'] = $this->OptimFROGspeedupLookup($thisfile_ofr_thisblock['raw']['compression']);
$offset += 1;
$info['audio']['encoder'] = 'OptimFROG '.$thisfile_ofr_thisblock['encoder'];
$info['audio']['encoder_options'] = '--mode '.$thisfile_ofr_thisblock['compression'];
if ((($thisfile_ofr_thisblock['raw']['encoder_id'] & 0xF0) >> 4) == 7) { // v4.507
if (strtolower(getid3_lib::fileextension($info['filename'])) == 'ofs') {
// OptimFROG DualStream format is lossy, but as of v4.507 there is no way to tell the difference
// between lossless and lossy other than the file extension.
$info['audio']['dataformat'] = 'ofs';
$info['audio']['lossless'] = true;
}
}
}
$info['audio']['channels'] = $thisfile_ofr_thisblock['channels'];
$info['audio']['sample_rate'] = $thisfile_ofr_thisblock['sample_rate'];
$info['audio']['bits_per_sample'] = $this->OptimFROGbitsPerSampleTypeLookup($thisfile_ofr_thisblock['raw']['sample_type']);
break;
case 'COMP':
// unlike other block types, there CAN be multiple COMP blocks
$COMPdata = array();
$COMPdata['offset'] = $BlockOffset;
$COMPdata['size'] = $BlockSize;
if ($info['avdataoffset'] == 0) {
$info['avdataoffset'] = $BlockOffset;
}
// Only interested in first 14 bytes (only first 12 needed for v4.50 alpha), not actual audio data
$BlockData .= $this->fread(14);
$this->fseek($BlockSize - 14, SEEK_CUR);
$COMPdata['crc_32'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
$offset += 4;
$COMPdata['sample_count'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
$offset += 4;
$COMPdata['raw']['sample_type'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$COMPdata['sample_type'] = $this->OptimFROGsampleTypeLookup($COMPdata['raw']['sample_type']);
$offset += 1;
$COMPdata['raw']['channel_configuration'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
$COMPdata['channel_configuration'] = $this->OptimFROGchannelConfigurationLookup($COMPdata['raw']['channel_configuration']);
$offset += 1;
$COMPdata['raw']['algorithm_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
//$COMPdata['algorithm'] = OptimFROGalgorithmNameLookup($COMPdata['raw']['algorithm_id']);
$offset += 2;
if ($info['ofr']['OFR ']['size'] > 12) {
// OFR 4.504b or higher
$COMPdata['raw']['encoder_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
$COMPdata['encoder'] = $this->OptimFROGencoderNameLookup($COMPdata['raw']['encoder_id']);
$offset += 2;
}
if ($COMPdata['crc_32'] == 0x454E4F4E) {
// ASCII value of 'NONE' - placeholder value in v4.50a
$COMPdata['crc_32'] = false;
}
$thisfile_ofr_thisblock[] = $COMPdata;
break;
case 'HEAD':
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
$RIFFdata .= $this->fread($BlockSize);
break;
case 'TAIL':
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
if ($BlockSize > 0) {
$RIFFdata .= $this->fread($BlockSize);
}
break;
case 'RECV':
// block contains no useful meta data - simply note and skip
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
$this->fseek($BlockSize, SEEK_CUR);
break;
case 'APET':
// APEtag v2
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
$this->warning('APEtag processing inside OptimFROG not supported in this version ('.$this->getid3->version().') of getID3()');
$this->fseek($BlockSize, SEEK_CUR);
break;
case 'MD5 ':
// APEtag v2
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
if ($BlockSize == 16) {
$thisfile_ofr_thisblock['md5_binary'] = $this->fread($BlockSize);
$thisfile_ofr_thisblock['md5_string'] = getid3_lib::PrintHexBytes($thisfile_ofr_thisblock['md5_binary'], true, false, false);
$info['md5_data_source'] = $thisfile_ofr_thisblock['md5_string'];
} else {
$this->warning('Expecting block size of 16 in "MD5 " chunk, found '.$BlockSize.' instead');
$this->fseek($BlockSize, SEEK_CUR);
}
break;
default:
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
$thisfile_ofr_thisblock['size'] = $BlockSize;
$this->warning('Unhandled OptimFROG block type "'.$BlockName.'" at offset '.$thisfile_ofr_thisblock['offset']);
$this->fseek($BlockSize, SEEK_CUR);
break;
}
}
if (isset($info['ofr']['TAIL']['offset'])) {
$info['avdataend'] = $info['ofr']['TAIL']['offset'];
}
$info['playtime_seconds'] = (float) $info['ofr']['OFR ']['total_samples'] / ($info['audio']['channels'] * $info['audio']['sample_rate']);
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
// move the data chunk after all other chunks (if any)
// so that the RIFF parser doesn't see EOF when trying
// to skip over the data chunk
$RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
$getid3_temp->info['avdataend'] = $info['avdataend'];
$getid3_riff = new getid3_riff($getid3_temp);
$getid3_riff->ParseRIFFdata($RIFFdata);
$info['riff'] = $getid3_temp->info['riff'];
unset($getid3_riff, $getid3_temp, $RIFFdata);
return true;
}
/**
* @param int $SampleType
*
* @return string|false
*/
public static function OptimFROGsampleTypeLookup($SampleType) {
static $OptimFROGsampleTypeLookup = array(
0 => 'unsigned int (8-bit)',
1 => 'signed int (8-bit)',
2 => 'unsigned int (16-bit)',
3 => 'signed int (16-bit)',
4 => 'unsigned int (24-bit)',
5 => 'signed int (24-bit)',
6 => 'unsigned int (32-bit)',
7 => 'signed int (32-bit)',
8 => 'float 0.24 (32-bit)',
9 => 'float 16.8 (32-bit)',
10 => 'float 24.0 (32-bit)'
);
return (isset($OptimFROGsampleTypeLookup[$SampleType]) ? $OptimFROGsampleTypeLookup[$SampleType] : false);
}
/**
* @param int $SampleType
*
* @return int|false
*/
public static function OptimFROGbitsPerSampleTypeLookup($SampleType) {
static $OptimFROGbitsPerSampleTypeLookup = array(
0 => 8,
1 => 8,
2 => 16,
3 => 16,
4 => 24,
5 => 24,
6 => 32,
7 => 32,
8 => 32,
9 => 32,
10 => 32
);
return (isset($OptimFROGbitsPerSampleTypeLookup[$SampleType]) ? $OptimFROGbitsPerSampleTypeLookup[$SampleType] : false);
}
/**
* @param int $ChannelConfiguration
*
* @return string|false
*/
public static function OptimFROGchannelConfigurationLookup($ChannelConfiguration) {
static $OptimFROGchannelConfigurationLookup = array(
0 => 'mono',
1 => 'stereo'
);
return (isset($OptimFROGchannelConfigurationLookup[$ChannelConfiguration]) ? $OptimFROGchannelConfigurationLookup[$ChannelConfiguration] : false);
}
/**
* @param int $ChannelConfiguration
*
* @return int|false
*/
public static function OptimFROGchannelConfigNumChannelsLookup($ChannelConfiguration) {
static $OptimFROGchannelConfigNumChannelsLookup = array(
0 => 1,
1 => 2
);
return (isset($OptimFROGchannelConfigNumChannelsLookup[$ChannelConfiguration]) ? $OptimFROGchannelConfigNumChannelsLookup[$ChannelConfiguration] : false);
}
// static function OptimFROGalgorithmNameLookup($AlgorithID) {
// static $OptimFROGalgorithmNameLookup = array();
// return (isset($OptimFROGalgorithmNameLookup[$AlgorithID]) ? $OptimFROGalgorithmNameLookup[$AlgorithID] : false);
// }
/**
* @param int $EncoderID
*
* @return string
*/
public static function OptimFROGencoderNameLookup($EncoderID) {
// version = (encoderID >> 4) + 4500
// system = encoderID & 0xF
$EncoderVersion = number_format(((($EncoderID & 0xF0) >> 4) + 4500) / 1000, 3);
$EncoderSystemID = ($EncoderID & 0x0F);
static $OptimFROGencoderSystemLookup = array(
0x00 => 'Windows console',
0x01 => 'Linux console',
0x0F => 'unknown'
);
return $EncoderVersion.' ('.(isset($OptimFROGencoderSystemLookup[$EncoderSystemID]) ? $OptimFROGencoderSystemLookup[$EncoderSystemID] : 'undefined encoder type (0x'.dechex($EncoderSystemID).')').')';
}
/**
* @param int $CompressionID
*
* @return string
*/
public static function OptimFROGcompressionLookup($CompressionID) {
// mode = compression >> 3
// speedup = compression & 0x07
$CompressionModeID = ($CompressionID & 0xF8) >> 3;
//$CompressionSpeedupID = ($CompressionID & 0x07);
static $OptimFROGencoderModeLookup = array(
0x00 => 'fast',
0x01 => 'normal',
0x02 => 'high',
0x03 => 'extra', // extranew (some versions)
0x04 => 'best', // bestnew (some versions)
0x05 => 'ultra',
0x06 => 'insane',
0x07 => 'highnew',
0x08 => 'extranew',
0x09 => 'bestnew'
);
return (isset($OptimFROGencoderModeLookup[$CompressionModeID]) ? $OptimFROGencoderModeLookup[$CompressionModeID] : 'undefined mode (0x'.str_pad(dechex($CompressionModeID), 2, '0', STR_PAD_LEFT).')');
}
/**
* @param int $CompressionID
*
* @return string
*/
public static function OptimFROGspeedupLookup($CompressionID) {
// mode = compression >> 3
// speedup = compression & 0x07
//$CompressionModeID = ($CompressionID & 0xF8) >> 3;
$CompressionSpeedupID = ($CompressionID & 0x07);
static $OptimFROGencoderSpeedupLookup = array(
0x00 => '1x',
0x01 => '2x',
0x02 => '4x'
);
return (isset($OptimFROGencoderSpeedupLookup[$CompressionSpeedupID]) ? $OptimFROGencoderSpeedupLookup[$CompressionSpeedupID] : 'undefined mode (0x'.dechex($CompressionSpeedupID));
}
}

View File

@ -0,0 +1,102 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.shorten.php //
// module for analyzing Shorten Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_rkau extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$RKAUHeader = $this->fread(20);
$magic = 'RKA';
if (substr($RKAUHeader, 0, 3) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($RKAUHeader, 0, 3)).'"');
return false;
}
$info['fileformat'] = 'rkau';
$info['audio']['dataformat'] = 'rkau';
$info['audio']['bitrate_mode'] = 'vbr';
$info['rkau']['raw']['version'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 3, 1));
$info['rkau']['version'] = '1.'.str_pad($info['rkau']['raw']['version'] & 0x0F, 2, '0', STR_PAD_LEFT);
if (($info['rkau']['version'] > 1.07) || ($info['rkau']['version'] < 1.06)) {
$this->error('This version of getID3() ['.$this->getid3->version().'] can only parse RKAU files v1.06 and 1.07 (this file is v'.$info['rkau']['version'].')');
unset($info['rkau']);
return false;
}
$info['rkau']['source_bytes'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 4, 4));
$info['rkau']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 8, 4));
$info['rkau']['channels'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 12, 1));
$info['rkau']['bits_per_sample'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 13, 1));
$info['rkau']['raw']['quality'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 14, 1));
$this->RKAUqualityLookup($info['rkau']);
$info['rkau']['raw']['flags'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 15, 1));
$info['rkau']['flags']['joint_stereo'] = !($info['rkau']['raw']['flags'] & 0x01);
$info['rkau']['flags']['streaming'] = (bool) ($info['rkau']['raw']['flags'] & 0x02);
$info['rkau']['flags']['vrq_lossy_mode'] = (bool) ($info['rkau']['raw']['flags'] & 0x04);
if ($info['rkau']['flags']['streaming']) {
$info['avdataoffset'] += 20;
$info['rkau']['compressed_bytes'] = getid3_lib::LittleEndian2Int(substr($RKAUHeader, 16, 4));
} else {
$info['avdataoffset'] += 16;
$info['rkau']['compressed_bytes'] = $info['avdataend'] - $info['avdataoffset'] - 1;
}
// Note: compressed_bytes does not always equal what appears to be the actual number of compressed bytes,
// sometimes it's more, sometimes less. No idea why(?)
$info['audio']['lossless'] = $info['rkau']['lossless'];
$info['audio']['channels'] = $info['rkau']['channels'];
$info['audio']['bits_per_sample'] = $info['rkau']['bits_per_sample'];
$info['audio']['sample_rate'] = $info['rkau']['sample_rate'];
$info['playtime_seconds'] = $info['rkau']['source_bytes'] / ($info['rkau']['sample_rate'] * $info['rkau']['channels'] * ($info['rkau']['bits_per_sample'] / 8));
$info['audio']['bitrate'] = getid3_lib::SafeDiv($info['rkau']['compressed_bytes'] * 8, $info['playtime_seconds']);
return true;
}
/**
* @param array $RKAUdata
*
* @return bool
*/
public function RKAUqualityLookup(&$RKAUdata) {
$level = ($RKAUdata['raw']['quality'] & 0xF0) >> 4;
$quality = $RKAUdata['raw']['quality'] & 0x0F;
$RKAUdata['lossless'] = (($quality == 0) ? true : false);
$RKAUdata['compression_level'] = $level + 1;
if (!$RKAUdata['lossless']) {
$RKAUdata['quality_setting'] = $quality;
}
return true;
}
}

View File

@ -0,0 +1,190 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.shorten.php //
// module for analyzing Shorten Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_shorten extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$ShortenHeader = $this->fread(8);
$magic = 'ajkg';
if (substr($ShortenHeader, 0, 4) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($ShortenHeader, 0, 4)).'"');
return false;
}
$info['fileformat'] = 'shn';
$info['audio']['dataformat'] = 'shn';
$info['audio']['lossless'] = true;
$info['audio']['bitrate_mode'] = 'vbr';
$info['shn']['version'] = getid3_lib::LittleEndian2Int(substr($ShortenHeader, 4, 1));
$this->fseek($info['avdataend'] - 12);
$SeekTableSignatureTest = $this->fread(12);
$info['shn']['seektable']['present'] = substr($SeekTableSignatureTest, 4, 8) == 'SHNAMPSK';
if ($info['shn']['seektable']['present']) {
$info['shn']['seektable']['length'] = getid3_lib::LittleEndian2Int(substr($SeekTableSignatureTest, 0, 4));
$info['shn']['seektable']['offset'] = $info['avdataend'] - $info['shn']['seektable']['length'];
$this->fseek($info['shn']['seektable']['offset']);
$SeekTableMagic = $this->fread(4);
$magic = 'SEEK';
if ($SeekTableMagic != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['shn']['seektable']['offset'].', found "'.getid3_lib::PrintHexBytes($SeekTableMagic).'"');
return false;
} else {
// typedef struct tag_TSeekEntry
// {
// unsigned long SampleNumber;
// unsigned long SHNFileByteOffset;
// unsigned long SHNLastBufferReadPosition;
// unsigned short SHNByteGet;
// unsigned short SHNBufferOffset;
// unsigned short SHNFileBitOffset;
// unsigned long SHNGBuffer;
// unsigned short SHNBitShift;
// long CBuf0[3];
// long CBuf1[3];
// long Offset0[4];
// long Offset1[4];
// }TSeekEntry;
$SeekTableData = $this->fread($info['shn']['seektable']['length'] - 16);
$info['shn']['seektable']['entry_count'] = floor(strlen($SeekTableData) / 80);
//$info['shn']['seektable']['entries'] = array();
//$SeekTableOffset = 0;
//for ($i = 0; $i < $info['shn']['seektable']['entry_count']; $i++) {
// $SeekTableEntry['sample_number'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_file_byte_offset'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_last_buffer_read_position'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_byte_get'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// $SeekTableEntry['shn_buffer_offset'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// $SeekTableEntry['shn_file_bit_offset'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// $SeekTableEntry['shn_gbuffer'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_bit_shift'] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// for ($j = 0; $j < 3; $j++) {
// $SeekTableEntry['cbuf0'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
// for ($j = 0; $j < 3; $j++) {
// $SeekTableEntry['cbuf1'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
// for ($j = 0; $j < 4; $j++) {
// $SeekTableEntry['offset0'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
// for ($j = 0; $j < 4; $j++) {
// $SeekTableEntry['offset1'][$j] = getid3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
//
// $info['shn']['seektable']['entries'][] = $SeekTableEntry;
//}
}
}
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$this->error('PHP running in Safe Mode - backtick operator not available, cannot run shntool to analyze Shorten files');
return false;
}
if (GETID3_OS_ISWINDOWS) {
$RequiredFiles = array('shorten.exe', 'cygwin1.dll', 'head.exe');
foreach ($RequiredFiles as $required_file) {
if (!is_readable(GETID3_HELPERAPPSDIR.$required_file)) {
$this->error(GETID3_HELPERAPPSDIR.$required_file.' does not exist');
return false;
}
}
$commandline = GETID3_HELPERAPPSDIR.'shorten.exe -x "'.$info['filenamepath'].'" - | '.GETID3_HELPERAPPSDIR.'head.exe -c 64';
$commandline = str_replace('/', '\\', $commandline);
} else {
static $shorten_present;
if (!isset($shorten_present)) {
$shorten_present = file_exists('/usr/local/bin/shorten') || `which shorten`;
}
if (!$shorten_present) {
$this->error('shorten binary was not found in path or /usr/local/bin');
return false;
}
$commandline = (file_exists('/usr/local/bin/shorten') ? '/usr/local/bin/' : '' ) . 'shorten -x '.escapeshellarg($info['filenamepath']).' - | head -c 64';
}
$output = `$commandline`;
if (!empty($output) && (substr($output, 12, 4) == 'fmt ')) {
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
$fmt_size = getid3_lib::LittleEndian2Int(substr($output, 16, 4));
$DecodedWAVFORMATEX = getid3_riff::parseWAVEFORMATex(substr($output, 20, $fmt_size));
$info['audio']['channels'] = $DecodedWAVFORMATEX['channels'];
$info['audio']['bits_per_sample'] = $DecodedWAVFORMATEX['bits_per_sample'];
$info['audio']['sample_rate'] = $DecodedWAVFORMATEX['sample_rate'];
if (substr($output, 20 + $fmt_size, 4) == 'data') {
$info['playtime_seconds'] = getid3_lib::SafeDiv(getid3_lib::LittleEndian2Int(substr($output, 20 + 4 + $fmt_size, 4)), $DecodedWAVFORMATEX['raw']['nAvgBytesPerSec']);
} else {
$this->error('shorten failed to decode DATA chunk to expected location, cannot determine playtime');
return false;
}
$info['audio']['bitrate'] = getid3_lib::SafeDiv($info['avdataend'] - $info['avdataoffset'], $info['playtime_seconds']) * 8;
} else {
$this->error('shorten failed to decode file to WAV for parsing');
return false;
}
return true;
}
}

View File

@ -0,0 +1,216 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or https://www.getid3.org //
// also https://github.com/JamesHeinrich/getID3 //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.tak.php //
// module for analyzing Tom's lossless Audio Kompressor //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_tak extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'tak';
$info['audio']['dataformat'] = 'tak';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = true;
$info['tak_audio']['raw'] = array();
$thisfile_takaudio = &$info['tak_audio'];
$thisfile_takaudio_raw = &$thisfile_takaudio['raw'];
$this->fseek($info['avdataoffset']);
$TAKMetaData = $this->fread(4);
$thisfile_takaudio_raw['magic'] = $TAKMetaData;
$magic = 'tBaK';
if ($thisfile_takaudio_raw['magic'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($thisfile_takaudio_raw['magic']).'"');
unset($info['fileformat']);
return false;
}
$offset = 4; //skip magic
$this->fseek($offset);
$TAKMetaData = $this->fread(4); //read Metadata Block Header
$objtype = getid3_lib::BigEndian2Int(substr($TAKMetaData, 0, 1)); //Metadata Block Object Type
$objlength = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 1, 3)); //Metadata Block Object Lenght excluding header
if ($objtype == 1) { //The First Metadata Block Object must be of Type 1 (STREAMINFO)
$offset += 4; //skip to Metadata Block contents
$this->fseek($offset);
$TAKMetaData = $this->fread($objlength); // Get the raw Metadata Block Data
$thisfile_takaudio_raw['STREAMINFO'] = getid3_lib::LittleEndian2Bin(substr($TAKMetaData, 0, $objlength - 3));
$offset += $objlength; // Move to the next Metadata Block Object
$thisfile_takaudio['channels'] = getid3_lib::Bin2Dec(substr($thisfile_takaudio_raw['STREAMINFO'], 1, 4)) + 1;
$thisfile_takaudio['bits_per_sample'] = getid3_lib::Bin2Dec(substr($thisfile_takaudio_raw['STREAMINFO'], 5, 5)) + 8;
$thisfile_takaudio['sample_rate'] = getid3_lib::Bin2Dec(substr($thisfile_takaudio_raw['STREAMINFO'], 10, 18)) + 6000;
$thisfile_takaudio['samples'] = getid3_lib::Bin2Dec(substr($thisfile_takaudio_raw['STREAMINFO'], 31, 35));
$thisfile_takaudio['framesize'] = self::TAKFramesizeLookup(getid3_lib::Bin2Dec(substr($thisfile_takaudio_raw['STREAMINFO'], 66, 4)));
$thisfile_takaudio['codectype'] = self::TAKCodecTypeLookup(getid3_lib::Bin2Dec(substr($thisfile_takaudio_raw['STREAMINFO'], 74, 6)));
} else {
$this->error('Expecting Type 1 (STREAMINFO) Metadata Object header, but found Type "'.$objtype.'" Object instead');
unset($info['fileformat']);
return false;
}
$this->fseek($offset);
$TAKMetaData = $this->fread(4);
$objtype = getid3_lib::BigEndian2Int(substr($TAKMetaData, 0, 1));
$objlength = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 1, 3));
while ($objtype != 0) {
switch ($objtype) {
case 4 :
// ENCODERINFO Metadata Block
$offset += 4;
$this->fseek($offset);
$TAKMetaData = $this->fread($objlength);
$ver = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 0, 3));
$major = ($ver & 0xff0000) >> 16;
$minor = ($ver & 0x00ff00) >> 8;
$revision= $ver & 0x0000ff;
$thisfile_takaudio['version'] = 'TAK V '.$major.'.'.$minor.'.'.$revision;
$thisfile_takaudio['profile'] = self::TAKProfileLookup(getid3_lib::BigEndian2Int(substr($TAKMetaData, 3, 1)));
$offset += $objlength;
break;
case 6 :
// MD5 Checksum Metadata Block
$offset += 4;
$this->fseek($offset);
$TAKMetaData = $this->fread($objlength);
$thisfile_takaudio_raw['MD5Data'] = substr($TAKMetaData, 0, 16);
$offset += $objlength;
break;
case 7 :
// LASTFRAME Metadata Block
$offset += 4;
$this->fseek($offset);
$TAKMetaData = $this->fread($objlength);
$thisfile_takaudio['lastframe_pos'] = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 0, 5));
$thisfile_takaudio['last_frame_size'] = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 5, 3));
$offset += $objlength;
break;
case 3 :
// ORIGINALFILEDATA Metadata Block
$offset += 4;
$this->fseek($offset);
$TAKMetaData = $this->fread($objlength);
$headersize = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 0, 3));
$footersize = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 3, 3));
if ($headersize) $thisfile_takaudio_raw['header_data'] = substr($TAKMetaData, 6, $headersize);
if ($footersize) $thisfile_takaudio_raw['footer_data'] = substr($TAKMetaData, $headersize, $footersize);
$offset += $objlength;
break;
default :
// PADDING or SEEKTABLE Metadata Block. Just skip it
$offset += 4;
$this->fseek($offset);
$TAKMetaData = $this->fread($objlength);
$offset += $objlength;
break;
}
$this->fseek($offset);
$TAKMetaData = $this->fread(4);
$objtype = getid3_lib::BigEndian2Int(substr($TAKMetaData, 0, 1));
$objlength = getid3_lib::LittleEndian2Int(substr($TAKMetaData, 1, 3));
}
// Finished all Metadata Blocks. So update $info['avdataoffset'] because next block is the first Audio data block
$info['avdataoffset'] = $offset;
$info['audio']['channels'] = $thisfile_takaudio['channels'];
if ($thisfile_takaudio['sample_rate'] == 0) {
$this->error('Corrupt TAK file: samplerate == zero');
return false;
}
$info['audio']['sample_rate'] = $thisfile_takaudio['sample_rate'];
$thisfile_takaudio['playtime'] = $thisfile_takaudio['samples'] / $thisfile_takaudio['sample_rate'];
if ($thisfile_takaudio['playtime'] == 0) {
$this->error('Corrupt TAK file: playtime == zero');
return false;
}
$info['playtime_seconds'] = $thisfile_takaudio['playtime'];
$thisfile_takaudio['compressed_size'] = $info['avdataend'] - $info['avdataoffset'];
$thisfile_takaudio['uncompressed_size'] = $thisfile_takaudio['samples'] * $thisfile_takaudio['channels'] * ($thisfile_takaudio['bits_per_sample'] / 8);
if ($thisfile_takaudio['uncompressed_size'] == 0) {
$this->error('Corrupt TAK file: uncompressed_size == zero');
return false;
}
$thisfile_takaudio['compression_ratio'] = $thisfile_takaudio['compressed_size'] / ($thisfile_takaudio['uncompressed_size'] + $offset);
$thisfile_takaudio['bitrate'] = (($thisfile_takaudio['samples'] * $thisfile_takaudio['channels'] * $thisfile_takaudio['bits_per_sample']) / $thisfile_takaudio['playtime']) * $thisfile_takaudio['compression_ratio'];
$info['audio']['bitrate'] = $thisfile_takaudio['bitrate'];
if (empty($thisfile_takaudio_raw['MD5Data'])) {
//$this->warning('MD5Data is not set');
} elseif ($thisfile_takaudio_raw['MD5Data'] === str_repeat("\x00", 16)) {
//$this->warning('MD5Data is null');
} else {
$info['md5_data_source'] = '';
$md5 = $thisfile_takaudio_raw['MD5Data'];
for ($i = 0; $i < strlen($md5); $i++) {
$info['md5_data_source'] .= str_pad(dechex(ord($md5[$i])), 2, '00', STR_PAD_LEFT);
}
if (!preg_match('/^[0-9a-f]{32}$/', $info['md5_data_source'])) {
unset($info['md5_data_source']);
}
}
foreach (array('bits_per_sample', 'version', 'profile') as $key) {
if (!empty($thisfile_takaudio[$key])) {
$info['audio'][$key] = $thisfile_takaudio[$key];
}
}
return true;
}
public function TAKFramesizeLookup($framesize) {
static $TAKFramesizeLookup = array(
0 => '94 ms',
1 => '125 ms',
2 => '188 ms',
3 => '250 ms',
4 => '4096 samples',
5 => '8192 samples',
6 => '16384 samples',
7 => '512 samples',
8 => '1024 samples',
9 => '2048 samples'
);
return (isset($TAKFramesizeLookup[$framesize]) ? $TAKFramesizeLookup[$framesize] : 'invalid');
}
public function TAKCodecTypeLookup($code) {
static $TAKCodecTypeLookup = array(
0 => 'Integer 24 bit (TAK 1.0)',
1 => 'Experimental!',
2 => 'Integer 24 bit (TAK 2.0)',
3 => 'LossyWav (TAK 2.1)',
4 => 'Integer 24 bit MC (TAK 2.2)'
);
return (isset($TAKCodecTypeLookup[$code]) ? $TAKCodecTypeLookup[$code] : 'invalid');
}
public function TAKProfileLookup($code) {
$out ='-p';
$evaluation = ($code & 0xf0) >> 4;
$compresion = $code & 0x0f;
static $TAKEvaluationLookup = array(
0 => '',
1 => 'e',
2 => 'm'
);
return (isset($TAKEvaluationLookup[$evaluation]) ? $out .= $compresion . $TAKEvaluationLookup[$evaluation] : 'invalid');
}
}

View File

@ -0,0 +1,111 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.tta.php //
// module for analyzing TTA Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_tta extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'tta';
$info['audio']['dataformat'] = 'tta';
$info['audio']['lossless'] = true;
$info['audio']['bitrate_mode'] = 'vbr';
$this->fseek($info['avdataoffset']);
$ttaheader = $this->fread(26);
$info['tta']['magic'] = substr($ttaheader, 0, 3);
$magic = 'TTA';
if ($info['tta']['magic'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($info['tta']['magic']).'"');
unset($info['fileformat']);
unset($info['audio']);
unset($info['tta']);
return false;
}
switch ($ttaheader[3]) {
case "\x01": // TTA v1.x
case "\x02": // TTA v1.x
case "\x03": // TTA v1.x
// "It was the demo-version of the TTA encoder. There is no released format with such header. TTA encoder v1 is not supported about a year."
$info['tta']['major_version'] = 1;
$info['avdataoffset'] += 16;
$info['tta']['compression_level'] = ord($ttaheader[3]);
$info['tta']['channels'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 4, 2));
$info['tta']['bits_per_sample'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 6, 2));
$info['tta']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 8, 4));
$info['tta']['samples_per_channel'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 12, 4));
$info['audio']['encoder_options'] = '-e'.$info['tta']['compression_level'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['tta']['samples_per_channel'], $info['tta']['sample_rate']);
break;
case '2': // TTA v2.x
// "I have hurried to release the TTA 2.0 encoder. Format documentation is removed from our site. This format still in development. Please wait the TTA2 format, encoder v4."
$info['tta']['major_version'] = 2;
$info['avdataoffset'] += 20;
$info['tta']['compression_level'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 4, 2));
$info['tta']['audio_format'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 6, 2));
$info['tta']['channels'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 8, 2));
$info['tta']['bits_per_sample'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 10, 2));
$info['tta']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 12, 4));
$info['tta']['data_length'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 16, 4));
$info['audio']['encoder_options'] = '-e'.$info['tta']['compression_level'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['tta']['data_length'], $info['tta']['sample_rate']);
break;
case '1': // TTA v3.x
// "This is a first stable release of the TTA format. It will be supported by the encoders v3 or higher."
$info['tta']['major_version'] = 3;
$info['avdataoffset'] += 26;
$info['tta']['audio_format'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 4, 2)); // getid3_riff::wFormatTagLookup()
$info['tta']['channels'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 6, 2));
$info['tta']['bits_per_sample'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 8, 2));
$info['tta']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 10, 4));
$info['tta']['data_length'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 14, 4));
$info['tta']['crc32_footer'] = substr($ttaheader, 18, 4);
$info['tta']['seek_point'] = getid3_lib::LittleEndian2Int(substr($ttaheader, 22, 4));
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['tta']['data_length'], $info['tta']['sample_rate']);
break;
default:
$this->error('This version of getID3() ['.$this->getid3->version().'] only knows how to handle TTA v1 and v2 - it may not work correctly with this file which appears to be TTA v'.$ttaheader[3]);
return false;
}
$info['audio']['encoder'] = 'TTA v'.$info['tta']['major_version'];
$info['audio']['bits_per_sample'] = $info['tta']['bits_per_sample'];
$info['audio']['sample_rate'] = $info['tta']['sample_rate'];
$info['audio']['channels'] = $info['tta']['channels'];
$info['audio']['bitrate'] = getid3_lib::SafeDiv(($info['avdataend'] - $info['avdataoffset']) * 8, $info['playtime_seconds']);
return true;
}
}

View File

@ -0,0 +1,227 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.voc.php //
// module for analyzing Creative VOC Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_voc extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$OriginalAVdataOffset = $info['avdataoffset'];
$this->fseek($info['avdataoffset']);
$VOCheader = $this->fread(26);
$magic = 'Creative Voice File';
if (substr($VOCheader, 0, 19) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($VOCheader, 0, 19)).'"');
return false;
}
// shortcuts
$thisfile_audio = &$info['audio'];
$info['voc'] = array();
$thisfile_voc = &$info['voc'];
$info['fileformat'] = 'voc';
$thisfile_audio['dataformat'] = 'voc';
$thisfile_audio['bitrate_mode'] = 'cbr';
$thisfile_audio['lossless'] = true;
$thisfile_audio['channels'] = 1; // might be overriden below
$thisfile_audio['bits_per_sample'] = 8; // might be overriden below
// byte # Description
// ------ ------------------------------------------
// 00-12 'Creative Voice File'
// 13 1A (eof to abort printing of file)
// 14-15 Offset of first datablock in .voc file (std 1A 00 in Intel Notation)
// 16-17 Version number (minor,major) (VOC-HDR puts 0A 01)
// 18-19 2's Comp of Ver. # + 1234h (VOC-HDR puts 29 11)
$thisfile_voc['header']['datablock_offset'] = getid3_lib::LittleEndian2Int(substr($VOCheader, 20, 2));
$thisfile_voc['header']['minor_version'] = getid3_lib::LittleEndian2Int(substr($VOCheader, 22, 1));
$thisfile_voc['header']['major_version'] = getid3_lib::LittleEndian2Int(substr($VOCheader, 23, 1));
$thisfile_voc['blocktypes'] = array();
do {
$BlockOffset = $this->ftell();
$BlockData = $this->fread(4);
$BlockType = ord($BlockData[0]);
$BlockSize = getid3_lib::LittleEndian2Int(substr($BlockData, 1, 3));
$ThisBlock = array();
/** @phpstan-ignore-next-line */
getid3_lib::safe_inc($thisfile_voc['blocktypes'][$BlockType], 1);
switch ($BlockType) {
case 0: // Terminator
// do nothing, we'll break out of the loop down below
break;
case 1: // Sound data
$BlockData .= $this->fread(2);
if ($info['avdataoffset'] <= $OriginalAVdataOffset) {
$info['avdataoffset'] = $this->ftell();
}
$this->fseek($BlockSize - 2, SEEK_CUR);
$ThisBlock['sample_rate_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, 4, 1));
$ThisBlock['compression_type'] = getid3_lib::LittleEndian2Int(substr($BlockData, 5, 1));
$ThisBlock['compression_name'] = $this->VOCcompressionTypeLookup($ThisBlock['compression_type']);
if ($ThisBlock['compression_type'] <= 3) {
$thisfile_voc['compressed_bits_per_sample'] = getid3_lib::CastAsInt(str_replace('-bit', '', $ThisBlock['compression_name']));
}
// Less accurate sample_rate calculation than the Extended block (#8) data (but better than nothing if Extended Block is not available)
if (empty($thisfile_audio['sample_rate'])) {
// SR byte = 256 - (1000000 / sample_rate)
$thisfile_audio['sample_rate'] = getid3_lib::trunc((1000000 / (256 - $ThisBlock['sample_rate_id'])) / $thisfile_audio['channels']);
}
break;
case 2: // Sound continue
case 3: // Silence
case 4: // Marker
case 6: // Repeat
case 7: // End repeat
// nothing useful, just skip
$this->fseek($BlockSize, SEEK_CUR);
break;
case 8: // Extended
$BlockData .= $this->fread(4);
//00-01 Time Constant:
// Mono: 65536 - (256000000 / sample_rate)
// Stereo: 65536 - (256000000 / (sample_rate * 2))
$ThisBlock['time_constant'] = getid3_lib::LittleEndian2Int(substr($BlockData, 4, 2));
$ThisBlock['pack_method'] = getid3_lib::LittleEndian2Int(substr($BlockData, 6, 1));
$ThisBlock['stereo'] = (bool) getid3_lib::LittleEndian2Int(substr($BlockData, 7, 1));
$thisfile_audio['channels'] = ($ThisBlock['stereo'] ? 2 : 1);
$thisfile_audio['sample_rate'] = getid3_lib::trunc((256000000 / (65536 - $ThisBlock['time_constant'])) / $thisfile_audio['channels']);
break;
case 9: // data block that supersedes blocks 1 and 8. Used for stereo, 16 bit
$BlockData .= $this->fread(12);
if ($info['avdataoffset'] <= $OriginalAVdataOffset) {
$info['avdataoffset'] = $this->ftell();
}
$this->fseek($BlockSize - 12, SEEK_CUR);
$ThisBlock['sample_rate'] = getid3_lib::LittleEndian2Int(substr($BlockData, 4, 4));
$ThisBlock['bits_per_sample'] = getid3_lib::LittleEndian2Int(substr($BlockData, 8, 1));
$ThisBlock['channels'] = getid3_lib::LittleEndian2Int(substr($BlockData, 9, 1));
$ThisBlock['wFormat'] = getid3_lib::LittleEndian2Int(substr($BlockData, 10, 2));
$ThisBlock['compression_name'] = $this->VOCwFormatLookup($ThisBlock['wFormat']);
if ($this->VOCwFormatActualBitsPerSampleLookup($ThisBlock['wFormat'])) {
$thisfile_voc['compressed_bits_per_sample'] = $this->VOCwFormatActualBitsPerSampleLookup($ThisBlock['wFormat']);
}
$thisfile_audio['sample_rate'] = $ThisBlock['sample_rate'];
$thisfile_audio['bits_per_sample'] = $ThisBlock['bits_per_sample'];
$thisfile_audio['channels'] = $ThisBlock['channels'] ?: 1;
break;
default:
$this->warning('Unhandled block type "'.$BlockType.'" at offset '.$BlockOffset);
$this->fseek($BlockSize, SEEK_CUR);
break;
}
if (!empty($ThisBlock)) {
$ThisBlock['block_offset'] = $BlockOffset;
$ThisBlock['block_size'] = $BlockSize;
$ThisBlock['block_type_id'] = $BlockType;
$thisfile_voc['blocks'][] = $ThisBlock;
}
} while (!feof($this->getid3->fp) && ($BlockType != 0));
// Terminator block doesn't have size field, so seek back 3 spaces
$this->fseek(-3, SEEK_CUR);
ksort($thisfile_voc['blocktypes']);
if (!empty($thisfile_voc['compressed_bits_per_sample'])) {
$info['playtime_seconds'] = getid3_lib::SafeDiv(($info['avdataend'] - $info['avdataoffset']) * 8, $thisfile_voc['compressed_bits_per_sample'] * $thisfile_audio['channels'] * $thisfile_audio['sample_rate']);
$thisfile_audio['bitrate'] = getid3_lib::SafeDiv(($info['avdataend'] - $info['avdataoffset']) * 8, $info['playtime_seconds']);
}
return true;
}
/**
* @param int $index
*
* @return string
*/
public function VOCcompressionTypeLookup($index) {
static $VOCcompressionTypeLookup = array(
0 => '8-bit',
1 => '4-bit',
2 => '2.6-bit',
3 => '2-bit'
);
return (isset($VOCcompressionTypeLookup[$index]) ? $VOCcompressionTypeLookup[$index] : 'Multi DAC ('.($index - 3).') channels');
}
/**
* @param int $index
*
* @return string|false
*/
public function VOCwFormatLookup($index) {
static $VOCwFormatLookup = array(
0x0000 => '8-bit unsigned PCM',
0x0001 => 'Creative 8-bit to 4-bit ADPCM',
0x0002 => 'Creative 8-bit to 3-bit ADPCM',
0x0003 => 'Creative 8-bit to 2-bit ADPCM',
0x0004 => '16-bit signed PCM',
0x0006 => 'CCITT a-Law',
0x0007 => 'CCITT u-Law',
0x2000 => 'Creative 16-bit to 4-bit ADPCM'
);
return (isset($VOCwFormatLookup[$index]) ? $VOCwFormatLookup[$index] : false);
}
/**
* @param int $index
*
* @return int|false
*/
public function VOCwFormatActualBitsPerSampleLookup($index) {
static $VOCwFormatLookup = array(
0x0000 => 8,
0x0001 => 4,
0x0002 => 3,
0x0003 => 2,
0x0004 => 16,
0x0006 => 8,
0x0007 => 8,
0x2000 => 4
);
return (isset($VOCwFormatLookup[$index]) ? $VOCwFormatLookup[$index] : false);
}
}

View File

@ -0,0 +1,176 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.vqf.php //
// module for analyzing VQF audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_vqf extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// based loosely on code from TTwinVQ by Jurgen Faul <jfaulØgmx*de>
// http://jfaul.de/atl or http://j-faul.virtualave.net/atl/atl.html
$info['fileformat'] = 'vqf';
$info['audio']['dataformat'] = 'vqf';
$info['audio']['bitrate_mode'] = 'cbr';
$info['audio']['lossless'] = false;
// shortcut
$info['vqf']['raw'] = array();
$thisfile_vqf = &$info['vqf'];
$thisfile_vqf_raw = &$thisfile_vqf['raw'];
$this->fseek($info['avdataoffset']);
$VQFheaderData = $this->fread(16);
$offset = 0;
$thisfile_vqf_raw['header_tag'] = substr($VQFheaderData, $offset, 4);
$magic = 'TWIN';
if ($thisfile_vqf_raw['header_tag'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($thisfile_vqf_raw['header_tag']).'"');
unset($info['vqf']);
unset($info['fileformat']);
return false;
}
$offset += 4;
$thisfile_vqf_raw['version'] = substr($VQFheaderData, $offset, 8);
$offset += 8;
$thisfile_vqf_raw['size'] = getid3_lib::BigEndian2Int(substr($VQFheaderData, $offset, 4));
$offset += 4;
while ($this->ftell() < $info['avdataend']) {
$ChunkBaseOffset = $this->ftell();
$chunkoffset = 0;
$ChunkData = $this->fread(8);
$ChunkName = substr($ChunkData, $chunkoffset, 4);
if ($ChunkName == 'DATA') {
$info['avdataoffset'] = $ChunkBaseOffset;
break;
}
$chunkoffset += 4;
$ChunkSize = getid3_lib::BigEndian2Int(substr($ChunkData, $chunkoffset, 4));
$chunkoffset += 4;
if ($ChunkSize > ($info['avdataend'] - $this->ftell())) {
$this->error('Invalid chunk size ('.$ChunkSize.') for chunk "'.$ChunkName.'" at offset '.$ChunkBaseOffset);
break;
}
if ($ChunkSize > 0) {
$ChunkData .= $this->fread($ChunkSize);
}
switch ($ChunkName) {
case 'COMM':
// shortcut
$thisfile_vqf['COMM'] = array();
$thisfile_vqf_COMM = &$thisfile_vqf['COMM'];
$thisfile_vqf_COMM['channel_mode'] = getid3_lib::BigEndian2Int(substr($ChunkData, $chunkoffset, 4));
$chunkoffset += 4;
$thisfile_vqf_COMM['bitrate'] = getid3_lib::BigEndian2Int(substr($ChunkData, $chunkoffset, 4));
$chunkoffset += 4;
$thisfile_vqf_COMM['sample_rate'] = getid3_lib::BigEndian2Int(substr($ChunkData, $chunkoffset, 4));
$chunkoffset += 4;
$thisfile_vqf_COMM['security_level'] = getid3_lib::BigEndian2Int(substr($ChunkData, $chunkoffset, 4));
$chunkoffset += 4;
$info['audio']['channels'] = $thisfile_vqf_COMM['channel_mode'] + 1;
$info['audio']['sample_rate'] = $this->VQFchannelFrequencyLookup($thisfile_vqf_COMM['sample_rate']);
$info['audio']['bitrate'] = $thisfile_vqf_COMM['bitrate'] * 1000;
$info['audio']['encoder_options'] = 'CBR' . ceil($info['audio']['bitrate']/1000);
if ($info['audio']['bitrate'] == 0) {
$this->error('Corrupt VQF file: bitrate_audio == zero');
return false;
}
break;
case 'NAME':
case 'AUTH':
case '(c) ':
case 'FILE':
case 'COMT':
case 'ALBM':
$thisfile_vqf['comments'][$this->VQFcommentNiceNameLookup($ChunkName)][] = trim(substr($ChunkData, 8));
break;
case 'DSIZ':
$thisfile_vqf['DSIZ'] = getid3_lib::BigEndian2Int(substr($ChunkData, 8, 4));
break;
default:
$this->warning('Unhandled chunk type "'.$ChunkName.'" at offset '.$ChunkBaseOffset);
break;
}
}
$info['playtime_seconds'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['audio']['bitrate'];
if (isset($thisfile_vqf['DSIZ']) && (($thisfile_vqf['DSIZ'] != ($info['avdataend'] - $info['avdataoffset'] - strlen('DATA'))))) {
switch ($thisfile_vqf['DSIZ']) {
case 0:
case 1:
$this->warning('Invalid DSIZ value "'.$thisfile_vqf['DSIZ'].'". This is known to happen with VQF files encoded by Ahead Nero, and seems to be its way of saying this is TwinVQF v'.($thisfile_vqf['DSIZ'] + 1).'.0');
$info['audio']['encoder'] = 'Ahead Nero';
break;
default:
$this->warning('Probable corrupted file - should be '.$thisfile_vqf['DSIZ'].' bytes, actually '.($info['avdataend'] - $info['avdataoffset'] - strlen('DATA')));
break;
}
}
return true;
}
/**
* @param int $frequencyid
*
* @return int
*/
public function VQFchannelFrequencyLookup($frequencyid) {
static $VQFchannelFrequencyLookup = array(
11 => 11025,
22 => 22050,
44 => 44100
);
return (isset($VQFchannelFrequencyLookup[$frequencyid]) ? $VQFchannelFrequencyLookup[$frequencyid] : $frequencyid * 1000);
}
/**
* @param string $shortname
*
* @return string
*/
public function VQFcommentNiceNameLookup($shortname) {
static $VQFcommentNiceNameLookup = array(
'NAME' => 'title',
'AUTH' => 'artist',
'(c) ' => 'copyright',
'FILE' => 'filename',
'COMT' => 'comment',
'ALBM' => 'album'
);
return (isset($VQFcommentNiceNameLookup[$shortname]) ? $VQFcommentNiceNameLookup[$shortname] : $shortname);
}
}

View File

@ -0,0 +1,424 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.wavpack.php //
// module for analyzing WavPack v4.0+ Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_wavpack extends getid3_handler
{
/**
* Avoid scanning all frames (break after finding ID_RIFF_HEADER and ID_CONFIG_BLOCK,
* significantly faster for very large files but other data may be missed
*
* @var bool
*/
public $quick_parsing = false;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$found_blocks = array();
while (true) {
$wavpackheader = $this->fread(32);
if ($this->ftell() >= $info['avdataend']) {
break;
} elseif ($this->feof()) {
break;
} elseif (
isset($info['wavpack']['blockheader']['total_samples']) &&
isset($info['wavpack']['blockheader']['block_samples']) &&
($info['wavpack']['blockheader']['total_samples'] > 0) &&
($info['wavpack']['blockheader']['block_samples'] > 0) &&
(!isset($info['wavpack']['riff_trailer_size']) || ($info['wavpack']['riff_trailer_size'] <= 0)) &&
((isset($info['wavpack']['config_flags']['md5_checksum']) && ($info['wavpack']['config_flags']['md5_checksum'] === false)) || !empty($info['md5_data_source']))) {
break;
}
$blockheader_offset = $this->ftell() - 32;
$blockheader_magic = substr($wavpackheader, 0, 4);
$blockheader_size = getid3_lib::LittleEndian2Int(substr($wavpackheader, 4, 4));
$magic = 'wvpk';
if ($blockheader_magic != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$blockheader_offset.', found "'.getid3_lib::PrintHexBytes($blockheader_magic).'"');
switch (isset($info['audio']['dataformat']) ? $info['audio']['dataformat'] : '') {
case 'wavpack':
case 'wvc':
break;
default:
unset($info['fileformat']);
unset($info['audio']);
unset($info['wavpack']);
break;
}
return false;
}
if (empty($info['wavpack']['blockheader']['block_samples']) ||
empty($info['wavpack']['blockheader']['total_samples']) ||
($info['wavpack']['blockheader']['block_samples'] <= 0) ||
($info['wavpack']['blockheader']['total_samples'] <= 0)) {
// Also, it is possible that the first block might not have
// any samples (block_samples == 0) and in this case you should skip blocks
// until you find one with samples because the other information (like
// total_samples) are not guaranteed to be correct until (block_samples > 0)
// Finally, I have defined a format for files in which the length is not known
// (for example when raw files are created using pipes). In these cases
// total_samples will be -1 and you must seek to the final block to determine
// the total number of samples.
$info['audio']['dataformat'] = 'wavpack';
$info['fileformat'] = 'wavpack';
$info['audio']['lossless'] = true;
$info['audio']['bitrate_mode'] = 'vbr';
$info['wavpack']['blockheader']['offset'] = $blockheader_offset;
$info['wavpack']['blockheader']['magic'] = $blockheader_magic;
$info['wavpack']['blockheader']['size'] = $blockheader_size;
if ($info['wavpack']['blockheader']['size'] >= 0x100000) {
$this->error('Expecting WavPack block size less than "0x100000", found "'.$info['wavpack']['blockheader']['size'].'" at offset '.$info['wavpack']['blockheader']['offset']);
switch (isset($info['audio']['dataformat']) ? $info['audio']['dataformat'] : '') {
case 'wavpack':
case 'wvc':
break;
default:
unset($info['fileformat']);
unset($info['audio']);
unset($info['wavpack']);
break;
}
return false;
}
$info['wavpack']['blockheader']['minor_version'] = ord($wavpackheader[8]);
$info['wavpack']['blockheader']['major_version'] = ord($wavpackheader[9]);
if (($info['wavpack']['blockheader']['major_version'] != 4) ||
(($info['wavpack']['blockheader']['minor_version'] < 4) &&
($info['wavpack']['blockheader']['minor_version'] > 16))) {
$this->error('Expecting WavPack version between "4.2" and "4.16", found version "'.$info['wavpack']['blockheader']['major_version'].'.'.$info['wavpack']['blockheader']['minor_version'].'" at offset '.$info['wavpack']['blockheader']['offset']);
switch (isset($info['audio']['dataformat']) ? $info['audio']['dataformat'] : '') {
case 'wavpack':
case 'wvc':
break;
default:
unset($info['fileformat']);
unset($info['audio']);
unset($info['wavpack']);
break;
}
return false;
}
$info['wavpack']['blockheader']['track_number'] = ord($wavpackheader[10]); // unused
$info['wavpack']['blockheader']['index_number'] = ord($wavpackheader[11]); // unused
$info['wavpack']['blockheader']['total_samples'] = getid3_lib::LittleEndian2Int(substr($wavpackheader, 12, 4));
$info['wavpack']['blockheader']['block_index'] = getid3_lib::LittleEndian2Int(substr($wavpackheader, 16, 4));
$info['wavpack']['blockheader']['block_samples'] = getid3_lib::LittleEndian2Int(substr($wavpackheader, 20, 4));
$info['wavpack']['blockheader']['flags_raw'] = getid3_lib::LittleEndian2Int(substr($wavpackheader, 24, 4));
$info['wavpack']['blockheader']['crc'] = getid3_lib::LittleEndian2Int(substr($wavpackheader, 28, 4));
$info['wavpack']['blockheader']['flags']['bytes_per_sample'] = 1 + ($info['wavpack']['blockheader']['flags_raw'] & 0x00000003);
$info['wavpack']['blockheader']['flags']['mono'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000004);
$info['wavpack']['blockheader']['flags']['hybrid'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000008);
$info['wavpack']['blockheader']['flags']['joint_stereo'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000010);
$info['wavpack']['blockheader']['flags']['cross_decorrelation'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000020);
$info['wavpack']['blockheader']['flags']['hybrid_noiseshape'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000040);
$info['wavpack']['blockheader']['flags']['ieee_32bit_float'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000080);
$info['wavpack']['blockheader']['flags']['int_32bit'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000100);
$info['wavpack']['blockheader']['flags']['hybrid_bitrate_noise'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000200);
$info['wavpack']['blockheader']['flags']['hybrid_balance_noise'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000400);
$info['wavpack']['blockheader']['flags']['multichannel_initial'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00000800);
$info['wavpack']['blockheader']['flags']['multichannel_final'] = (bool) ($info['wavpack']['blockheader']['flags_raw'] & 0x00001000);
$info['audio']['lossless'] = !$info['wavpack']['blockheader']['flags']['hybrid'];
}
while (!$this->feof() && ($this->ftell() < ($blockheader_offset + $blockheader_size + 8))) {
$metablock = array('offset'=>$this->ftell());
$metablockheader = $this->fread(2);
if ($this->feof()) {
break;
}
$metablock['id'] = ord($metablockheader[0]);
$metablock['function_id'] = ($metablock['id'] & 0x3F);
$metablock['function_name'] = $this->WavPackMetablockNameLookup($metablock['function_id']);
$found_blocks[$metablock['function_name']] = (isset($found_blocks[$metablock['function_name']]) ? $found_blocks[$metablock['function_name']] : 0) + 1; // cannot use getid3_lib::safe_inc without warnings(?)
// The 0x20 bit in the id of the meta subblocks (which is defined as
// ID_OPTIONAL_DATA) is a permanent part of the id. The idea is that
// if a decoder encounters an id that it does not know about, it uses
// that "ID_OPTIONAL_DATA" flag to determine what to do. If it is set
// then the decoder simply ignores the metadata, but if it is zero
// then the decoder should quit because it means that an understanding
// of the metadata is required to correctly decode the audio.
$metablock['non_decoder'] = (bool) ($metablock['id'] & 0x20);
$metablock['padded_data'] = (bool) ($metablock['id'] & 0x40);
$metablock['large_block'] = (bool) ($metablock['id'] & 0x80);
if ($metablock['large_block']) {
$metablockheader .= $this->fread(2);
}
$metablock['size'] = getid3_lib::LittleEndian2Int(substr($metablockheader, 1)) * 2; // size is stored in words
$metablock['data'] = null;
$metablock['comments'] = array();
if ($metablock['size'] > 0) {
switch ($metablock['function_id']) {
case 0x21: // ID_RIFF_HEADER
case 0x22: // ID_RIFF_TRAILER
case 0x23: // ID_REPLAY_GAIN
case 0x24: // ID_CUESHEET
case 0x25: // ID_CONFIG_BLOCK
case 0x26: // ID_MD5_CHECKSUM
$metablock['data'] = $this->fread($metablock['size']);
if ($metablock['padded_data']) {
// padded to the nearest even byte
$metablock['size']--;
$metablock['data'] = substr($metablock['data'], 0, -1);
}
break;
case 0x00: // ID_DUMMY
case 0x01: // ID_ENCODER_INFO
case 0x02: // ID_DECORR_TERMS
case 0x03: // ID_DECORR_WEIGHTS
case 0x04: // ID_DECORR_SAMPLES
case 0x05: // ID_ENTROPY_VARS
case 0x06: // ID_HYBRID_PROFILE
case 0x07: // ID_SHAPING_WEIGHTS
case 0x08: // ID_FLOAT_INFO
case 0x09: // ID_INT32_INFO
case 0x0A: // ID_WV_BITSTREAM
case 0x0B: // ID_WVC_BITSTREAM
case 0x0C: // ID_WVX_BITSTREAM
case 0x0D: // ID_CHANNEL_INFO
$this->fseek($metablock['offset'] + ($metablock['large_block'] ? 4 : 2) + $metablock['size']);
break;
default:
$this->warning('Unexpected metablock type "0x'.str_pad(dechex($metablock['function_id']), 2, '0', STR_PAD_LEFT).'" at offset '.$metablock['offset']);
$this->fseek($metablock['offset'] + ($metablock['large_block'] ? 4 : 2) + $metablock['size']);
break;
}
switch ($metablock['function_id']) {
case 0x21: // ID_RIFF_HEADER
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
$original_wav_filesize = getid3_lib::LittleEndian2Int(substr($metablock['data'], 4, 4));
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_riff = new getid3_riff($getid3_temp);
$getid3_riff->ParseRIFFdata($metablock['data']);
$metablock['riff'] = $getid3_temp->info['riff'];
$info['audio']['sample_rate'] = $getid3_temp->info['riff']['raw']['fmt ']['nSamplesPerSec'];
unset($getid3_riff, $getid3_temp);
$metablock['riff']['original_filesize'] = $original_wav_filesize;
$info['wavpack']['riff_trailer_size'] = $original_wav_filesize - $metablock['riff']['WAVE']['data'][0]['size'] - $metablock['riff']['header_size'];
$info['playtime_seconds'] = getid3_lib::SafeDiv($info['wavpack']['blockheader']['total_samples'], $info['audio']['sample_rate']);
// Safe RIFF header in case there's a RIFF footer later
$metablockRIFFheader = $metablock['data'];
if ($this->quick_parsing && !empty($found_blocks['RIFF header']) && !empty($found_blocks['Config Block'])) {
$this->warning('WavPack quick-parsing enabled (faster at parsing large fules, but may miss some data)');
break 2;
}
break;
case 0x22: // ID_RIFF_TRAILER
$metablockRIFFfooter = isset($metablockRIFFheader) ? $metablockRIFFheader : ''.$metablock['data'];
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
$startoffset = $metablock['offset'] + ($metablock['large_block'] ? 4 : 2);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_temp->info['avdataend'] = $info['avdataend'];
//$getid3_temp->info['fileformat'] = 'riff';
$getid3_riff = new getid3_riff($getid3_temp);
$metablock['riff'] = $getid3_riff->ParseRIFF($startoffset, $startoffset + $metablock['size']);
if (!empty($metablock['riff']['INFO'])) {
getid3_riff::parseComments($metablock['riff']['INFO'], $metablock['comments']);
$info['tags']['riff'] = $metablock['comments'];
}
unset($getid3_temp, $getid3_riff);
break;
case 0x23: // ID_REPLAY_GAIN
$this->warning('WavPack "Replay Gain" contents not yet handled by getID3() in metablock at offset '.$metablock['offset']);
break;
case 0x24: // ID_CUESHEET
$this->warning('WavPack "Cuesheet" contents not yet handled by getID3() in metablock at offset '.$metablock['offset']);
break;
case 0x25: // ID_CONFIG_BLOCK
$metablock['flags_raw'] = getid3_lib::LittleEndian2Int(substr($metablock['data'], 0, 3));
$metablock['flags']['adobe_mode'] = (bool) ($metablock['flags_raw'] & 0x000001); // "adobe" mode for 32-bit floats
$metablock['flags']['fast_flag'] = (bool) ($metablock['flags_raw'] & 0x000002); // fast mode
$metablock['flags']['very_fast_flag'] = (bool) ($metablock['flags_raw'] & 0x000004); // double fast
$metablock['flags']['high_flag'] = (bool) ($metablock['flags_raw'] & 0x000008); // high quality mode
$metablock['flags']['very_high_flag'] = (bool) ($metablock['flags_raw'] & 0x000010); // double high (not used yet)
$metablock['flags']['bitrate_kbps'] = (bool) ($metablock['flags_raw'] & 0x000020); // bitrate is kbps, not bits / sample
$metablock['flags']['auto_shaping'] = (bool) ($metablock['flags_raw'] & 0x000040); // automatic noise shaping
$metablock['flags']['shape_override'] = (bool) ($metablock['flags_raw'] & 0x000080); // shaping mode specified
$metablock['flags']['joint_override'] = (bool) ($metablock['flags_raw'] & 0x000100); // joint-stereo mode specified
$metablock['flags']['copy_time'] = (bool) ($metablock['flags_raw'] & 0x000200); // copy file-time from source
$metablock['flags']['create_exe'] = (bool) ($metablock['flags_raw'] & 0x000400); // create executable
$metablock['flags']['create_wvc'] = (bool) ($metablock['flags_raw'] & 0x000800); // create correction file
$metablock['flags']['optimize_wvc'] = (bool) ($metablock['flags_raw'] & 0x001000); // maximize bybrid compression
$metablock['flags']['quality_mode'] = (bool) ($metablock['flags_raw'] & 0x002000); // psychoacoustic quality mode
$metablock['flags']['raw_flag'] = (bool) ($metablock['flags_raw'] & 0x004000); // raw mode (not implemented yet)
$metablock['flags']['calc_noise'] = (bool) ($metablock['flags_raw'] & 0x008000); // calc noise in hybrid mode
$metablock['flags']['lossy_mode'] = (bool) ($metablock['flags_raw'] & 0x010000); // obsolete (for information)
$metablock['flags']['extra_mode'] = (bool) ($metablock['flags_raw'] & 0x020000); // extra processing mode
$metablock['flags']['skip_wvx'] = (bool) ($metablock['flags_raw'] & 0x040000); // no wvx stream w/ floats & big ints
$metablock['flags']['md5_checksum'] = (bool) ($metablock['flags_raw'] & 0x080000); // compute & store MD5 signature
$metablock['flags']['quiet_mode'] = (bool) ($metablock['flags_raw'] & 0x100000); // don't report progress %
$info['wavpack']['config_flags'] = $metablock['flags'];
$info['audio']['encoder_options'] = '';
if ($info['wavpack']['blockheader']['flags']['hybrid']) {
$info['audio']['encoder_options'] .= ' -b???';
}
$info['audio']['encoder_options'] .= ($metablock['flags']['adobe_mode'] ? ' -a' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['optimize_wvc'] ? ' -cc' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['create_exe'] ? ' -e' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['fast_flag'] ? ' -f' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['joint_override'] ? ' -j?' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['high_flag'] ? ' -h' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['md5_checksum'] ? ' -m' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['calc_noise'] ? ' -n' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['shape_override'] ? ' -s?' : '');
$info['audio']['encoder_options'] .= ($metablock['flags']['extra_mode'] ? ' -x?' : '');
if (!empty($info['audio']['encoder_options'])) {
$info['audio']['encoder_options'] = trim($info['audio']['encoder_options']);
} elseif (isset($info['audio']['encoder_options'])) {
unset($info['audio']['encoder_options']);
}
if ($this->quick_parsing && !empty($found_blocks['RIFF header']) && !empty($found_blocks['Config Block'])) {
$this->warning('WavPack quick-parsing enabled (faster at parsing large fules, but may miss some data)');
break 2;
}
break;
case 0x26: // ID_MD5_CHECKSUM
if (strlen($metablock['data']) == 16) {
$info['md5_data_source'] = strtolower(getid3_lib::PrintHexBytes($metablock['data'], true, false, false));
} else {
$this->warning('Expecting 16 bytes of WavPack "MD5 Checksum" in metablock at offset '.$metablock['offset'].', but found '.strlen($metablock['data']).' bytes');
}
break;
case 0x00: // ID_DUMMY
case 0x01: // ID_ENCODER_INFO
case 0x02: // ID_DECORR_TERMS
case 0x03: // ID_DECORR_WEIGHTS
case 0x04: // ID_DECORR_SAMPLES
case 0x05: // ID_ENTROPY_VARS
case 0x06: // ID_HYBRID_PROFILE
case 0x07: // ID_SHAPING_WEIGHTS
case 0x08: // ID_FLOAT_INFO
case 0x09: // ID_INT32_INFO
case 0x0A: // ID_WV_BITSTREAM
case 0x0B: // ID_WVC_BITSTREAM
case 0x0C: // ID_WVX_BITSTREAM
case 0x0D: // ID_CHANNEL_INFO
unset($metablock);
break;
}
}
if (!empty($metablock)) {
$info['wavpack']['metablocks'][] = $metablock;
}
}
}
$info['audio']['encoder'] = 'WavPack v'.$info['wavpack']['blockheader']['major_version'].'.'.str_pad($info['wavpack']['blockheader']['minor_version'], 2, '0', STR_PAD_LEFT);
$info['audio']['bits_per_sample'] = $info['wavpack']['blockheader']['flags']['bytes_per_sample'] * 8;
$info['audio']['channels'] = ($info['wavpack']['blockheader']['flags']['mono'] ? 1 : 2);
if (!empty($info['playtime_seconds'])) {
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
} else {
$info['audio']['dataformat'] = 'wvc';
}
return true;
}
/**
* @param int $id
*
* @return string
*/
public function WavPackMetablockNameLookup(&$id) {
static $WavPackMetablockNameLookup = array(
0x00 => 'Dummy',
0x01 => 'Encoder Info',
0x02 => 'Decorrelation Terms',
0x03 => 'Decorrelation Weights',
0x04 => 'Decorrelation Samples',
0x05 => 'Entropy Variables',
0x06 => 'Hybrid Profile',
0x07 => 'Shaping Weights',
0x08 => 'Float Info',
0x09 => 'Int32 Info',
0x0A => 'WV Bitstream',
0x0B => 'WVC Bitstream',
0x0C => 'WVX Bitstream',
0x0D => 'Channel Info',
0x21 => 'RIFF header',
0x22 => 'RIFF trailer',
0x23 => 'Replay Gain',
0x24 => 'Cuesheet',
0x25 => 'Config Block',
0x26 => 'MD5 Checksum',
);
return (isset($WavPackMetablockNameLookup[$id]) ? $WavPackMetablockNameLookup[$id] : '');
}
}

View File

@ -0,0 +1,724 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.bmp.php //
// module for analyzing BMP Image files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_bmp extends getid3_handler
{
/**
* return BMP palette
*
* @var bool
*/
public $ExtractPalette = false;
/**
* return image data
*
* @var bool
*/
public $ExtractData = false;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// shortcuts
$info['bmp']['header']['raw'] = array();
$thisfile_bmp = &$info['bmp'];
$thisfile_bmp_header = &$thisfile_bmp['header'];
$thisfile_bmp_header_raw = &$thisfile_bmp_header['raw'];
// BITMAPFILEHEADER [14 bytes] - http://msdn.microsoft.com/library/en-us/gdi/bitmaps_62uq.asp
// all versions
// WORD bfType;
// DWORD bfSize;
// WORD bfReserved1;
// WORD bfReserved2;
// DWORD bfOffBits;
$this->fseek($info['avdataoffset']);
$offset = 0;
$BMPheader = $this->fread(14 + 40);
$thisfile_bmp_header_raw['identifier'] = substr($BMPheader, $offset, 2);
$offset += 2;
$magic = 'BM';
if ($thisfile_bmp_header_raw['identifier'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($thisfile_bmp_header_raw['identifier']).'"');
unset($info['fileformat']);
unset($info['bmp']);
return false;
}
$thisfile_bmp_header_raw['filesize'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['reserved1'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['reserved2'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['data_offset'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['header_size'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
// check if the hardcoded-to-1 "planes" is at offset 22 or 26
$planes22 = getid3_lib::LittleEndian2Int(substr($BMPheader, 22, 2));
$planes26 = getid3_lib::LittleEndian2Int(substr($BMPheader, 26, 2));
if (($planes22 == 1) && ($planes26 != 1)) {
$thisfile_bmp['type_os'] = 'OS/2';
$thisfile_bmp['type_version'] = 1;
} elseif (($planes26 == 1) && ($planes22 != 1)) {
$thisfile_bmp['type_os'] = 'Windows';
$thisfile_bmp['type_version'] = 1;
} elseif ($thisfile_bmp_header_raw['header_size'] == 12) {
$thisfile_bmp['type_os'] = 'OS/2';
$thisfile_bmp['type_version'] = 1;
} elseif ($thisfile_bmp_header_raw['header_size'] == 40) {
$thisfile_bmp['type_os'] = 'Windows';
$thisfile_bmp['type_version'] = 1;
} elseif ($thisfile_bmp_header_raw['header_size'] == 84) {
$thisfile_bmp['type_os'] = 'Windows';
$thisfile_bmp['type_version'] = 4;
} elseif ($thisfile_bmp_header_raw['header_size'] == 100) {
$thisfile_bmp['type_os'] = 'Windows';
$thisfile_bmp['type_version'] = 5;
} else {
$this->error('Unknown BMP subtype (or not a BMP file)');
unset($info['fileformat']);
unset($info['bmp']);
return false;
}
$info['fileformat'] = 'bmp';
$info['video']['dataformat'] = 'bmp';
$info['video']['lossless'] = true;
$info['video']['pixel_aspect_ratio'] = (float) 1;
if ($thisfile_bmp['type_os'] == 'OS/2') {
// OS/2-format BMP
// http://netghost.narod.ru/gff/graphics/summary/os2bmp.htm
// DWORD Size; /* Size of this structure in bytes */
// DWORD Width; /* Bitmap width in pixels */
// DWORD Height; /* Bitmap height in pixel */
// WORD NumPlanes; /* Number of bit planes (color depth) */
// WORD BitsPerPixel; /* Number of bits per pixel per plane */
$thisfile_bmp_header_raw['width'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['height'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['planes'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$info['video']['resolution_x'] = $thisfile_bmp_header_raw['width'];
$info['video']['resolution_y'] = $thisfile_bmp_header_raw['height'];
$info['video']['codec'] = 'BI_RGB '.$thisfile_bmp_header_raw['bits_per_pixel'].'-bit';
$info['video']['bits_per_sample'] = $thisfile_bmp_header_raw['bits_per_pixel'];
if ($thisfile_bmp['type_version'] >= 2) {
// DWORD Compression; /* Bitmap compression scheme */
// DWORD ImageDataSize; /* Size of bitmap data in bytes */
// DWORD XResolution; /* X resolution of display device */
// DWORD YResolution; /* Y resolution of display device */
// DWORD ColorsUsed; /* Number of color table indices used */
// DWORD ColorsImportant; /* Number of important color indices */
// WORD Units; /* Type of units used to measure resolution */
// WORD Reserved; /* Pad structure to 4-byte boundary */
// WORD Recording; /* Recording algorithm */
// WORD Rendering; /* Halftoning algorithm used */
// DWORD Size1; /* Reserved for halftoning algorithm use */
// DWORD Size2; /* Reserved for halftoning algorithm use */
// DWORD ColorEncoding; /* Color model used in bitmap */
// DWORD Identifier; /* Reserved for application use */
$thisfile_bmp_header_raw['compression'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['bmp_data_size'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['resolution_h'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['resolution_v'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['colors_used'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['colors_important'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['resolution_units'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['reserved1'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['recording'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['rendering'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['size1'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['size2'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['color_encoding'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['identifier'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header['compression'] = $this->BMPcompressionOS2Lookup($thisfile_bmp_header_raw['compression']);
$info['video']['codec'] = $thisfile_bmp_header['compression'].' '.$thisfile_bmp_header_raw['bits_per_pixel'].'-bit';
}
} elseif ($thisfile_bmp['type_os'] == 'Windows') {
// Windows-format BMP
// BITMAPINFOHEADER - [40 bytes] http://msdn.microsoft.com/library/en-us/gdi/bitmaps_1rw2.asp
// all versions
// DWORD biSize;
// LONG biWidth;
// LONG biHeight;
// WORD biPlanes;
// WORD biBitCount;
// DWORD biCompression;
// DWORD biSizeImage;
// LONG biXPelsPerMeter;
// LONG biYPelsPerMeter;
// DWORD biClrUsed;
// DWORD biClrImportant;
// possibly integrate this section and module.audio-video.riff.php::ParseBITMAPINFOHEADER() ?
$thisfile_bmp_header_raw['width'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4), true);
$offset += 4;
$thisfile_bmp_header_raw['height'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4), true);
$offset += 4;
$thisfile_bmp_header_raw['planes'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 2));
$offset += 2;
$thisfile_bmp_header_raw['compression'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['bmp_data_size'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['resolution_h'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4), true);
$offset += 4;
$thisfile_bmp_header_raw['resolution_v'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4), true);
$offset += 4;
$thisfile_bmp_header_raw['colors_used'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['colors_important'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header['compression'] = $this->BMPcompressionWindowsLookup($thisfile_bmp_header_raw['compression']);
$info['video']['resolution_x'] = $thisfile_bmp_header_raw['width'];
$info['video']['resolution_y'] = $thisfile_bmp_header_raw['height'];
$info['video']['codec'] = $thisfile_bmp_header['compression'].' '.$thisfile_bmp_header_raw['bits_per_pixel'].'-bit';
$info['video']['bits_per_sample'] = $thisfile_bmp_header_raw['bits_per_pixel'];
if (($thisfile_bmp['type_version'] >= 4) || ($thisfile_bmp_header_raw['compression'] == 3)) {
// should only be v4+, but BMPs with type_version==1 and BI_BITFIELDS compression have been seen
$BMPheader .= $this->fread(44);
// BITMAPV4HEADER - [44 bytes] - http://msdn.microsoft.com/library/en-us/gdi/bitmaps_2k1e.asp
// Win95+, WinNT4.0+
// DWORD bV4RedMask;
// DWORD bV4GreenMask;
// DWORD bV4BlueMask;
// DWORD bV4AlphaMask;
// DWORD bV4CSType;
// CIEXYZTRIPLE bV4Endpoints;
// DWORD bV4GammaRed;
// DWORD bV4GammaGreen;
// DWORD bV4GammaBlue;
$thisfile_bmp_header_raw['red_mask'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['green_mask'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['blue_mask'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['alpha_mask'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['cs_type'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['ciexyz_red'] = substr($BMPheader, $offset, 4);
$offset += 4;
$thisfile_bmp_header_raw['ciexyz_green'] = substr($BMPheader, $offset, 4);
$offset += 4;
$thisfile_bmp_header_raw['ciexyz_blue'] = substr($BMPheader, $offset, 4);
$offset += 4;
$thisfile_bmp_header_raw['gamma_red'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['gamma_green'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['gamma_blue'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header['ciexyz_red'] = getid3_lib::FixedPoint2_30(strrev($thisfile_bmp_header_raw['ciexyz_red']));
$thisfile_bmp_header['ciexyz_green'] = getid3_lib::FixedPoint2_30(strrev($thisfile_bmp_header_raw['ciexyz_green']));
$thisfile_bmp_header['ciexyz_blue'] = getid3_lib::FixedPoint2_30(strrev($thisfile_bmp_header_raw['ciexyz_blue']));
}
if ($thisfile_bmp['type_version'] >= 5) {
$BMPheader .= $this->fread(16);
// BITMAPV5HEADER - [16 bytes] - http://msdn.microsoft.com/library/en-us/gdi/bitmaps_7c36.asp
// Win98+, Win2000+
// DWORD bV5Intent;
// DWORD bV5ProfileData;
// DWORD bV5ProfileSize;
// DWORD bV5Reserved;
$thisfile_bmp_header_raw['intent'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['profile_data_offset'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['profile_data_size'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
$thisfile_bmp_header_raw['reserved3'] = getid3_lib::LittleEndian2Int(substr($BMPheader, $offset, 4));
$offset += 4;
}
} else {
$this->error('Unknown BMP format in header.');
return false;
}
if ($this->ExtractPalette || $this->ExtractData) {
$PaletteEntries = 0;
if ($thisfile_bmp_header_raw['bits_per_pixel'] < 16) {
$PaletteEntries = pow(2, $thisfile_bmp_header_raw['bits_per_pixel']);
} elseif (isset($thisfile_bmp_header_raw['colors_used']) && ($thisfile_bmp_header_raw['colors_used'] > 0) && ($thisfile_bmp_header_raw['colors_used'] <= 256)) {
$PaletteEntries = $thisfile_bmp_header_raw['colors_used'];
}
if ($PaletteEntries > 0) {
$BMPpalette = $this->fread(4 * $PaletteEntries);
$paletteoffset = 0;
for ($i = 0; $i < $PaletteEntries; $i++) {
// RGBQUAD - http://msdn.microsoft.com/library/en-us/gdi/bitmaps_5f8y.asp
// BYTE rgbBlue;
// BYTE rgbGreen;
// BYTE rgbRed;
// BYTE rgbReserved;
$blue = getid3_lib::LittleEndian2Int(substr($BMPpalette, $paletteoffset++, 1));
$green = getid3_lib::LittleEndian2Int(substr($BMPpalette, $paletteoffset++, 1));
$red = getid3_lib::LittleEndian2Int(substr($BMPpalette, $paletteoffset++, 1));
if (($thisfile_bmp['type_os'] == 'OS/2') && ($thisfile_bmp['type_version'] == 1)) {
// no padding byte
} else {
$paletteoffset++; // padding byte
}
$thisfile_bmp['palette'][$i] = (($red << 16) | ($green << 8) | $blue);
}
}
}
if ($this->ExtractData) {
if (!$thisfile_bmp_header_raw['width'] || !$thisfile_bmp_header_raw['height']) {
$thisfile_bmp['data'] = array();
} else {
$this->fseek($thisfile_bmp_header_raw['data_offset']);
$RowByteLength = ceil(($thisfile_bmp_header_raw['width'] * ($thisfile_bmp_header_raw['bits_per_pixel'] / 8)) / 4) * 4; // round up to nearest DWORD boundry
$BMPpixelData = $this->fread($thisfile_bmp_header_raw['height'] * $RowByteLength);
$pixeldataoffset = 0;
$thisfile_bmp_header_raw['compression'] = (isset($thisfile_bmp_header_raw['compression']) ? $thisfile_bmp_header_raw['compression'] : '');
switch ($thisfile_bmp_header_raw['compression']) {
case 0: // BI_RGB
switch ($thisfile_bmp_header_raw['bits_per_pixel']) {
case 1:
for ($row = ($thisfile_bmp_header_raw['height'] - 1); $row >= 0; $row--) {
for ($col = 0; $col < $thisfile_bmp_header_raw['width']; $col = $col) {
$paletteindexbyte = ord($BMPpixelData[$pixeldataoffset++]);
for ($i = 7; $i >= 0; $i--) {
$paletteindex = ($paletteindexbyte & (0x01 << $i)) >> $i;
$thisfile_bmp['data'][$row][$col] = $thisfile_bmp['palette'][$paletteindex];
$col++;
}
}
while (($pixeldataoffset % 4) != 0) {
// lines are padded to nearest DWORD
$pixeldataoffset++;
}
}
break;
case 4:
for ($row = ($thisfile_bmp_header_raw['height'] - 1); $row >= 0; $row--) {
for ($col = 0; $col < $thisfile_bmp_header_raw['width']; $col = $col) {
$paletteindexbyte = ord($BMPpixelData[$pixeldataoffset++]);
for ($i = 1; $i >= 0; $i--) {
$paletteindex = ($paletteindexbyte & (0x0F << (4 * $i))) >> (4 * $i);
$thisfile_bmp['data'][$row][$col] = $thisfile_bmp['palette'][$paletteindex];
$col++;
}
}
while (($pixeldataoffset % 4) != 0) {
// lines are padded to nearest DWORD
$pixeldataoffset++;
}
}
break;
case 8:
for ($row = ($thisfile_bmp_header_raw['height'] - 1); $row >= 0; $row--) {
for ($col = 0; $col < $thisfile_bmp_header_raw['width']; $col++) {
$paletteindex = ord($BMPpixelData[$pixeldataoffset++]);
$thisfile_bmp['data'][$row][$col] = $thisfile_bmp['palette'][$paletteindex];
}
while (($pixeldataoffset % 4) != 0) {
// lines are padded to nearest DWORD
$pixeldataoffset++;
}
}
break;
case 24:
for ($row = ($thisfile_bmp_header_raw['height'] - 1); $row >= 0; $row--) {
for ($col = 0; $col < $thisfile_bmp_header_raw['width']; $col++) {
$thisfile_bmp['data'][$row][$col] = (ord($BMPpixelData[$pixeldataoffset+2]) << 16) | (ord($BMPpixelData[$pixeldataoffset+1]) << 8) | ord($BMPpixelData[$pixeldataoffset]);
$pixeldataoffset += 3;
}
while (($pixeldataoffset % 4) != 0) {
// lines are padded to nearest DWORD
$pixeldataoffset++;
}
}
break;
case 32:
for ($row = ($thisfile_bmp_header_raw['height'] - 1); $row >= 0; $row--) {
for ($col = 0; $col < $thisfile_bmp_header_raw['width']; $col++) {
$thisfile_bmp['data'][$row][$col] = (ord($BMPpixelData[$pixeldataoffset+3]) << 24) | (ord($BMPpixelData[$pixeldataoffset+2]) << 16) | (ord($BMPpixelData[$pixeldataoffset+1]) << 8) | ord($BMPpixelData[$pixeldataoffset]);
$pixeldataoffset += 4;
}
while (($pixeldataoffset % 4) != 0) {
// lines are padded to nearest DWORD
$pixeldataoffset++;
}
}
break;
case 16:
// ?
break;
default:
$this->error('Unknown bits-per-pixel value ('.$thisfile_bmp_header_raw['bits_per_pixel'].') - cannot read pixel data');
break;
}
break;
case 1: // BI_RLE8 - http://msdn.microsoft.com/library/en-us/gdi/bitmaps_6x0u.asp
switch ($thisfile_bmp_header_raw['bits_per_pixel']) {
case 8:
$pixelcounter = 0;
while ($pixeldataoffset < strlen($BMPpixelData)) {
$firstbyte = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$secondbyte = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
if ($firstbyte == 0) {
// escaped/absolute mode - the first byte of the pair can be set to zero to
// indicate an escape character that denotes the end of a line, the end of
// a bitmap, or a delta, depending on the value of the second byte.
switch ($secondbyte) {
case 0:
// end of line
// no need for special processing, just ignore
break;
case 1:
// end of bitmap
$pixeldataoffset = strlen($BMPpixelData); // force to exit loop just in case
break;
case 2:
// delta - The 2 bytes following the escape contain unsigned values
// indicating the horizontal and vertical offsets of the next pixel
// from the current position.
$colincrement = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$rowincrement = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$col = ($pixelcounter % $thisfile_bmp_header_raw['width']) + $colincrement;
$row = ($thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width'])) - $rowincrement;
$pixelcounter = ($row * $thisfile_bmp_header_raw['width']) + $col;
break;
default:
// In absolute mode, the first byte is zero and the second byte is a
// value in the range 03H through FFH. The second byte represents the
// number of bytes that follow, each of which contains the color index
// of a single pixel. Each run must be aligned on a word boundary.
for ($i = 0; $i < $secondbyte; $i++) {
$paletteindex = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$col = $pixelcounter % $thisfile_bmp_header_raw['width'];
$row = $thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width']);
$thisfile_bmp['data'][$row][$col] = $thisfile_bmp['palette'][$paletteindex];
$pixelcounter++;
}
while (($pixeldataoffset % 2) != 0) {
// Each run must be aligned on a word boundary.
$pixeldataoffset++;
}
break;
}
} else {
// encoded mode - the first byte specifies the number of consecutive pixels
// to be drawn using the color index contained in the second byte.
for ($i = 0; $i < $firstbyte; $i++) {
$col = $pixelcounter % $thisfile_bmp_header_raw['width'];
$row = $thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width']);
$thisfile_bmp['data'][$row][$col] = $thisfile_bmp['palette'][$secondbyte];
$pixelcounter++;
}
}
}
break;
default:
$this->error('Unknown bits-per-pixel value ('.$thisfile_bmp_header_raw['bits_per_pixel'].') - cannot read pixel data');
break;
}
break;
case 2: // BI_RLE4 - http://msdn.microsoft.com/library/en-us/gdi/bitmaps_6x0u.asp
switch ($thisfile_bmp_header_raw['bits_per_pixel']) {
case 4:
$pixelcounter = 0;
$paletteindexes = array();
while ($pixeldataoffset < strlen($BMPpixelData)) {
$firstbyte = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$secondbyte = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
if ($firstbyte == 0) {
// escaped/absolute mode - the first byte of the pair can be set to zero to
// indicate an escape character that denotes the end of a line, the end of
// a bitmap, or a delta, depending on the value of the second byte.
switch ($secondbyte) {
case 0:
// end of line
// no need for special processing, just ignore
break;
case 1:
// end of bitmap
$pixeldataoffset = strlen($BMPpixelData); // force to exit loop just in case
break;
case 2:
// delta - The 2 bytes following the escape contain unsigned values
// indicating the horizontal and vertical offsets of the next pixel
// from the current position.
$colincrement = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$rowincrement = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$col = ($pixelcounter % $thisfile_bmp_header_raw['width']) + $colincrement;
$row = ($thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width'])) - $rowincrement;
$pixelcounter = ($row * $thisfile_bmp_header_raw['width']) + $col;
break;
default:
// In absolute mode, the first byte is zero. The second byte contains the number
// of color indexes that follow. Subsequent bytes contain color indexes in their
// high- and low-order 4 bits, one color index for each pixel. In absolute mode,
// each run must be aligned on a word boundary.
$paletteindexes = array();
for ($i = 0; $i < ceil($secondbyte / 2); $i++) {
$paletteindexbyte = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1));
$paletteindexes[] = ($paletteindexbyte & 0xF0) >> 4;
$paletteindexes[] = ($paletteindexbyte & 0x0F);
}
while (($pixeldataoffset % 2) != 0) {
// Each run must be aligned on a word boundary.
$pixeldataoffset++;
}
foreach ($paletteindexes as $paletteindex) {
$col = $pixelcounter % $thisfile_bmp_header_raw['width'];
$row = $thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width']);
$thisfile_bmp['data'][$row][$col] = $thisfile_bmp['palette'][$paletteindex];
$pixelcounter++;
}
break;
}
} else {
// encoded mode - the first byte of the pair contains the number of pixels to be
// drawn using the color indexes in the second byte. The second byte contains two
// color indexes, one in its high-order 4 bits and one in its low-order 4 bits.
// The first of the pixels is drawn using the color specified by the high-order
// 4 bits, the second is drawn using the color in the low-order 4 bits, the third
// is drawn using the color in the high-order 4 bits, and so on, until all the
// pixels specified by the first byte have been drawn.
$paletteindexes[0] = ($secondbyte & 0xF0) >> 4;
$paletteindexes[1] = ($secondbyte & 0x0F);
for ($i = 0; $i < $firstbyte; $i++) {
$col = $pixelcounter % $thisfile_bmp_header_raw['width'];
$row = $thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width']);
$thisfile_bmp['data'][$row][$col] = $thisfile_bmp['palette'][$paletteindexes[($i % 2)]];
$pixelcounter++;
}
}
}
break;
default:
$this->error('Unknown bits-per-pixel value ('.$thisfile_bmp_header_raw['bits_per_pixel'].') - cannot read pixel data');
break;
}
break;
case 3: // BI_BITFIELDS
switch ($thisfile_bmp_header_raw['bits_per_pixel']) {
case 16:
case 32:
$redshift = 0;
$greenshift = 0;
$blueshift = 0;
while ((($thisfile_bmp_header_raw['red_mask'] >> $redshift) & 0x01) == 0) {
$redshift++;
}
while ((($thisfile_bmp_header_raw['green_mask'] >> $greenshift) & 0x01) == 0) {
$greenshift++;
}
while ((($thisfile_bmp_header_raw['blue_mask'] >> $blueshift) & 0x01) == 0) {
$blueshift++;
}
for ($row = ($thisfile_bmp_header_raw['height'] - 1); $row >= 0; $row--) {
for ($col = 0; $col < $thisfile_bmp_header_raw['width']; $col++) {
$pixelvalue = getid3_lib::LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset, $thisfile_bmp_header_raw['bits_per_pixel'] / 8));
$pixeldataoffset += $thisfile_bmp_header_raw['bits_per_pixel'] / 8;
$red = intval(round(((($pixelvalue & $thisfile_bmp_header_raw['red_mask']) >> $redshift) / ($thisfile_bmp_header_raw['red_mask'] >> $redshift)) * 255));
$green = intval(round(((($pixelvalue & $thisfile_bmp_header_raw['green_mask']) >> $greenshift) / ($thisfile_bmp_header_raw['green_mask'] >> $greenshift)) * 255));
$blue = intval(round(((($pixelvalue & $thisfile_bmp_header_raw['blue_mask']) >> $blueshift) / ($thisfile_bmp_header_raw['blue_mask'] >> $blueshift)) * 255));
$thisfile_bmp['data'][$row][$col] = (($red << 16) | ($green << 8) | ($blue));
}
while (($pixeldataoffset % 4) != 0) {
// lines are padded to nearest DWORD
$pixeldataoffset++;
}
}
break;
default:
$this->error('Unknown bits-per-pixel value ('.$thisfile_bmp_header_raw['bits_per_pixel'].') - cannot read pixel data');
break;
}
break;
default: // unhandled compression type
$this->error('Unknown/unhandled compression type value ('.$thisfile_bmp_header_raw['compression'].') - cannot decompress pixel data');
break;
}
}
}
return true;
}
/**
* @param array $BMPinfo
*
* @return bool
*/
public function PlotBMP(&$BMPinfo) {
$starttime = time();
if (!isset($BMPinfo['bmp']['data']) || !is_array($BMPinfo['bmp']['data'])) {
echo 'ERROR: no pixel data<BR>';
return false;
}
set_time_limit(intval(round($BMPinfo['resolution_x'] * $BMPinfo['resolution_y'] / 10000)));
if ($im = imagecreatetruecolor($BMPinfo['resolution_x'], $BMPinfo['resolution_y'])) {
for ($row = 0; $row < $BMPinfo['resolution_y']; $row++) {
for ($col = 0; $col < $BMPinfo['resolution_x']; $col++) {
if (isset($BMPinfo['bmp']['data'][$row][$col])) {
$red = ($BMPinfo['bmp']['data'][$row][$col] & 0x00FF0000) >> 16;
$green = ($BMPinfo['bmp']['data'][$row][$col] & 0x0000FF00) >> 8;
$blue = ($BMPinfo['bmp']['data'][$row][$col] & 0x000000FF);
$pixelcolor = imagecolorallocate($im, $red, $green, $blue);
imagesetpixel($im, $col, $row, $pixelcolor);
} else {
//echo 'ERROR: no data for pixel '.$row.' x '.$col.'<BR>';
//return false;
}
}
}
if (headers_sent()) {
echo 'plotted '.($BMPinfo['resolution_x'] * $BMPinfo['resolution_y']).' pixels in '.(time() - $starttime).' seconds<BR>';
imagedestroy($im);
exit;
} else {
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
return true;
}
}
return false;
}
/**
* @param int $compressionid
*
* @return string
*/
public function BMPcompressionWindowsLookup($compressionid) {
static $BMPcompressionWindowsLookup = array(
0 => 'BI_RGB',
1 => 'BI_RLE8',
2 => 'BI_RLE4',
3 => 'BI_BITFIELDS',
4 => 'BI_JPEG',
5 => 'BI_PNG'
);
return (isset($BMPcompressionWindowsLookup[$compressionid]) ? $BMPcompressionWindowsLookup[$compressionid] : 'invalid');
}
/**
* @param int $compressionid
*
* @return string
*/
public function BMPcompressionOS2Lookup($compressionid) {
static $BMPcompressionOS2Lookup = array(
0 => 'BI_RGB',
1 => 'BI_RLE8',
2 => 'BI_RLE4',
3 => 'Huffman 1D',
4 => 'BI_RLE24',
);
return (isset($BMPcompressionOS2Lookup[$compressionid]) ? $BMPcompressionOS2Lookup[$compressionid] : 'invalid');
}
}

View File

@ -0,0 +1,54 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.efax.php //
// module for analyzing eFax files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_efax extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$efaxheader = $this->fread(1024);
$info['efax']['header']['magic'] = substr($efaxheader, 0, 2);
if ($info['efax']['header']['magic'] != "\xDC\xFE") {
$this->error('Invalid eFax byte order identifier (expecting DC FE, found '.getid3_lib::PrintHexBytes($info['efax']['header']['magic']).') at offset '.$info['avdataoffset']);
return false;
}
$info['fileformat'] = 'efax';
$info['efax']['header']['filesize'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 2, 4));
if ($info['efax']['header']['filesize'] != $info['filesize']) {
$this->error('Probable '.(($info['efax']['header']['filesize'] > $info['filesize']) ? 'truncated' : 'corrupt').' file, expecting '.$info['efax']['header']['filesize'].' bytes, found '.$info['filesize'].' bytes');
}
$info['efax']['header']['software1'] = rtrim(substr($efaxheader, 26, 32), "\x00");
$info['efax']['header']['software2'] = rtrim(substr($efaxheader, 58, 32), "\x00");
$info['efax']['header']['software3'] = rtrim(substr($efaxheader, 90, 32), "\x00");
$info['efax']['header']['pages'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 198, 2));
$info['efax']['header']['data_bytes'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 202, 4));
$this->error('eFax parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
}

View File

@ -0,0 +1,235 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.gif.php //
// module for analyzing GIF Image files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
/**
* @link https://www.w3.org/Graphics/GIF/spec-gif89a.txt
* @link http://www.matthewflickinger.com/lab/whatsinagif/bits_and_bytes.asp
* @link http://www.vurdalakov.net/misc/gif/netscape-looping-application-extension
*/
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_gif extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'gif';
$info['video']['dataformat'] = 'gif';
$info['video']['lossless'] = true;
$info['video']['pixel_aspect_ratio'] = (float) 1;
$this->fseek($info['avdataoffset']);
$GIFheader = $this->fread(13);
$offset = 0;
$info['gif']['header']['raw']['identifier'] = substr($GIFheader, $offset, 3);
$offset += 3;
$magic = 'GIF';
if ($info['gif']['header']['raw']['identifier'] != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($info['gif']['header']['raw']['identifier']).'"');
unset($info['fileformat']);
unset($info['gif']);
return false;
}
//if (!$this->getid3->option_extra_info) {
// $this->warning('GIF Extensions and Global Color Table not returned due to !getid3->option_extra_info');
//}
$info['gif']['header']['raw']['version'] = substr($GIFheader, $offset, 3);
$offset += 3;
$info['gif']['header']['raw']['width'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 2));
$offset += 2;
$info['gif']['header']['raw']['height'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 2));
$offset += 2;
$info['gif']['header']['raw']['flags'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 1));
$offset += 1;
$info['gif']['header']['raw']['bg_color_index'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 1));
$offset += 1;
$info['gif']['header']['raw']['aspect_ratio'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 1));
$offset += 1;
$info['video']['resolution_x'] = $info['gif']['header']['raw']['width'];
$info['video']['resolution_y'] = $info['gif']['header']['raw']['height'];
$info['gif']['version'] = $info['gif']['header']['raw']['version'];
$info['gif']['header']['flags']['global_color_table'] = (bool) ($info['gif']['header']['raw']['flags'] & 0x80);
if ($info['gif']['header']['raw']['flags'] & 0x80) {
// Number of bits per primary color available to the original image, minus 1
$info['gif']['header']['bits_per_pixel'] = 3 * ((($info['gif']['header']['raw']['flags'] & 0x70) >> 4) + 1);
} else {
$info['gif']['header']['bits_per_pixel'] = 0;
}
$info['gif']['header']['flags']['global_color_sorted'] = (bool) ($info['gif']['header']['raw']['flags'] & 0x40);
if ($info['gif']['header']['flags']['global_color_table']) {
// the number of bytes contained in the Global Color Table. To determine that
// actual size of the color table, raise 2 to [the value of the field + 1]
$info['gif']['header']['global_color_size'] = pow(2, ($info['gif']['header']['raw']['flags'] & 0x07) + 1);
$info['video']['bits_per_sample'] = ($info['gif']['header']['raw']['flags'] & 0x07) + 1;
} else {
$info['gif']['header']['global_color_size'] = 0;
}
if ($info['gif']['header']['raw']['aspect_ratio'] != 0) {
// Aspect Ratio = (Pixel Aspect Ratio + 15) / 64
$info['gif']['header']['aspect_ratio'] = ($info['gif']['header']['raw']['aspect_ratio'] + 15) / 64;
}
if ($info['gif']['header']['flags']['global_color_table']) {
$GIFcolorTable = $this->fread(3 * $info['gif']['header']['global_color_size']);
if ($this->getid3->option_extra_info) {
$offset = 0;
for ($i = 0; $i < $info['gif']['header']['global_color_size']; $i++) {
$red = getid3_lib::LittleEndian2Int(substr($GIFcolorTable, $offset++, 1));
$green = getid3_lib::LittleEndian2Int(substr($GIFcolorTable, $offset++, 1));
$blue = getid3_lib::LittleEndian2Int(substr($GIFcolorTable, $offset++, 1));
$info['gif']['global_color_table'][$i] = (($red << 16) | ($green << 8) | ($blue));
$info['gif']['global_color_table_rgb'][$i] = sprintf('%02X%02X%02X', $red, $green, $blue);
}
}
}
// Image Descriptor
$info['gif']['animation']['animated'] = false;
while (!feof($this->getid3->fp)) {
$NextBlockTest = $this->fread(1);
switch ($NextBlockTest) {
/*
case ',': // ',' - Image separator character
$ImageDescriptorData = $NextBlockTest.$this->fread(9);
$ImageDescriptor = array();
$ImageDescriptor['image_left'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 1, 2));
$ImageDescriptor['image_top'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 3, 2));
$ImageDescriptor['image_width'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 5, 2));
$ImageDescriptor['image_height'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 7, 2));
$ImageDescriptor['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 9, 1));
$ImageDescriptor['flags']['use_local_color_map'] = (bool) ($ImageDescriptor['flags_raw'] & 0x80);
$ImageDescriptor['flags']['image_interlaced'] = (bool) ($ImageDescriptor['flags_raw'] & 0x40);
$info['gif']['image_descriptor'][] = $ImageDescriptor;
if ($ImageDescriptor['flags']['use_local_color_map']) {
$this->warning('This version of getID3() cannot parse local color maps for GIFs');
return true;
}
$RasterData = array();
$RasterData['code_size'] = getid3_lib::LittleEndian2Int($this->fread(1));
$RasterData['block_byte_count'] = getid3_lib::LittleEndian2Int($this->fread(1));
$info['gif']['raster_data'][count($info['gif']['image_descriptor']) - 1] = $RasterData;
$CurrentCodeSize = $RasterData['code_size'] + 1;
for ($i = 0; $i < pow(2, $RasterData['code_size']); $i++) {
$DefaultDataLookupTable[$i] = chr($i);
}
$DefaultDataLookupTable[pow(2, $RasterData['code_size']) + 0] = ''; // Clear Code
$DefaultDataLookupTable[pow(2, $RasterData['code_size']) + 1] = ''; // End Of Image Code
$NextValue = $this->GetLSBits($CurrentCodeSize);
echo 'Clear Code: '.$NextValue.'<BR>';
$NextValue = $this->GetLSBits($CurrentCodeSize);
echo 'First Color: '.$NextValue.'<BR>';
$Prefix = $NextValue;
$i = 0;
while ($i++ < 20) {
$NextValue = $this->GetLSBits($CurrentCodeSize);
echo $NextValue.'<br>';
}
echo 'escaping<br>';
return true;
break;
*/
case '!':
// GIF Extension Block
$ExtensionBlockData = $NextBlockTest.$this->fread(2);
$ExtensionBlock = array();
$ExtensionBlock['function_code'] = getid3_lib::LittleEndian2Int(substr($ExtensionBlockData, 1, 1));
$ExtensionBlock['byte_length'] = getid3_lib::LittleEndian2Int(substr($ExtensionBlockData, 2, 1));
$ExtensionBlock['data'] = (($ExtensionBlock['byte_length'] > 0) ? $this->fread($ExtensionBlock['byte_length']) : null);
switch ($ExtensionBlock['function_code']) {
case 0xFF:
// Application Extension
if ($ExtensionBlock['byte_length'] != 11) {
$this->warning('Expected block size of the Application Extension is 11 bytes, found '.$ExtensionBlock['byte_length'].' at offset '.$this->ftell());
break;
}
if (substr($ExtensionBlock['data'], 0, 11) !== 'NETSCAPE2.0'
&& substr($ExtensionBlock['data'], 0, 11) !== 'ANIMEXTS1.0'
) {
$this->warning('Ignoring unsupported Application Extension '.substr($ExtensionBlock['data'], 0, 11));
break;
}
// Netscape Application Block (NAB)
$ExtensionBlock['data'] .= $this->fread(4);
if (substr($ExtensionBlock['data'], 11, 2) == "\x03\x01") {
$info['gif']['animation']['animated'] = true;
$info['gif']['animation']['loop_count'] = getid3_lib::LittleEndian2Int(substr($ExtensionBlock['data'], 13, 2));
} else {
$this->warning('Expecting 03 01 at offset '.($this->ftell() - 4).', found "'.getid3_lib::PrintHexBytes(substr($ExtensionBlock['data'], 11, 2)).'"');
}
break;
}
if ($this->getid3->option_extra_info) {
$info['gif']['extension_blocks'][] = $ExtensionBlock;
}
break;
case ';':
$info['gif']['terminator_offset'] = $this->ftell() - 1;
// GIF Terminator
break;
default:
break;
}
}
return true;
}
/**
* @param int $bits
*
* @return float|int
*/
public function GetLSBits($bits) {
static $bitbuffer = '';
while (strlen($bitbuffer) < $bits) {
$bitbuffer = str_pad(decbin(ord($this->fread(1))), 8, '0', STR_PAD_LEFT).$bitbuffer;
}
$value = bindec(substr($bitbuffer, 0 - $bits));
$bitbuffer = substr($bitbuffer, 0, 0 - $bits);
return $value;
}
}

View File

@ -0,0 +1,365 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.jpg.php //
// module for analyzing JPEG Image files //
// dependencies: PHP compiled with --enable-exif (optional) //
// module.tag.xmp.php (optional) //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_jpg extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'jpg';
$info['video']['dataformat'] = 'jpg';
$info['video']['lossless'] = false;
$info['video']['bits_per_sample'] = 24;
$info['video']['pixel_aspect_ratio'] = (float) 1;
$this->fseek($info['avdataoffset']);
$imageinfo = array();
//list($width, $height, $type) = getid3_lib::GetDataImageSize($this->fread($info['filesize']), $imageinfo);
list($width, $height, $type) = getimagesize($info['filenamepath'], $imageinfo); // https://www.getid3.org/phpBB3/viewtopic.php?t=1474
if (isset($imageinfo['APP13'])) {
// http://php.net/iptcparse
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
$iptc_parsed = iptcparse($imageinfo['APP13']);
if (is_array($iptc_parsed)) {
foreach ($iptc_parsed as $iptc_key_raw => $iptc_values) {
list($iptc_record, $iptc_tagkey) = explode('#', $iptc_key_raw);
$iptc_tagkey = intval(ltrim($iptc_tagkey, '0'));
foreach ($iptc_values as $key => $value) {
$IPTCrecordName = $this->IPTCrecordName($iptc_record);
$IPTCrecordTagName = $this->IPTCrecordTagName($iptc_record, $iptc_tagkey);
if (isset($info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName])) {
$info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName][] = $value;
} else {
$info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName] = array($value);
}
}
}
}
}
$returnOK = false;
switch ($type) {
case IMAGETYPE_JPEG:
$info['video']['resolution_x'] = $width;
$info['video']['resolution_y'] = $height;
if (isset($imageinfo['APP1'])) {
if (function_exists('exif_read_data')) {
if (substr($imageinfo['APP1'], 0, 4) == 'Exif') {
//$this->warning('known issue: https://bugs.php.net/bug.php?id=62523');
//return false;
set_error_handler(function($errno, $errstr, $errfile, $errline) { // https://github.com/JamesHeinrich/getID3/issues/275
if (!(error_reporting() & $errno)) {
// error is not specified in the error_reporting setting, so we ignore it
return false;
}
$this->warning('Error parsing EXIF data ('.$errstr.')');
});
$info['jpg']['exif'] = exif_read_data($info['filenamepath'], null, true, false);
restore_error_handler();
} else {
$this->warning('exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "'.substr($imageinfo['APP1'], 0, 4).'")');
}
} else {
$this->warning('EXIF parsing only available when '.(GETID3_OS_ISWINDOWS ? 'php_exif.dll enabled' : 'compiled with --enable-exif'));
}
}
$returnOK = true;
break;
default:
break;
}
$cast_as_appropriate_keys = array('EXIF', 'IFD0', 'THUMBNAIL');
foreach ($cast_as_appropriate_keys as $exif_key) {
if (isset($info['jpg']['exif'][$exif_key])) {
foreach ($info['jpg']['exif'][$exif_key] as $key => $value) {
$info['jpg']['exif'][$exif_key][$key] = $this->CastAsAppropriate($value);
}
}
}
if (isset($info['jpg']['exif']['GPS'])) {
if (isset($info['jpg']['exif']['GPS']['GPSVersion'])) {
$version_subparts = array();
for ($i = 0; $i < 4; $i++) {
$version_subparts[$i] = ord(substr($info['jpg']['exif']['GPS']['GPSVersion'], $i, 1));
}
$info['jpg']['exif']['GPS']['computed']['version'] = 'v'.implode('.', $version_subparts);
}
if (isset($info['jpg']['exif']['GPS']['GPSDateStamp'])) {
$explodedGPSDateStamp = explode(':', $info['jpg']['exif']['GPS']['GPSDateStamp']);
$computed_time[5] = (isset($explodedGPSDateStamp[0]) ? $explodedGPSDateStamp[0] : '');
$computed_time[3] = (isset($explodedGPSDateStamp[1]) ? $explodedGPSDateStamp[1] : '');
$computed_time[4] = (isset($explodedGPSDateStamp[2]) ? $explodedGPSDateStamp[2] : '');
$computed_time = array(0=>0, 1=>0, 2=>0, 3=>0, 4=>0, 5=>0);
if (isset($info['jpg']['exif']['GPS']['GPSTimeStamp']) && is_array($info['jpg']['exif']['GPS']['GPSTimeStamp'])) {
foreach ($info['jpg']['exif']['GPS']['GPSTimeStamp'] as $key => $value) {
$computed_time[$key] = getid3_lib::DecimalizeFraction($value);
}
}
$info['jpg']['exif']['GPS']['computed']['timestamp'] = gmmktime($computed_time[0], $computed_time[1], $computed_time[2], $computed_time[3], $computed_time[4], $computed_time[5]);
}
if (isset($info['jpg']['exif']['GPS']['GPSLatitude']) && is_array($info['jpg']['exif']['GPS']['GPSLatitude'])) {
$direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLatitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLatitudeRef'] == 'S')) ? -1 : 1);
$computed_latitude = array();
foreach ($info['jpg']['exif']['GPS']['GPSLatitude'] as $key => $value) {
$computed_latitude[$key] = getid3_lib::DecimalizeFraction($value);
}
$info['jpg']['exif']['GPS']['computed']['latitude'] = $direction_multiplier * ($computed_latitude[0] + ($computed_latitude[1] / 60) + ($computed_latitude[2] / 3600));
}
if (isset($info['jpg']['exif']['GPS']['GPSLongitude']) && is_array($info['jpg']['exif']['GPS']['GPSLongitude'])) {
$direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLongitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLongitudeRef'] == 'W')) ? -1 : 1);
$computed_longitude = array();
foreach ($info['jpg']['exif']['GPS']['GPSLongitude'] as $key => $value) {
$computed_longitude[$key] = getid3_lib::DecimalizeFraction($value);
}
$info['jpg']['exif']['GPS']['computed']['longitude'] = $direction_multiplier * ($computed_longitude[0] + ($computed_longitude[1] / 60) + ($computed_longitude[2] / 3600));
}
if (isset($info['jpg']['exif']['GPS']['GPSAltitudeRef'])) {
$info['jpg']['exif']['GPS']['GPSAltitudeRef'] = ord($info['jpg']['exif']['GPS']['GPSAltitudeRef']); // 0 = above sea level; 1 = below sea level
}
if (isset($info['jpg']['exif']['GPS']['GPSAltitude'])) {
$direction_multiplier = (!empty($info['jpg']['exif']['GPS']['GPSAltitudeRef']) ? -1 : 1); // 0 = above sea level; 1 = below sea level
$info['jpg']['exif']['GPS']['computed']['altitude'] = $direction_multiplier * getid3_lib::DecimalizeFraction($info['jpg']['exif']['GPS']['GPSAltitude']);
}
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.xmp.php', __FILE__, true);
if (isset($info['filenamepath'])) {
$image_xmp = new Image_XMP($info['filenamepath']);
$xmp_raw = $image_xmp->getAllTags();
foreach ($xmp_raw as $key => $value) {
if (strpos($key, ':')) {
list($subsection, $tagname) = explode(':', $key);
$info['xmp'][$subsection][$tagname] = $this->CastAsAppropriate($value);
} else {
$this->warning('XMP: expecting "<subsection>:<tagname>", found "'.$key.'"');
}
}
}
if (!$returnOK) {
unset($info['fileformat']);
return false;
}
return true;
}
/**
* @param mixed $value
*
* @return mixed
*/
public function CastAsAppropriate($value) {
if (is_array($value) || is_null($value)) {
return $value;
} elseif (preg_match('#^[0-9]+/[0-9]+$#', $value)) {
return getid3_lib::DecimalizeFraction($value);
} elseif (preg_match('#^[0-9]+$#', $value)) {
return getid3_lib::CastAsInt($value);
} elseif (preg_match('#^[0-9\.]+$#', $value)) {
return (float) $value;
}
return $value;
}
/**
* @param int $iptc_record
*
* @return string
*/
public function IPTCrecordName($iptc_record) {
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
static $IPTCrecordName = array();
if (empty($IPTCrecordName)) {
$IPTCrecordName = array(
1 => 'IPTCEnvelope',
2 => 'IPTCApplication',
3 => 'IPTCNewsPhoto',
7 => 'IPTCPreObjectData',
8 => 'IPTCObjectData',
9 => 'IPTCPostObjectData',
);
}
return (isset($IPTCrecordName[$iptc_record]) ? $IPTCrecordName[$iptc_record] : '');
}
/**
* @param int $iptc_record
* @param int $iptc_tagkey
*
* @return string
*/
public function IPTCrecordTagName($iptc_record, $iptc_tagkey) {
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
static $IPTCrecordTagName = array();
if (empty($IPTCrecordTagName)) {
$IPTCrecordTagName = array(
1 => array( // IPTC EnvelopeRecord Tags
0 => 'EnvelopeRecordVersion',
5 => 'Destination',
20 => 'FileFormat',
22 => 'FileVersion',
30 => 'ServiceIdentifier',
40 => 'EnvelopeNumber',
50 => 'ProductID',
60 => 'EnvelopePriority',
70 => 'DateSent',
80 => 'TimeSent',
90 => 'CodedCharacterSet',
100 => 'UniqueObjectName',
120 => 'ARMIdentifier',
122 => 'ARMVersion',
),
2 => array( // IPTC ApplicationRecord Tags
0 => 'ApplicationRecordVersion',
3 => 'ObjectTypeReference',
4 => 'ObjectAttributeReference',
5 => 'ObjectName',
7 => 'EditStatus',
8 => 'EditorialUpdate',
10 => 'Urgency',
12 => 'SubjectReference',
15 => 'Category',
20 => 'SupplementalCategories',
22 => 'FixtureIdentifier',
25 => 'Keywords',
26 => 'ContentLocationCode',
27 => 'ContentLocationName',
30 => 'ReleaseDate',
35 => 'ReleaseTime',
37 => 'ExpirationDate',
38 => 'ExpirationTime',
40 => 'SpecialInstructions',
42 => 'ActionAdvised',
45 => 'ReferenceService',
47 => 'ReferenceDate',
50 => 'ReferenceNumber',
55 => 'DateCreated',
60 => 'TimeCreated',
62 => 'DigitalCreationDate',
63 => 'DigitalCreationTime',
65 => 'OriginatingProgram',
70 => 'ProgramVersion',
75 => 'ObjectCycle',
80 => 'By-line',
85 => 'By-lineTitle',
90 => 'City',
92 => 'Sub-location',
95 => 'Province-State',
100 => 'Country-PrimaryLocationCode',
101 => 'Country-PrimaryLocationName',
103 => 'OriginalTransmissionReference',
105 => 'Headline',
110 => 'Credit',
115 => 'Source',
116 => 'CopyrightNotice',
118 => 'Contact',
120 => 'Caption-Abstract',
121 => 'LocalCaption',
122 => 'Writer-Editor',
125 => 'RasterizedCaption',
130 => 'ImageType',
131 => 'ImageOrientation',
135 => 'LanguageIdentifier',
150 => 'AudioType',
151 => 'AudioSamplingRate',
152 => 'AudioSamplingResolution',
153 => 'AudioDuration',
154 => 'AudioOutcue',
184 => 'JobID',
185 => 'MasterDocumentID',
186 => 'ShortDocumentID',
187 => 'UniqueDocumentID',
188 => 'OwnerID',
200 => 'ObjectPreviewFileFormat',
201 => 'ObjectPreviewFileVersion',
202 => 'ObjectPreviewData',
221 => 'Prefs',
225 => 'ClassifyState',
228 => 'SimilarityIndex',
230 => 'DocumentNotes',
231 => 'DocumentHistory',
232 => 'ExifCameraInfo',
),
3 => array( // IPTC NewsPhoto Tags
0 => 'NewsPhotoVersion',
10 => 'IPTCPictureNumber',
20 => 'IPTCImageWidth',
30 => 'IPTCImageHeight',
40 => 'IPTCPixelWidth',
50 => 'IPTCPixelHeight',
55 => 'SupplementalType',
60 => 'ColorRepresentation',
64 => 'InterchangeColorSpace',
65 => 'ColorSequence',
66 => 'ICC_Profile',
70 => 'ColorCalibrationMatrix',
80 => 'LookupTable',
84 => 'NumIndexEntries',
85 => 'ColorPalette',
86 => 'IPTCBitsPerSample',
90 => 'SampleStructure',
100 => 'ScanningDirection',
102 => 'IPTCImageRotation',
110 => 'DataCompressionMethod',
120 => 'QuantizationMethod',
125 => 'EndPoints',
130 => 'ExcursionTolerance',
135 => 'BitsPerComponent',
140 => 'MaximumDensityRange',
145 => 'GammaCompensatedValue',
),
7 => array( // IPTC PreObjectData Tags
10 => 'SizeMode',
20 => 'MaxSubfileSize',
90 => 'ObjectSizeAnnounced',
95 => 'MaximumObjectSize',
),
8 => array( // IPTC ObjectData Tags
10 => 'SubFile',
),
9 => array( // IPTC PostObjectData Tags
10 => 'ConfirmedObjectSize',
),
);
}
return (isset($IPTCrecordTagName[$iptc_record][$iptc_tagkey]) ? $IPTCrecordTagName[$iptc_record][$iptc_tagkey] : $iptc_tagkey);
}
}

View File

@ -0,0 +1,148 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.pcd.php //
// module for analyzing PhotoCD (PCD) Image files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_pcd extends getid3_handler
{
public $ExtractData = 0;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'pcd';
$info['video']['dataformat'] = 'pcd';
$info['video']['lossless'] = false;
$this->fseek($info['avdataoffset'] + 72);
$PCDflags = $this->fread(1);
$PCDisVertical = ((ord($PCDflags) & 0x01) ? true : false);
if ($PCDisVertical) {
$info['video']['resolution_x'] = 3072;
$info['video']['resolution_y'] = 2048;
} else {
$info['video']['resolution_x'] = 2048;
$info['video']['resolution_y'] = 3072;
}
if ($this->ExtractData > 3) {
$this->error('Cannot extract PSD image data for detail levels above BASE (level-3) because encrypted with Kodak-proprietary compression/encryption.');
return false;
} elseif ($this->ExtractData > 0) {
$PCD_levels = array();
$PCD_levels[1] = array( 192, 128, 0x02000); // BASE/16
$PCD_levels[2] = array( 384, 256, 0x0B800); // BASE/4
$PCD_levels[3] = array( 768, 512, 0x30000); // BASE
//$PCD_levels[4] = array(1536, 1024, ??); // BASE*4 - encrypted with Kodak-proprietary compression/encryption
//$PCD_levels[5] = array(3072, 2048, ??); // BASE*16 - encrypted with Kodak-proprietary compression/encryption
//$PCD_levels[6] = array(6144, 4096, ??); // BASE*64 - encrypted with Kodak-proprietary compression/encryption; PhotoCD-Pro only
list($PCD_width, $PCD_height, $PCD_dataOffset) = $PCD_levels[3];
$this->fseek($info['avdataoffset'] + $PCD_dataOffset);
for ($y = 0; $y < $PCD_height; $y += 2) {
// The image-data of these subtypes start at the respective offsets of 02000h, 0b800h and 30000h.
// To decode the YcbYr to the more usual RGB-code, three lines of data have to be read, each
// consisting of ‘w’ bytes, where ‘w’ is the width of the image-subtype. The first ‘w’ bytes and
// the first half of the third ‘w’ bytes contain data for the first RGB-line, the second ‘w’ bytes
// and the second half of the third ‘w’ bytes contain data for a second RGB-line.
$PCD_data_Y1 = $this->fread($PCD_width);
$PCD_data_Y2 = $this->fread($PCD_width);
$PCD_data_Cb = $this->fread(intval(round($PCD_width / 2)));
$PCD_data_Cr = $this->fread(intval(round($PCD_width / 2)));
for ($x = 0; $x < $PCD_width; $x++) {
if ($PCDisVertical) {
$info['pcd']['data'][$PCD_width - $x][$y] = $this->YCbCr2RGB(ord($PCD_data_Y1[$x]), ord($PCD_data_Cb[(int) floor($x / 2)]), ord($PCD_data_Cr[(int) floor($x / 2)]));
$info['pcd']['data'][$PCD_width - $x][$y + 1] = $this->YCbCr2RGB(ord($PCD_data_Y2[$x]), ord($PCD_data_Cb[(int) floor($x / 2)]), ord($PCD_data_Cr[(int) floor($x / 2)]));
} else {
$info['pcd']['data'][$y][$x] = $this->YCbCr2RGB(ord($PCD_data_Y1[$x]), ord($PCD_data_Cb[(int) floor($x / 2)]), ord($PCD_data_Cr[(int) floor($x / 2)]));
$info['pcd']['data'][$y + 1][$x] = $this->YCbCr2RGB(ord($PCD_data_Y2[$x]), ord($PCD_data_Cb[(int) floor($x / 2)]), ord($PCD_data_Cr[(int) floor($x / 2)]));
}
}
}
// Example for plotting extracted data
//getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, true);
//if ($PCDisVertical) {
// $BMPinfo['resolution_x'] = $PCD_height;
// $BMPinfo['resolution_y'] = $PCD_width;
//} else {
// $BMPinfo['resolution_x'] = $PCD_width;
// $BMPinfo['resolution_y'] = $PCD_height;
//}
//$BMPinfo['bmp']['data'] = $info['pcd']['data'];
//getid3_bmp::PlotBMP($BMPinfo);
//exit;
}
return false;
}
/**
* @param int $Y
* @param int $Cb
* @param int $Cr
*
* @return int
*/
public function YCbCr2RGB($Y, $Cb, $Cr) {
static $YCbCr_constants = array();
if (empty($YCbCr_constants)) {
$YCbCr_constants['red']['Y'] = 0.0054980 * 256;
$YCbCr_constants['red']['Cb'] = 0.0000000 * 256;
$YCbCr_constants['red']['Cr'] = 0.0051681 * 256;
$YCbCr_constants['green']['Y'] = 0.0054980 * 256;
$YCbCr_constants['green']['Cb'] = -0.0015446 * 256;
$YCbCr_constants['green']['Cr'] = -0.0026325 * 256;
$YCbCr_constants['blue']['Y'] = 0.0054980 * 256;
$YCbCr_constants['blue']['Cb'] = 0.0079533 * 256;
$YCbCr_constants['blue']['Cr'] = 0.0000000 * 256;
}
$RGBcolor = array('red'=>0, 'green'=>0, 'blue'=>0);
foreach ($RGBcolor as $rgbname => $dummy) {
$RGBcolor[$rgbname] = max(0,
min(255,
intval(
round(
($YCbCr_constants[$rgbname]['Y'] * $Y) +
($YCbCr_constants[$rgbname]['Cb'] * ($Cb - 156)) +
($YCbCr_constants[$rgbname]['Cr'] * ($Cr - 137))
)
)
)
);
}
return (($RGBcolor['red'] * 65536) + ($RGBcolor['green'] * 256) + $RGBcolor['blue']);
}
}

View File

@ -0,0 +1,613 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.png.php //
// module for analyzing PNG Image files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_png extends getid3_handler
{
/**
* If data chunk is larger than this do not read it completely (getID3 only needs the first
* few dozen bytes for parsing).
*
* @var int
*/
public $max_data_bytes = 10000000;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// shortcut
$info['png'] = array();
$thisfile_png = &$info['png'];
$info['fileformat'] = 'png';
$info['video']['dataformat'] = 'png';
$info['video']['lossless'] = false;
$this->fseek($info['avdataoffset']);
$PNGfiledata = $this->fread($this->getid3->fread_buffer_size());
$offset = 0;
$PNGidentifier = substr($PNGfiledata, $offset, 8); // $89 $50 $4E $47 $0D $0A $1A $0A
$offset += 8;
if ($PNGidentifier != "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") {
$this->error('First 8 bytes of file ('.getid3_lib::PrintHexBytes($PNGidentifier).') did not match expected PNG identifier');
unset($info['fileformat']);
return false;
}
while ((($this->ftell() - (strlen($PNGfiledata) - $offset)) < $info['filesize'])) {
$chunk = array();
$chunk['data_length'] = getid3_lib::BigEndian2Int(substr($PNGfiledata, $offset, 4));
if ($chunk['data_length'] === false) {
$this->error('Failed to read data_length at offset '.$offset);
return false;
}
$offset += 4;
$truncated_data = false;
while (((strlen($PNGfiledata) - $offset) < ($chunk['data_length'] + 4)) && ($this->ftell() < $info['filesize'])) {
if (strlen($PNGfiledata) < $this->max_data_bytes) {
$str = $this->fread($this->getid3->fread_buffer_size());
if (strlen($str) > 0) {
$PNGfiledata .= $str;
} else {
$this->warning('At offset '.$offset.' chunk "'.substr($PNGfiledata, $offset, 4).'" no more data to read, data chunk will be truncated at '.(strlen($PNGfiledata) - 8).' bytes');
break;
}
} else {
$this->warning('At offset '.$offset.' chunk "'.substr($PNGfiledata, $offset, 4).'" exceeded max_data_bytes value of '.$this->max_data_bytes.', data chunk will be truncated at '.(strlen($PNGfiledata) - 8).' bytes');
break;
}
}
$chunk['type_text'] = substr($PNGfiledata, $offset, 4);
$offset += 4;
$chunk['type_raw'] = getid3_lib::BigEndian2Int($chunk['type_text']);
$chunk['data'] = substr($PNGfiledata, $offset, $chunk['data_length']);
$offset += $chunk['data_length'];
$chunk['crc'] = getid3_lib::BigEndian2Int(substr($PNGfiledata, $offset, 4));
$offset += 4;
$chunk['flags']['ancilliary'] = (bool) ($chunk['type_raw'] & 0x20000000);
$chunk['flags']['private'] = (bool) ($chunk['type_raw'] & 0x00200000);
$chunk['flags']['reserved'] = (bool) ($chunk['type_raw'] & 0x00002000);
$chunk['flags']['safe_to_copy'] = (bool) ($chunk['type_raw'] & 0x00000020);
// shortcut
$thisfile_png[$chunk['type_text']] = array();
$thisfile_png_chunk_type_text = &$thisfile_png[$chunk['type_text']];
switch ($chunk['type_text']) {
case 'IHDR': // Image Header
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['width'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 4));
$thisfile_png_chunk_type_text['height'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 4));
$thisfile_png_chunk_type_text['raw']['bit_depth'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 8, 1));
$thisfile_png_chunk_type_text['raw']['color_type'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 9, 1));
$thisfile_png_chunk_type_text['raw']['compression_method'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 10, 1));
$thisfile_png_chunk_type_text['raw']['filter_method'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 11, 1));
$thisfile_png_chunk_type_text['raw']['interlace_method'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 12, 1));
$thisfile_png_chunk_type_text['compression_method_text'] = $this->PNGcompressionMethodLookup($thisfile_png_chunk_type_text['raw']['compression_method']);
$thisfile_png_chunk_type_text['color_type']['palette'] = (bool) ($thisfile_png_chunk_type_text['raw']['color_type'] & 0x01);
$thisfile_png_chunk_type_text['color_type']['true_color'] = (bool) ($thisfile_png_chunk_type_text['raw']['color_type'] & 0x02);
$thisfile_png_chunk_type_text['color_type']['alpha'] = (bool) ($thisfile_png_chunk_type_text['raw']['color_type'] & 0x04);
$info['video']['resolution_x'] = $thisfile_png_chunk_type_text['width'];
$info['video']['resolution_y'] = $thisfile_png_chunk_type_text['height'];
$info['video']['bits_per_sample'] = $this->IHDRcalculateBitsPerSample($thisfile_png_chunk_type_text['raw']['color_type'], $thisfile_png_chunk_type_text['raw']['bit_depth']);
break;
case 'PLTE': // Palette
$thisfile_png_chunk_type_text['header'] = $chunk;
$paletteoffset = 0;
for ($i = 0; $i <= 255; $i++) {
//$thisfile_png_chunk_type_text['red'][$i] = getid3_lib::BigEndian2Int(substr($chunk['data'], $paletteoffset++, 1));
//$thisfile_png_chunk_type_text['green'][$i] = getid3_lib::BigEndian2Int(substr($chunk['data'], $paletteoffset++, 1));
//$thisfile_png_chunk_type_text['blue'][$i] = getid3_lib::BigEndian2Int(substr($chunk['data'], $paletteoffset++, 1));
$red = getid3_lib::BigEndian2Int(substr($chunk['data'], $paletteoffset++, 1));
$green = getid3_lib::BigEndian2Int(substr($chunk['data'], $paletteoffset++, 1));
$blue = getid3_lib::BigEndian2Int(substr($chunk['data'], $paletteoffset++, 1));
$thisfile_png_chunk_type_text[$i] = (($red << 16) | ($green << 8) | ($blue));
}
break;
case 'tRNS': // Transparency
$thisfile_png_chunk_type_text['header'] = $chunk;
switch ($thisfile_png['IHDR']['raw']['color_type']) { // @phpstan-ignore-line
case 0:
$thisfile_png_chunk_type_text['transparent_color_gray'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 2));
break;
case 2:
$thisfile_png_chunk_type_text['transparent_color_red'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 2));
$thisfile_png_chunk_type_text['transparent_color_green'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 2, 2));
$thisfile_png_chunk_type_text['transparent_color_blue'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 2));
break;
case 3:
for ($i = 0; $i < strlen($chunk['data']); $i++) {
$thisfile_png_chunk_type_text['palette_opacity'][$i] = getid3_lib::BigEndian2Int(substr($chunk['data'], $i, 1));
}
break;
case 4:
case 6:
$this->error('Invalid color_type in tRNS chunk: '.$thisfile_png['IHDR']['raw']['color_type']);
break;
default:
$this->warning('Unhandled color_type in tRNS chunk: '.$thisfile_png['IHDR']['raw']['color_type']); // @phpstan-ignore-line
break;
}
break;
case 'gAMA': // Image Gamma
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['gamma'] = getid3_lib::BigEndian2Int($chunk['data']) / 100000;
break;
case 'cHRM': // Primary Chromaticities
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['white_x'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 4)) / 100000;
$thisfile_png_chunk_type_text['white_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 4)) / 100000;
$thisfile_png_chunk_type_text['red_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 8, 4)) / 100000;
$thisfile_png_chunk_type_text['red_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 12, 4)) / 100000;
$thisfile_png_chunk_type_text['green_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 16, 4)) / 100000;
$thisfile_png_chunk_type_text['green_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 20, 4)) / 100000;
$thisfile_png_chunk_type_text['blue_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 24, 4)) / 100000;
$thisfile_png_chunk_type_text['blue_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 28, 4)) / 100000;
break;
case 'sRGB': // Standard RGB Color Space
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['reindering_intent'] = getid3_lib::BigEndian2Int($chunk['data']);
$thisfile_png_chunk_type_text['reindering_intent_text'] = $this->PNGsRGBintentLookup($thisfile_png_chunk_type_text['reindering_intent']);
break;
case 'iCCP': // Embedded ICC Profile
$thisfile_png_chunk_type_text['header'] = $chunk;
list($profilename, $compressiondata) = explode("\x00", $chunk['data'], 2);
$thisfile_png_chunk_type_text['profile_name'] = $profilename;
$thisfile_png_chunk_type_text['compression_method'] = getid3_lib::BigEndian2Int(substr($compressiondata, 0, 1));
$thisfile_png_chunk_type_text['compression_profile'] = substr($compressiondata, 1);
$thisfile_png_chunk_type_text['compression_method_text'] = $this->PNGcompressionMethodLookup($thisfile_png_chunk_type_text['compression_method']);
break;
case 'tEXt': // Textual Data
$thisfile_png_chunk_type_text['header'] = $chunk;
list($keyword, $text) = explode("\x00", $chunk['data'], 2);
$thisfile_png_chunk_type_text['keyword'] = $keyword;
$thisfile_png_chunk_type_text['text'] = $text;
$thisfile_png['comments'][$thisfile_png_chunk_type_text['keyword']][] = $thisfile_png_chunk_type_text['text'];
break;
case 'zTXt': // Compressed Textual Data
$thisfile_png_chunk_type_text['header'] = $chunk;
list($keyword, $otherdata) = explode("\x00", $chunk['data'], 2);
$thisfile_png_chunk_type_text['keyword'] = $keyword;
$thisfile_png_chunk_type_text['compression_method'] = getid3_lib::BigEndian2Int(substr($otherdata, 0, 1));
$thisfile_png_chunk_type_text['compressed_text'] = substr($otherdata, 1);
$thisfile_png_chunk_type_text['compression_method_text'] = $this->PNGcompressionMethodLookup($thisfile_png_chunk_type_text['compression_method']);
switch ($thisfile_png_chunk_type_text['compression_method']) {
case 0:
$thisfile_png_chunk_type_text['text'] = gzuncompress($thisfile_png_chunk_type_text['compressed_text']);
break;
default:
// unknown compression method
break;
}
if (isset($thisfile_png_chunk_type_text['text'])) {
$thisfile_png['comments'][$thisfile_png_chunk_type_text['keyword']][] = $thisfile_png_chunk_type_text['text'];
}
break;
case 'iTXt': // International Textual Data
$thisfile_png_chunk_type_text['header'] = $chunk;
list($keyword, $otherdata) = explode("\x00", $chunk['data'], 2);
$thisfile_png_chunk_type_text['keyword'] = $keyword;
$thisfile_png_chunk_type_text['compression'] = (bool) getid3_lib::BigEndian2Int(substr($otherdata, 0, 1));
$thisfile_png_chunk_type_text['compression_method'] = getid3_lib::BigEndian2Int(substr($otherdata, 1, 1));
$thisfile_png_chunk_type_text['compression_method_text'] = $this->PNGcompressionMethodLookup($thisfile_png_chunk_type_text['compression_method']);
list($languagetag, $translatedkeyword, $text) = explode("\x00", substr($otherdata, 2), 3);
$thisfile_png_chunk_type_text['language_tag'] = $languagetag;
$thisfile_png_chunk_type_text['translated_keyword'] = $translatedkeyword;
if ($thisfile_png_chunk_type_text['compression']) {
switch ($thisfile_png_chunk_type_text['compression_method']) {
case 0:
$thisfile_png_chunk_type_text['text'] = gzuncompress($text);
break;
default:
// unknown compression method
break;
}
} else {
$thisfile_png_chunk_type_text['text'] = $text;
}
if (isset($thisfile_png_chunk_type_text['text'])) {
$thisfile_png['comments'][$thisfile_png_chunk_type_text['keyword']][] = $thisfile_png_chunk_type_text['text'];
}
break;
case 'bKGD': // Background Color
$thisfile_png_chunk_type_text['header'] = $chunk;
switch ($thisfile_png['IHDR']['raw']['color_type']) { // @phpstan-ignore-line
case 0:
case 4:
$thisfile_png_chunk_type_text['background_gray'] = getid3_lib::BigEndian2Int($chunk['data']);
break;
case 2:
case 6:
$thisfile_png_chunk_type_text['background_red'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0 * $thisfile_png['IHDR']['raw']['bit_depth'], $thisfile_png['IHDR']['raw']['bit_depth']));
$thisfile_png_chunk_type_text['background_green'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 1 * $thisfile_png['IHDR']['raw']['bit_depth'], $thisfile_png['IHDR']['raw']['bit_depth']));
$thisfile_png_chunk_type_text['background_blue'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 2 * $thisfile_png['IHDR']['raw']['bit_depth'], $thisfile_png['IHDR']['raw']['bit_depth']));
break;
case 3:
$thisfile_png_chunk_type_text['background_index'] = getid3_lib::BigEndian2Int($chunk['data']);
break;
default:
break;
}
break;
case 'pHYs': // Physical Pixel Dimensions
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['pixels_per_unit_x'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 4));
$thisfile_png_chunk_type_text['pixels_per_unit_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 4));
$thisfile_png_chunk_type_text['unit_specifier'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 8, 1));
$thisfile_png_chunk_type_text['unit'] = $this->PNGpHYsUnitLookup($thisfile_png_chunk_type_text['unit_specifier']);
break;
case 'sBIT': // Significant Bits
$thisfile_png_chunk_type_text['header'] = $chunk;
switch ($thisfile_png['IHDR']['raw']['color_type']) { // @phpstan-ignore-line
case 0:
$thisfile_png_chunk_type_text['significant_bits_gray'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 1));
break;
case 2:
case 3:
$thisfile_png_chunk_type_text['significant_bits_red'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 1));
$thisfile_png_chunk_type_text['significant_bits_green'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 1, 1));
$thisfile_png_chunk_type_text['significant_bits_blue'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 2, 1));
break;
case 4:
$thisfile_png_chunk_type_text['significant_bits_gray'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 1));
$thisfile_png_chunk_type_text['significant_bits_alpha'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 1, 1));
break;
case 6:
$thisfile_png_chunk_type_text['significant_bits_red'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 1));
$thisfile_png_chunk_type_text['significant_bits_green'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 1, 1));
$thisfile_png_chunk_type_text['significant_bits_blue'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 2, 1));
$thisfile_png_chunk_type_text['significant_bits_alpha'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 3, 1));
break;
default:
break;
}
break;
case 'sPLT': // Suggested Palette
$thisfile_png_chunk_type_text['header'] = $chunk;
list($palettename, $otherdata) = explode("\x00", $chunk['data'], 2);
$thisfile_png_chunk_type_text['palette_name'] = $palettename;
$sPLToffset = 0;
$thisfile_png_chunk_type_text['sample_depth_bits'] = getid3_lib::BigEndian2Int(substr($otherdata, $sPLToffset, 1));
$sPLToffset += 1;
$thisfile_png_chunk_type_text['sample_depth_bytes'] = $thisfile_png_chunk_type_text['sample_depth_bits'] / 8;
$paletteCounter = 0;
while ($sPLToffset < strlen($otherdata)) {
$thisfile_png_chunk_type_text['red'][$paletteCounter] = getid3_lib::BigEndian2Int(substr($otherdata, $sPLToffset, $thisfile_png_chunk_type_text['sample_depth_bytes']));
$sPLToffset += $thisfile_png_chunk_type_text['sample_depth_bytes'];
$thisfile_png_chunk_type_text['green'][$paletteCounter] = getid3_lib::BigEndian2Int(substr($otherdata, $sPLToffset, $thisfile_png_chunk_type_text['sample_depth_bytes']));
$sPLToffset += $thisfile_png_chunk_type_text['sample_depth_bytes'];
$thisfile_png_chunk_type_text['blue'][$paletteCounter] = getid3_lib::BigEndian2Int(substr($otherdata, $sPLToffset, $thisfile_png_chunk_type_text['sample_depth_bytes']));
$sPLToffset += $thisfile_png_chunk_type_text['sample_depth_bytes'];
$thisfile_png_chunk_type_text['alpha'][$paletteCounter] = getid3_lib::BigEndian2Int(substr($otherdata, $sPLToffset, $thisfile_png_chunk_type_text['sample_depth_bytes']));
$sPLToffset += $thisfile_png_chunk_type_text['sample_depth_bytes'];
$thisfile_png_chunk_type_text['frequency'][$paletteCounter] = getid3_lib::BigEndian2Int(substr($otherdata, $sPLToffset, 2));
$sPLToffset += 2;
$paletteCounter++;
}
break;
case 'hIST': // Palette Histogram
$thisfile_png_chunk_type_text['header'] = $chunk;
$hISTcounter = 0;
while ($hISTcounter < strlen($chunk['data'])) {
$thisfile_png_chunk_type_text[$hISTcounter] = getid3_lib::BigEndian2Int(substr($chunk['data'], $hISTcounter / 2, 2));
$hISTcounter += 2;
}
break;
case 'tIME': // Image Last-Modification Time
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['year'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 2));
$thisfile_png_chunk_type_text['month'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 2, 1));
$thisfile_png_chunk_type_text['day'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 3, 1));
$thisfile_png_chunk_type_text['hour'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 1));
$thisfile_png_chunk_type_text['minute'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 5, 1));
$thisfile_png_chunk_type_text['second'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 6, 1));
$thisfile_png_chunk_type_text['unix'] = gmmktime($thisfile_png_chunk_type_text['hour'], $thisfile_png_chunk_type_text['minute'], $thisfile_png_chunk_type_text['second'], $thisfile_png_chunk_type_text['month'], $thisfile_png_chunk_type_text['day'], $thisfile_png_chunk_type_text['year']);
break;
case 'oFFs': // Image Offset
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['position_x'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 4), false, true);
$thisfile_png_chunk_type_text['position_y'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 4), false, true);
$thisfile_png_chunk_type_text['unit_specifier'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 8, 1));
$thisfile_png_chunk_type_text['unit'] = $this->PNGoFFsUnitLookup($thisfile_png_chunk_type_text['unit_specifier']);
break;
case 'pCAL': // Calibration Of Pixel Values
$thisfile_png_chunk_type_text['header'] = $chunk;
list($calibrationname, $otherdata) = explode("\x00", $chunk['data'], 2);
$thisfile_png_chunk_type_text['calibration_name'] = $calibrationname;
$pCALoffset = 0;
$thisfile_png_chunk_type_text['original_zero'] = getid3_lib::BigEndian2Int(substr($chunk['data'], $pCALoffset, 4), false, true);
$pCALoffset += 4;
$thisfile_png_chunk_type_text['original_max'] = getid3_lib::BigEndian2Int(substr($chunk['data'], $pCALoffset, 4), false, true);
$pCALoffset += 4;
$thisfile_png_chunk_type_text['equation_type'] = getid3_lib::BigEndian2Int(substr($chunk['data'], $pCALoffset, 1));
$pCALoffset += 1;
$thisfile_png_chunk_type_text['equation_type_text'] = $this->PNGpCALequationTypeLookup($thisfile_png_chunk_type_text['equation_type']);
$thisfile_png_chunk_type_text['parameter_count'] = getid3_lib::BigEndian2Int(substr($chunk['data'], $pCALoffset, 1));
$pCALoffset += 1;
$thisfile_png_chunk_type_text['parameters'] = explode("\x00", substr($chunk['data'], $pCALoffset));
break;
case 'sCAL': // Physical Scale Of Image Subject
$thisfile_png_chunk_type_text['header'] = $chunk;
$thisfile_png_chunk_type_text['unit_specifier'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 1));
$thisfile_png_chunk_type_text['unit'] = $this->PNGsCALUnitLookup($thisfile_png_chunk_type_text['unit_specifier']);
list($pixelwidth, $pixelheight) = explode("\x00", substr($chunk['data'], 1));
$thisfile_png_chunk_type_text['pixel_width'] = $pixelwidth;
$thisfile_png_chunk_type_text['pixel_height'] = $pixelheight;
break;
case 'gIFg': // GIF Graphic Control Extension
$gIFgCounter = count($thisfile_png_chunk_type_text);
$thisfile_png_chunk_type_text[$gIFgCounter]['header'] = $chunk;
$thisfile_png_chunk_type_text[$gIFgCounter]['disposal_method'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 1));
$thisfile_png_chunk_type_text[$gIFgCounter]['user_input_flag'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 1, 1));
$thisfile_png_chunk_type_text[$gIFgCounter]['delay_time'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 2, 2));
break;
case 'gIFx': // GIF Application Extension
$gIFxCounter = count($thisfile_png_chunk_type_text);
$thisfile_png_chunk_type_text[$gIFxCounter]['header'] = $chunk;
$thisfile_png_chunk_type_text[$gIFxCounter]['application_identifier'] = substr($chunk['data'], 0, 8);
$thisfile_png_chunk_type_text[$gIFxCounter]['authentication_code'] = substr($chunk['data'], 8, 3);
$thisfile_png_chunk_type_text[$gIFxCounter]['application_data'] = substr($chunk['data'], 11);
break;
case 'IDAT': // Image Data
$idatinformationfieldindex = count($thisfile_png['IDAT']);
unset($chunk['data']);
$thisfile_png_chunk_type_text[$idatinformationfieldindex]['header'] = $chunk;
break;
case 'IEND': // Image Trailer
$thisfile_png_chunk_type_text['header'] = $chunk;
break;
case 'acTL': // Animation Control chunk
// https://wiki.mozilla.org/APNG_Specification#.60acTL.60:_The_Animation_Control_Chunk
$thisfile_png['animation']['num_frames'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 4)); // Number of frames
$thisfile_png['animation']['num_plays'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 4)); // Number of times to loop this APNG. 0 indicates infinite looping.
unset($chunk['data']);
$thisfile_png_chunk_type_text['header'] = $chunk;
break;
case 'fcTL': // Frame Control chunk
// https://wiki.mozilla.org/APNG_Specification#.60fcTL.60:_The_Frame_Control_Chunk
$fcTL = array();
$fcTL['sequence_number'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 0, 4)); // Sequence number of the animation chunk, starting from 0
$fcTL['width'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 4, 4)); // Width of the following frame
$fcTL['height'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 8, 4)); // Height of the following frame
$fcTL['x_offset'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 12, 4)); // X position at which to render the following frame
$fcTL['y_offset'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 16, 4)); // Y position at which to render the following frame
$fcTL['delay_num'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 20, 2)); // Frame delay fraction numerator
$fcTL['delay_den'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 22, 2)); // Frame delay fraction numerator
$fcTL['dispose_op'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 23, 1)); // Type of frame area disposal to be done after rendering this frame
$fcTL['blend_op'] = getid3_lib::BigEndian2Int(substr($chunk['data'], 23, 1)); // Type of frame area rendering for this frame
if ($fcTL['delay_den']) {
$fcTL['delay'] = $fcTL['delay_num'] / $fcTL['delay_den'];
}
$thisfile_png['animation']['fcTL'][$fcTL['sequence_number']] = $fcTL;
unset($chunk['data']);
$thisfile_png_chunk_type_text['header'] = $chunk;
break;
case 'fdAT': // Frame Data chunk
// https://wiki.mozilla.org/APNG_Specification#.60fcTL.60:_The_Frame_Control_Chunk
// "The `fdAT` chunk has the same purpose as an `IDAT` chunk. It has the same structure as an `IDAT` chunk, except preceded by a sequence number."
unset($chunk['data']);
$thisfile_png_chunk_type_text['header'] = $chunk;
break;
default:
//unset($chunk['data']);
$thisfile_png_chunk_type_text['header'] = $chunk;
$this->warning('Unhandled chunk type: '.$chunk['type_text']);
break;
}
}
if (!empty($thisfile_png['animation']['num_frames']) && !empty($thisfile_png['animation']['fcTL'])) {
$info['video']['dataformat'] = 'apng';
$info['playtime_seconds'] = 0;
foreach ($thisfile_png['animation']['fcTL'] as $seqno => $fcTL) {
$info['playtime_seconds'] += $fcTL['delay'];
}
}
return true;
}
/**
* @param int $sRGB
*
* @return string
*/
public function PNGsRGBintentLookup($sRGB) {
static $PNGsRGBintentLookup = array(
0 => 'Perceptual',
1 => 'Relative colorimetric',
2 => 'Saturation',
3 => 'Absolute colorimetric'
);
return (isset($PNGsRGBintentLookup[$sRGB]) ? $PNGsRGBintentLookup[$sRGB] : 'invalid');
}
/**
* @param int $compressionmethod
*
* @return string
*/
public function PNGcompressionMethodLookup($compressionmethod) {
static $PNGcompressionMethodLookup = array(
0 => 'deflate/inflate'
);
return (isset($PNGcompressionMethodLookup[$compressionmethod]) ? $PNGcompressionMethodLookup[$compressionmethod] : 'invalid');
}
/**
* @param int $unitid
*
* @return string
*/
public function PNGpHYsUnitLookup($unitid) {
static $PNGpHYsUnitLookup = array(
0 => 'unknown',
1 => 'meter'
);
return (isset($PNGpHYsUnitLookup[$unitid]) ? $PNGpHYsUnitLookup[$unitid] : 'invalid');
}
/**
* @param int $unitid
*
* @return string
*/
public function PNGoFFsUnitLookup($unitid) {
static $PNGoFFsUnitLookup = array(
0 => 'pixel',
1 => 'micrometer'
);
return (isset($PNGoFFsUnitLookup[$unitid]) ? $PNGoFFsUnitLookup[$unitid] : 'invalid');
}
/**
* @param int $equationtype
*
* @return string
*/
public function PNGpCALequationTypeLookup($equationtype) {
static $PNGpCALequationTypeLookup = array(
0 => 'Linear mapping',
1 => 'Base-e exponential mapping',
2 => 'Arbitrary-base exponential mapping',
3 => 'Hyperbolic mapping'
);
return (isset($PNGpCALequationTypeLookup[$equationtype]) ? $PNGpCALequationTypeLookup[$equationtype] : 'invalid');
}
/**
* @param int $unitid
*
* @return string
*/
public function PNGsCALUnitLookup($unitid) {
static $PNGsCALUnitLookup = array(
0 => 'meter',
1 => 'radian'
);
return (isset($PNGsCALUnitLookup[$unitid]) ? $PNGsCALUnitLookup[$unitid] : 'invalid');
}
/**
* @param int $color_type
* @param int $bit_depth
*
* @return int|false
*/
public function IHDRcalculateBitsPerSample($color_type, $bit_depth) {
switch ($color_type) {
case 0: // Each pixel is a grayscale sample.
return $bit_depth;
case 2: // Each pixel is an R,G,B triple
return 3 * $bit_depth;
case 3: // Each pixel is a palette index; a PLTE chunk must appear.
return $bit_depth;
case 4: // Each pixel is a grayscale sample, followed by an alpha sample.
return 2 * $bit_depth;
case 6: // Each pixel is an R,G,B triple, followed by an alpha sample.
return 4 * $bit_depth;
}
return false;
}
}

View File

@ -0,0 +1,106 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.svg.php //
// module for analyzing SVG Image files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_svg extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$SVGheader = $this->fread(4096);
if (preg_match('#\<\?xml([^\>]+)\?\>#i', $SVGheader, $matches)) {
$info['svg']['xml']['raw'] = $matches;
}
if (preg_match('#\<\!DOCTYPE([^\>]+)\>#i', $SVGheader, $matches)) {
$info['svg']['doctype']['raw'] = $matches;
}
if (preg_match('#\<svg([^\>]+)\>#i', $SVGheader, $matches)) {
$info['svg']['svg']['raw'] = $matches;
}
if (isset($info['svg']['svg']['raw'])) {
$sections_to_fix = array('xml', 'doctype', 'svg');
foreach ($sections_to_fix as $section_to_fix) {
if (!isset($info['svg'][$section_to_fix])) {
continue;
}
$section_data = array();
while (preg_match('/ "([^"]+)"/', $info['svg'][$section_to_fix]['raw'][1], $matches)) {
$section_data[] = $matches[1];
$info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], '', $info['svg'][$section_to_fix]['raw'][1]);
}
while (preg_match('/([^\s]+)="([^"]+)"/', $info['svg'][$section_to_fix]['raw'][1], $matches)) {
$section_data[] = $matches[0];
$info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], '', $info['svg'][$section_to_fix]['raw'][1]);
}
$section_data = array_merge($section_data, preg_split('/[\s,]+/', $info['svg'][$section_to_fix]['raw'][1]));
foreach ($section_data as $keyvaluepair) {
$keyvaluepair = trim($keyvaluepair);
if ($keyvaluepair) {
$keyvalueexploded = explode('=', $keyvaluepair);
$key = (isset($keyvalueexploded[0]) ? $keyvalueexploded[0] : '');
$value = (isset($keyvalueexploded[1]) ? $keyvalueexploded[1] : '');
$info['svg'][$section_to_fix]['sections'][$key] = trim($value, '"');
}
}
}
$info['fileformat'] = 'svg';
$info['video']['dataformat'] = 'svg';
$info['video']['lossless'] = true;
//$info['video']['bits_per_sample'] = 24;
$info['video']['pixel_aspect_ratio'] = (float) 1;
if (!empty($info['svg']['svg']['sections']['width'])) {
$info['svg']['width'] = intval($info['svg']['svg']['sections']['width']);
}
if (!empty($info['svg']['svg']['sections']['height'])) {
$info['svg']['height'] = intval($info['svg']['svg']['sections']['height']);
}
if (!empty($info['svg']['svg']['sections']['version'])) {
$info['svg']['version'] = $info['svg']['svg']['sections']['version'];
}
if (!isset($info['svg']['version']) && isset($info['svg']['doctype']['sections'])) {
foreach ($info['svg']['doctype']['sections'] as $key => $value) {
if (preg_match('#//W3C//DTD SVG ([0-9\.]+)//#i', $key, $matches)) {
$info['svg']['version'] = $matches[1];
break;
}
}
}
if (!empty($info['svg']['width'])) {
$info['video']['resolution_x'] = $info['svg']['width'];
}
if (!empty($info['svg']['height'])) {
$info['video']['resolution_y'] = $info['svg']['height'];
}
return true;
}
$this->error('Did not find expected <svg> tag');
return false;
}
}

View File

@ -0,0 +1,520 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.archive.tiff.php //
// module for analyzing TIFF files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_tiff extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$TIFFheader = $this->fread(4);
switch (substr($TIFFheader, 0, 2)) {
case 'II':
$info['tiff']['byte_order'] = 'Intel';
break;
case 'MM':
$info['tiff']['byte_order'] = 'Motorola';
break;
default:
$this->error('Invalid TIFF byte order identifier ('.substr($TIFFheader, 0, 2).') at offset '.$info['avdataoffset']);
return false;
}
$info['fileformat'] = 'tiff';
$info['video']['dataformat'] = 'tiff';
$info['video']['lossless'] = true;
$info['tiff']['ifd'] = array();
$CurrentIFD = array();
$FieldTypeByteLength = array(1=>1, 2=>1, 3=>2, 4=>4, 5=>8);
$nextIFDoffset = $this->TIFFendian2Int($this->fread(4), $info['tiff']['byte_order']);
while ($nextIFDoffset > 0) {
$CurrentIFD['offset'] = $nextIFDoffset;
$this->fseek($info['avdataoffset'] + $nextIFDoffset);
$CurrentIFD['fieldcount'] = $this->TIFFendian2Int($this->fread(2), $info['tiff']['byte_order']);
for ($i = 0; $i < $CurrentIFD['fieldcount']; $i++) {
$CurrentIFD['fields'][$i]['raw']['tag'] = $this->TIFFendian2Int($this->fread(2), $info['tiff']['byte_order']);
$CurrentIFD['fields'][$i]['raw']['type'] = $this->TIFFendian2Int($this->fread(2), $info['tiff']['byte_order']);
$CurrentIFD['fields'][$i]['raw']['length'] = $this->TIFFendian2Int($this->fread(4), $info['tiff']['byte_order']);
$CurrentIFD['fields'][$i]['raw']['valoff'] = $this->fread(4); // To save time and space the Value Offset contains the Value instead of pointing to the Value if and only if the Value fits into 4 bytes. If the Value is shorter than 4 bytes, it is left-justified within the 4-byte Value Offset, i.e., stored in the lowernumbered bytes. Whether the Value fits within 4 bytes is determined by the Type and Count of the field.
$CurrentIFD['fields'][$i]['raw']['tag_name'] = $this->TIFFcommentName($CurrentIFD['fields'][$i]['raw']['tag']);
switch ($CurrentIFD['fields'][$i]['raw']['type']) {
case 1: // BYTE An 8-bit unsigned integer.
if ($CurrentIFD['fields'][$i]['raw']['length'] <= 4) {
$CurrentIFD['fields'][$i]['value'] = $this->TIFFendian2Int(substr($CurrentIFD['fields'][$i]['raw']['valoff'], 0, 1), $info['tiff']['byte_order']);
} else {
$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['valoff'], $info['tiff']['byte_order']);
}
break;
case 2: // ASCII 8-bit bytes that store ASCII codes; the last byte must be null.
if ($CurrentIFD['fields'][$i]['raw']['length'] <= 4) {
$CurrentIFD['fields'][$i]['value'] = substr($CurrentIFD['fields'][$i]['raw']['valoff'], 3);
} else {
$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['valoff'], $info['tiff']['byte_order']);
}
break;
case 3: // SHORT A 16-bit (2-byte) unsigned integer.
if ($CurrentIFD['fields'][$i]['raw']['length'] <= 2) {
$CurrentIFD['fields'][$i]['value'] = $this->TIFFendian2Int(substr($CurrentIFD['fields'][$i]['raw']['valoff'], 0, 2), $info['tiff']['byte_order']);
} else {
$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['valoff'], $info['tiff']['byte_order']);
}
break;
case 4: // LONG A 32-bit (4-byte) unsigned integer.
if ($CurrentIFD['fields'][$i]['raw']['length'] <= 4) {
$CurrentIFD['fields'][$i]['value'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['valoff'], $info['tiff']['byte_order']);
} else {
$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['valoff'], $info['tiff']['byte_order']);
}
break;
case 5: // RATIONAL Two LONG_s: the first represents the numerator of a fraction, the second the denominator.
case 7: // UNDEFINED An 8-bit byte that may contain anything, depending on the definition of the field.
$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['valoff'], $info['tiff']['byte_order']);
break;
// Warning: It is possible that other TIFF field types will be added in the future. Readers should skip over fields containing an unexpected field type.
// In TIFF 6.0, some new field types have been defined:
// These new field types are also governed by the byte order (II or MM) in the TIFF header.
case 6: // SBYTE An 8-bit signed (twos-complement) integer.
case 8: // SSHORT A 16-bit (2-byte) signed (twos-complement) integer.
case 9: // SLONG A 32-bit (4-byte) signed (twos-complement) integer.
case 10: // SRATIONAL Two SLONGs: the first represents the numerator of a fraction, the second the denominator.
case 11: // FLOAT Single precision (4-byte) IEEE format
case 12: // DOUBLE Double precision (8-byte) IEEE format
default:
$this->warning('unhandled IFD field type '.$CurrentIFD['fields'][$i]['raw']['type'].' for IFD entry '.$i);
break;
}
}
$info['tiff']['ifd'][] = $CurrentIFD;
$CurrentIFD = array();
$nextIFDoffset = $this->TIFFendian2Int($this->fread(4), $info['tiff']['byte_order']);
}
foreach ($info['tiff']['ifd'] as $IFDid => $IFDarray) {
if(!isset($IFDarray['fields'])) {
continue;
}
foreach ($IFDarray['fields'] as $key => $fieldarray) {
switch ($fieldarray['raw']['tag']) {
case 256: // ImageWidth
case 257: // ImageLength
case 258: // BitsPerSample
case 259: // Compression
if (!isset($fieldarray['value'])) {
$this->fseek($fieldarray['offset']);
$info['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'] = $this->fread($fieldarray['raw']['length'] * $FieldTypeByteLength[$fieldarray['raw']['type']]);
}
break;
case 270: // ImageDescription
case 271: // Make
case 272: // Model
case 305: // Software
case 306: // DateTime
case 315: // Artist
case 316: // HostComputer
if (isset($fieldarray['value'])) {
$info['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'] = $fieldarray['value'];
} else {
$this->fseek($fieldarray['offset']);
$info['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'] = $this->fread($fieldarray['raw']['length'] * $FieldTypeByteLength[$fieldarray['raw']['type']]);
}
break;
case 700:
$XMPmagic = '<?xpacket';
$this->fseek($fieldarray['offset']);
$xmpkey = (isset($info['tiff']['XMP']) ? count($info['tiff']['XMP']) : 0);
$info['tiff']['XMP'][$xmpkey]['raw'] = $this->fread($fieldarray['raw']['length']);
if (substr($info['tiff']['XMP'][$xmpkey]['raw'], 0, strlen($XMPmagic)) != $XMPmagic) {
$this->warning('did not find expected XMP data at offset '.$fieldarray['offset']);
unset($info['tiff']['XMP'][$xmpkey]['raw']);
}
break;
}
switch ($fieldarray['raw']['tag']) {
case 256: // ImageWidth
$info['video']['resolution_x'] = $fieldarray['value'];
break;
case 257: // ImageLength
$info['video']['resolution_y'] = $fieldarray['value'];
break;
case 258: // BitsPerSample
if (isset($fieldarray['value'])) {
$info['video']['bits_per_sample'] = $fieldarray['value'];
} else {
$info['video']['bits_per_sample'] = 0;
for ($i = 0; $i < $fieldarray['raw']['length']; $i++) {
$info['video']['bits_per_sample'] += $this->TIFFendian2Int(substr($info['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'], $i * $FieldTypeByteLength[$fieldarray['raw']['type']], $FieldTypeByteLength[$fieldarray['raw']['type']]), $info['tiff']['byte_order']);
}
}
break;
case 259: // Compression
$info['video']['codec'] = $this->TIFFcompressionMethod($fieldarray['value']);
break;
case 270: // ImageDescription
case 271: // Make
case 272: // Model
case 305: // Software
case 306: // DateTime
case 315: // Artist
case 316: // HostComputer
$TIFFcommentName = strtolower($fieldarray['raw']['tag_name']);
if (isset($info['tiff']['comments'][$TIFFcommentName])) {
$info['tiff']['comments'][$TIFFcommentName][] = $info['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'];
} else {
$info['tiff']['comments'][$TIFFcommentName] = array($info['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data']);
}
break;
default:
break;
}
}
}
return true;
}
/**
* @param string $bytestring
* @param string $byteorder
*
* @return int|float|false
*/
public function TIFFendian2Int($bytestring, $byteorder) {
if ($byteorder == 'Intel') {
return getid3_lib::LittleEndian2Int($bytestring);
} elseif ($byteorder == 'Motorola') {
return getid3_lib::BigEndian2Int($bytestring);
}
return false;
}
/**
* @param int $id
*
* @return string
*/
public function TIFFcompressionMethod($id) {
// https://en.wikipedia.org/wiki/TIFF#TIFF_Compression_Tag
static $TIFFcompressionMethod = array();
if (empty($TIFFcompressionMethod)) {
$TIFFcompressionMethod = array(
0x0001 => 'Uncompressed',
0x0002 => 'Huffman',
0x0003 => 'CCITT T.4',
0x0004 => 'CCITT T.6',
0x0005 => 'LZW',
0x0006 => 'JPEG-old',
0x0007 => 'JPEG',
0x0008 => 'deflate',
0x0009 => 'JBIG ITU-T T.85',
0x000A => 'JBIG ITU-T T.43',
0x7FFE => 'NeXT RLE 2-bit',
0x8005 => 'PackBits',
0x8029 => 'ThunderScan RLE 4-bit',
0x807F => 'RasterPadding',
0x8080 => 'RLE-LW',
0x8081 => 'RLE-CT',
0x8082 => 'RLE-BL',
0x80B2 => 'deflate-PK',
0x80B3 => 'Kodak-DCS',
0x8765 => 'JBIG',
0x8798 => 'JPEG2000',
0x8799 => 'Nikon NEF',
0x879B => 'JBIG2',
);
}
return (isset($TIFFcompressionMethod[$id]) ? $TIFFcompressionMethod[$id] : 'unknown/invalid ('.$id.')');
}
/**
* @param int $id
*
* @return string
*/
public function TIFFcommentName($id) {
// https://www.awaresystems.be/imaging/tiff/tifftags.html
static $TIFFcommentName = array();
if (empty($TIFFcommentName)) {
$TIFFcommentName = array(
254 => 'NewSubfileType',
255 => 'SubfileType',
256 => 'ImageWidth',
257 => 'ImageLength',
258 => 'BitsPerSample',
259 => 'Compression',
262 => 'PhotometricInterpretation',
263 => 'Threshholding',
264 => 'CellWidth',
265 => 'CellLength',
266 => 'FillOrder',
269 => 'DocumentName',
270 => 'ImageDescription',
271 => 'Make',
272 => 'Model',
273 => 'StripOffsets',
274 => 'Orientation',
277 => 'SamplesPerPixel',
278 => 'RowsPerStrip',
279 => 'StripByteCounts',
280 => 'MinSampleValue',
281 => 'MaxSampleValue',
282 => 'XResolution',
283 => 'YResolution',
284 => 'PlanarConfiguration',
285 => 'PageName',
286 => 'XPosition',
287 => 'YPosition',
288 => 'FreeOffsets',
289 => 'FreeByteCounts',
290 => 'GrayResponseUnit',
291 => 'GrayResponseCurve',
292 => 'T4Options',
293 => 'T6Options',
296 => 'ResolutionUnit',
297 => 'PageNumber',
301 => 'TransferFunction',
305 => 'Software',
306 => 'DateTime',
315 => 'Artist',
316 => 'HostComputer',
317 => 'Predictor',
318 => 'WhitePoint',
319 => 'PrimaryChromaticities',
320 => 'ColorMap',
321 => 'HalftoneHints',
322 => 'TileWidth',
323 => 'TileLength',
324 => 'TileOffsets',
325 => 'TileByteCounts',
326 => 'BadFaxLines',
327 => 'CleanFaxData',
328 => 'ConsecutiveBadFaxLines',
330 => 'SubIFDs',
332 => 'InkSet',
333 => 'InkNames',
334 => 'NumberOfInks',
336 => 'DotRange',
337 => 'TargetPrinter',
338 => 'ExtraSamples',
339 => 'SampleFormat',
340 => 'SMinSampleValue',
341 => 'SMaxSampleValue',
342 => 'TransferRange',
343 => 'ClipPath',
344 => 'XClipPathUnits',
345 => 'YClipPathUnits',
346 => 'Indexed',
347 => 'JPEGTables',
351 => 'OPIProxy',
400 => 'GlobalParametersIFD',
401 => 'ProfileType',
402 => 'FaxProfile',
403 => 'CodingMethods',
404 => 'VersionYear',
405 => 'ModeNumber',
433 => 'Decode',
434 => 'DefaultImageColor',
512 => 'JPEGProc',
513 => 'JPEGInterchangeFormat',
514 => 'JPEGInterchangeFormatLngth',
515 => 'JPEGRestartInterval',
517 => 'JPEGLosslessPredictors',
518 => 'JPEGPointTransforms',
519 => 'JPEGQTables',
520 => 'JPEGDCTables',
521 => 'JPEGACTables',
529 => 'YCbCrCoefficients',
530 => 'YCbCrSubSampling',
531 => 'YCbCrPositioning',
532 => 'ReferenceBlackWhite',
559 => 'StripRowCounts',
700 => 'XMP',
32781 => 'ImageID',
33432 => 'Copyright',
34732 => 'ImageLayer',
// Private Tags - https://www.awaresystems.be/imaging/tiff/tifftags/private.html
32932 => 'Wang Annotation', // Annotation data, as used in 'Imaging for Windows'.
33445 => 'MD FileTag', // Specifies the pixel data format encoding in the Molecular Dynamics GEL file format.
33446 => 'MD ScalePixel', // Specifies a scale factor in the Molecular Dynamics GEL file format.
33447 => 'MD ColorTable', // Used to specify the conversion from 16bit to 8bit in the Molecular Dynamics GEL file format.
33448 => 'MD LabName', // Name of the lab that scanned this file, as used in the Molecular Dynamics GEL file format.
33449 => 'MD SampleInfo', // Information about the sample, as used in the Molecular Dynamics GEL file format.
33450 => 'MD PrepDate', // Date the sample was prepared, as used in the Molecular Dynamics GEL file format.
33451 => 'MD PrepTime', // Time the sample was prepared, as used in the Molecular Dynamics GEL file format.
33452 => 'MD FileUnits', // Units for data in this file, as used in the Molecular Dynamics GEL file format.
33550 => 'ModelPixelScaleTag', // Used in interchangeable GeoTIFF files.
33723 => 'IPTC', // IPTC (International Press Telecommunications Council) metadata.
33918 => 'INGR Packet Data Tag', // Intergraph Application specific storage.
33919 => 'INGR Flag Registers', // Intergraph Application specific flags.
33920 => 'IrasB Transformation Matrix', // Originally part of Intergraph's GeoTIFF tags, but likely understood by IrasB only.
33922 => 'ModelTiepointTag', // Originally part of Intergraph's GeoTIFF tags, but now used in interchangeable GeoTIFF files.
34264 => 'ModelTransformationTag', // Used in interchangeable GeoTIFF files.
34377 => 'Photoshop', // Collection of Photoshop 'Image Resource Blocks'.
34665 => 'Exif IFD', // A pointer to the Exif IFD.
34675 => 'ICC Profile', // ICC profile data.
34735 => 'GeoKeyDirectoryTag', // Used in interchangeable GeoTIFF files.
34736 => 'GeoDoubleParamsTag', // Used in interchangeable GeoTIFF files.
34737 => 'GeoAsciiParamsTag', // Used in interchangeable GeoTIFF files.
34853 => 'GPS IFD', // A pointer to the Exif-related GPS Info IFD.
34908 => 'HylaFAX FaxRecvParams', // Used by HylaFAX.
34909 => 'HylaFAX FaxSubAddress', // Used by HylaFAX.
34910 => 'HylaFAX FaxRecvTime', // Used by HylaFAX.
37724 => 'ImageSourceData', // Used by Adobe Photoshop.
40965 => 'Interoperability IFD', // A pointer to the Exif-related Interoperability IFD.
42112 => 'GDAL_METADATA', // Used by the GDAL library, holds an XML list of name=value 'metadata' values about the image as a whole, and about specific samples.
42113 => 'GDAL_NODATA', // Used by the GDAL library, contains an ASCII encoded nodata or background pixel value.
50215 => 'Oce Scanjob Description', // Used in the Oce scanning process.
50216 => 'Oce Application Selector', // Used in the Oce scanning process.
50217 => 'Oce Identification Number', // Used in the Oce scanning process.
50218 => 'Oce ImageLogic Characteristics', // Used in the Oce scanning process.
50706 => 'DNGVersion', // Used in IFD 0 of DNG files.
50707 => 'DNGBackwardVersion', // Used in IFD 0 of DNG files.
50708 => 'UniqueCameraModel', // Used in IFD 0 of DNG files.
50709 => 'LocalizedCameraModel', // Used in IFD 0 of DNG files.
50710 => 'CFAPlaneColor', // Used in Raw IFD of DNG files.
50711 => 'CFALayout', // Used in Raw IFD of DNG files.
50712 => 'LinearizationTable', // Used in Raw IFD of DNG files.
50713 => 'BlackLevelRepeatDim', // Used in Raw IFD of DNG files.
50714 => 'BlackLevel', // Used in Raw IFD of DNG files.
50715 => 'BlackLevelDeltaH', // Used in Raw IFD of DNG files.
50716 => 'BlackLevelDeltaV', // Used in Raw IFD of DNG files.
50717 => 'WhiteLevel', // Used in Raw IFD of DNG files.
50718 => 'DefaultScale', // Used in Raw IFD of DNG files.
50719 => 'DefaultCropOrigin', // Used in Raw IFD of DNG files.
50720 => 'DefaultCropSize', // Used in Raw IFD of DNG files.
50721 => 'ColorMatrix1', // Used in IFD 0 of DNG files.
50722 => 'ColorMatrix2', // Used in IFD 0 of DNG files.
50723 => 'CameraCalibration1', // Used in IFD 0 of DNG files.
50724 => 'CameraCalibration2', // Used in IFD 0 of DNG files.
50725 => 'ReductionMatrix1', // Used in IFD 0 of DNG files.
50726 => 'ReductionMatrix2', // Used in IFD 0 of DNG files.
50727 => 'AnalogBalance', // Used in IFD 0 of DNG files.
50728 => 'AsShotNeutral', // Used in IFD 0 of DNG files.
50729 => 'AsShotWhiteXY', // Used in IFD 0 of DNG files.
50730 => 'BaselineExposure', // Used in IFD 0 of DNG files.
50731 => 'BaselineNoise', // Used in IFD 0 of DNG files.
50732 => 'BaselineSharpness', // Used in IFD 0 of DNG files.
50733 => 'BayerGreenSplit', // Used in Raw IFD of DNG files.
50734 => 'LinearResponseLimit', // Used in IFD 0 of DNG files.
50735 => 'CameraSerialNumber', // Used in IFD 0 of DNG files.
50736 => 'LensInfo', // Used in IFD 0 of DNG files.
50737 => 'ChromaBlurRadius', // Used in Raw IFD of DNG files.
50738 => 'AntiAliasStrength', // Used in Raw IFD of DNG files.
50740 => 'DNGPrivateData', // Used in IFD 0 of DNG files.
50741 => 'MakerNoteSafety', // Used in IFD 0 of DNG files.
50778 => 'CalibrationIlluminant1', // Used in IFD 0 of DNG files.
50779 => 'CalibrationIlluminant2', // Used in IFD 0 of DNG files.
50780 => 'BestQualityScale', // Used in Raw IFD of DNG files.
50784 => 'Alias Layer Metadata', // Alias Sketchbook Pro layer usage description.
50908 => 'TIFF_RSID', // This private tag is used in a GEOTIFF standard by DGIWG.
50909 => 'GEO_METADATA', // This private tag is used in a GEOTIFF standard by DGIWG.
// EXIF tags - https://www.awaresystems.be/imaging/tiff/tifftags/privateifd/exif.html
33434 => 'ExposureTime', // Exposure time, given in seconds.
33437 => 'FNumber', // The F number.
34850 => 'ExposureProgram', // The class of the program used by the camera to set exposure when the picture is taken.
34852 => 'SpectralSensitivity', // Indicates the spectral sensitivity of each channel of the camera used.
34855 => 'ISOSpeedRatings', // Indicates the ISO Speed and ISO Latitude of the camera or input device as specified in ISO 12232.
34856 => 'OECF', // Indicates the Opto-Electric Conversion Function (OECF) specified in ISO 14524.
36864 => 'ExifVersion', // The version of the supported Exif standard.
36867 => 'DateTimeOriginal', // The date and time when the original image data was generated.
36868 => 'DateTimeDigitized', // The date and time when the image was stored as digital data.
37121 => 'ComponentsConfiguration', // Specific to compressed data; specifies the channels and complements PhotometricInterpretation
37122 => 'CompressedBitsPerPixel', // Specific to compressed data; states the compressed bits per pixel.
37377 => 'ShutterSpeedValue', // Shutter speed.
37378 => 'ApertureValue', // The lens aperture.
37379 => 'BrightnessValue', // The value of brightness.
37380 => 'ExposureBiasValue', // The exposure bias.
37381 => 'MaxApertureValue', // The smallest F number of the lens.
37382 => 'SubjectDistance', // The distance to the subject, given in meters.
37383 => 'MeteringMode', // The metering mode.
37384 => 'LightSource', // The kind of light source.
37385 => 'Flash', // Indicates the status of flash when the image was shot.
37386 => 'FocalLength', // The actual focal length of the lens, in mm.
37396 => 'SubjectArea', // Indicates the location and area of the main subject in the overall scene.
37500 => 'MakerNote', // Manufacturer specific information.
37510 => 'UserComment', // Keywords or comments on the image; complements ImageDescription.
37520 => 'SubsecTime', // A tag used to record fractions of seconds for the DateTime tag.
37521 => 'SubsecTimeOriginal', // A tag used to record fractions of seconds for the DateTimeOriginal tag.
37522 => 'SubsecTimeDigitized', // A tag used to record fractions of seconds for the DateTimeDigitized tag.
40960 => 'FlashpixVersion', // The Flashpix format version supported by a FPXR file.
40961 => 'ColorSpace', // The color space information tag is always recorded as the color space specifier.
40962 => 'PixelXDimension', // Specific to compressed data; the valid width of the meaningful image.
40963 => 'PixelYDimension', // Specific to compressed data; the valid height of the meaningful image.
40964 => 'RelatedSoundFile', // Used to record the name of an audio file related to the image data.
41483 => 'FlashEnergy', // Indicates the strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds
41484 => 'SpatialFrequencyResponse', // Records the camera or input device spatial frequency table and SFR values in the direction of image width, image height, and diagonal direction, as specified in ISO 12233.
41486 => 'FocalPlaneXResolution', // Indicates the number of pixels in the image width (X) direction per FocalPlaneResolutionUnit on the camera focal plane.
41487 => 'FocalPlaneYResolution', // Indicates the number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit on the camera focal plane.
41488 => 'FocalPlaneResolutionUnit', // Indicates the unit for measuring FocalPlaneXResolution and FocalPlaneYResolution.
41492 => 'SubjectLocation', // Indicates the location of the main subject in the scene.
41493 => 'ExposureIndex', // Indicates the exposure index selected on the camera or input device at the time the image is captured.
41495 => 'SensingMethod', // Indicates the image sensor type on the camera or input device.
41728 => 'FileSource', // Indicates the image source.
41729 => 'SceneType', // Indicates the type of scene.
41730 => 'CFAPattern', // Indicates the color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used.
41985 => 'CustomRendered', // Indicates the use of special processing on image data, such as rendering geared to output.
41986 => 'ExposureMode', // Indicates the exposure mode set when the image was shot.
41987 => 'WhiteBalance', // Indicates the white balance mode set when the image was shot.
41988 => 'DigitalZoomRatio', // Indicates the digital zoom ratio when the image was shot.
41989 => 'FocalLengthIn35mmFilm', // Indicates the equivalent focal length assuming a 35mm film camera, in mm.
41990 => 'SceneCaptureType', // Indicates the type of scene that was shot.
41991 => 'GainControl', // Indicates the degree of overall image gain adjustment.
41992 => 'Contrast', // Indicates the direction of contrast processing applied by the camera when the image was shot.
41993 => 'Saturation', // Indicates the direction of saturation processing applied by the camera when the image was shot.
41994 => 'Sharpness', // Indicates the direction of sharpness processing applied by the camera when the image was shot.
41995 => 'DeviceSettingDescription', // This tag indicates information on the picture-taking conditions of a particular camera model.
41996 => 'SubjectDistanceRange', // Indicates the distance to the subject.
42016 => 'ImageUniqueID', // Indicates an identifier assigned uniquely to each image.
);
}
return (isset($TIFFcommentName[$id]) ? $TIFFcommentName[$id] : 'unknown/invalid ('.$id.')');
}
}

View File

@ -0,0 +1,332 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.cue.php //
// module for analyzing CUEsheet files //
// dependencies: NONE //
// //
/////////////////////////////////////////////////////////////////
// //
// Module originally written [2009-Mar-25] by //
// Nigel Barnes <ngbarnesØhotmail*com> //
// Minor reformatting and similar small changes to integrate //
// into getID3 by James Heinrich <info@getid3.org> //
// ///
/////////////////////////////////////////////////////////////////
/*
* CueSheet parser by Nigel Barnes.
*
* This is a PHP conversion of CueSharp 0.5 by Wyatt O'Day (wyday.com/cuesharp)
*/
/**
* A CueSheet class used to open and parse cuesheets.
*
*/
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_cue extends getid3_handler
{
public $cuesheet = array();
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'cue';
$this->readCueSheetFilename($info['filenamepath']);
$info['cue'] = $this->cuesheet;
return true;
}
/**
* @param string $filename
*
* @return array
*/
public function readCueSheetFilename($filename)
{
$filedata = file_get_contents($filename);
return $this->readCueSheet($filedata);
}
/**
* Parses a cue sheet file.
*
* @param string $filedata
*
* @return array
*/
public function readCueSheet(&$filedata)
{
$cue_lines = array();
foreach (explode("\n", str_replace("\r", '', $filedata)) as $line)
{
if ( (strlen($line) > 0) && ($line[0] != '#'))
{
$cue_lines[] = trim($line);
}
}
$this->parseCueSheet($cue_lines);
return $this->cuesheet;
}
/**
* Parses the cue sheet array.
*
* @param array $file - The cuesheet as an array of each line.
*/
public function parseCueSheet($file)
{
//-1 means still global, all others are track specific
$track_on = -1;
$currentFile = null;
foreach ($file as $line) {
list($key) = explode(' ', strtolower($line), 2);
switch ($key)
{
case 'catalog':
case 'cdtextfile':
case 'isrc':
case 'performer':
case 'songwriter':
case 'title':
$this->parseString($line, $track_on);
break;
case 'file':
$currentFile = $this->parseFile($line);
break;
case 'flags':
$this->parseFlags($line, $track_on);
break;
case 'index':
case 'postgap':
case 'pregap':
$this->parseIndex($line, $track_on);
break;
case 'rem':
$this->parseComment($line, $track_on);
break;
case 'track':
$track_on++;
$this->parseTrack($line, $track_on);
if (isset($currentFile)) // if there's a file
{
$this->cuesheet['tracks'][$track_on]['datafile'] = $currentFile;
}
break;
default:
//save discarded junk and place string[] with track it was found in
$this->parseGarbage($line, $track_on);
break;
}
}
}
/**
* Parses the REM command.
*
* @param string $line - The line in the cue file that contains the TRACK command.
* @param integer $track_on - The track currently processing.
*/
public function parseComment($line, $track_on)
{
$explodedline = explode(' ', $line, 3);
$comment_REM = (isset($explodedline[0]) ? $explodedline[0] : '');
$comment_type = (isset($explodedline[1]) ? $explodedline[1] : '');
$comment_data = (isset($explodedline[2]) ? $explodedline[2] : '');
if (($comment_REM == 'REM') && $comment_type) {
$comment_type = strtolower($comment_type);
$commment_data = trim($comment_data, ' "');
if ($track_on != -1) {
$this->cuesheet['tracks'][$track_on]['comments'][$comment_type][] = $comment_data;
} else {
$this->cuesheet['comments'][$comment_type][] = $comment_data;
}
}
}
/**
* Parses the FILE command.
*
* @param string $line - The line in the cue file that contains the FILE command.
*
* @return array - Array of FILENAME and TYPE of file..
*/
public function parseFile($line)
{
$line = substr($line, strpos($line, ' ') + 1);
$type = strtolower(substr($line, strrpos($line, ' ')));
//remove type
$line = substr($line, 0, strrpos($line, ' ') - 1);
//if quotes around it, remove them.
$line = trim($line, '"');
return array('filename'=>$line, 'type'=>$type);
}
/**
* Parses the FLAG command.
*
* @param string $line - The line in the cue file that contains the TRACK command.
* @param integer $track_on - The track currently processing.
*/
public function parseFlags($line, $track_on)
{
if ($track_on != -1)
{
foreach (explode(' ', strtolower($line)) as $type)
{
switch ($type)
{
case 'flags':
// first entry in this line
$this->cuesheet['tracks'][$track_on]['flags'] = array(
'4ch' => false,
'data' => false,
'dcp' => false,
'pre' => false,
'scms' => false,
);
break;
case 'data':
case 'dcp':
case '4ch':
case 'pre':
case 'scms':
$this->cuesheet['tracks'][$track_on]['flags'][$type] = true;
break;
default:
break;
}
}
}
}
/**
* Collect any unidentified data.
*
* @param string $line - The line in the cue file that contains the TRACK command.
* @param integer $track_on - The track currently processing.
*/
public function parseGarbage($line, $track_on)
{
if ( strlen($line) > 0 )
{
if ($track_on == -1)
{
$this->cuesheet['garbage'][] = $line;
}
else
{
$this->cuesheet['tracks'][$track_on]['garbage'][] = $line;
}
}
}
/**
* Parses the INDEX command of a TRACK.
*
* @param string $line - The line in the cue file that contains the TRACK command.
* @param integer $track_on - The track currently processing.
*/
public function parseIndex($line, $track_on)
{
$type = strtolower(substr($line, 0, strpos($line, ' ')));
$line = substr($line, strpos($line, ' ') + 1);
$number = 0;
if ($type == 'index')
{
//read the index number
$number = intval(substr($line, 0, strpos($line, ' ')));
$line = substr($line, strpos($line, ' ') + 1);
}
//extract the minutes, seconds, and frames
$explodedline = explode(':', $line);
$minutes = (isset($explodedline[0]) ? $explodedline[0] : '');
$seconds = (isset($explodedline[1]) ? $explodedline[1] : '');
$frames = (isset($explodedline[2]) ? $explodedline[2] : '');
switch ($type) {
case 'index':
$this->cuesheet['tracks'][$track_on][$type][$number] = array('minutes'=>intval($minutes), 'seconds'=>intval($seconds), 'frames'=>intval($frames));
break;
case 'pregap':
case 'postgap':
$this->cuesheet['tracks'][$track_on][$type] = array('minutes'=>intval($minutes), 'seconds'=>intval($seconds), 'frames'=>intval($frames));
break;
}
}
/**
* @param string $line
* @param int $track_on
*/
public function parseString($line, $track_on)
{
$category = strtolower(substr($line, 0, strpos($line, ' ')));
$line = substr($line, strpos($line, ' ') + 1);
//get rid of the quotes
$line = trim($line, '"');
switch ($category)
{
case 'catalog':
case 'cdtextfile':
case 'isrc':
case 'performer':
case 'songwriter':
case 'title':
if ($track_on == -1)
{
$this->cuesheet[$category] = $line;
}
else
{
$this->cuesheet['tracks'][$track_on][$category] = $line;
}
break;
default:
break;
}
}
/**
* Parses the TRACK command.
*
* @param string $line - The line in the cue file that contains the TRACK command.
* @param integer $track_on - The track currently processing.
*/
public function parseTrack($line, $track_on)
{
$line = substr($line, strpos($line, ' ') + 1);
$track = ltrim(substr($line, 0, strpos($line, ' ')), '0');
//find the data type.
$datatype = strtolower(substr($line, strpos($line, ' ') + 1));
$this->cuesheet['tracks'][$track_on] = array('track_number'=>$track, 'datatype'=>$datatype);
}
}

View File

@ -0,0 +1,64 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.exe.php //
// module for analyzing EXE files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_exe extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$EXEheader = $this->fread(28);
$magic = 'MZ';
if (substr($EXEheader, 0, 2) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($EXEheader, 0, 2)).'"');
return false;
}
$info['fileformat'] = 'exe';
$info['exe']['mz']['magic'] = 'MZ';
$info['exe']['mz']['raw']['last_page_size'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 2, 2));
$info['exe']['mz']['raw']['page_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 4, 2));
$info['exe']['mz']['raw']['relocation_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 6, 2));
$info['exe']['mz']['raw']['header_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 8, 2));
$info['exe']['mz']['raw']['min_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 10, 2));
$info['exe']['mz']['raw']['max_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 12, 2));
$info['exe']['mz']['raw']['initial_ss'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 14, 2));
$info['exe']['mz']['raw']['initial_sp'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 16, 2));
$info['exe']['mz']['raw']['checksum'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 18, 2));
$info['exe']['mz']['raw']['cs_ip'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 20, 4));
$info['exe']['mz']['raw']['relocation_table_offset'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 24, 2));
$info['exe']['mz']['raw']['overlay_number'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 26, 2));
$info['exe']['mz']['byte_size'] = (($info['exe']['mz']['raw']['page_count'] - 1)) * 512 + $info['exe']['mz']['raw']['last_page_size'];
$info['exe']['mz']['header_size'] = $info['exe']['mz']['raw']['header_paragraphs'] * 16;
$info['exe']['mz']['memory_minimum'] = $info['exe']['mz']['raw']['min_memory_paragraphs'] * 16;
$info['exe']['mz']['memory_recommended'] = $info['exe']['mz']['raw']['max_memory_paragraphs'] * 16;
$this->error('EXE parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
}

View File

@ -0,0 +1,36 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.gpx.php //
// module for analyzing gpx files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_gpx extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'gpx';
$this->error('gpx parsing not enabled in this version of getID3()');
return false;
}
}

View File

@ -0,0 +1,433 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.iso.php //
// module for analyzing ISO files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_iso extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'iso';
for ($i = 16; $i <= 19; $i++) {
$this->fseek(2048 * $i);
$ISOheader = $this->fread(2048);
if (substr($ISOheader, 1, 5) == 'CD001') {
switch (ord($ISOheader[0])) {
case 1:
$info['iso']['primary_volume_descriptor']['offset'] = 2048 * $i;
$this->ParsePrimaryVolumeDescriptor($ISOheader);
break;
case 2:
$info['iso']['supplementary_volume_descriptor']['offset'] = 2048 * $i;
$this->ParseSupplementaryVolumeDescriptor($ISOheader);
break;
default:
// skip
break;
}
}
}
$this->ParsePathTable();
$info['iso']['files'] = array();
if (!empty($info['iso']['path_table']['directories'])) {
foreach ($info['iso']['path_table']['directories'] as $directorynum => $directorydata) {
$info['iso']['directories'][$directorynum] = $this->ParseDirectoryRecord($directorydata);
}
}
return true;
}
/**
* @param string $ISOheader
*
* @return bool
*/
public function ParsePrimaryVolumeDescriptor(&$ISOheader) {
// ISO integer values are stored *BOTH* Little-Endian AND Big-Endian format!!
// ie 12345 == 0x3039 is stored as $39 $30 $30 $39 in a 4-byte field
// shortcuts
$info = &$this->getid3->info;
$info['iso']['primary_volume_descriptor']['raw'] = array();
$thisfile_iso_primaryVD = &$info['iso']['primary_volume_descriptor'];
$thisfile_iso_primaryVD_raw = &$thisfile_iso_primaryVD['raw'];
$thisfile_iso_primaryVD_raw['volume_descriptor_type'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 0, 1));
$thisfile_iso_primaryVD_raw['standard_identifier'] = substr($ISOheader, 1, 5);
if ($thisfile_iso_primaryVD_raw['standard_identifier'] != 'CD001') {
$this->error('Expected "CD001" at offset ('.($thisfile_iso_primaryVD['offset'] + 1).'), found "'.$thisfile_iso_primaryVD_raw['standard_identifier'].'" instead');
unset($info['fileformat']);
unset($info['iso']);
return false;
}
$thisfile_iso_primaryVD_raw['volume_descriptor_version'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 6, 1));
//$thisfile_iso_primaryVD_raw['unused_1'] = substr($ISOheader, 7, 1);
$thisfile_iso_primaryVD_raw['system_identifier'] = substr($ISOheader, 8, 32);
$thisfile_iso_primaryVD_raw['volume_identifier'] = substr($ISOheader, 40, 32);
//$thisfile_iso_primaryVD_raw['unused_2'] = substr($ISOheader, 72, 8);
$thisfile_iso_primaryVD_raw['volume_space_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 80, 4));
//$thisfile_iso_primaryVD_raw['unused_3'] = substr($ISOheader, 88, 32);
$thisfile_iso_primaryVD_raw['volume_set_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 120, 2));
$thisfile_iso_primaryVD_raw['volume_sequence_number'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 124, 2));
$thisfile_iso_primaryVD_raw['logical_block_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 128, 2));
$thisfile_iso_primaryVD_raw['path_table_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 132, 4));
$thisfile_iso_primaryVD_raw['path_table_l_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 140, 2));
$thisfile_iso_primaryVD_raw['path_table_l_opt_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 144, 2));
$thisfile_iso_primaryVD_raw['path_table_m_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 148, 2));
$thisfile_iso_primaryVD_raw['path_table_m_opt_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 152, 2));
$thisfile_iso_primaryVD_raw['root_directory_record'] = substr($ISOheader, 156, 34);
$thisfile_iso_primaryVD_raw['volume_set_identifier'] = substr($ISOheader, 190, 128);
$thisfile_iso_primaryVD_raw['publisher_identifier'] = substr($ISOheader, 318, 128);
$thisfile_iso_primaryVD_raw['data_preparer_identifier'] = substr($ISOheader, 446, 128);
$thisfile_iso_primaryVD_raw['application_identifier'] = substr($ISOheader, 574, 128);
$thisfile_iso_primaryVD_raw['copyright_file_identifier'] = substr($ISOheader, 702, 37);
$thisfile_iso_primaryVD_raw['abstract_file_identifier'] = substr($ISOheader, 739, 37);
$thisfile_iso_primaryVD_raw['bibliographic_file_identifier'] = substr($ISOheader, 776, 37);
$thisfile_iso_primaryVD_raw['volume_creation_date_time'] = substr($ISOheader, 813, 17);
$thisfile_iso_primaryVD_raw['volume_modification_date_time'] = substr($ISOheader, 830, 17);
$thisfile_iso_primaryVD_raw['volume_expiration_date_time'] = substr($ISOheader, 847, 17);
$thisfile_iso_primaryVD_raw['volume_effective_date_time'] = substr($ISOheader, 864, 17);
$thisfile_iso_primaryVD_raw['file_structure_version'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 881, 1));
//$thisfile_iso_primaryVD_raw['unused_4'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 882, 1));
$thisfile_iso_primaryVD_raw['application_data'] = substr($ISOheader, 883, 512);
//$thisfile_iso_primaryVD_raw['unused_5'] = substr($ISOheader, 1395, 653);
$thisfile_iso_primaryVD['system_identifier'] = trim($thisfile_iso_primaryVD_raw['system_identifier']);
$thisfile_iso_primaryVD['volume_identifier'] = trim($thisfile_iso_primaryVD_raw['volume_identifier']);
$thisfile_iso_primaryVD['volume_set_identifier'] = trim($thisfile_iso_primaryVD_raw['volume_set_identifier']);
$thisfile_iso_primaryVD['publisher_identifier'] = trim($thisfile_iso_primaryVD_raw['publisher_identifier']);
$thisfile_iso_primaryVD['data_preparer_identifier'] = trim($thisfile_iso_primaryVD_raw['data_preparer_identifier']);
$thisfile_iso_primaryVD['application_identifier'] = trim($thisfile_iso_primaryVD_raw['application_identifier']);
$thisfile_iso_primaryVD['copyright_file_identifier'] = trim($thisfile_iso_primaryVD_raw['copyright_file_identifier']);
$thisfile_iso_primaryVD['abstract_file_identifier'] = trim($thisfile_iso_primaryVD_raw['abstract_file_identifier']);
$thisfile_iso_primaryVD['bibliographic_file_identifier'] = trim($thisfile_iso_primaryVD_raw['bibliographic_file_identifier']);
$thisfile_iso_primaryVD['volume_creation_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_creation_date_time']);
$thisfile_iso_primaryVD['volume_modification_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_modification_date_time']);
$thisfile_iso_primaryVD['volume_expiration_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_expiration_date_time']);
$thisfile_iso_primaryVD['volume_effective_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_effective_date_time']);
if (($thisfile_iso_primaryVD_raw['volume_space_size'] * 2048) > $info['filesize']) {
$this->error('Volume Space Size ('.($thisfile_iso_primaryVD_raw['volume_space_size'] * 2048).' bytes) is larger than the file size ('.$info['filesize'].' bytes) (truncated file?)');
}
return true;
}
/**
* @param string $ISOheader
*
* @return bool
*/
public function ParseSupplementaryVolumeDescriptor(&$ISOheader) {
// ISO integer values are stored Both-Endian format!!
// ie 12345 == 0x3039 is stored as $39 $30 $30 $39 in a 4-byte field
// shortcuts
$info = &$this->getid3->info;
$info['iso']['supplementary_volume_descriptor']['raw'] = array();
$thisfile_iso_supplementaryVD = &$info['iso']['supplementary_volume_descriptor'];
$thisfile_iso_supplementaryVD_raw = &$thisfile_iso_supplementaryVD['raw'];
$thisfile_iso_supplementaryVD_raw['volume_descriptor_type'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 0, 1));
$thisfile_iso_supplementaryVD_raw['standard_identifier'] = substr($ISOheader, 1, 5);
if ($thisfile_iso_supplementaryVD_raw['standard_identifier'] != 'CD001') {
$this->error('Expected "CD001" at offset ('.($thisfile_iso_supplementaryVD['offset'] + 1).'), found "'.$thisfile_iso_supplementaryVD_raw['standard_identifier'].'" instead');
unset($info['fileformat']);
unset($info['iso']);
return false;
}
$thisfile_iso_supplementaryVD_raw['volume_descriptor_version'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 6, 1));
//$thisfile_iso_supplementaryVD_raw['unused_1'] = substr($ISOheader, 7, 1);
$thisfile_iso_supplementaryVD_raw['system_identifier'] = substr($ISOheader, 8, 32);
$thisfile_iso_supplementaryVD_raw['volume_identifier'] = substr($ISOheader, 40, 32);
//$thisfile_iso_supplementaryVD_raw['unused_2'] = substr($ISOheader, 72, 8);
$thisfile_iso_supplementaryVD_raw['volume_space_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 80, 4));
if ($thisfile_iso_supplementaryVD_raw['volume_space_size'] == 0) {
// Supplementary Volume Descriptor not used
//unset($thisfile_iso_supplementaryVD);
//return false;
}
//$thisfile_iso_supplementaryVD_raw['unused_3'] = substr($ISOheader, 88, 32);
$thisfile_iso_supplementaryVD_raw['volume_set_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 120, 2));
$thisfile_iso_supplementaryVD_raw['volume_sequence_number'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 124, 2));
$thisfile_iso_supplementaryVD_raw['logical_block_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 128, 2));
$thisfile_iso_supplementaryVD_raw['path_table_size'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 132, 4));
$thisfile_iso_supplementaryVD_raw['path_table_l_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 140, 2));
$thisfile_iso_supplementaryVD_raw['path_table_l_opt_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 144, 2));
$thisfile_iso_supplementaryVD_raw['path_table_m_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 148, 2));
$thisfile_iso_supplementaryVD_raw['path_table_m_opt_location'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 152, 2));
$thisfile_iso_supplementaryVD_raw['root_directory_record'] = substr($ISOheader, 156, 34);
$thisfile_iso_supplementaryVD_raw['volume_set_identifier'] = substr($ISOheader, 190, 128);
$thisfile_iso_supplementaryVD_raw['publisher_identifier'] = substr($ISOheader, 318, 128);
$thisfile_iso_supplementaryVD_raw['data_preparer_identifier'] = substr($ISOheader, 446, 128);
$thisfile_iso_supplementaryVD_raw['application_identifier'] = substr($ISOheader, 574, 128);
$thisfile_iso_supplementaryVD_raw['copyright_file_identifier'] = substr($ISOheader, 702, 37);
$thisfile_iso_supplementaryVD_raw['abstract_file_identifier'] = substr($ISOheader, 739, 37);
$thisfile_iso_supplementaryVD_raw['bibliographic_file_identifier'] = substr($ISOheader, 776, 37);
$thisfile_iso_supplementaryVD_raw['volume_creation_date_time'] = substr($ISOheader, 813, 17);
$thisfile_iso_supplementaryVD_raw['volume_modification_date_time'] = substr($ISOheader, 830, 17);
$thisfile_iso_supplementaryVD_raw['volume_expiration_date_time'] = substr($ISOheader, 847, 17);
$thisfile_iso_supplementaryVD_raw['volume_effective_date_time'] = substr($ISOheader, 864, 17);
$thisfile_iso_supplementaryVD_raw['file_structure_version'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 881, 1));
//$thisfile_iso_supplementaryVD_raw['unused_4'] = getid3_lib::LittleEndian2Int(substr($ISOheader, 882, 1));
$thisfile_iso_supplementaryVD_raw['application_data'] = substr($ISOheader, 883, 512);
//$thisfile_iso_supplementaryVD_raw['unused_5'] = substr($ISOheader, 1395, 653);
$thisfile_iso_supplementaryVD['system_identifier'] = trim($thisfile_iso_supplementaryVD_raw['system_identifier']);
$thisfile_iso_supplementaryVD['volume_identifier'] = trim($thisfile_iso_supplementaryVD_raw['volume_identifier']);
$thisfile_iso_supplementaryVD['volume_set_identifier'] = trim($thisfile_iso_supplementaryVD_raw['volume_set_identifier']);
$thisfile_iso_supplementaryVD['publisher_identifier'] = trim($thisfile_iso_supplementaryVD_raw['publisher_identifier']);
$thisfile_iso_supplementaryVD['data_preparer_identifier'] = trim($thisfile_iso_supplementaryVD_raw['data_preparer_identifier']);
$thisfile_iso_supplementaryVD['application_identifier'] = trim($thisfile_iso_supplementaryVD_raw['application_identifier']);
$thisfile_iso_supplementaryVD['copyright_file_identifier'] = trim($thisfile_iso_supplementaryVD_raw['copyright_file_identifier']);
$thisfile_iso_supplementaryVD['abstract_file_identifier'] = trim($thisfile_iso_supplementaryVD_raw['abstract_file_identifier']);
$thisfile_iso_supplementaryVD['bibliographic_file_identifier'] = trim($thisfile_iso_supplementaryVD_raw['bibliographic_file_identifier']);
$thisfile_iso_supplementaryVD['volume_creation_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_creation_date_time']);
$thisfile_iso_supplementaryVD['volume_modification_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_modification_date_time']);
$thisfile_iso_supplementaryVD['volume_expiration_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_expiration_date_time']);
$thisfile_iso_supplementaryVD['volume_effective_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_effective_date_time']);
if (($thisfile_iso_supplementaryVD_raw['volume_space_size'] * $thisfile_iso_supplementaryVD_raw['logical_block_size']) > $info['filesize']) {
$this->error('Volume Space Size ('.($thisfile_iso_supplementaryVD_raw['volume_space_size'] * $thisfile_iso_supplementaryVD_raw['logical_block_size']).' bytes) is larger than the file size ('.$info['filesize'].' bytes) (truncated file?)');
}
return true;
}
/**
* @return bool
*/
public function ParsePathTable() {
$info = &$this->getid3->info;
if (!isset($info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location']) && !isset($info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'])) {
return false;
}
if (isset($info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'])) {
$PathTableLocation = $info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'];
$PathTableSize = $info['iso']['supplementary_volume_descriptor']['raw']['path_table_size'];
$TextEncoding = 'UTF-16BE'; // Big-Endian Unicode
} else {
$PathTableLocation = $info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'];
$PathTableSize = $info['iso']['primary_volume_descriptor']['raw']['path_table_size'];
$TextEncoding = 'ISO-8859-1'; // Latin-1
}
if (($PathTableLocation * 2048) > $info['filesize']) {
$this->error('Path Table Location specifies an offset ('.($PathTableLocation * 2048).') beyond the end-of-file ('.$info['filesize'].')');
return false;
}
$info['iso']['path_table']['offset'] = $PathTableLocation * 2048;
$this->fseek($info['iso']['path_table']['offset']);
$info['iso']['path_table']['raw'] = $this->fread($PathTableSize);
$offset = 0;
$pathcounter = 1;
$FullPathArray = array();
while ($offset < $PathTableSize) {
// shortcut
$info['iso']['path_table']['directories'][$pathcounter] = array();
$thisfile_iso_pathtable_directories_current = &$info['iso']['path_table']['directories'][$pathcounter];
$thisfile_iso_pathtable_directories_current['length'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 1));
$offset += 1;
$thisfile_iso_pathtable_directories_current['extended_length'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 1));
$offset += 1;
$thisfile_iso_pathtable_directories_current['location_logical'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 4));
$offset += 4;
$thisfile_iso_pathtable_directories_current['parent_directory'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 2));
$offset += 2;
$thisfile_iso_pathtable_directories_current['name'] = substr($info['iso']['path_table']['raw'], $offset, $thisfile_iso_pathtable_directories_current['length']);
$offset += $thisfile_iso_pathtable_directories_current['length'] + ($thisfile_iso_pathtable_directories_current['length'] % 2);
$thisfile_iso_pathtable_directories_current['name_ascii'] = getid3_lib::iconv_fallback($TextEncoding, $info['encoding'], $thisfile_iso_pathtable_directories_current['name']);
$thisfile_iso_pathtable_directories_current['location_bytes'] = $thisfile_iso_pathtable_directories_current['location_logical'] * 2048;
if ($pathcounter == 1) {
$thisfile_iso_pathtable_directories_current['full_path'] = '/';
} else {
$thisfile_iso_pathtable_directories_current['full_path'] = $info['iso']['path_table']['directories'][$thisfile_iso_pathtable_directories_current['parent_directory']]['full_path'].$thisfile_iso_pathtable_directories_current['name_ascii'].'/';
}
$FullPathArray[] = $thisfile_iso_pathtable_directories_current['full_path'];
$pathcounter++;
}
return true;
}
/**
* @param array $directorydata
*
* @return array
*/
public function ParseDirectoryRecord($directorydata) {
$info = &$this->getid3->info;
if (isset($info['iso']['supplementary_volume_descriptor'])) {
$TextEncoding = 'UTF-16BE'; // Big-Endian Unicode
} else {
$TextEncoding = 'ISO-8859-1'; // Latin-1
}
$this->fseek($directorydata['location_bytes']);
$DirectoryRecordData = $this->fread(1);
$DirectoryRecord = array();
while (ord($DirectoryRecordData[0]) > 33) {
$DirectoryRecordData .= $this->fread(ord($DirectoryRecordData[0]) - 1);
$ThisDirectoryRecord = array();
$ThisDirectoryRecord['raw']['length'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 0, 1));
$ThisDirectoryRecord['raw']['extended_attribute_length'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 1, 1));
$ThisDirectoryRecord['raw']['offset_logical'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 2, 4));
$ThisDirectoryRecord['raw']['filesize'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 10, 4));
$ThisDirectoryRecord['raw']['recording_date_time'] = substr($DirectoryRecordData, 18, 7);
$ThisDirectoryRecord['raw']['file_flags'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 25, 1));
$ThisDirectoryRecord['raw']['file_unit_size'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 26, 1));
$ThisDirectoryRecord['raw']['interleave_gap_size'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 27, 1));
$ThisDirectoryRecord['raw']['volume_sequence_number'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 28, 2));
$ThisDirectoryRecord['raw']['file_identifier_length'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 32, 1));
$ThisDirectoryRecord['raw']['file_identifier'] = substr($DirectoryRecordData, 33, $ThisDirectoryRecord['raw']['file_identifier_length']);
$ThisDirectoryRecord['file_identifier_ascii'] = getid3_lib::iconv_fallback($TextEncoding, $info['encoding'], $ThisDirectoryRecord['raw']['file_identifier']);
$ThisDirectoryRecord['filesize'] = $ThisDirectoryRecord['raw']['filesize'];
$ThisDirectoryRecord['offset_bytes'] = $ThisDirectoryRecord['raw']['offset_logical'] * 2048;
$ThisDirectoryRecord['file_flags']['hidden'] = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x01);
$ThisDirectoryRecord['file_flags']['directory'] = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x02);
$ThisDirectoryRecord['file_flags']['associated'] = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x04);
$ThisDirectoryRecord['file_flags']['extended'] = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x08);
$ThisDirectoryRecord['file_flags']['permissions'] = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x10);
$ThisDirectoryRecord['file_flags']['multiple'] = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x80);
$ThisDirectoryRecord['recording_timestamp'] = $this->ISOtime2UNIXtime($ThisDirectoryRecord['raw']['recording_date_time']);
if ($ThisDirectoryRecord['file_flags']['directory']) {
$ThisDirectoryRecord['filename'] = $directorydata['full_path'];
} else {
$ThisDirectoryRecord['filename'] = $directorydata['full_path'].$this->ISOstripFilenameVersion($ThisDirectoryRecord['file_identifier_ascii']);
$info['iso']['files'] = getid3_lib::array_merge_clobber($info['iso']['files'], getid3_lib::CreateDeepArray($ThisDirectoryRecord['filename'], '/', $ThisDirectoryRecord['filesize']));
}
$DirectoryRecord[] = $ThisDirectoryRecord;
$DirectoryRecordData = $this->fread(1);
}
return $DirectoryRecord;
}
/**
* @param string $ISOfilename
*
* @return string
*/
public function ISOstripFilenameVersion($ISOfilename) {
// convert 'filename.ext;1' to 'filename.ext'
if (!strstr($ISOfilename, ';')) {
return $ISOfilename;
} else {
return substr($ISOfilename, 0, strpos($ISOfilename, ';'));
}
}
/**
* @param string $ISOtime
*
* @return int|false
*/
public function ISOtimeText2UNIXtime($ISOtime) {
$UNIXyear = (int) substr($ISOtime, 0, 4);
$UNIXmonth = (int) substr($ISOtime, 4, 2);
$UNIXday = (int) substr($ISOtime, 6, 2);
$UNIXhour = (int) substr($ISOtime, 8, 2);
$UNIXminute = (int) substr($ISOtime, 10, 2);
$UNIXsecond = (int) substr($ISOtime, 12, 2);
if (!$UNIXyear) {
return false;
}
return gmmktime($UNIXhour, $UNIXminute, $UNIXsecond, $UNIXmonth, $UNIXday, $UNIXyear);
}
/**
* @param string $ISOtime
*
* @return int
*/
public function ISOtime2UNIXtime($ISOtime) {
// Represented by seven bytes:
// 1: Number of years since 1900
// 2: Month of the year from 1 to 12
// 3: Day of the Month from 1 to 31
// 4: Hour of the day from 0 to 23
// 5: Minute of the hour from 0 to 59
// 6: second of the minute from 0 to 59
// 7: Offset from Greenwich Mean Time in number of 15 minute intervals from -48 (West) to +52 (East)
$UNIXyear = ord($ISOtime[0]) + 1900;
$UNIXmonth = ord($ISOtime[1]);
$UNIXday = ord($ISOtime[2]);
$UNIXhour = ord($ISOtime[3]);
$UNIXminute = ord($ISOtime[4]);
$UNIXsecond = ord($ISOtime[5]);
$GMToffset = $this->TwosCompliment2Decimal(ord($ISOtime[5]));
return gmmktime($UNIXhour, $UNIXminute, $UNIXsecond, $UNIXmonth, $UNIXday, $UNIXyear);
}
/**
* @param int $BinaryValue
*
* @return int
*/
public function TwosCompliment2Decimal($BinaryValue) {
// http://sandbox.mc.edu/~bennet/cs110/tc/tctod.html
// First check if the number is negative or positive by looking at the sign bit.
// If it is positive, simply convert it to decimal.
// If it is negative, make it positive by inverting the bits and adding one.
// Then, convert the result to decimal.
// The negative of this number is the value of the original binary.
if ($BinaryValue & 0x80) {
// negative number
return (0 - ((~$BinaryValue & 0xFF) + 1));
} else {
// positive number
return $BinaryValue;
}
}
}

View File

@ -0,0 +1,43 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.msoffice.php //
// module for analyzing MS Office (.doc, .xls, etc) files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_msoffice extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$DOCFILEheader = $this->fread(8);
$magic = "\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1";
if (substr($DOCFILEheader, 0, 8) != $magic) {
$this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at '.$info['avdataoffset'].', found '.getid3_lib::PrintHexBytes(substr($DOCFILEheader, 0, 8)).' instead.');
return false;
}
$info['fileformat'] = 'msoffice';
$this->error('MS Office (.doc, .xls, etc) parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
return false;
}
}

View File

@ -0,0 +1,36 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.par2.php //
// module for analyzing PAR2 files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_par2 extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$info['fileformat'] = 'par2';
$this->error('PAR2 parsing not enabled in this version of getID3()');
return false;
}
}

View File

@ -0,0 +1,158 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.pdf.php //
// module for analyzing PDF files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_pdf extends getid3_handler
{
/** misc.pdf
* return full details of PDF Cross-Reference Table (XREF)
*
* @var bool
*/
public $returnXREF = false;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek(0);
if (preg_match('#^%PDF-([0-9\\.]+)$#', rtrim($this->fgets()), $matches)) {
$info['pdf']['header']['version'] = floatval($matches[1]);
$info['fileformat'] = 'pdf';
// the PDF Cross-Reference Table (XREF) is located near the end of the file
// the starting offset is specified in the penultimate section, on the two lines just before "%%EOF"
// the first line is "startxref", the second line is the byte offset of the XREF.
// We know the length of "%%EOF" and "startxref", but the offset could be 2-10 bytes,
// and we're not sure if the line ends are one or two bytes, so we might find "startxref" as little as 18(?) bytes
// from EOF, but it could 30 bytes, so we start 40 bytes back just to be safe and do a search for the data we want.
$this->fseek(-40, SEEK_END);
if (preg_match('#[\r\n]startxref[ \r\n]+([0-9]+)[ \r\n]+#', $this->fread(40), $matches)) {
$info['pdf']['trailer']['startxref'] = intval($matches[1]);
$this->parseXREF($info['pdf']['trailer']['startxref']);
if (!empty($info['pdf']['xref']['offset'])) {
while (!$this->feof() && (max(array_keys($info['pdf']['xref']['offset'])) > $info['pdf']['xref']['count'])) {
// suspect that there may be another XREF entry somewhere in the file, brute-force scan for it
/*
// starting at last known entry of main XREF table
$this->fseek(max($info['pdf']['xref']['offset']));
*/
// starting at the beginning of the file
$this->fseek(0);
while (!$this->feof()) {
$XREFoffset = $this->ftell();
if (rtrim($this->fgets()) == 'xref') {
if (empty($info['pdf']['xref']['xref_offsets']) || !in_array($XREFoffset, $info['pdf']['xref']['xref_offsets'])) {
$this->parseXREF($XREFoffset);
break;
}
}
}
}
asort($info['pdf']['xref']['offset']);
$maxObjLengths = array();
$prevOffset = 0;
$prevObjNum = 0;
foreach ($info['pdf']['xref']['offset'] as $objectNumber => $offset) {
// walk through all listed offsets to calculate the maximum possible length for each known object
if ($prevObjNum) {
$maxObjLengths[$prevObjNum] = $offset - $prevOffset;
}
$prevOffset = $offset;
$prevObjNum = $objectNumber;
}
ksort($maxObjLengths);
foreach ($info['pdf']['xref']['offset'] as $objectNumber => $offset) {
if ($info['pdf']['xref']['entry'][$objectNumber] == 'f') {
// "free" object means "deleted", ignore
continue;
}
if (!empty($maxObjLengths[$objectNumber]) && ($maxObjLengths[$objectNumber] < $this->getid3->option_fread_buffer_size)) {
// ignore object that are zero-size or >32kB, they are unlikely to contain information we're interested in
$this->fseek($offset);
$objBlob = $this->fread($maxObjLengths[$objectNumber]);
if (preg_match('#^'.$objectNumber.'[\\x00 \\r\\n\\t]*([0-9]+)[\\x00 \\r\\n\\t]*obj[\\x00 \\r\\n\\t]*(.*)(endobj)?[\\x00 \\r\\n\\t]*$#s', $objBlob, $matches)) {
list($dummy, $generation, $objectData) = $matches;
if (preg_match('#^<<[\r\n\s]*(/Type|/Pages|/Parent [0-9]+ [0-9]+ [A-Z]|/Count [0-9]+|/Kids *\\[[0-9A-Z ]+\\]|[\r\n\s])+[\r\n\s]*>>#', $objectData, $matches)) {
if (preg_match('#/Count ([0-9]+)#', $objectData, $matches)) {
$info['pdf']['pages'] = (int) $matches[1];
break; // for now this is the only data we're looking for in the PDF not need to loop through every object in the file (and a large PDF may contain MANY objects). And it MAY be possible that there are other objects elsewhere in the file that define additional (or removed?) pages
}
}
} else {
$this->error('Unexpected structure "'.substr($objBlob, 0, 100).'" at offset '.$offset);
break;
}
}
}
if (!$this->returnXREF) {
unset($info['pdf']['xref']['offset'], $info['pdf']['xref']['generation'], $info['pdf']['xref']['entry'], $info['pdf']['xref']['xref_offsets']);
}
} else {
$this->error('Did not find "xref" at offset '.$info['pdf']['trailer']['startxref']);
}
} else {
$this->error('Did not find "startxref" in the last 40 bytes of the PDF');
}
$this->warning('PDF parsing incomplete in this version of getID3() ['.$this->getid3->version().']');
return true;
}
$this->error('Did not find "%PDF" at the beginning of the PDF');
return false;
}
/**
* @return bool
*/
private function parseXREF($XREFoffset) {
$info = &$this->getid3->info;
$this->fseek($XREFoffset);
if (rtrim($this->fgets()) == 'xref') {
$info['pdf']['xref']['xref_offsets'][$XREFoffset] = $XREFoffset;
list($firstObjectNumber, $XREFcount) = explode(' ', rtrim($this->fgets()));
$firstObjectNumber = (int) $firstObjectNumber;
$XREFcount = (int) $XREFcount;
$info['pdf']['xref']['count'] = $XREFcount + (!empty($info['pdf']['xref']['count']) ? $info['pdf']['xref']['count'] : 0);
for ($i = 0; $i < $XREFcount; $i++) {
$line = rtrim($this->fgets());
if (preg_match('#^([0-9]+) ([0-9]+) ([nf])$#', $line, $matches)) {
$info['pdf']['xref']['offset'][($firstObjectNumber + $i)] = (int) $matches[1];
$info['pdf']['xref']['generation'][($firstObjectNumber + $i)] = (int) $matches[2];
$info['pdf']['xref']['entry'][($firstObjectNumber + $i)] = $matches[3];
} else {
$this->error('failed to parse XREF entry #'.$i.' in XREF table at offset '.$XREFoffset);
return false;
}
}
sort($info['pdf']['xref']['xref_offsets']);
return true;
}
$this->warning('failed to find expected XREF structure at offset '.$XREFoffset);
return false;
}
}

View File

@ -0,0 +1,247 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.torrent.php //
// module for analyzing .torrent files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_torrent extends getid3_handler
{
/**
* Assume all .torrent files are less than 1MB and just read entire thing into memory for easy processing.
* Override this value if you need to process files larger than 1MB
*
* @var int
*/
public $max_torrent_filesize = 1048576;
/**
* calculated InfoHash (SHA1 of the entire "info" Dictionary)
*
* @var string
*/
private $infohash = '';
const PIECE_HASHLENGTH = 20; // number of bytes the SHA1 hash is for each piece
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$filesize = $info['avdataend'] - $info['avdataoffset'];
if ($filesize > $this->max_torrent_filesize) { //
$this->error('File larger ('.number_format($filesize).' bytes) than $max_torrent_filesize ('.number_format($this->max_torrent_filesize).' bytes), increase getid3_torrent->max_torrent_filesize if needed');
return false;
}
$this->fseek($info['avdataoffset']);
$TORRENT = $this->fread($filesize);
$offset = 0;
if (!preg_match('#^(d8\\:announce|d7\\:comment)#', $TORRENT)) {
$this->error('Expecting "d8:announce" or "d7:comment" at '.$info['avdataoffset'].', found "'.substr($TORRENT, $offset, 12).'" instead.');
return false;
}
$info['fileformat'] = 'torrent';
$info['torrent'] = $this->NextEntity($TORRENT, $offset);
if ($this->infohash) {
$info['torrent']['infohash'] = $this->infohash;
}
if (empty($info['torrent']['info']['length']) && !empty($info['torrent']['info']['files'][0]['length'])) {
$info['torrent']['info']['length'] = 0;
foreach ($info['torrent']['info']['files'] as $key => $filedetails) {
$info['torrent']['info']['length'] += $filedetails['length'];
}
}
if (!empty($info['torrent']['info']['length']) && !empty($info['torrent']['info']['piece length']) && !empty($info['torrent']['info']['pieces'])) {
$num_pieces_size = ceil($info['torrent']['info']['length'] / $info['torrent']['info']['piece length']);
$num_pieces_hash = strlen($info['torrent']['info']['pieces']) / getid3_torrent::PIECE_HASHLENGTH; // should be concatenated 20-byte SHA1 hashes
if ($num_pieces_hash == $num_pieces_size) {
$info['torrent']['info']['piece_hash'] = array();
for ($i = 0; $i < $num_pieces_size; $i++) {
$info['torrent']['info']['piece_hash'][$i] = '';
for ($j = 0; $j < getid3_torrent::PIECE_HASHLENGTH; $j++) {
$info['torrent']['info']['piece_hash'][$i] .= sprintf('%02x', ord($info['torrent']['info']['pieces'][(($i * getid3_torrent::PIECE_HASHLENGTH) + $j)]));
}
}
unset($info['torrent']['info']['pieces']);
} else {
$this->warning('found '.$num_pieces_size.' pieces based on file/chunk size; found '.$num_pieces_hash.' pieces in hash table');
}
}
if (!empty($info['torrent']['info']['name']) && !empty($info['torrent']['info']['length']) && !isset($info['torrent']['info']['files'])) {
// single-file torrent
$info['torrent']['files'] = array($info['torrent']['info']['name'] => $info['torrent']['info']['length']);
} elseif (!empty($info['torrent']['info']['files'])) {
// multi-file torrent
$info['torrent']['files'] = array();
foreach ($info['torrent']['info']['files'] as $key => $filedetails) {
$info['torrent']['files'][implode('/', $filedetails['path'])] = $filedetails['length'];
}
} else {
$this->warning('no files found');
}
return true;
}
/**
* @return string|array|int|bool
*/
public function NextEntity(&$TORRENT, &$offset) {
// https://fileformats.fandom.com/wiki/Torrent_file
// https://en.wikipedia.org/wiki/Torrent_file
// https://en.wikipedia.org/wiki/Bencode
if ($offset >= strlen($TORRENT)) {
$this->error('cannot read beyond end of file '.$offset);
return false;
}
$type = $TORRENT[$offset++];
if ($type == 'i') {
// Integers are stored as i<integer>e:
// i90e
$value = $this->ReadSequentialDigits($TORRENT, $offset, true);
if ($TORRENT[$offset++] == 'e') {
//echo '<li>int: '.$value.'</li>';
return (int) $value;
}
$this->error('unexpected('.__LINE__.') input "'.$value.'" at offset '.($offset - 1));
return false;
} elseif ($type == 'd') {
// Dictionaries are stored as d[key1][value1][key2][value2][...]e. Keys and values appear alternately.
// Keys must be strings and must be ordered alphabetically.
// For example, {apple-red, lemon-yellow, violet-blue, banana-yellow} is stored as:
// d5:apple3:red6:banana6:yellow5:lemon6:yellow6:violet4:bluee
$values = array();
//echo 'DICTIONARY @ '.$offset.'<ul>';
$info_dictionary_start = null; // dummy declaration to prevent "Variable might not be defined" warnings
while (true) {
if ($TORRENT[$offset] === 'e') {
break;
}
$thisentry = array();
$key = $this->NextEntity($TORRENT, $offset);
if ($key == 'info') {
$info_dictionary_start = $offset;
}
if ($key === false) {
$this->error('unexpected('.__LINE__.') input at offset '.$offset);
return false;
}
$value = $this->NextEntity($TORRENT, $offset);
if ($key == 'info') {
$info_dictionary_end = $offset;
$this->infohash = sha1(substr($TORRENT, $info_dictionary_start, $info_dictionary_end - $info_dictionary_start));
}
if ($value === false) {
$this->error('unexpected('.__LINE__.') input at offset '.$offset);
return false;
}
$values[$key] = $value;
}
if ($TORRENT[$offset++] == 'e') {
//echo '</ul>';
return $values;
}
$this->error('unexpected('.__LINE__.') input "'.$TORRENT[($offset - 1)].'" at offset '.($offset - 1));
return false;
} elseif ($type == 'l') {
//echo 'LIST @ '.$offset.'<ul>';
// Lists are stored as l[value 1][value2][value3][...]e. For example, {spam, eggs, cheeseburger} is stored as:
// l4:spam4:eggs12:cheeseburgere
$values = array();
while (true) {
if ($TORRENT[$offset] === 'e') {
break;
}
$NextEntity = $this->NextEntity($TORRENT, $offset);
if ($NextEntity === false) {
$this->error('unexpected('.__LINE__.') input at offset '.($offset - 1));
return false;
}
$values[] = $NextEntity;
}
if ($TORRENT[$offset++] == 'e') {
//echo '</ul>';
return $values;
}
$this->error('unexpected('.__LINE__.') input "'.$TORRENT[($offset - 1)].'" at offset '.($offset - 1));
return false;
} elseif (ctype_digit($type)) {
// Strings are stored as <length of string>:<string>:
// 4:wiki
$length = $type;
while (true) {
$char = $TORRENT[$offset++];
if ($char == ':') {
break;
} elseif (!ctype_digit($char)) {
$this->error('unexpected('.__LINE__.') input "'.$char.'" at offset '.($offset - 1));
return false;
}
$length .= $char;
}
if (($offset + $length) > strlen($TORRENT)) {
$this->error('string at offset '.$offset.' claims to be '.$length.' bytes long but only '.(strlen($TORRENT) - $offset).' bytes of data left in file');
return false;
}
$string = substr($TORRENT, $offset, $length);
$offset += $length;
//echo '<li>string: '.$string.'</li>';
return (string) $string;
} else {
$this->error('unexpected('.__LINE__.') input "'.$type.'" at offset '.($offset - 1));
return false;
}
}
/**
* @return string
*/
public function ReadSequentialDigits(&$TORRENT, &$offset, $allow_negative=false) {
$start_offset = $offset;
$value = '';
while (true) {
$char = $TORRENT[$offset++];
if (!ctype_digit($char)) {
if ($allow_negative && ($char == '-') && (strlen($value) == 0)) {
// allow negative-sign if first character and $allow_negative enabled
} else {
$offset--;
break;
}
}
$value .= $char;
}
if (($value[0] === '0') && ($value !== '0')) {
$this->warning('illegal zero-padded number "'.$value.'" at offset '.$start_offset);
}
return $value;
}
}

View File

@ -0,0 +1,458 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.tag.apetag.php //
// module for analyzing APE tags //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_apetag extends getid3_handler
{
/**
* true: return full data for all attachments;
* false: return no data for all attachments;
* integer: return data for attachments <= than this;
* string: save as file to this directory.
*
* @var int|bool|string
*/
public $inline_attachments = true;
public $overrideendoffset = 0;
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
if (!getid3_lib::intValueSupported($info['filesize'])) {
$this->warning('Unable to check for APEtags because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
return false;
}
if (PHP_INT_MAX == 2147483647) {
// https://github.com/JamesHeinrich/getID3/issues/439
$this->warning('APEtag flags may not be parsed correctly on 32-bit PHP');
}
$id3v1tagsize = 128;
$apetagheadersize = 32;
$lyrics3tagsize = 10;
if ($this->overrideendoffset == 0) {
$this->fseek(0 - $id3v1tagsize - $apetagheadersize - $lyrics3tagsize, SEEK_END);
$APEfooterID3v1 = $this->fread($id3v1tagsize + $apetagheadersize + $lyrics3tagsize);
//if (preg_match('/APETAGEX.{24}TAG.{125}$/i', $APEfooterID3v1)) {
if (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $id3v1tagsize - $apetagheadersize, 8) == 'APETAGEX') {
// APE tag found before ID3v1
$info['ape']['tag_offset_end'] = $info['filesize'] - $id3v1tagsize;
//} elseif (preg_match('/APETAGEX.{24}$/i', $APEfooterID3v1)) {
} elseif (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $apetagheadersize, 8) == 'APETAGEX') {
// APE tag found, no ID3v1
$info['ape']['tag_offset_end'] = $info['filesize'];
}
} else {
$this->fseek($this->overrideendoffset - $apetagheadersize);
if ($this->fread(8) == 'APETAGEX') {
$info['ape']['tag_offset_end'] = $this->overrideendoffset;
}
}
if (!isset($info['ape']['tag_offset_end'])) {
// APE tag not found
unset($info['ape']);
return false;
}
// shortcut
$thisfile_ape = &$info['ape'];
$this->fseek($thisfile_ape['tag_offset_end'] - $apetagheadersize);
$APEfooterData = $this->fread(32);
if (!($thisfile_ape['footer'] = $this->parseAPEheaderFooter($APEfooterData))) {
$this->error('Error parsing APE footer at offset '.$thisfile_ape['tag_offset_end']);
return false;
}
if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
$this->fseek($thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'] - $apetagheadersize);
$thisfile_ape['tag_offset_start'] = $this->ftell();
$APEtagData = $this->fread($thisfile_ape['footer']['raw']['tagsize'] + $apetagheadersize);
} else {
$thisfile_ape['tag_offset_start'] = $thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'];
$this->fseek($thisfile_ape['tag_offset_start']);
$APEtagData = $this->fread($thisfile_ape['footer']['raw']['tagsize']);
}
$info['avdataend'] = $thisfile_ape['tag_offset_start'];
if (isset($info['id3v1']['tag_offset_start']) && ($info['id3v1']['tag_offset_start'] < $thisfile_ape['tag_offset_end'])) {
$this->warning('ID3v1 tag information ignored since it appears to be a false synch in APEtag data');
unset($info['id3v1']);
foreach ($info['warning'] as $key => $value) {
if ($value == 'Some ID3v1 fields do not use NULL characters for padding') {
unset($info['warning'][$key]);
sort($info['warning']);
break;
}
}
}
$offset = 0;
if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
if ($thisfile_ape['header'] = $this->parseAPEheaderFooter(substr($APEtagData, 0, $apetagheadersize))) {
$offset += $apetagheadersize;
} else {
$this->error('Error parsing APE header at offset '.$thisfile_ape['tag_offset_start']);
return false;
}
}
// shortcut
$info['replay_gain'] = array();
$thisfile_replaygain = &$info['replay_gain'];
for ($i = 0; $i < $thisfile_ape['footer']['raw']['tag_items']; $i++) {
$value_size = getid3_lib::LittleEndian2Int(substr($APEtagData, $offset, 4));
$offset += 4;
$item_flags = getid3_lib::LittleEndian2Int(substr($APEtagData, $offset, 4));
$offset += 4;
if (strstr(substr($APEtagData, $offset), "\x00") === false) {
$this->error('Cannot find null-byte (0x00) separator between ItemKey #'.$i.' and value. ItemKey starts '.$offset.' bytes into the APE tag, at file offset '.($thisfile_ape['tag_offset_start'] + $offset));
return false;
}
$ItemKeyLength = strpos($APEtagData, "\x00", $offset) - $offset;
$item_key = strtolower(substr($APEtagData, $offset, $ItemKeyLength));
// shortcut
$thisfile_ape['items'][$item_key] = array();
$thisfile_ape_items_current = &$thisfile_ape['items'][$item_key];
$thisfile_ape_items_current['offset'] = $thisfile_ape['tag_offset_start'] + $offset;
$offset += ($ItemKeyLength + 1); // skip 0x00 terminator
$thisfile_ape_items_current['data'] = substr($APEtagData, $offset, $value_size);
$offset += $value_size;
$thisfile_ape_items_current['flags'] = $this->parseAPEtagFlags($item_flags);
switch ($thisfile_ape_items_current['flags']['item_contents_raw']) {
case 0: // UTF-8
case 2: // Locator (URL, filename, etc), UTF-8 encoded
$thisfile_ape_items_current['data'] = explode("\x00", $thisfile_ape_items_current['data']);
break;
case 1: // binary data
default:
break;
}
switch (strtolower($item_key)) {
// http://wiki.hydrogenaud.io/index.php?title=ReplayGain#MP3Gain
case 'replaygain_track_gain':
if (preg_match('#^([\\-\\+][0-9\\.,]{8})( dB)?$#', $thisfile_ape_items_current['data'][0], $matches)) {
$thisfile_replaygain['track']['adjustment'] = (float) str_replace(',', '.', $matches[1]); // float casting will see "0,95" as zero!
$thisfile_replaygain['track']['originator'] = 'unspecified';
} else {
$this->warning('MP3gainTrackGain value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
}
break;
case 'replaygain_track_peak':
if (preg_match('#^([0-9\\.,]{8})$#', $thisfile_ape_items_current['data'][0], $matches)) {
$thisfile_replaygain['track']['peak'] = (float) str_replace(',', '.', $matches[1]); // float casting will see "0,95" as zero!
$thisfile_replaygain['track']['originator'] = 'unspecified';
if ($thisfile_replaygain['track']['peak'] <= 0) {
$this->warning('ReplayGain Track peak from APEtag appears invalid: '.$thisfile_replaygain['track']['peak'].' (original value = "'.$thisfile_ape_items_current['data'][0].'")');
}
} else {
$this->warning('MP3gainTrackPeak value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
}
break;
case 'replaygain_album_gain':
if (preg_match('#^([\\-\\+][0-9\\.,]{8})( dB)?$#', $thisfile_ape_items_current['data'][0], $matches)) {
$thisfile_replaygain['album']['adjustment'] = (float) str_replace(',', '.', $matches[1]); // float casting will see "0,95" as zero!
$thisfile_replaygain['album']['originator'] = 'unspecified';
} else {
$this->warning('MP3gainAlbumGain value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
}
break;
case 'replaygain_album_peak':
if (preg_match('#^([0-9\\.,]{8})$#', $thisfile_ape_items_current['data'][0], $matches)) {
$thisfile_replaygain['album']['peak'] = (float) str_replace(',', '.', $matches[1]); // float casting will see "0,95" as zero!
$thisfile_replaygain['album']['originator'] = 'unspecified';
if ($thisfile_replaygain['album']['peak'] <= 0) {
$this->warning('ReplayGain Album peak from APEtag appears invalid: '.$thisfile_replaygain['album']['peak'].' (original value = "'.$thisfile_ape_items_current['data'][0].'")');
}
} else {
$this->warning('MP3gainAlbumPeak value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
}
break;
case 'mp3gain_undo':
if (preg_match('#^[\\-\\+][0-9]{3},[\\-\\+][0-9]{3},[NW]$#', $thisfile_ape_items_current['data'][0])) {
list($mp3gain_undo_left, $mp3gain_undo_right, $mp3gain_undo_wrap) = explode(',', $thisfile_ape_items_current['data'][0]);
$thisfile_replaygain['mp3gain']['undo_left'] = intval($mp3gain_undo_left);
$thisfile_replaygain['mp3gain']['undo_right'] = intval($mp3gain_undo_right);
$thisfile_replaygain['mp3gain']['undo_wrap'] = (($mp3gain_undo_wrap == 'Y') ? true : false);
} else {
$this->warning('MP3gainUndo value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
}
break;
case 'mp3gain_minmax':
if (preg_match('#^[0-9]{3},[0-9]{3}$#', $thisfile_ape_items_current['data'][0])) {
list($mp3gain_globalgain_min, $mp3gain_globalgain_max) = explode(',', $thisfile_ape_items_current['data'][0]);
$thisfile_replaygain['mp3gain']['globalgain_track_min'] = intval($mp3gain_globalgain_min);
$thisfile_replaygain['mp3gain']['globalgain_track_max'] = intval($mp3gain_globalgain_max);
} else {
$this->warning('MP3gainMinMax value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
}
break;
case 'mp3gain_album_minmax':
if (preg_match('#^[0-9]{3},[0-9]{3}$#', $thisfile_ape_items_current['data'][0])) {
list($mp3gain_globalgain_album_min, $mp3gain_globalgain_album_max) = explode(',', $thisfile_ape_items_current['data'][0]);
$thisfile_replaygain['mp3gain']['globalgain_album_min'] = intval($mp3gain_globalgain_album_min);
$thisfile_replaygain['mp3gain']['globalgain_album_max'] = intval($mp3gain_globalgain_album_max);
} else {
$this->warning('MP3gainAlbumMinMax value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
}
break;
case 'tracknumber':
if (is_array($thisfile_ape_items_current['data'])) {
foreach ($thisfile_ape_items_current['data'] as $comment) {
$thisfile_ape['comments']['track_number'][] = $comment;
}
}
break;
case 'cover art (artist)':
case 'cover art (back)':
case 'cover art (band logo)':
case 'cover art (band)':
case 'cover art (colored fish)':
case 'cover art (composer)':
case 'cover art (conductor)':
case 'cover art (front)':
case 'cover art (icon)':
case 'cover art (illustration)':
case 'cover art (lead)':
case 'cover art (leaflet)':
case 'cover art (lyricist)':
case 'cover art (media)':
case 'cover art (movie scene)':
case 'cover art (other icon)':
case 'cover art (other)':
case 'cover art (performance)':
case 'cover art (publisher logo)':
case 'cover art (recording)':
case 'cover art (studio)':
// list of possible cover arts from https://github.com/mono/taglib-sharp/blob/taglib-sharp-2.0.3.2/src/TagLib/Ape/Tag.cs
if (is_array($thisfile_ape_items_current['data'])) {
$this->warning('APEtag "'.$item_key.'" should be flagged as Binary data, but was incorrectly flagged as UTF-8');
$thisfile_ape_items_current['data'] = implode("\x00", $thisfile_ape_items_current['data']);
}
list($thisfile_ape_items_current['filename'], $thisfile_ape_items_current['data']) = explode("\x00", $thisfile_ape_items_current['data'], 2);
$thisfile_ape_items_current['data_offset'] = $thisfile_ape_items_current['offset'] + strlen($thisfile_ape_items_current['filename']."\x00");
$thisfile_ape_items_current['data_length'] = strlen($thisfile_ape_items_current['data']);
do {
$thisfile_ape_items_current['image_mime'] = '';
$imageinfo = array();
$imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_ape_items_current['data'], $imageinfo);
if (($imagechunkcheck === false) || !isset($imagechunkcheck[2])) {
$this->warning('APEtag "'.$item_key.'" contains invalid image data');
break;
}
$thisfile_ape_items_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
if ($this->inline_attachments === false) {
// skip entirely
unset($thisfile_ape_items_current['data']);
break;
}
if ($this->inline_attachments === true) {
// great
} elseif (is_int($this->inline_attachments)) {
if ($this->inline_attachments < $thisfile_ape_items_current['data_length']) {
// too big, skip
$this->warning('attachment at '.$thisfile_ape_items_current['offset'].' is too large to process inline ('.number_format($thisfile_ape_items_current['data_length']).' bytes)');
unset($thisfile_ape_items_current['data']);
break;
}
} elseif (is_string($this->inline_attachments)) {
$this->inline_attachments = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->inline_attachments), DIRECTORY_SEPARATOR);
if (!is_dir($this->inline_attachments) || !getID3::is_writable($this->inline_attachments)) {
// cannot write, skip
$this->warning('attachment at '.$thisfile_ape_items_current['offset'].' cannot be saved to "'.$this->inline_attachments.'" (not writable)');
unset($thisfile_ape_items_current['data']);
break;
}
}
// if we get this far, must be OK
if (is_string($this->inline_attachments)) {
$destination_filename = $this->inline_attachments.DIRECTORY_SEPARATOR.md5($info['filenamepath']).'_'.$thisfile_ape_items_current['data_offset'];
if (!file_exists($destination_filename) || getID3::is_writable($destination_filename)) {
file_put_contents($destination_filename, $thisfile_ape_items_current['data']);
} else {
$this->warning('attachment at '.$thisfile_ape_items_current['offset'].' cannot be saved to "'.$destination_filename.'" (not writable)');
}
$thisfile_ape_items_current['data_filename'] = $destination_filename;
unset($thisfile_ape_items_current['data']);
} else {
if (!isset($info['ape']['comments']['picture'])) {
$info['ape']['comments']['picture'] = array();
}
$comments_picture_data = array();
foreach (array('data', 'image_mime', 'image_width', 'image_height', 'imagetype', 'picturetype', 'description', 'datalength') as $picture_key) {
if (isset($thisfile_ape_items_current[$picture_key])) {
$comments_picture_data[$picture_key] = $thisfile_ape_items_current[$picture_key];
}
}
$info['ape']['comments']['picture'][] = $comments_picture_data;
unset($comments_picture_data);
}
} while (false); // @phpstan-ignore-line
break;
default:
if (is_array($thisfile_ape_items_current['data'])) {
foreach ($thisfile_ape_items_current['data'] as $comment) {
$thisfile_ape['comments'][strtolower($item_key)][] = $comment;
}
}
break;
}
}
if (empty($thisfile_replaygain)) {
unset($info['replay_gain']);
}
return true;
}
/**
* @param string $APEheaderFooterData
*
* @return array|false
*/
public function parseAPEheaderFooter($APEheaderFooterData) {
// http://www.uni-jena.de/~pfk/mpp/sv8/apeheader.html
// shortcut
$headerfooterinfo = array();
$headerfooterinfo['raw'] = array();
$headerfooterinfo_raw = &$headerfooterinfo['raw'];
$headerfooterinfo_raw['footer_tag'] = substr($APEheaderFooterData, 0, 8);
if ($headerfooterinfo_raw['footer_tag'] != 'APETAGEX') {
return false;
}
$headerfooterinfo_raw['version'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 8, 4));
$headerfooterinfo_raw['tagsize'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 12, 4));
$headerfooterinfo_raw['tag_items'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 16, 4));
$headerfooterinfo_raw['global_flags'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 20, 4));
$headerfooterinfo_raw['reserved'] = substr($APEheaderFooterData, 24, 8);
$headerfooterinfo['tag_version'] = $headerfooterinfo_raw['version'] / 1000;
if ($headerfooterinfo['tag_version'] >= 2) {
$headerfooterinfo['flags'] = $this->parseAPEtagFlags($headerfooterinfo_raw['global_flags']);
}
return $headerfooterinfo;
}
/**
* @param int $rawflagint
*
* @return array
*/
public function parseAPEtagFlags($rawflagint) {
// "Note: APE Tags 1.0 do not use any of the APE Tag flags.
// All are set to zero on creation and ignored on reading."
// http://wiki.hydrogenaud.io/index.php?title=Ape_Tags_Flags
$flags = array();
$flags['header'] = (bool) ($rawflagint & 0x80000000);
$flags['footer'] = (bool) ($rawflagint & 0x40000000);
$flags['this_is_header'] = (bool) ($rawflagint & 0x20000000);
$flags['item_contents_raw'] = ($rawflagint & 0x00000006) >> 1;
$flags['read_only'] = (bool) ($rawflagint & 0x00000001);
$flags['item_contents'] = $this->APEcontentTypeFlagLookup($flags['item_contents_raw']);
return $flags;
}
/**
* @param int $contenttypeid
*
* @return string
*/
public function APEcontentTypeFlagLookup($contenttypeid) {
static $APEcontentTypeFlagLookup = array(
0 => 'utf-8',
1 => 'binary',
2 => 'external',
3 => 'reserved'
);
return (isset($APEcontentTypeFlagLookup[$contenttypeid]) ? $APEcontentTypeFlagLookup[$contenttypeid] : 'invalid');
}
/**
* @param string $itemkey
*
* @return bool
*/
public function APEtagItemIsUTF8Lookup($itemkey) {
static $APEtagItemIsUTF8Lookup = array(
'title',
'subtitle',
'artist',
'album',
'debut album',
'publisher',
'conductor',
'track',
'composer',
'comment',
'copyright',
'publicationright',
'file',
'year',
'record date',
'record location',
'genre',
'media',
'related',
'isrc',
'abstract',
'language',
'bibliography'
);
return in_array(strtolower($itemkey), $APEtagItemIsUTF8Lookup);
}
}

View File

@ -0,0 +1,480 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.tag.id3v1.php //
// module for analyzing ID3v1 tags //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_id3v1 extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
if (!getid3_lib::intValueSupported($info['filesize'])) {
$this->warning('Unable to check for ID3v1 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
return false;
}
if($info['filesize'] < 256) {
$this->fseek(-128, SEEK_END);
$preid3v1 = '';
$id3v1tag = $this->fread(128);
} else {
$this->fseek(-256, SEEK_END);
$preid3v1 = $this->fread(128);
$id3v1tag = $this->fread(128);
}
if (substr($id3v1tag, 0, 3) == 'TAG') {
$info['avdataend'] = $info['filesize'] - 128;
$ParsedID3v1 = array();
$ParsedID3v1['title'] = $this->cutfield(substr($id3v1tag, 3, 30));
$ParsedID3v1['artist'] = $this->cutfield(substr($id3v1tag, 33, 30));
$ParsedID3v1['album'] = $this->cutfield(substr($id3v1tag, 63, 30));
$ParsedID3v1['year'] = $this->cutfield(substr($id3v1tag, 93, 4));
$ParsedID3v1['comment'] = substr($id3v1tag, 97, 30); // can't remove nulls yet, track detection depends on them
$ParsedID3v1['genreid'] = ord(substr($id3v1tag, 127, 1));
// If second-last byte of comment field is null and last byte of comment field is non-null
// then this is ID3v1.1 and the comment field is 28 bytes long and the 30th byte is the track number
if (($id3v1tag[125] === "\x00") && ($id3v1tag[126] !== "\x00")) {
$ParsedID3v1['track_number'] = ord(substr($ParsedID3v1['comment'], 29, 1));
$ParsedID3v1['comment'] = substr($ParsedID3v1['comment'], 0, 28);
}
$ParsedID3v1['comment'] = $this->cutfield($ParsedID3v1['comment']);
$ParsedID3v1['genre'] = $this->LookupGenreName($ParsedID3v1['genreid']);
if (!empty($ParsedID3v1['genre'])) {
unset($ParsedID3v1['genreid']);
}
if (empty($ParsedID3v1['genre']) || ($ParsedID3v1['genre'] == 'Unknown')) {
unset($ParsedID3v1['genre']);
}
foreach ($ParsedID3v1 as $key => $value) {
$ParsedID3v1['comments'][$key][0] = $value;
}
$ID3v1encoding = $this->getid3->encoding_id3v1;
if ($this->getid3->encoding_id3v1_autodetect) {
// ID3v1 encoding detection hack START
// ID3v1 is defined as always using ISO-8859-1 encoding, but it is not uncommon to find files tagged with ID3v1 using Windows-1251 or other character sets
// Since ID3v1 has no concept of character sets there is no certain way to know we have the correct non-ISO-8859-1 character set, but we can guess
foreach ($ParsedID3v1['comments'] as $tag_key => $valuearray) {
foreach ($valuearray as $key => $value) {
if (preg_match('#^[\\x00-\\x40\\x80-\\xFF]+$#', $value) && !ctype_digit((string) $value)) { // check for strings with only characters above chr(128) and punctuation/numbers, but not just numeric strings (e.g. track numbers or years)
foreach (array('Windows-1251', 'KOI8-R') as $id3v1_bad_encoding) {
if (function_exists('mb_convert_encoding') && @mb_convert_encoding($value, $id3v1_bad_encoding, $id3v1_bad_encoding) === $value) {
$ID3v1encoding = $id3v1_bad_encoding;
$this->warning('ID3v1 detected as '.$id3v1_bad_encoding.' text encoding in '.$tag_key);
break 3;
} elseif (function_exists('iconv') && @iconv($id3v1_bad_encoding, $id3v1_bad_encoding, $value) === $value) {
$ID3v1encoding = $id3v1_bad_encoding;
$this->warning('ID3v1 detected as '.$id3v1_bad_encoding.' text encoding in '.$tag_key);
break 3;
}
}
}
}
}
// ID3v1 encoding detection hack END
}
// ID3v1 data is supposed to be padded with NULL characters, but some taggers pad with spaces
$GoodFormatID3v1tag = $this->GenerateID3v1Tag(
$ParsedID3v1['title'],
$ParsedID3v1['artist'],
$ParsedID3v1['album'],
$ParsedID3v1['year'],
(isset($ParsedID3v1['genre']) ? $this->LookupGenreID($ParsedID3v1['genre']) : false),
$ParsedID3v1['comment'],
(!empty($ParsedID3v1['track_number']) ? $ParsedID3v1['track_number'] : ''));
$ParsedID3v1['padding_valid'] = true;
if ($id3v1tag !== $GoodFormatID3v1tag) {
$ParsedID3v1['padding_valid'] = false;
$this->warning('Some ID3v1 fields do not use NULL characters for padding');
}
$ParsedID3v1['tag_offset_end'] = $info['filesize'];
$ParsedID3v1['tag_offset_start'] = $ParsedID3v1['tag_offset_end'] - 128;
$info['id3v1'] = $ParsedID3v1;
$info['id3v1']['encoding'] = $ID3v1encoding;
}
if (substr($preid3v1, 0, 3) == 'TAG') {
// The way iTunes handles tags is, well, brain-damaged.
// It completely ignores v1 if ID3v2 is present.
// This goes as far as adding a new v1 tag *even if there already is one*
// A suspected double-ID3v1 tag has been detected, but it could be that
// the "TAG" identifier is a legitimate part of an APE or Lyrics3 tag
if (substr($preid3v1, 96, 8) == 'APETAGEX') {
// an APE tag footer was found before the last ID3v1, assume false "TAG" synch
} elseif (substr($preid3v1, 119, 6) == 'LYRICS') {
// a Lyrics3 tag footer was found before the last ID3v1, assume false "TAG" synch
} else {
// APE and Lyrics3 footers not found - assume double ID3v1
$this->warning('Duplicate ID3v1 tag detected - this has been known to happen with iTunes');
$info['avdataend'] -= 128;
}
}
return true;
}
/**
* @param string $str
*
* @return string
*/
public static function cutfield($str) {
return trim(substr($str, 0, strcspn($str, "\x00")));
}
/**
* @param bool $allowSCMPXextended
*
* @return string[]
*/
public static function ArrayOfGenres($allowSCMPXextended=false) {
static $GenreLookup = array(
0 => 'Blues',
1 => 'Classic Rock',
2 => 'Country',
3 => 'Dance',
4 => 'Disco',
5 => 'Funk',
6 => 'Grunge',
7 => 'Hip-Hop',
8 => 'Jazz',
9 => 'Metal',
10 => 'New Age',
11 => 'Oldies',
12 => 'Other',
13 => 'Pop',
14 => 'R&B',
15 => 'Rap',
16 => 'Reggae',
17 => 'Rock',
18 => 'Techno',
19 => 'Industrial',
20 => 'Alternative',
21 => 'Ska',
22 => 'Death Metal',
23 => 'Pranks',
24 => 'Soundtrack',
25 => 'Euro-Techno',
26 => 'Ambient',
27 => 'Trip-Hop',
28 => 'Vocal',
29 => 'Jazz+Funk',
30 => 'Fusion',
31 => 'Trance',
32 => 'Classical',
33 => 'Instrumental',
34 => 'Acid',
35 => 'House',
36 => 'Game',
37 => 'Sound Clip',
38 => 'Gospel',
39 => 'Noise',
40 => 'Alt. Rock',
41 => 'Bass',
42 => 'Soul',
43 => 'Punk',
44 => 'Space',
45 => 'Meditative',
46 => 'Instrumental Pop',
47 => 'Instrumental Rock',
48 => 'Ethnic',
49 => 'Gothic',
50 => 'Darkwave',
51 => 'Techno-Industrial',
52 => 'Electronic',
53 => 'Pop-Folk',
54 => 'Eurodance',
55 => 'Dream',
56 => 'Southern Rock',
57 => 'Comedy',
58 => 'Cult',
59 => 'Gangsta Rap',
60 => 'Top 40',
61 => 'Christian Rap',
62 => 'Pop/Funk',
63 => 'Jungle',
64 => 'Native American',
65 => 'Cabaret',
66 => 'New Wave',
67 => 'Psychedelic',
68 => 'Rave',
69 => 'Showtunes',
70 => 'Trailer',
71 => 'Lo-Fi',
72 => 'Tribal',
73 => 'Acid Punk',
74 => 'Acid Jazz',
75 => 'Polka',
76 => 'Retro',
77 => 'Musical',
78 => 'Rock & Roll',
79 => 'Hard Rock',
80 => 'Folk',
81 => 'Folk/Rock',
82 => 'National Folk',
83 => 'Swing',
84 => 'Fast-Fusion',
85 => 'Bebob',
86 => 'Latin',
87 => 'Revival',
88 => 'Celtic',
89 => 'Bluegrass',
90 => 'Avantgarde',
91 => 'Gothic Rock',
92 => 'Progressive Rock',
93 => 'Psychedelic Rock',
94 => 'Symphonic Rock',
95 => 'Slow Rock',
96 => 'Big Band',
97 => 'Chorus',
98 => 'Easy Listening',
99 => 'Acoustic',
100 => 'Humour',
101 => 'Speech',
102 => 'Chanson',
103 => 'Opera',
104 => 'Chamber Music',
105 => 'Sonata',
106 => 'Symphony',
107 => 'Booty Bass',
108 => 'Primus',
109 => 'Porn Groove',
110 => 'Satire',
111 => 'Slow Jam',
112 => 'Club',
113 => 'Tango',
114 => 'Samba',
115 => 'Folklore',
116 => 'Ballad',
117 => 'Power Ballad',
118 => 'Rhythmic Soul',
119 => 'Freestyle',
120 => 'Duet',
121 => 'Punk Rock',
122 => 'Drum Solo',
123 => 'A Cappella',
124 => 'Euro-House',
125 => 'Dance Hall',
126 => 'Goa',
127 => 'Drum & Bass',
128 => 'Club-House',
129 => 'Hardcore',
130 => 'Terror',
131 => 'Indie',
132 => 'BritPop',
133 => 'Negerpunk',
134 => 'Polsk Punk',
135 => 'Beat',
136 => 'Christian Gangsta Rap',
137 => 'Heavy Metal',
138 => 'Black Metal',
139 => 'Crossover',
140 => 'Contemporary Christian',
141 => 'Christian Rock',
142 => 'Merengue',
143 => 'Salsa',
144 => 'Thrash Metal',
145 => 'Anime',
146 => 'JPop',
147 => 'Synthpop',
148 => 'Abstract',
149 => 'Art Rock',
150 => 'Baroque',
151 => 'Bhangra',
152 => 'Big Beat',
153 => 'Breakbeat',
154 => 'Chillout',
155 => 'Downtempo',
156 => 'Dub',
157 => 'EBM',
158 => 'Eclectic',
159 => 'Electro',
160 => 'Electroclash',
161 => 'Emo',
162 => 'Experimental',
163 => 'Garage',
164 => 'Global',
165 => 'IDM',
166 => 'Illbient',
167 => 'Industro-Goth',
168 => 'Jam Band',
169 => 'Krautrock',
170 => 'Leftfield',
171 => 'Lounge',
172 => 'Math Rock',
173 => 'New Romantic',
174 => 'Nu-Breakz',
175 => 'Post-Punk',
176 => 'Post-Rock',
177 => 'Psytrance',
178 => 'Shoegaze',
179 => 'Space Rock',
180 => 'Trop Rock',
181 => 'World Music',
182 => 'Neoclassical',
183 => 'Audiobook',
184 => 'Audio Theatre',
185 => 'Neue Deutsche Welle',
186 => 'Podcast',
187 => 'Indie-Rock',
188 => 'G-Funk',
189 => 'Dubstep',
190 => 'Garage Rock',
191 => 'Psybient',
255 => 'Unknown',
'CR' => 'Cover',
'RX' => 'Remix'
);
static $GenreLookupSCMPX = array();
if ($allowSCMPXextended && empty($GenreLookupSCMPX)) {
$GenreLookupSCMPX = $GenreLookup;
// http://www.geocities.co.jp/SiliconValley-Oakland/3664/alittle.html#GenreExtended
// Extended ID3v1 genres invented by SCMPX
// Note that 255 "Japanese Anime" conflicts with standard "Unknown"
$GenreLookupSCMPX[240] = 'Sacred';
$GenreLookupSCMPX[241] = 'Northern Europe';
$GenreLookupSCMPX[242] = 'Irish & Scottish';
$GenreLookupSCMPX[243] = 'Scotland';
$GenreLookupSCMPX[244] = 'Ethnic Europe';
$GenreLookupSCMPX[245] = 'Enka';
$GenreLookupSCMPX[246] = 'Children\'s Song';
$GenreLookupSCMPX[247] = 'Japanese Sky';
$GenreLookupSCMPX[248] = 'Japanese Heavy Rock';
$GenreLookupSCMPX[249] = 'Japanese Doom Rock';
$GenreLookupSCMPX[250] = 'Japanese J-POP';
$GenreLookupSCMPX[251] = 'Japanese Seiyu';
$GenreLookupSCMPX[252] = 'Japanese Ambient Techno';
$GenreLookupSCMPX[253] = 'Japanese Moemoe';
$GenreLookupSCMPX[254] = 'Japanese Tokusatsu';
//$GenreLookupSCMPX[255] = 'Japanese Anime';
}
return ($allowSCMPXextended ? $GenreLookupSCMPX : $GenreLookup);
}
/**
* @param string $genreid
* @param bool $allowSCMPXextended
*
* @return string|false
*/
public static function LookupGenreName($genreid, $allowSCMPXextended=true) {
switch ($genreid) {
case 'RX':
case 'CR':
break;
default:
if (!is_numeric($genreid)) {
return false;
}
$genreid = intval($genreid); // to handle 3 or '3' or '03'
break;
}
$GenreLookup = self::ArrayOfGenres($allowSCMPXextended);
return (isset($GenreLookup[$genreid]) ? $GenreLookup[$genreid] : false);
}
/**
* @param string $genre
* @param bool $allowSCMPXextended
*
* @return string|false
*/
public static function LookupGenreID($genre, $allowSCMPXextended=false) {
$GenreLookup = self::ArrayOfGenres($allowSCMPXextended);
$LowerCaseNoSpaceSearchTerm = strtolower(str_replace(' ', '', $genre));
foreach ($GenreLookup as $key => $value) {
if (strtolower(str_replace(' ', '', $value)) == $LowerCaseNoSpaceSearchTerm) {
return $key;
}
}
return false;
}
/**
* @param string $OriginalGenre
*
* @return string|false
*/
public static function StandardiseID3v1GenreName($OriginalGenre) {
if (($GenreID = self::LookupGenreID($OriginalGenre)) !== false) {
return self::LookupGenreName($GenreID);
}
return $OriginalGenre;
}
/**
* @param string $title
* @param string $artist
* @param string $album
* @param string $year
* @param int $genreid
* @param string $comment
* @param int|string $track
*
* @return string
*/
public static function GenerateID3v1Tag($title, $artist, $album, $year, $genreid, $comment, $track='') {
$ID3v1Tag = 'TAG';
$ID3v1Tag .= str_pad(trim(substr($title, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
$ID3v1Tag .= str_pad(trim(substr($artist, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
$ID3v1Tag .= str_pad(trim(substr($album, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
$ID3v1Tag .= str_pad(trim(substr($year, 0, 4)), 4, "\x00", STR_PAD_LEFT);
if (!empty($track) && ($track > 0) && ($track <= 255)) {
$ID3v1Tag .= str_pad(trim(substr($comment, 0, 28)), 28, "\x00", STR_PAD_RIGHT);
$ID3v1Tag .= "\x00";
if (gettype($track) == 'string') {
$track = (int) $track;
}
$ID3v1Tag .= chr($track);
} else {
$ID3v1Tag .= str_pad(trim(substr($comment, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
}
if (($genreid < 0) || ($genreid > 147)) {
$genreid = 255; // 'unknown' genre
}
switch (gettype($genreid)) {
case 'string':
case 'integer':
$ID3v1Tag .= chr(intval($genreid));
break;
default:
$ID3v1Tag .= chr(255); // 'unknown' genre
break;
}
return $ID3v1Tag;
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,333 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
/// //
// module.tag.lyrics3.php //
// module for analyzing Lyrics3 tags //
// dependencies: module.tag.apetag.php (optional) //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_lyrics3 extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
// http://www.volweb.cz/str/tags.htm
if (!getid3_lib::intValueSupported($info['filesize'])) {
$this->warning('Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
return false;
}
$this->fseek((0 - 128 - 9 - 6), SEEK_END); // end - ID3v1 - "LYRICSEND" - [Lyrics3size]
$lyrics3offset = null;
$lyrics3version = null;
$lyrics3size = null;
$lyrics3_id3v1 = $this->fread(128 + 9 + 6);
$lyrics3lsz = (int) substr($lyrics3_id3v1, 0, 6); // Lyrics3size
$lyrics3end = substr($lyrics3_id3v1, 6, 9); // LYRICSEND or LYRICS200
$id3v1tag = substr($lyrics3_id3v1, 15, 128); // ID3v1
if ($lyrics3end == 'LYRICSEND') {
// Lyrics3v1, ID3v1, no APE
$lyrics3size = 5100;
$lyrics3offset = $info['filesize'] - 128 - $lyrics3size;
$lyrics3version = 1;
} elseif ($lyrics3end == 'LYRICS200') {
// Lyrics3v2, ID3v1, no APE
// LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
$lyrics3size = $lyrics3lsz + 6 + strlen('LYRICS200');
$lyrics3offset = $info['filesize'] - 128 - $lyrics3size;
$lyrics3version = 2;
} elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICSEND')) {
// Lyrics3v1, no ID3v1, no APE
$lyrics3size = 5100;
$lyrics3offset = $info['filesize'] - $lyrics3size;
$lyrics3version = 1;
$lyrics3offset = $info['filesize'] - $lyrics3size;
} elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICS200')) {
// Lyrics3v2, no ID3v1, no APE
$lyrics3size = (int) strrev(substr(strrev($lyrics3_id3v1), 9, 6)) + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
$lyrics3offset = $info['filesize'] - $lyrics3size;
$lyrics3version = 2;
} else {
if (isset($info['ape']['tag_offset_start']) && ($info['ape']['tag_offset_start'] > 15)) {
$this->fseek($info['ape']['tag_offset_start'] - 15);
$lyrics3lsz = $this->fread(6);
$lyrics3end = $this->fread(9);
if ($lyrics3end == 'LYRICSEND') {
// Lyrics3v1, APE, maybe ID3v1
$lyrics3size = 5100;
$lyrics3offset = $info['ape']['tag_offset_start'] - $lyrics3size;
$info['avdataend'] = $lyrics3offset;
$lyrics3version = 1;
$this->warning('APE tag located after Lyrics3, will probably break Lyrics3 compatability');
} elseif ($lyrics3end == 'LYRICS200') {
// Lyrics3v2, APE, maybe ID3v1
$lyrics3size = $lyrics3lsz + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
$lyrics3offset = $info['ape']['tag_offset_start'] - $lyrics3size;
$lyrics3version = 2;
$this->warning('APE tag located after Lyrics3, will probably break Lyrics3 compatability');
}
}
}
if (isset($lyrics3offset) && isset($lyrics3version) && isset($lyrics3size)) {
$info['avdataend'] = $lyrics3offset;
$this->getLyrics3Data($lyrics3offset, $lyrics3version, $lyrics3size);
if (!isset($info['ape'])) {
if (isset($info['lyrics3']['tag_offset_start'])) {
$GETID3_ERRORARRAY = &$info['warning'];
if ($this->getid3->option_tag_apetag) {
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.apetag.php', __FILE__, true);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
$getid3_apetag = new getid3_apetag($getid3_temp);
$getid3_apetag->overrideendoffset = $info['lyrics3']['tag_offset_start'];
$getid3_apetag->Analyze();
if (!empty($getid3_temp->info['ape'])) {
$info['ape'] = $getid3_temp->info['ape'];
}
if (!empty($getid3_temp->info['replay_gain'])) {
$info['replay_gain'] = $getid3_temp->info['replay_gain'];
}
unset($getid3_temp, $getid3_apetag);
} else {
$this->warning('Unable to check for Lyrics3 and APE tags interaction since option_tag_apetag=FALSE');
}
} else {
$this->warning('Lyrics3 and APE tags appear to have become entangled (most likely due to updating the APE tags with a non-Lyrics3-aware tagger)');
}
}
}
return true;
}
/**
* @param int $endoffset
* @param int $version
* @param int $length
*
* @return bool
*/
public function getLyrics3Data($endoffset, $version, $length) {
// http://www.volweb.cz/str/tags.htm
$info = &$this->getid3->info;
if (!getid3_lib::intValueSupported($endoffset)) {
$this->warning('Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
return false;
}
$this->fseek($endoffset);
if ($length <= 0) {
return false;
}
$rawdata = $this->fread($length);
$ParsedLyrics3 = array();
$ParsedLyrics3['raw']['lyrics3version'] = $version;
$ParsedLyrics3['raw']['lyrics3tagsize'] = $length;
$ParsedLyrics3['tag_offset_start'] = $endoffset;
$ParsedLyrics3['tag_offset_end'] = $endoffset + $length - 1;
if (substr($rawdata, 0, 11) != 'LYRICSBEGIN') {
if (strpos($rawdata, 'LYRICSBEGIN') !== false) {
$this->warning('"LYRICSBEGIN" expected at '.$endoffset.' but actually found at '.($endoffset + strpos($rawdata, 'LYRICSBEGIN')).' - this is invalid for Lyrics3 v'.$version);
$info['avdataend'] = $endoffset + strpos($rawdata, 'LYRICSBEGIN');
$rawdata = substr($rawdata, strpos($rawdata, 'LYRICSBEGIN'));
$length = strlen($rawdata);
$ParsedLyrics3['tag_offset_start'] = $info['avdataend'];
$ParsedLyrics3['raw']['lyrics3tagsize'] = $length;
} else {
$this->error('"LYRICSBEGIN" expected at '.$endoffset.' but found "'.substr($rawdata, 0, 11).'" instead');
return false;
}
}
switch ($version) {
case 1:
if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICSEND') {
$ParsedLyrics3['raw']['LYR'] = trim(substr($rawdata, 11, strlen($rawdata) - 11 - 9));
$this->Lyrics3LyricsTimestampParse($ParsedLyrics3);
} else {
$this->error('"LYRICSEND" expected at '.($this->ftell() - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead');
return false;
}
break;
case 2:
if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICS200') {
$ParsedLyrics3['raw']['unparsed'] = substr($rawdata, 11, strlen($rawdata) - 11 - 9 - 6); // LYRICSBEGIN + LYRICS200 + LSZ
$rawdata = $ParsedLyrics3['raw']['unparsed'];
while (strlen($rawdata) > 0) {
$fieldname = substr($rawdata, 0, 3);
$fieldsize = (int) substr($rawdata, 3, 5);
$ParsedLyrics3['raw'][$fieldname] = substr($rawdata, 8, $fieldsize);
$rawdata = substr($rawdata, 3 + 5 + $fieldsize);
}
if (isset($ParsedLyrics3['raw']['IND'])) {
$i = 0;
$flagnames = array('lyrics', 'timestamps', 'inhibitrandom');
foreach ($flagnames as $flagname) {
if (strlen($ParsedLyrics3['raw']['IND']) > $i++) {
$ParsedLyrics3['flags'][$flagname] = $this->IntString2Bool(substr($ParsedLyrics3['raw']['IND'], $i, 1 - 1));
}
}
}
$fieldnametranslation = array('ETT'=>'title', 'EAR'=>'artist', 'EAL'=>'album', 'INF'=>'comment', 'AUT'=>'author');
foreach ($fieldnametranslation as $key => $value) {
if (isset($ParsedLyrics3['raw'][$key])) {
$ParsedLyrics3['comments'][$value][] = trim($ParsedLyrics3['raw'][$key]);
}
}
if (isset($ParsedLyrics3['raw']['IMG'])) {
$imagestrings = explode("\r\n", $ParsedLyrics3['raw']['IMG']);
foreach ($imagestrings as $key => $imagestring) {
if (strpos($imagestring, '||') !== false) {
$imagearray = explode('||', $imagestring);
$ParsedLyrics3['images'][$key]['filename'] = (isset($imagearray[0]) ? $imagearray[0] : '');
$ParsedLyrics3['images'][$key]['description'] = (isset($imagearray[1]) ? $imagearray[1] : '');
$ParsedLyrics3['images'][$key]['timestamp'] = $this->Lyrics3Timestamp2Seconds(isset($imagearray[2]) ? $imagearray[2] : '');
}
}
}
if (isset($ParsedLyrics3['raw']['LYR'])) {
$this->Lyrics3LyricsTimestampParse($ParsedLyrics3);
}
} else {
$this->error('"LYRICS200" expected at '.($this->ftell() - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead');
return false;
}
break;
default:
$this->error('Cannot process Lyrics3 version '.$version.' (only v1 and v2)');
return false;
}
if (isset($info['id3v1']['tag_offset_start']) && ($info['id3v1']['tag_offset_start'] <= $ParsedLyrics3['tag_offset_end'])) {
$this->warning('ID3v1 tag information ignored since it appears to be a false synch in Lyrics3 tag data');
unset($info['id3v1']);
foreach ($info['warning'] as $key => $value) {
if ($value == 'Some ID3v1 fields do not use NULL characters for padding') {
unset($info['warning'][$key]);
sort($info['warning']);
break;
}
}
}
$info['lyrics3'] = $ParsedLyrics3;
return true;
}
/**
* @param string $rawtimestamp
*
* @return int|false
*/
public function Lyrics3Timestamp2Seconds($rawtimestamp) {
if (preg_match('#^\\[([0-9]{2}):([0-9]{2})\\]$#', $rawtimestamp, $regs)) {
return (int) (((int) $regs[1] * 60) + (int) $regs[2]);
}
return false;
}
/**
* @param array $Lyrics3data
*
* @return bool
*/
public function Lyrics3LyricsTimestampParse(&$Lyrics3data) {
$lyricsarray = explode("\r\n", $Lyrics3data['raw']['LYR']);
$notimestamplyricsarray = array();
foreach ($lyricsarray as $key => $lyricline) {
$regs = array();
unset($thislinetimestamps);
while (preg_match('#^(\\[[0-9]{2}:[0-9]{2}\\])#', $lyricline, $regs)) {
$thislinetimestamps[] = $this->Lyrics3Timestamp2Seconds($regs[0]);
$lyricline = str_replace($regs[0], '', $lyricline);
}
$notimestamplyricsarray[$key] = $lyricline;
if (isset($thislinetimestamps) && is_array($thislinetimestamps)) {
sort($thislinetimestamps);
foreach ($thislinetimestamps as $timestampkey => $timestamp) {
if (isset($Lyrics3data['comments']['synchedlyrics'][$timestamp])) {
// timestamps only have a 1-second resolution, it's possible that multiple lines
// could have the same timestamp, if so, append
$Lyrics3data['comments']['synchedlyrics'][$timestamp] .= "\r\n".$lyricline;
} else {
$Lyrics3data['comments']['synchedlyrics'][$timestamp] = $lyricline;
}
}
}
}
$Lyrics3data['comments']['unsynchedlyrics'][0] = implode("\r\n", $notimestamplyricsarray);
if (isset($Lyrics3data['comments']['synchedlyrics']) && is_array($Lyrics3data['comments']['synchedlyrics'])) {
ksort($Lyrics3data['comments']['synchedlyrics']);
}
return true;
}
/**
* @param string $char
*
* @return bool|null
*/
public function IntString2Bool($char) {
if ($char == '1') {
return true;
} elseif ($char == '0') {
return false;
}
return null;
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,784 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.tag.xmp.php //
// module for analyzing XMP metadata (e.g. in JPEG files) //
// dependencies: NONE //
// //
/////////////////////////////////////////////////////////////////
// //
// Module originally written [2009-Mar-26] by //
// Nigel Barnes <ngbarnesØhotmail*com> //
// Bundled into getID3 with permission //
// called by getID3 in module.graphic.jpg.php //
// ///
/////////////////////////////////////////////////////////////////
/**************************************************************************************************
* SWISScenter Source Nigel Barnes
*
* Provides functions for reading information from the 'APP1' Extensible Metadata
* Platform (XMP) segment of JPEG format files.
* This XMP segment is XML based and contains the Resource Description Framework (RDF)
* data, which itself can contain the Dublin Core Metadata Initiative (DCMI) information.
*
* This code uses segments from the JPEG Metadata Toolkit project by Evan Hunter.
*************************************************************************************************/
class Image_XMP
{
/**
* The names of the JPEG segment markers, indexed by their marker number
*/
private static $jpeg_segments_name = array(
0x01 => 'TEM',
0x02 => 'RES',
0xC0 => 'SOF0',
0xC1 => 'SOF1',
0xC2 => 'SOF2',
0xC3 => 'SOF4',
0xC4 => 'DHT',
0xC5 => 'SOF5',
0xC6 => 'SOF6',
0xC7 => 'SOF7',
0xC8 => 'JPG',
0xC9 => 'SOF9',
0xCA => 'SOF10',
0xCB => 'SOF11',
0xCC => 'DAC',
0xCD => 'SOF13',
0xCE => 'SOF14',
0xCF => 'SOF15',
0xD0 => 'RST0',
0xD1 => 'RST1',
0xD2 => 'RST2',
0xD3 => 'RST3',
0xD4 => 'RST4',
0xD5 => 'RST5',
0xD6 => 'RST6',
0xD7 => 'RST7',
0xD8 => 'SOI',
0xD9 => 'EOI',
0xDA => 'SOS',
0xDB => 'DQT',
0xDC => 'DNL',
0xDD => 'DRI',
0xDE => 'DHP',
0xDF => 'EXP',
0xE0 => 'APP0',
0xE1 => 'APP1',
0xE2 => 'APP2',
0xE3 => 'APP3',
0xE4 => 'APP4',
0xE5 => 'APP5',
0xE6 => 'APP6',
0xE7 => 'APP7',
0xE8 => 'APP8',
0xE9 => 'APP9',
0xEA => 'APP10',
0xEB => 'APP11',
0xEC => 'APP12',
0xED => 'APP13',
0xEE => 'APP14',
0xEF => 'APP15',
0xF0 => 'JPG0',
0xF1 => 'JPG1',
0xF2 => 'JPG2',
0xF3 => 'JPG3',
0xF4 => 'JPG4',
0xF5 => 'JPG5',
0xF6 => 'JPG6',
0xF7 => 'JPG7',
0xF8 => 'JPG8',
0xF9 => 'JPG9',
0xFA => 'JPG10',
0xFB => 'JPG11',
0xFC => 'JPG12',
0xFD => 'JPG13',
0xFE => 'COM',
);
/**
* @var string
* The name of the image file that contains the XMP fields to extract and modify.
* @see Image_XMP()
*/
public $_sFilename = null;
/**
* @var array
* The XMP fields that were extracted from the image or updated by this class.
* @see getAllTags()
*/
public $_aXMP = array();
/**
* @var boolean
* True if an APP1 segment was found to contain XMP metadata.
* @see isValid()
*/
public $_bXMPParse = false;
/**
* Returns the status of XMP parsing during instantiation
*
* You'll normally want to call this method before trying to get XMP fields.
*
* @return boolean
* Returns true if an APP1 segment was found to contain XMP metadata.
*/
public function isValid()
{
return $this->_bXMPParse;
}
/**
* Get a copy of all XMP tags extracted from the image
*
* @return array - An array of XMP fields as it extracted by the XMPparse() function
*/
public function getAllTags()
{
return $this->_aXMP;
}
/**
* Reads all the JPEG header segments from an JPEG image file into an array
*
* @param string $filename - the filename of the JPEG file to read
* @return array|false $headerdata - Array of JPEG header segments,
* FALSE - if headers could not be read
*/
public function _get_jpeg_header_data($filename)
{
// prevent refresh from aborting file operations and hosing file
ignore_user_abort(true);
// Attempt to open the jpeg file - the at symbol supresses the error message about
// not being able to open files. The file_exists would have been used, but it
// does not work with files fetched over http or ftp.
if (is_readable($filename) && is_file($filename) && ($filehnd = fopen($filename, 'rb'))) {
// great
} else {
return false;
}
// Read the first two characters
$data = fread($filehnd, 2);
// Check that the first two characters are 0xFF 0xD8 (SOI - Start of image)
if ($data != "\xFF\xD8")
{
// No SOI (FF D8) at start of file - This probably isn't a JPEG file - close file and return;
echo '<p>This probably is not a JPEG file</p>'."\n";
fclose($filehnd);
return false;
}
// Read the third character
$data = fread($filehnd, 2);
// Check that the third character is 0xFF (Start of first segment header)
if ($data[0] != "\xFF")
{
// NO FF found - close file and return - JPEG is probably corrupted
fclose($filehnd);
return false;
}
// Flag that we havent yet hit the compressed image data
$hit_compressed_image_data = false;
$headerdata = array();
// Cycle through the file until, one of: 1) an EOI (End of image) marker is hit,
// 2) we have hit the compressed image data (no more headers are allowed after data)
// 3) or end of file is hit
while (($data[1] != "\xD9") && (!$hit_compressed_image_data) && (!feof($filehnd)))
{
// Found a segment to look at.
// Check that the segment marker is not a Restart marker - restart markers don't have size or data after them
if ((ord($data[1]) < 0xD0) || (ord($data[1]) > 0xD7))
{
// Segment isn't a Restart marker
// Read the next two bytes (size)
$sizestr = fread($filehnd, 2);
// convert the size bytes to an integer
$decodedsize = unpack('nsize', $sizestr);
// Save the start position of the data
$segdatastart = ftell($filehnd);
// Read the segment data with length indicated by the previously read size
// fread will complain about trying to read zero bytes: "fread(): Argument #2 ($length) must be greater than 0" -- https://github.com/JamesHeinrich/getID3/issues/418
if ($decodedsize['size'] > 2) {
$segdata = fread($filehnd, $decodedsize['size'] - 2);
} elseif ($decodedsize['size'] == 2) {
$segdata = '';
} else {
// invalid length
fclose($filehnd);
return false;
}
// Store the segment information in the output array
$headerdata[] = array(
'SegType' => ord($data[1]),
'SegName' => self::$jpeg_segments_name[ord($data[1])],
'SegDataStart' => $segdatastart,
'SegData' => $segdata,
);
}
// If this is a SOS (Start Of Scan) segment, then there is no more header data - the compressed image data follows
if ($data[1] == "\xDA")
{
// Flag that we have hit the compressed image data - exit loop as no more headers available.
$hit_compressed_image_data = true;
}
else
{
// Not an SOS - Read the next two bytes - should be the segment marker for the next segment
$data = fread($filehnd, 2);
// Check that the first byte of the two is 0xFF as it should be for a marker
if ($data[0] != "\xFF")
{
// NO FF found - close file and return - JPEG is probably corrupted
fclose($filehnd);
return false;
}
}
}
// Close File
fclose($filehnd);
// Alow the user to abort from now on
ignore_user_abort(false);
// Return the header data retrieved
return $headerdata;
}
/**
* Retrieves XMP information from an APP1 JPEG segment and returns the raw XML text as a string.
*
* @param string $filename - the filename of the JPEG file to read
* @return string|false $xmp_data - the string of raw XML text,
* FALSE - if an APP 1 XMP segment could not be found, or if an error occurred
*/
public function _get_XMP_text($filename)
{
//Get JPEG header data
$jpeg_header_data = $this->_get_jpeg_header_data($filename);
//Cycle through the header segments
if (is_array($jpeg_header_data) && count($jpeg_header_data) > 0) {
foreach ($jpeg_header_data as $segment) {
// If we find an APP1 header,
if (strcmp($segment['SegName'], 'APP1') === 0) {
// And if it has the Adobe XMP/RDF label (http://ns.adobe.com/xap/1.0/\x00) ,
if (strncmp($segment['SegData'], 'http://ns.adobe.com/xap/1.0/' . "\x00", 29) === 0) {
// Found a XMP/RDF block
// Return the XMP text
$xmp_data = substr($segment['SegData'], 29);
// trim() should not be necessary, but some files found in the wild with null-terminated block
// (known samples from Apple Aperture) causes problems elsewhere
// (see https://www.getid3.org/phpBB3/viewtopic.php?f=4&t=1153)
return trim($xmp_data);
}
}
}
}
return false;
}
/**
* Parses a string containing XMP data (XML), and returns an array
* which contains all the XMP (XML) information.
*
* @param string $xmltext - a string containing the XMP data (XML) to be parsed
* @return array|false $xmp_array - an array containing all xmp details retrieved,
* FALSE - couldn't parse the XMP data.
*/
public function read_XMP_array_from_text($xmltext)
{
// Check if there actually is any text to parse
if (trim($xmltext) == '')
{
return false;
}
// Create an instance of a xml parser to parse the XML text
$xml_parser = xml_parser_create('UTF-8');
// Change: Fixed problem that caused the whitespace (especially newlines) to be destroyed when converting xml text to an xml array, as of revision 1.10
// We would like to remove unneccessary white space, but this will also
// remove things like newlines (&#xA;) in the XML values, so white space
// will have to be removed later
if (xml_parser_set_option($xml_parser, XML_OPTION_SKIP_WHITE, 0) == false)
{
// Error setting case folding - destroy the parser and return
xml_parser_free($xml_parser);
return false;
}
// to use XML code correctly we have to turn case folding
// (uppercasing) off. XML is case sensitive and upper
// casing is in reality XML standards violation
if (xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 0) == false)
{
// Error setting case folding - destroy the parser and return
xml_parser_free($xml_parser);
return false;
}
// Parse the XML text into a array structure
if (xml_parse_into_struct($xml_parser, $xmltext, $values, $tags) == 0)
{
// Error Parsing XML - destroy the parser and return
xml_parser_free($xml_parser);
return false;
}
// Destroy the xml parser
xml_parser_free($xml_parser);
// Clear the output array
$xmp_array = array();
// The XMP data has now been parsed into an array ...
// Cycle through each of the array elements
$current_property = ''; // current property being processed
$container_index = -1; // -1 = no container open, otherwise index of container content
foreach ($values as $xml_elem)
{
// Syntax and Class names
switch ($xml_elem['tag'])
{
case 'x:xmpmeta':
// only defined attribute is x:xmptk written by Adobe XMP Toolkit; value is the version of the toolkit
break;
case 'rdf:RDF':
// required element immediately within x:xmpmeta; no data here
break;
case 'rdf:Description':
switch ($xml_elem['type'])
{
case 'open':
case 'complete':
if (array_key_exists('attributes', $xml_elem))
{
// rdf:Description may contain wanted attributes
foreach (array_keys($xml_elem['attributes']) as $key)
{
// Check whether we want this details from this attribute
// if (in_array($key, $GLOBALS['XMP_tag_captions']))
// if (true)
// {
// Attribute wanted
$xmp_array[$key] = $xml_elem['attributes'][$key];
// }
}
}
break;
case 'cdata':
case 'close':
break;
}
break;
case 'rdf:ID':
case 'rdf:nodeID':
// Attributes are ignored
break;
case 'rdf:li':
// Property member
if ($xml_elem['type'] == 'complete')
{
if (array_key_exists('attributes', $xml_elem))
{
// If Lang Alt (language alternatives) then ensure we take the default language
if (isset($xml_elem['attributes']['xml:lang']) && ($xml_elem['attributes']['xml:lang'] != 'x-default'))
{
break;
}
}
if ($current_property != '')
{
$xmp_array[$current_property][$container_index] = (isset($xml_elem['value']) ? $xml_elem['value'] : '');
$container_index += 1;
}
//else unidentified attribute!!
}
break;
case 'rdf:Seq':
case 'rdf:Bag':
case 'rdf:Alt':
// Container found
switch ($xml_elem['type'])
{
case 'open':
$container_index = 0;
break;
case 'close':
$container_index = -1;
break;
case 'cdata':
break;
}
break;
default:
// Check whether we want the details from this attribute
// if (in_array($xml_elem['tag'], $GLOBALS['XMP_tag_captions']))
// if (true)
// {
switch ($xml_elem['type'])
{
case 'open':
// open current element
$current_property = $xml_elem['tag'];
break;
case 'close':
// close current element
$current_property = '';
break;
case 'complete':
// store attribute value
$xmp_array[$xml_elem['tag']] = (isset($xml_elem['attributes']) ? $xml_elem['attributes'] : (isset($xml_elem['value']) ? $xml_elem['value'] : ''));
break;
case 'cdata':
// ignore
break;
}
// }
break;
}
}
return $xmp_array;
}
/**
* Constructor
*
* @param string $sFilename - Name of the image file to access and extract XMP information from.
*/
public function __construct($sFilename)
{
$this->_sFilename = $sFilename;
if (is_file($this->_sFilename))
{
// Get XMP data
$xmp_data = $this->_get_XMP_text($sFilename);
if ($xmp_data)
{
$aXMP = $this->read_XMP_array_from_text($xmp_data);
if ($aXMP !== false) {
$this->_aXMP = (array) $aXMP;
$this->_bXMPParse = true;
}
}
}
}
}
/**
* Global Variable: XMP_tag_captions
*
* The Property names of all known XMP fields.
* Note: this is a full list with unrequired properties commented out.
*/
/*
$GLOBALS['XMP_tag_captions'] = array(
// IPTC Core
'Iptc4xmpCore:CiAdrCity',
'Iptc4xmpCore:CiAdrCtry',
'Iptc4xmpCore:CiAdrExtadr',
'Iptc4xmpCore:CiAdrPcode',
'Iptc4xmpCore:CiAdrRegion',
'Iptc4xmpCore:CiEmailWork',
'Iptc4xmpCore:CiTelWork',
'Iptc4xmpCore:CiUrlWork',
'Iptc4xmpCore:CountryCode',
'Iptc4xmpCore:CreatorContactInfo',
'Iptc4xmpCore:IntellectualGenre',
'Iptc4xmpCore:Location',
'Iptc4xmpCore:Scene',
'Iptc4xmpCore:SubjectCode',
// Dublin Core Schema
'dc:contributor',
'dc:coverage',
'dc:creator',
'dc:date',
'dc:description',
'dc:format',
'dc:identifier',
'dc:language',
'dc:publisher',
'dc:relation',
'dc:rights',
'dc:source',
'dc:subject',
'dc:title',
'dc:type',
// XMP Basic Schema
'xmp:Advisory',
'xmp:BaseURL',
'xmp:CreateDate',
'xmp:CreatorTool',
'xmp:Identifier',
'xmp:Label',
'xmp:MetadataDate',
'xmp:ModifyDate',
'xmp:Nickname',
'xmp:Rating',
'xmp:Thumbnails',
'xmpidq:Scheme',
// XMP Rights Management Schema
'xmpRights:Certificate',
'xmpRights:Marked',
'xmpRights:Owner',
'xmpRights:UsageTerms',
'xmpRights:WebStatement',
// These are not in spec but Photoshop CS seems to use them
'xap:Advisory',
'xap:BaseURL',
'xap:CreateDate',
'xap:CreatorTool',
'xap:Identifier',
'xap:MetadataDate',
'xap:ModifyDate',
'xap:Nickname',
'xap:Rating',
'xap:Thumbnails',
'xapidq:Scheme',
'xapRights:Certificate',
'xapRights:Copyright',
'xapRights:Marked',
'xapRights:Owner',
'xapRights:UsageTerms',
'xapRights:WebStatement',
// XMP Media Management Schema
'xapMM:DerivedFrom',
'xapMM:DocumentID',
'xapMM:History',
'xapMM:InstanceID',
'xapMM:ManagedFrom',
'xapMM:Manager',
'xapMM:ManageTo',
'xapMM:ManageUI',
'xapMM:ManagerVariant',
'xapMM:RenditionClass',
'xapMM:RenditionParams',
'xapMM:VersionID',
'xapMM:Versions',
'xapMM:LastURL',
'xapMM:RenditionOf',
'xapMM:SaveID',
// XMP Basic Job Ticket Schema
'xapBJ:JobRef',
// XMP Paged-Text Schema
'xmpTPg:MaxPageSize',
'xmpTPg:NPages',
'xmpTPg:Fonts',
'xmpTPg:Colorants',
'xmpTPg:PlateNames',
// Adobe PDF Schema
'pdf:Keywords',
'pdf:PDFVersion',
'pdf:Producer',
// Photoshop Schema
'photoshop:AuthorsPosition',
'photoshop:CaptionWriter',
'photoshop:Category',
'photoshop:City',
'photoshop:Country',
'photoshop:Credit',
'photoshop:DateCreated',
'photoshop:Headline',
'photoshop:History',
// Not in XMP spec
'photoshop:Instructions',
'photoshop:Source',
'photoshop:State',
'photoshop:SupplementalCategories',
'photoshop:TransmissionReference',
'photoshop:Urgency',
// EXIF Schemas
'tiff:ImageWidth',
'tiff:ImageLength',
'tiff:BitsPerSample',
'tiff:Compression',
'tiff:PhotometricInterpretation',
'tiff:Orientation',
'tiff:SamplesPerPixel',
'tiff:PlanarConfiguration',
'tiff:YCbCrSubSampling',
'tiff:YCbCrPositioning',
'tiff:XResolution',
'tiff:YResolution',
'tiff:ResolutionUnit',
'tiff:TransferFunction',
'tiff:WhitePoint',
'tiff:PrimaryChromaticities',
'tiff:YCbCrCoefficients',
'tiff:ReferenceBlackWhite',
'tiff:DateTime',
'tiff:ImageDescription',
'tiff:Make',
'tiff:Model',
'tiff:Software',
'tiff:Artist',
'tiff:Copyright',
'exif:ExifVersion',
'exif:FlashpixVersion',
'exif:ColorSpace',
'exif:ComponentsConfiguration',
'exif:CompressedBitsPerPixel',
'exif:PixelXDimension',
'exif:PixelYDimension',
'exif:MakerNote',
'exif:UserComment',
'exif:RelatedSoundFile',
'exif:DateTimeOriginal',
'exif:DateTimeDigitized',
'exif:ExposureTime',
'exif:FNumber',
'exif:ExposureProgram',
'exif:SpectralSensitivity',
'exif:ISOSpeedRatings',
'exif:OECF',
'exif:ShutterSpeedValue',
'exif:ApertureValue',
'exif:BrightnessValue',
'exif:ExposureBiasValue',
'exif:MaxApertureValue',
'exif:SubjectDistance',
'exif:MeteringMode',
'exif:LightSource',
'exif:Flash',
'exif:FocalLength',
'exif:SubjectArea',
'exif:FlashEnergy',
'exif:SpatialFrequencyResponse',
'exif:FocalPlaneXResolution',
'exif:FocalPlaneYResolution',
'exif:FocalPlaneResolutionUnit',
'exif:SubjectLocation',
'exif:SensingMethod',
'exif:FileSource',
'exif:SceneType',
'exif:CFAPattern',
'exif:CustomRendered',
'exif:ExposureMode',
'exif:WhiteBalance',
'exif:DigitalZoomRatio',
'exif:FocalLengthIn35mmFilm',
'exif:SceneCaptureType',
'exif:GainControl',
'exif:Contrast',
'exif:Saturation',
'exif:Sharpness',
'exif:DeviceSettingDescription',
'exif:SubjectDistanceRange',
'exif:ImageUniqueID',
'exif:GPSVersionID',
'exif:GPSLatitude',
'exif:GPSLongitude',
'exif:GPSAltitudeRef',
'exif:GPSAltitude',
'exif:GPSTimeStamp',
'exif:GPSSatellites',
'exif:GPSStatus',
'exif:GPSMeasureMode',
'exif:GPSDOP',
'exif:GPSSpeedRef',
'exif:GPSSpeed',
'exif:GPSTrackRef',
'exif:GPSTrack',
'exif:GPSImgDirectionRef',
'exif:GPSImgDirection',
'exif:GPSMapDatum',
'exif:GPSDestLatitude',
'exif:GPSDestLongitude',
'exif:GPSDestBearingRef',
'exif:GPSDestBearing',
'exif:GPSDestDistanceRef',
'exif:GPSDestDistance',
'exif:GPSProcessingMethod',
'exif:GPSAreaInformation',
'exif:GPSDifferential',
'stDim:w',
'stDim:h',
'stDim:unit',
'xapGImg:height',
'xapGImg:width',
'xapGImg:format',
'xapGImg:image',
'stEvt:action',
'stEvt:instanceID',
'stEvt:parameters',
'stEvt:softwareAgent',
'stEvt:when',
'stRef:instanceID',
'stRef:documentID',
'stRef:versionID',
'stRef:renditionClass',
'stRef:renditionParams',
'stRef:manager',
'stRef:managerVariant',
'stRef:manageTo',
'stRef:manageUI',
'stVer:comments',
'stVer:event',
'stVer:modifyDate',
'stVer:modifier',
'stVer:version',
'stJob:name',
'stJob:id',
'stJob:url',
// Exif Flash
'exif:Fired',
'exif:Return',
'exif:Mode',
'exif:Function',
'exif:RedEyeMode',
// Exif OECF/SFR
'exif:Columns',
'exif:Rows',
'exif:Names',
'exif:Values',
// Exif CFAPattern
'exif:Columns',
'exif:Rows',
'exif:Values',
// Exif DeviceSettings
'exif:Columns',
'exif:Rows',
'exif:Settings',
);
*/

View File

@ -0,0 +1,277 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// write.apetag.php //
// module for writing APE tags //
// dependencies: module.tag.apetag.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.apetag.php', __FILE__, true);
class getid3_write_apetag
{
/**
* @var string
*/
public $filename;
/**
* @var array
*/
public $tag_data;
/**
* ReplayGain / MP3gain tags will be copied from old tag even if not passed in data.
*
* @var bool
*/
public $always_preserve_replaygain = true;
/**
* Any non-critical errors will be stored here.
*
* @var array
*/
public $warnings = array();
/**
* Any critical errors will be stored here.
*
* @var array
*/
public $errors = array();
public function __construct() {
}
/**
* @return bool
*/
public function WriteAPEtag() {
// NOTE: All data passed to this function must be UTF-8 format
$getID3 = new getID3;
$ThisFileInfo = $getID3->analyze($this->filename);
if (isset($ThisFileInfo['ape']['tag_offset_start']) && isset($ThisFileInfo['lyrics3']['tag_offset_end'])) {
if ($ThisFileInfo['ape']['tag_offset_start'] >= $ThisFileInfo['lyrics3']['tag_offset_end']) {
// Current APE tag between Lyrics3 and ID3v1/EOF
// This break Lyrics3 functionality
if (!$this->DeleteAPEtag()) {
return false;
}
$ThisFileInfo = $getID3->analyze($this->filename);
}
}
if ($this->always_preserve_replaygain) {
$ReplayGainTagsToPreserve = array('mp3gain_minmax', 'mp3gain_album_minmax', 'mp3gain_undo', 'replaygain_track_peak', 'replaygain_track_gain', 'replaygain_album_peak', 'replaygain_album_gain');
foreach ($ReplayGainTagsToPreserve as $rg_key) {
if (isset($ThisFileInfo['ape']['items'][strtolower($rg_key)]['data'][0]) && !isset($this->tag_data[strtoupper($rg_key)][0])) {
$this->tag_data[strtoupper($rg_key)][0] = $ThisFileInfo['ape']['items'][strtolower($rg_key)]['data'][0];
}
}
}
if ($APEtag = $this->GenerateAPEtag()) {
if (getID3::is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'a+b'))) {
$oldignoreuserabort = ignore_user_abort(true);
flock($fp, LOCK_EX);
$PostAPEdataOffset = $ThisFileInfo['avdataend'];
if (isset($ThisFileInfo['ape']['tag_offset_end'])) {
$PostAPEdataOffset = max($PostAPEdataOffset, $ThisFileInfo['ape']['tag_offset_end']);
}
if (isset($ThisFileInfo['lyrics3']['tag_offset_start'])) {
$PostAPEdataOffset = max($PostAPEdataOffset, $ThisFileInfo['lyrics3']['tag_offset_start']);
}
fseek($fp, $PostAPEdataOffset);
$PostAPEdata = '';
if ($ThisFileInfo['filesize'] > $PostAPEdataOffset) {
$PostAPEdata = fread($fp, $ThisFileInfo['filesize'] - $PostAPEdataOffset);
}
fseek($fp, $PostAPEdataOffset);
if (isset($ThisFileInfo['ape']['tag_offset_start'])) {
fseek($fp, $ThisFileInfo['ape']['tag_offset_start']);
}
ftruncate($fp, ftell($fp));
fwrite($fp, $APEtag, strlen($APEtag));
if (!empty($PostAPEdata)) {
fwrite($fp, $PostAPEdata, strlen($PostAPEdata));
}
flock($fp, LOCK_UN);
fclose($fp);
ignore_user_abort($oldignoreuserabort);
return true;
}
}
return false;
}
/**
* @return bool
*/
public function DeleteAPEtag() {
$getID3 = new getID3;
$ThisFileInfo = $getID3->analyze($this->filename);
if (isset($ThisFileInfo['ape']['tag_offset_start']) && isset($ThisFileInfo['ape']['tag_offset_end'])) {
if (getID3::is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'a+b'))) {
flock($fp, LOCK_EX);
$oldignoreuserabort = ignore_user_abort(true);
fseek($fp, $ThisFileInfo['ape']['tag_offset_end']);
$DataAfterAPE = '';
if ($ThisFileInfo['filesize'] > $ThisFileInfo['ape']['tag_offset_end']) {
$DataAfterAPE = fread($fp, $ThisFileInfo['filesize'] - $ThisFileInfo['ape']['tag_offset_end']);
}
ftruncate($fp, $ThisFileInfo['ape']['tag_offset_start']);
fseek($fp, $ThisFileInfo['ape']['tag_offset_start']);
if (!empty($DataAfterAPE)) {
fwrite($fp, $DataAfterAPE, strlen($DataAfterAPE));
}
flock($fp, LOCK_UN);
fclose($fp);
ignore_user_abort($oldignoreuserabort);
return true;
}
return false;
}
return true;
}
/**
* @return string|false
*/
public function GenerateAPEtag() {
// NOTE: All data passed to this function must be UTF-8 format
$items = array();
if (!is_array($this->tag_data)) {
return false;
}
foreach ($this->tag_data as $key => $arrayofvalues) {
if (!is_array($arrayofvalues)) {
return false;
}
$valuestring = '';
foreach ($arrayofvalues as $value) {
$valuestring .= str_replace("\x00", '', $value)."\x00";
}
$valuestring = rtrim($valuestring, "\x00");
// Length of the assigned value in bytes
$tagitem = getid3_lib::LittleEndian2String(strlen($valuestring), 4);
//$tagitem .= $this->GenerateAPEtagFlags(true, true, false, 0, false);
$tagitem .= "\x00\x00\x00\x00";
$tagitem .= $this->CleanAPEtagItemKey($key)."\x00";
$tagitem .= $valuestring;
$items[] = $tagitem;
}
return $this->GenerateAPEtagHeaderFooter($items, true).implode('', $items).$this->GenerateAPEtagHeaderFooter($items, false);
}
/**
* @param array $items
* @param bool $isheader
*
* @return string
*/
public function GenerateAPEtagHeaderFooter(&$items, $isheader=false) {
$tagdatalength = 0;
foreach ($items as $itemdata) {
$tagdatalength += strlen($itemdata);
}
$APEheader = 'APETAGEX';
$APEheader .= getid3_lib::LittleEndian2String(2000, 4);
$APEheader .= getid3_lib::LittleEndian2String(32 + $tagdatalength, 4);
$APEheader .= getid3_lib::LittleEndian2String(count($items), 4);
$APEheader .= $this->GenerateAPEtagFlags(true, true, $isheader, 0, false);
$APEheader .= str_repeat("\x00", 8);
return $APEheader;
}
/**
* @param bool $header
* @param bool $footer
* @param bool $isheader
* @param int $encodingid
* @param bool $readonly
*
* @return string
*/
public function GenerateAPEtagFlags($header=true, $footer=true, $isheader=false, $encodingid=0, $readonly=false) {
$APEtagFlags = array_fill(0, 4, 0);
if ($header) {
$APEtagFlags[0] |= 0x80; // Tag contains a header
}
if (!$footer) {
$APEtagFlags[0] |= 0x40; // Tag contains no footer
}
if ($isheader) {
$APEtagFlags[0] |= 0x20; // This is the header, not the footer
}
// 0: Item contains text information coded in UTF-8
// 1: Item contains binary information °)
// 2: Item is a locator of external stored information °°)
// 3: reserved
$APEtagFlags[3] |= ($encodingid << 1);
if ($readonly) {
$APEtagFlags[3] |= 0x01; // Tag or Item is Read Only
}
return chr($APEtagFlags[3]).chr($APEtagFlags[2]).chr($APEtagFlags[1]).chr($APEtagFlags[0]);
}
/**
* @param string $itemkey
*
* @return string
*/
public function CleanAPEtagItemKey($itemkey) {
$itemkey = preg_replace("#[^\x20-\x7E]#i", '', $itemkey);
// http://www.personal.uni-jena.de/~pfk/mpp/sv8/apekey.html
switch (strtoupper($itemkey)) {
case 'EAN/UPC':
case 'ISBN':
case 'LC':
case 'ISRC':
$itemkey = strtoupper($itemkey);
break;
default:
$itemkey = ucwords($itemkey);
break;
}
return $itemkey;
}
}

View File

@ -0,0 +1,176 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// write.id3v1.php //
// module for writing ID3v1 tags //
// dependencies: module.tag.id3v1.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true);
class getid3_write_id3v1
{
/**
* @var string
*/
public $filename;
/**
* @var int
*/
public $filesize;
/**
* @var array
*/
public $tag_data;
/**
* Any non-critical errors will be stored here.
*
* @var array
*/
public $warnings = array();
/**
* Any critical errors will be stored here.
*
* @var array
*/
public $errors = array();
public function __construct() {
}
/**
* @return bool
*/
public function WriteID3v1() {
// File MUST be writeable - CHMOD(646) at least
if (!empty($this->filename) && is_readable($this->filename) && getID3::is_writable($this->filename) && is_file($this->filename)) {
$this->setRealFileSize();
if (($this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) {
$this->errors[] = 'Unable to WriteID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
return false;
}
if ($fp_source = fopen($this->filename, 'r+b')) {
fseek($fp_source, -128, SEEK_END);
if (fread($fp_source, 3) == 'TAG') {
fseek($fp_source, -128, SEEK_END); // overwrite existing ID3v1 tag
} else {
fseek($fp_source, 0, SEEK_END); // append new ID3v1 tag
}
$this->tag_data['track_number'] = (isset($this->tag_data['track_number']) ? $this->tag_data['track_number'] : '');
$new_id3v1_tag_data = getid3_id3v1::GenerateID3v1Tag(
(isset($this->tag_data['title'] ) ? $this->tag_data['title'] : ''),
(isset($this->tag_data['artist'] ) ? $this->tag_data['artist'] : ''),
(isset($this->tag_data['album'] ) ? $this->tag_data['album'] : ''),
(isset($this->tag_data['year'] ) ? $this->tag_data['year'] : ''),
(isset($this->tag_data['genreid'] ) ? $this->tag_data['genreid'] : ''),
(isset($this->tag_data['comment'] ) ? $this->tag_data['comment'] : ''),
$this->tag_data['track_number']
);
fwrite($fp_source, $new_id3v1_tag_data, 128);
fclose($fp_source);
return true;
} else {
$this->errors[] = 'Could not fopen('.$this->filename.', "r+b")';
return false;
}
}
$this->errors[] = 'File is not writeable: '.$this->filename;
return false;
}
/**
* @return bool
*/
public function FixID3v1Padding() {
// ID3v1 data is supposed to be padded with NULL characters, but some taggers incorrectly use spaces
// This function rewrites the ID3v1 tag with correct padding
// Initialize getID3 engine
$getID3 = new getID3;
$getID3->option_tag_id3v2 = false;
$getID3->option_tag_apetag = false;
$getID3->option_tags_html = false;
$getID3->option_extra_info = false;
$getID3->option_tag_id3v1 = true;
$ThisFileInfo = $getID3->analyze($this->filename);
if (isset($ThisFileInfo['tags']['id3v1'])) {
$id3v1data = array();
foreach ($ThisFileInfo['tags']['id3v1'] as $key => $value) {
$id3v1data[$key] = implode(',', $value);
}
$this->tag_data = $id3v1data;
return $this->WriteID3v1();
}
return false;
}
/**
* @return bool
*/
public function RemoveID3v1() {
// File MUST be writeable - CHMOD(646) at least
if (!empty($this->filename) && is_readable($this->filename) && getID3::is_writable($this->filename) && is_file($this->filename)) {
$this->setRealFileSize();
if (($this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) {
$this->errors[] = 'Unable to RemoveID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
return false;
}
if ($fp_source = fopen($this->filename, 'r+b')) {
fseek($fp_source, -128, SEEK_END);
if (fread($fp_source, 3) == 'TAG') {
ftruncate($fp_source, $this->filesize - 128);
} else {
// no ID3v1 tag to begin with - do nothing
}
fclose($fp_source);
return true;
} else {
$this->errors[] = 'Could not fopen('.$this->filename.', "r+b")';
}
} else {
$this->errors[] = $this->filename.' is not writeable';
}
return false;
}
/**
* @return bool
*/
public function setRealFileSize() {
if (PHP_INT_MAX > 2147483647) {
$this->filesize = filesize($this->filename);
return true;
}
// 32-bit PHP will not return correct values for filesize() if file is >=2GB
// but getID3->analyze() has workarounds to get actual filesize
$getID3 = new getID3;
$getID3->option_tag_id3v1 = false;
$getID3->option_tag_id3v2 = false;
$getID3->option_tag_apetag = false;
$getID3->option_tags_html = false;
$getID3->option_extra_info = false;
$ThisFileInfo = $getID3->analyze($this->filename);
$this->filesize = $ThisFileInfo['filesize'];
return true;
}
}

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,97 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// write.lyrics3.php //
// module for writing Lyrics3 tags //
// dependencies: module.tag.lyrics3.php //
// ///
/////////////////////////////////////////////////////////////////
class getid3_write_lyrics3
{
/**
* @var string
*/
public $filename;
/**
* @var array
*/
public $tag_data;
//public $lyrics3_version = 2; // 1 or 2
/**
* Any non-critical errors will be stored here.
*
* @var array
*/
public $warnings = array();
/**
* Any critical errors will be stored here.
*
* @var array
*/
public $errors = array();
public function __construct() {
}
/**
* @return bool
*/
public function WriteLyrics3() {
$this->errors[] = 'WriteLyrics3() not yet functional - cannot write Lyrics3';
return false;
}
/**
* @return bool
*/
public function DeleteLyrics3() {
// Initialize getID3 engine
$getID3 = new getID3;
$ThisFileInfo = $getID3->analyze($this->filename);
if (isset($ThisFileInfo['lyrics3']['tag_offset_start']) && isset($ThisFileInfo['lyrics3']['tag_offset_end'])) {
if (is_readable($this->filename) && getID3::is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'a+b'))) {
flock($fp, LOCK_EX);
$oldignoreuserabort = ignore_user_abort(true);
fseek($fp, $ThisFileInfo['lyrics3']['tag_offset_end']);
$DataAfterLyrics3 = '';
if ($ThisFileInfo['filesize'] > $ThisFileInfo['lyrics3']['tag_offset_end']) {
$DataAfterLyrics3 = fread($fp, $ThisFileInfo['filesize'] - $ThisFileInfo['lyrics3']['tag_offset_end']);
}
ftruncate($fp, $ThisFileInfo['lyrics3']['tag_offset_start']);
if (!empty($DataAfterLyrics3)) {
fseek($fp, $ThisFileInfo['lyrics3']['tag_offset_start']);
fwrite($fp, $DataAfterLyrics3, strlen($DataAfterLyrics3));
}
flock($fp, LOCK_UN);
fclose($fp);
ignore_user_abort($oldignoreuserabort);
return true;
} else {
$this->errors[] = 'Cannot fopen('.$this->filename.', "a+b")';
return false;
}
}
// no Lyrics3 present
return true;
}
}

View File

@ -0,0 +1,238 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// write.metaflac.php //
// module for writing metaflac tags //
// dependencies: /helperapps/metaflac.exe //
// ///
/////////////////////////////////////////////////////////////////
class getid3_write_metaflac
{
/**
* @var string
*/
public $filename;
/**
* @var array
*/
public $tag_data;
/**
* Any non-critical errors will be stored here.
*
* @var array
*/
public $warnings = array();
/**
* Any critical errors will be stored here.
*
* @var array
*/
public $errors = array();
private $pictures = array();
public function __construct() {
}
/**
* @return bool
*/
public function WriteMetaFLAC() {
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call metaflac, tags not written';
return false;
}
$tempfilenames = array();
if (!empty($this->tag_data['ATTACHED_PICTURE'])) {
foreach ($this->tag_data['ATTACHED_PICTURE'] as $key => $picturedetails) {
$temppicturefilename = tempnam(GETID3_TEMP_DIR, 'getID3');
$tempfilenames[] = $temppicturefilename;
if (getID3::is_writable($temppicturefilename) && is_file($temppicturefilename) && ($fpcomments = fopen($temppicturefilename, 'wb'))) {
// https://xiph.org/flac/documentation_tools_flac.html#flac_options_picture
// [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE
fwrite($fpcomments, $picturedetails['data']);
fclose($fpcomments);
$picture_typeid = (!empty($picturedetails['picturetypeid']) ? $this->ID3v2toFLACpictureTypes($picturedetails['picturetypeid']) : 3); // default to "3:Cover (front)"
$picture_mimetype = (!empty($picturedetails['mime']) ? $picturedetails['mime'] : ''); // should be auto-detected
$picture_width_height_depth = '';
$this->pictures[] = $picture_typeid.'|'.$picture_mimetype.'|'.preg_replace('#[^\x20-\x7B\x7D-\x7F]#', '', $picturedetails['description']).'|'.$picture_width_height_depth.'|'.$temppicturefilename;
} else {
$this->errors[] = 'failed to open temporary tags file, tags not written - fopen("'.$temppicturefilename.'", "wb")';
return false;
}
}
unset($this->tag_data['ATTACHED_PICTURE']);
}
// Create file with new comments
$tempcommentsfilename = tempnam(GETID3_TEMP_DIR, 'getID3');
$tempfilenames[] = $tempcommentsfilename;
if (getID3::is_writable($tempcommentsfilename) && is_file($tempcommentsfilename) && ($fpcomments = fopen($tempcommentsfilename, 'wb'))) {
foreach ($this->tag_data as $key => $value) {
foreach ($value as $commentdata) {
fwrite($fpcomments, $this->CleanmetaflacName($key).'='.$commentdata."\n");
}
}
fclose($fpcomments);
} else {
$this->errors[] = 'failed to open temporary tags file, tags not written - fopen("'.$tempcommentsfilename.'", "wb")';
return false;
}
$oldignoreuserabort = ignore_user_abort(true);
if (GETID3_OS_ISWINDOWS) {
if (file_exists(GETID3_HELPERAPPSDIR.'metaflac.exe')) {
//$commandline = '"'.GETID3_HELPERAPPSDIR.'metaflac.exe" --no-utf8-convert --remove-all-tags --import-tags-from="'.$tempcommentsfilename.'" "'.str_replace('/', '\\', $this->filename).'"';
// metaflac works fine if you copy-paste the above commandline into a command prompt,
// but refuses to work with `backtick` if there are "doublequotes" present around BOTH
// the metaflac pathname and the target filename. For whatever reason...??
// The solution is simply ensure that the metaflac pathname has no spaces,
// and therefore does not need to be quoted
// On top of that, if error messages are not always captured properly under Windows
// To at least see if there was a problem, compare file modification timestamps before and after writing
clearstatcache(true, $this->filename);
$timestampbeforewriting = filemtime($this->filename);
$commandline = GETID3_HELPERAPPSDIR.'metaflac.exe --no-utf8-convert --remove-all-tags --import-tags-from='.escapeshellarg($tempcommentsfilename);
foreach ($this->pictures as $picturecommand) {
$commandline .= ' --import-picture-from='.escapeshellarg($picturecommand);
}
$commandline .= ' '.escapeshellarg($this->filename).' 2>&1';
$metaflacError = `$commandline`;
if (empty($metaflacError)) {
clearstatcache(true, $this->filename);
if ($timestampbeforewriting == filemtime($this->filename)) {
$metaflacError = 'File modification timestamp has not changed - it looks like the tags were not written';
}
}
} else {
$metaflacError = 'metaflac.exe not found in '.GETID3_HELPERAPPSDIR;
}
} else {
// It's simpler on *nix
$commandline = 'metaflac --no-utf8-convert --remove-all-tags --import-tags-from='.escapeshellarg($tempcommentsfilename);
foreach ($this->pictures as $picturecommand) {
$commandline .= ' --import-picture-from='.escapeshellarg($picturecommand);
}
$commandline .= ' '.escapeshellarg($this->filename).' 2>&1';
$metaflacError = `$commandline`;
}
// Remove temporary comments file
foreach ($tempfilenames as $tempfilename) {
unlink($tempfilename);
}
ignore_user_abort($oldignoreuserabort);
if (!empty($metaflacError)) {
$this->errors[] = 'System call to metaflac failed with this message returned: '."\n\n".$metaflacError;
return false;
}
return true;
}
/**
* @return bool
*/
public function DeleteMetaFLAC() {
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call metaflac, tags not deleted';
return false;
}
$oldignoreuserabort = ignore_user_abort(true);
if (GETID3_OS_ISWINDOWS) {
if (file_exists(GETID3_HELPERAPPSDIR.'metaflac.exe')) {
// To at least see if there was a problem, compare file modification timestamps before and after writing
clearstatcache(true, $this->filename);
$timestampbeforewriting = filemtime($this->filename);
$commandline = GETID3_HELPERAPPSDIR.'metaflac.exe --remove-all-tags "'.$this->filename.'" 2>&1';
$metaflacError = `$commandline`;
if (empty($metaflacError)) {
clearstatcache(true, $this->filename);
if ($timestampbeforewriting == filemtime($this->filename)) {
$metaflacError = 'File modification timestamp has not changed - it looks like the tags were not deleted';
}
}
} else {
$metaflacError = 'metaflac.exe not found in '.GETID3_HELPERAPPSDIR;
}
} else {
// It's simpler on *nix
$commandline = 'metaflac --remove-all-tags "'.$this->filename.'" 2>&1';
$metaflacError = `$commandline`;
}
ignore_user_abort($oldignoreuserabort);
if (!empty($metaflacError)) {
$this->errors[] = 'System call to metaflac failed with this message returned: '."\n\n".$metaflacError;
return false;
}
return true;
}
/**
* @param int $id3v2_picture_typeid
*
* @return int
*/
public function ID3v2toFLACpictureTypes($id3v2_picture_typeid) {
// METAFLAC picture type list is identical to ID3v2 picture type list (as least up to 0x14 "Publisher/Studio logotype")
// http://id3.org/id3v2.4.0-frames (section 4.14)
// https://xiph.org/flac/documentation_tools_flac.html#flac_options_picture
//return (isset($ID3v2toFLACpictureTypes[$id3v2_picture_typeid]) ? $ID3v2toFLACpictureTypes[$id3v2_picture_typeid] : 3); // default: "3: Cover (front)"
return (($id3v2_picture_typeid <= 0x14) ? $id3v2_picture_typeid : 3); // default: "3: Cover (front)"
}
/**
* @param string $originalcommentname
*
* @return string
*/
public function CleanmetaflacName($originalcommentname) {
// A case-insensitive field name that may consist of ASCII 0x20 through 0x7D, 0x3D ('=') excluded.
// ASCII 0x41 through 0x5A inclusive (A-Z) is to be considered equivalent to ASCII 0x61 through
// 0x7A inclusive (a-z).
// replace invalid chars with a space, return uppercase text
// Thanks Chris Bolt <chris-getid3Øbolt*cx> for improving this function
// note: *reg_replace() replaces nulls with empty string (not space)
return strtoupper(preg_replace('#[^ -<>-}]#', ' ', str_replace("\x00", ' ', $originalcommentname)));
}
}

View File

@ -0,0 +1,768 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
/// //
// write.php //
// module for writing tags (APEv2, ID3v1, ID3v2) //
// dependencies: getid3.lib.php //
// write.apetag.php (optional) //
// write.id3v1.php (optional) //
// write.id3v2.php (optional) //
// write.vorbiscomment.php (optional) //
// write.metaflac.php (optional) //
// write.lyrics3.php (optional) //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) {
throw new Exception('getid3.php MUST be included before calling getid3_writetags');
}
if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) {
throw new Exception('write.php depends on getid3.lib.php, which is missing.');
}
/**
* NOTES:
*
* You should pass data here with standard field names as follows:
* * TITLE
* * ARTIST
* * ALBUM
* * TRACKNUMBER
* * COMMENT
* * GENRE
* * YEAR
* * ATTACHED_PICTURE (ID3v2 only)
* The APEv2 Tag Items Keys definition says "TRACK" is correct but foobar2000 uses "TRACKNUMBER" instead
* Pass data here as "TRACKNUMBER" for compatability with all formats
*
* @link http://www.personal.uni-jena.de/~pfk/mpp/sv8/apekey.html
*/
class getid3_writetags
{
/**
* Absolute filename of file to write tags to.
*
* @var string
*/
public $filename;
/**
* Array of tag formats to write ('id3v1', 'id3v2.2', 'id2v2.3', 'id3v2.4', 'ape', 'vorbiscomment',
* 'metaflac', 'real').
*
* @var array
*/
public $tagformats = array();
/**
* 2-dimensional array of tag data (ex: $data['ARTIST'][0] = 'Elvis').
*
* @var array
*/
public $tag_data = array(array());
/**
* Text encoding used for tag data ('ISO-8859-1', 'UTF-8', 'UTF-16', 'UTF-16LE', 'UTF-16BE', ).
*
* @var string
*/
public $tag_encoding = 'ISO-8859-1';
/**
* If true will erase existing tag data and write only passed data; if false will merge passed data
* with existing tag data.
*
* @var bool
*/
public $overwrite_tags = true;
/**
* If true will erase remove all existing tags and only write those passed in $tagformats;
* If false will ignore any tags not mentioned in $tagformats.
*
* @var bool
*/
public $remove_other_tags = false;
/**
* ISO-639-2 3-character language code needed for some ID3v2 frames.
*
* @link http://www.id3.org/iso639-2.html
*
* @var string
*/
public $id3v2_tag_language = 'eng';
/**
* Minimum length of ID3v2 tags (will be padded to this length if tag data is shorter).
*
* @var int
*/
public $id3v2_paddedlength = 4096;
/**
* Any non-critical errors will be stored here.
*
* @var array
*/
public $warnings = array();
/**
* Any critical errors will be stored here.
*
* @var array
*/
public $errors = array();
/**
* Analysis of file before writing.
*
* @var array
*/
private $ThisFileInfo;
public function __construct() {
}
/**
* @return bool
*/
public function WriteTags() {
if (empty($this->filename)) {
$this->errors[] = 'filename is undefined in getid3_writetags';
return false;
} elseif (!file_exists($this->filename)) {
$this->errors[] = 'filename set to non-existant file "'.$this->filename.'" in getid3_writetags';
return false;
}
if (!is_array($this->tagformats)) {
$this->errors[] = 'tagformats must be an array in getid3_writetags';
return false;
}
// prevent duplicate tag formats
$this->tagformats = array_unique($this->tagformats);
// prevent trying to specify more than one version of ID3v2 tag to write simultaneously
$id3typecounter = 0;
foreach ($this->tagformats as $tagformat) {
if (substr(strtolower($tagformat), 0, 6) == 'id3v2.') {
$id3typecounter++;
}
}
if ($id3typecounter > 1) {
$this->errors[] = 'tagformats must not contain more than one version of ID3v2';
return false;
}
$TagFormatsToRemove = array();
$AllowedTagFormats = array();
if (filesize($this->filename) == 0) {
// empty file special case - allow any tag format, don't check existing format
// could be useful if you want to generate tag data for a non-existant file
$this->ThisFileInfo = array('fileformat'=>'');
$AllowedTagFormats = array('id3v1', 'id3v2.2', 'id3v2.3', 'id3v2.4', 'ape', 'lyrics3');
} else {
$getID3 = new getID3;
$getID3->encoding = $this->tag_encoding;
$this->ThisFileInfo = $getID3->analyze($this->filename);
// check for what file types are allowed on this fileformat
switch (isset($this->ThisFileInfo['fileformat']) ? $this->ThisFileInfo['fileformat'] : '') {
case 'mp3':
case 'mp2':
case 'mp1':
case 'riff': // maybe not officially, but people do it anyway
$AllowedTagFormats = array('id3v1', 'id3v2.2', 'id3v2.3', 'id3v2.4', 'ape', 'lyrics3');
break;
case 'mpc':
$AllowedTagFormats = array('ape');
break;
case 'flac':
$AllowedTagFormats = array('metaflac');
break;
case 'real':
$AllowedTagFormats = array('real');
break;
case 'ogg':
switch (isset($this->ThisFileInfo['audio']['dataformat']) ? $this->ThisFileInfo['audio']['dataformat'] : '') {
case 'flac':
//$AllowedTagFormats = array('metaflac');
$this->errors[] = 'metaflac is not (yet) compatible with OggFLAC files';
return false;
case 'vorbis':
$AllowedTagFormats = array('vorbiscomment');
break;
default:
$this->errors[] = 'metaflac is not (yet) compatible with Ogg files other than OggVorbis';
return false;
}
break;
default:
$AllowedTagFormats = array();
break;
}
foreach ($this->tagformats as $requested_tag_format) {
if (!in_array($requested_tag_format, $AllowedTagFormats)) {
$errormessage = 'Tag format "'.$requested_tag_format.'" is not allowed on "'.(isset($this->ThisFileInfo['fileformat']) ? $this->ThisFileInfo['fileformat'] : '');
$errormessage .= (isset($this->ThisFileInfo['audio']['dataformat']) ? '.'.$this->ThisFileInfo['audio']['dataformat'] : '');
$errormessage .= '" files';
$this->errors[] = $errormessage;
return false;
}
}
// List of other tag formats, removed if requested
if ($this->remove_other_tags) {
foreach ($AllowedTagFormats as $AllowedTagFormat) {
switch ($AllowedTagFormat) {
case 'id3v2.2':
case 'id3v2.3':
case 'id3v2.4':
if (!in_array('id3v2', $TagFormatsToRemove) && !in_array('id3v2.2', $this->tagformats) && !in_array('id3v2.3', $this->tagformats) && !in_array('id3v2.4', $this->tagformats)) {
$TagFormatsToRemove[] = 'id3v2';
}
break;
default:
if (!in_array($AllowedTagFormat, $this->tagformats)) {
$TagFormatsToRemove[] = $AllowedTagFormat;
}
break;
}
}
}
}
$WritingFilesToInclude = array_merge($this->tagformats, $TagFormatsToRemove);
// Check for required include files and include them
foreach ($WritingFilesToInclude as $tagformat) {
switch ($tagformat) {
case 'ape':
$GETID3_ERRORARRAY = &$this->errors;
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'write.apetag.php', __FILE__, true);
break;
case 'id3v1':
case 'lyrics3':
case 'vorbiscomment':
case 'metaflac':
case 'real':
$GETID3_ERRORARRAY = &$this->errors;
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'write.'.$tagformat.'.php', __FILE__, true);
break;
case 'id3v2.2':
case 'id3v2.3':
case 'id3v2.4':
case 'id3v2':
$GETID3_ERRORARRAY = &$this->errors;
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'write.id3v2.php', __FILE__, true);
break;
default:
$this->errors[] = 'unknown tag format "'.$tagformat.'" in $tagformats in WriteTags()';
return false;
}
}
// Validation of supplied data
if (!is_array($this->tag_data)) {
$this->errors[] = '$this->tag_data is not an array in WriteTags()';
return false;
}
// convert supplied data array keys to upper case, if they're not already
foreach ($this->tag_data as $tag_key => $tag_array) {
if (strtoupper($tag_key) !== $tag_key) {
$this->tag_data[strtoupper($tag_key)] = $this->tag_data[$tag_key];
unset($this->tag_data[$tag_key]);
}
}
// convert source data array keys to upper case, if they're not already
if (!empty($this->ThisFileInfo['tags'])) {
foreach ($this->ThisFileInfo['tags'] as $tag_format => $tag_data_array) {
foreach ($tag_data_array as $tag_key => $tag_array) {
if (strtoupper($tag_key) !== $tag_key) {
$this->ThisFileInfo['tags'][$tag_format][strtoupper($tag_key)] = $this->ThisFileInfo['tags'][$tag_format][$tag_key];
unset($this->ThisFileInfo['tags'][$tag_format][$tag_key]);
}
}
}
}
// Convert "TRACK" to "TRACK_NUMBER" (if needed) for compatability with all formats
if (isset($this->tag_data['TRACK']) && !isset($this->tag_data['TRACK_NUMBER'])) {
$this->tag_data['TRACK_NUMBER'] = $this->tag_data['TRACK'];
unset($this->tag_data['TRACK']);
}
// Remove all other tag formats, if requested
if ($this->remove_other_tags) {
$this->DeleteTags($TagFormatsToRemove);
}
// Write data for each tag format
foreach ($this->tagformats as $tagformat) {
$success = false; // overridden if tag writing is successful
switch ($tagformat) {
case 'ape':
$ape_writer = new getid3_write_apetag;
if ($ape_writer->tag_data = $this->FormatDataForAPE()) {
$ape_writer->filename = $this->filename;
if (($success = $ape_writer->WriteAPEtag()) === false) {
$this->errors[] = 'WriteAPEtag() failed with message(s):<pre><ul><li>'.str_replace("\n", '</li><li>', htmlentities(trim(implode("\n", $ape_writer->errors)))).'</li></ul></pre>';
}
} else {
$this->errors[] = 'FormatDataForAPE() failed';
}
break;
case 'id3v1':
$id3v1_writer = new getid3_write_id3v1;
if ($id3v1_writer->tag_data = $this->FormatDataForID3v1()) {
$id3v1_writer->filename = $this->filename;
if (($success = $id3v1_writer->WriteID3v1()) === false) {
$this->errors[] = 'WriteID3v1() failed with message(s):<pre><ul><li>'.str_replace("\n", '</li><li>', htmlentities(trim(implode("\n", $id3v1_writer->errors)))).'</li></ul></pre>';
}
} else {
$this->errors[] = 'FormatDataForID3v1() failed';
}
break;
case 'id3v2.2':
case 'id3v2.3':
case 'id3v2.4':
$id3v2_writer = new getid3_write_id3v2;
$id3v2_writer->majorversion = intval(substr($tagformat, -1));
$id3v2_writer->paddedlength = $this->id3v2_paddedlength;
$id3v2_writer_tag_data = $this->FormatDataForID3v2($id3v2_writer->majorversion);
if ($id3v2_writer_tag_data !== false) {
$id3v2_writer->tag_data = $id3v2_writer_tag_data;
unset($id3v2_writer_tag_data);
$id3v2_writer->filename = $this->filename;
if (($success = $id3v2_writer->WriteID3v2()) === false) {
$this->errors[] = 'WriteID3v2() failed with message(s):<pre><ul><li>'.str_replace("\n", '</li><li>', htmlentities(trim(implode("\n", $id3v2_writer->errors)))).'</li></ul></pre>';
}
} else {
$this->errors[] = 'FormatDataForID3v2() failed';
}
break;
case 'vorbiscomment':
$vorbiscomment_writer = new getid3_write_vorbiscomment;
if ($vorbiscomment_writer->tag_data = $this->FormatDataForVorbisComment()) {
$vorbiscomment_writer->filename = $this->filename;
if (($success = $vorbiscomment_writer->WriteVorbisComment()) === false) {
$this->errors[] = 'WriteVorbisComment() failed with message(s):<pre><ul><li>'.str_replace("\n", '</li><li>', htmlentities(trim(implode("\n", $vorbiscomment_writer->errors)))).'</li></ul></pre>';
}
} else {
$this->errors[] = 'FormatDataForVorbisComment() failed';
}
break;
case 'metaflac':
$metaflac_writer = new getid3_write_metaflac;
if ($metaflac_writer->tag_data = $this->FormatDataForMetaFLAC()) {
$metaflac_writer->filename = $this->filename;
if (($success = $metaflac_writer->WriteMetaFLAC()) === false) {
$this->errors[] = 'WriteMetaFLAC() failed with message(s):<pre><ul><li>'.str_replace("\n", '</li><li>', htmlentities(trim(implode("\n", $metaflac_writer->errors)))).'</li></ul></pre>';
}
} else {
$this->errors[] = 'FormatDataForMetaFLAC() failed';
}
break;
case 'real':
$real_writer = new getid3_write_real;
if ($real_writer->tag_data = $this->FormatDataForReal()) {
$real_writer->filename = $this->filename;
if (($success = $real_writer->WriteReal()) === false) {
$this->errors[] = 'WriteReal() failed with message(s):<pre><ul><li>'.str_replace("\n", '</li><li>', htmlentities(trim(implode("\n", $real_writer->errors)))).'</li></ul></pre>';
}
} else {
$this->errors[] = 'FormatDataForReal() failed';
}
break;
default:
$this->errors[] = 'Invalid tag format to write: "'.$tagformat.'"';
return false;
}
if (!$success) {
return false;
}
}
return true;
}
/**
* @param string[] $TagFormatsToDelete
*
* @return bool
*/
public function DeleteTags($TagFormatsToDelete) {
foreach ($TagFormatsToDelete as $DeleteTagFormat) {
$success = false; // overridden if tag deletion is successful
switch ($DeleteTagFormat) {
case 'id3v1':
$id3v1_writer = new getid3_write_id3v1;
$id3v1_writer->filename = $this->filename;
if (($success = $id3v1_writer->RemoveID3v1()) === false) {
$this->errors[] = 'RemoveID3v1() failed with message(s):<PRE><UL><LI>'.trim(implode('</LI><LI>', $id3v1_writer->errors)).'</LI></UL></PRE>';
}
break;
case 'id3v2':
$id3v2_writer = new getid3_write_id3v2;
$id3v2_writer->filename = $this->filename;
if (($success = $id3v2_writer->RemoveID3v2()) === false) {
$this->errors[] = 'RemoveID3v2() failed with message(s):<PRE><UL><LI>'.trim(implode('</LI><LI>', $id3v2_writer->errors)).'</LI></UL></PRE>';
}
break;
case 'ape':
$ape_writer = new getid3_write_apetag;
$ape_writer->filename = $this->filename;
if (($success = $ape_writer->DeleteAPEtag()) === false) {
$this->errors[] = 'DeleteAPEtag() failed with message(s):<PRE><UL><LI>'.trim(implode('</LI><LI>', $ape_writer->errors)).'</LI></UL></PRE>';
}
break;
case 'vorbiscomment':
$vorbiscomment_writer = new getid3_write_vorbiscomment;
$vorbiscomment_writer->filename = $this->filename;
if (($success = $vorbiscomment_writer->DeleteVorbisComment()) === false) {
$this->errors[] = 'DeleteVorbisComment() failed with message(s):<PRE><UL><LI>'.trim(implode('</LI><LI>', $vorbiscomment_writer->errors)).'</LI></UL></PRE>';
}
break;
case 'metaflac':
$metaflac_writer = new getid3_write_metaflac;
$metaflac_writer->filename = $this->filename;
if (($success = $metaflac_writer->DeleteMetaFLAC()) === false) {
$this->errors[] = 'DeleteMetaFLAC() failed with message(s):<PRE><UL><LI>'.trim(implode('</LI><LI>', $metaflac_writer->errors)).'</LI></UL></PRE>';
}
break;
case 'lyrics3':
$lyrics3_writer = new getid3_write_lyrics3;
$lyrics3_writer->filename = $this->filename;
if (($success = $lyrics3_writer->DeleteLyrics3()) === false) {
$this->errors[] = 'DeleteLyrics3() failed with message(s):<PRE><UL><LI>'.trim(implode('</LI><LI>', $lyrics3_writer->errors)).'</LI></UL></PRE>';
}
break;
case 'real':
$real_writer = new getid3_write_real;
$real_writer->filename = $this->filename;
if (($success = $real_writer->RemoveReal()) === false) {
$this->errors[] = 'RemoveReal() failed with message(s):<PRE><UL><LI>'.trim(implode('</LI><LI>', $real_writer->errors)).'</LI></UL></PRE>';
}
break;
default:
$this->errors[] = 'Invalid tag format to delete: "'.$DeleteTagFormat.'"';
return false;
}
if (!$success) {
return false;
}
}
return true;
}
/**
* @param string $TagFormat
* @param array $tag_data
*
* @return bool
* @throws Exception
*/
public function MergeExistingTagData($TagFormat, &$tag_data) {
// Merge supplied data with existing data, if requested
if ($this->overwrite_tags) {
// do nothing - ignore previous data
} else {
throw new Exception('$this->overwrite_tags=false is known to be buggy in this version of getID3. Check http://github.com/JamesHeinrich/getID3 for a newer version.');
// if (!isset($this->ThisFileInfo['tags'][$TagFormat])) {
// return false;
// }
// $tag_data = array_merge_recursive($tag_data, $this->ThisFileInfo['tags'][$TagFormat]);
}
return true;
}
/**
* @return array
*/
public function FormatDataForAPE() {
$ape_tag_data = array();
foreach ($this->tag_data as $tag_key => $valuearray) {
switch ($tag_key) {
case 'ATTACHED_PICTURE':
// ATTACHED_PICTURE is ID3v2 only - ignore
$this->warnings[] = '$data['.$tag_key.'] is assumed to be ID3v2 APIC data - NOT written to APE tag';
break;
default:
foreach ($valuearray as $key => $value) {
if (is_string($value) || is_numeric($value)) {
$ape_tag_data[$tag_key][$key] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-8', $value);
} else {
$this->warnings[] = '$data['.$tag_key.']['.$key.'] is not a string value - all of $data['.$tag_key.'] NOT written to APE tag';
unset($ape_tag_data[$tag_key]);
break;
}
}
break;
}
}
$this->MergeExistingTagData('ape', $ape_tag_data);
return $ape_tag_data;
}
/**
* @return array
*/
public function FormatDataForID3v1() {
$tag_data_id3v1 = array();
$tag_data_id3v1['genreid'] = 255;
if (!empty($this->tag_data['GENRE'])) {
foreach ($this->tag_data['GENRE'] as $key => $value) {
if (getid3_id3v1::LookupGenreID($value) !== false) {
$tag_data_id3v1['genreid'] = getid3_id3v1::LookupGenreID($value);
break;
}
}
}
$tag_data_id3v1['title'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['TITLE'] ) ? $this->tag_data['TITLE'] : array())));
$tag_data_id3v1['artist'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['ARTIST'] ) ? $this->tag_data['ARTIST'] : array())));
$tag_data_id3v1['album'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['ALBUM'] ) ? $this->tag_data['ALBUM'] : array())));
$tag_data_id3v1['year'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['YEAR'] ) ? $this->tag_data['YEAR'] : array())));
$tag_data_id3v1['comment'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['COMMENT'] ) ? $this->tag_data['COMMENT'] : array())));
$tag_data_id3v1['track_number'] = intval(getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['TRACK_NUMBER']) ? $this->tag_data['TRACK_NUMBER'] : array()))));
if ($tag_data_id3v1['track_number'] <= 0) {
$tag_data_id3v1['track_number'] = '';
}
$this->MergeExistingTagData('id3v1', $tag_data_id3v1);
return $tag_data_id3v1;
}
/**
* @param int $id3v2_majorversion
*
* @return array|false
*/
public function FormatDataForID3v2($id3v2_majorversion) {
$tag_data_id3v2 = array();
$ID3v2_text_encoding_lookup = array();
$ID3v2_text_encoding_lookup[2] = array('ISO-8859-1'=>0, 'UTF-16'=>1);
$ID3v2_text_encoding_lookup[3] = array('ISO-8859-1'=>0, 'UTF-16'=>1);
$ID3v2_text_encoding_lookup[4] = array('ISO-8859-1'=>0, 'UTF-16'=>1, 'UTF-16BE'=>2, 'UTF-8'=>3);
foreach ($this->tag_data as $tag_key => $valuearray) {
$ID3v2_framename = getid3_write_id3v2::ID3v2ShortFrameNameLookup($id3v2_majorversion, $tag_key);
switch ($ID3v2_framename) {
case 'APIC':
foreach ($valuearray as $key => $apic_data_array) {
if (isset($apic_data_array['data']) &&
isset($apic_data_array['picturetypeid']) &&
isset($apic_data_array['description']) &&
isset($apic_data_array['mime'])) {
$tag_data_id3v2['APIC'][] = $apic_data_array;
} else {
$this->errors[] = 'ID3v2 APIC data is not properly structured';
return false;
}
}
break;
case 'POPM':
if (isset($valuearray['email']) &&
isset($valuearray['rating']) &&
isset($valuearray['data'])) {
$tag_data_id3v2['POPM'][] = $valuearray;
} else {
$this->errors[] = 'ID3v2 POPM data is not properly structured';
return false;
}
break;
case 'GRID':
if (
isset($valuearray['groupsymbol']) &&
isset($valuearray['ownerid']) &&
isset($valuearray['data'])
) {
$tag_data_id3v2['GRID'][] = $valuearray;
} else {
$this->errors[] = 'ID3v2 GRID data is not properly structured';
return false;
}
break;
case 'UFID':
if (isset($valuearray['ownerid']) &&
isset($valuearray['data'])) {
$tag_data_id3v2['UFID'][] = $valuearray;
} else {
$this->errors[] = 'ID3v2 UFID data is not properly structured';
return false;
}
break;
case 'TXXX':
foreach ($valuearray as $key => $txxx_data_array) {
if (isset($txxx_data_array['description']) && isset($txxx_data_array['data'])) {
$tag_data_id3v2['TXXX'][] = $txxx_data_array;
} else {
$this->errors[] = 'ID3v2 TXXX data is not properly structured';
return false;
}
}
break;
case '':
$this->errors[] = 'ID3v2: Skipping "'.$tag_key.'" because cannot match it to a known ID3v2 frame type';
// some other data type, don't know how to handle it, ignore it
break;
default:
// most other (text) frames can be copied over as-is
foreach ($valuearray as $key => $value) {
if (isset($ID3v2_text_encoding_lookup[$id3v2_majorversion][$this->tag_encoding])) {
// source encoding is valid in ID3v2 - use it with no conversion
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = $ID3v2_text_encoding_lookup[$id3v2_majorversion][$this->tag_encoding];
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = $value;
} else {
// source encoding is NOT valid in ID3v2 - convert it to an ID3v2-valid encoding first
if ($id3v2_majorversion < 4) {
// convert data from other encoding to UTF-16 (with BOM)
// note: some software, notably Windows Media Player and iTunes are broken and treat files tagged with UTF-16BE (with BOM) as corrupt
// therefore we force data to UTF-16LE and manually prepend the BOM
$ID3v2_tag_data_converted = false;
if (/*!$ID3v2_tag_data_converted && */($this->tag_encoding == 'ISO-8859-1')) {
// great, leave data as-is for minimum compatability problems
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 0;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = $value;
$ID3v2_tag_data_converted = true;
}
if (!$ID3v2_tag_data_converted && ($this->tag_encoding == 'UTF-8')) {
do {
// if UTF-8 string does not include any characters above chr(127) then it is identical to ISO-8859-1
$value = (string) $value; // prevent warnings/errors if $value is a non-string (e.g. integer,float)
for ($i = 0; $i < strlen($value); $i++) {
if (ord($value[$i]) > 127) {
break 2;
}
}
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 0;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = $value;
$ID3v2_tag_data_converted = true;
} while (false); // @phpstan-ignore-line
}
if (!$ID3v2_tag_data_converted) {
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 1;
//$tag_data_id3v2[$ID3v2_framename][$key]['data'] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-16', $value); // output is UTF-16LE+BOM or UTF-16BE+BOM depending on system architecture
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = "\xFF\xFE".getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-16LE', $value); // force LittleEndian order version of UTF-16
$ID3v2_tag_data_converted = true;
}
} else {
// convert data from other encoding to UTF-8
$tag_data_id3v2[$ID3v2_framename][$key]['encodingid'] = 3;
$tag_data_id3v2[$ID3v2_framename][$key]['data'] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-8', $value);
}
}
// These values are not needed for all frame types, but if they're not used no matter
$tag_data_id3v2[$ID3v2_framename][$key]['description'] = '';
$tag_data_id3v2[$ID3v2_framename][$key]['language'] = $this->id3v2_tag_language;
}
break;
}
}
$this->MergeExistingTagData('id3v2', $tag_data_id3v2);
return $tag_data_id3v2;
}
/**
* @return array
*/
public function FormatDataForVorbisComment() {
$tag_data_vorbiscomment = $this->tag_data;
// check for multi-line comment values - split out to multiple comments if neccesary
// and convert data to UTF-8 strings
foreach ($tag_data_vorbiscomment as $tag_key => $valuearray) {
foreach ($valuearray as $key => $value) {
if (($tag_key == 'ATTACHED_PICTURE') && is_array($value)) {
continue; // handled separately in write.metaflac.php
} else {
str_replace("\r", "\n", $value);
if (strstr($value, "\n")) {
unset($tag_data_vorbiscomment[$tag_key][$key]);
$multilineexploded = explode("\n", $value);
foreach ($multilineexploded as $newcomment) {
if (strlen(trim($newcomment)) > 0) {
$tag_data_vorbiscomment[$tag_key][] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-8', $newcomment);
}
}
} elseif (is_string($value) || is_numeric($value)) {
$tag_data_vorbiscomment[$tag_key][$key] = getid3_lib::iconv_fallback($this->tag_encoding, 'UTF-8', $value);
} else {
$this->warnings[] = '$data['.$tag_key.']['.$key.'] is not a string value - all of $data['.$tag_key.'] NOT written to VorbisComment tag';
unset($tag_data_vorbiscomment[$tag_key]);
break;
}
}
}
}
$this->MergeExistingTagData('vorbiscomment', $tag_data_vorbiscomment);
return $tag_data_vorbiscomment;
}
/**
* @return array
*/
public function FormatDataForMetaFLAC() {
// FLAC & OggFLAC use VorbisComments same as OggVorbis
// but require metaflac to do the writing rather than vorbiscomment
return $this->FormatDataForVorbisComment();
}
/**
* @return array
*/
public function FormatDataForReal() {
$tag_data_real = array();
$tag_data_real['title'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['TITLE'] ) ? $this->tag_data['TITLE'] : array())));
$tag_data_real['artist'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['ARTIST'] ) ? $this->tag_data['ARTIST'] : array())));
$tag_data_real['copyright'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['COPYRIGHT']) ? $this->tag_data['COPYRIGHT'] : array())));
$tag_data_real['comment'] = getid3_lib::iconv_fallback($this->tag_encoding, 'ISO-8859-1', implode(' ', (isset($this->tag_data['COMMENT'] ) ? $this->tag_data['COMMENT'] : array())));
$this->MergeExistingTagData('real', $tag_data_real);
return $tag_data_real;
}
}

View File

@ -0,0 +1,328 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// write.real.php //
// module for writing RealAudio/RealVideo tags //
// dependencies: module.tag.real.php //
// ///
/////////////////////////////////////////////////////////////////
class getid3_write_real
{
/**
* @var string
*/
public $filename;
/**
* @var array
*/
public $tag_data = array();
/**
* Read buffer size in bytes.
*
* @var int
*/
public $fread_buffer_size = 32768;
/**
* Any non-critical errors will be stored here.
*
* @var array
*/
public $warnings = array();
/**
* Any critical errors will be stored here.
*
* @var array
*/
public $errors = array();
/**
* Minimum length of CONT tag in bytes.
*
* @var int
*/
public $paddedlength = 512;
public function __construct() {
}
/**
* @return bool
*/
public function WriteReal() {
// File MUST be writeable - CHMOD(646) at least
if (getID3::is_writable($this->filename) && is_file($this->filename) && ($fp_source = fopen($this->filename, 'r+b'))) {
// Initialize getID3 engine
$getID3 = new getID3;
$OldThisFileInfo = $getID3->analyze($this->filename);
if (empty($OldThisFileInfo['real']['chunks']) && !empty($OldThisFileInfo['real']['old_ra_header'])) {
$this->errors[] = 'Cannot write Real tags on old-style file format';
fclose($fp_source);
return false;
}
if (empty($OldThisFileInfo['real']['chunks'])) {
$this->errors[] = 'Cannot write Real tags because cannot find DATA chunk in file';
fclose($fp_source);
return false;
}
$oldChunkInfo = array();
foreach ($OldThisFileInfo['real']['chunks'] as $chunknumber => $chunkarray) {
$oldChunkInfo[$chunkarray['name']] = $chunkarray;
}
if (!empty($oldChunkInfo['CONT']['length'])) {
$this->paddedlength = max($oldChunkInfo['CONT']['length'], $this->paddedlength);
}
$new_CONT_tag_data = $this->GenerateCONTchunk();
$new_PROP_tag_data = $this->GeneratePROPchunk($OldThisFileInfo['real']['chunks'], $new_CONT_tag_data);
$new__RMF_tag_data = $this->GenerateRMFchunk($OldThisFileInfo['real']['chunks']);
if (isset($oldChunkInfo['.RMF']['length']) && ($oldChunkInfo['.RMF']['length'] == strlen($new__RMF_tag_data))) {
fseek($fp_source, $oldChunkInfo['.RMF']['offset']);
fwrite($fp_source, $new__RMF_tag_data);
} else {
$this->errors[] = 'new .RMF tag ('.strlen($new__RMF_tag_data).' bytes) different length than old .RMF tag ('.$oldChunkInfo['.RMF']['length'].' bytes)';
fclose($fp_source);
return false;
}
if (isset($oldChunkInfo['PROP']['length']) && ($oldChunkInfo['PROP']['length'] == strlen($new_PROP_tag_data))) {
fseek($fp_source, $oldChunkInfo['PROP']['offset']);
fwrite($fp_source, $new_PROP_tag_data);
} else {
$this->errors[] = 'new PROP tag ('.strlen($new_PROP_tag_data).' bytes) different length than old PROP tag ('.$oldChunkInfo['PROP']['length'].' bytes)';
fclose($fp_source);
return false;
}
if (isset($oldChunkInfo['CONT']['length']) && ($oldChunkInfo['CONT']['length'] == strlen($new_CONT_tag_data))) {
// new data length is same as old data length - just overwrite
fseek($fp_source, $oldChunkInfo['CONT']['offset']);
fwrite($fp_source, $new_CONT_tag_data);
fclose($fp_source);
return true;
} else {
if (empty($oldChunkInfo['CONT'])) {
// no existing CONT chunk
$BeforeOffset = $oldChunkInfo['DATA']['offset'];
$AfterOffset = $oldChunkInfo['DATA']['offset'];
} else {
// new data is longer than old data
$BeforeOffset = $oldChunkInfo['CONT']['offset'];
$AfterOffset = $oldChunkInfo['CONT']['offset'] + $oldChunkInfo['CONT']['length'];
}
if ($tempfilename = tempnam(GETID3_TEMP_DIR, 'getID3')) {
if (getID3::is_writable($tempfilename) && is_file($tempfilename) && ($fp_temp = fopen($tempfilename, 'wb'))) {
rewind($fp_source);
fwrite($fp_temp, fread($fp_source, $BeforeOffset));
fwrite($fp_temp, $new_CONT_tag_data);
fseek($fp_source, $AfterOffset);
while ($buffer = fread($fp_source, $this->fread_buffer_size)) {
fwrite($fp_temp, $buffer, strlen($buffer));
}
fclose($fp_temp);
if (copy($tempfilename, $this->filename)) {
unlink($tempfilename);
fclose($fp_source);
return true;
}
unlink($tempfilename);
$this->errors[] = 'FAILED: copy('.$tempfilename.', '.$this->filename.')';
} else {
$this->errors[] = 'Could not fopen("'.$tempfilename.'", "wb")';
}
}
fclose($fp_source);
return false;
}
}
$this->errors[] = 'Could not fopen("'.$this->filename.'", "r+b")';
return false;
}
/**
* @param array $chunks
*
* @return string
*/
public function GenerateRMFchunk(&$chunks) {
$oldCONTexists = false;
$chunkNameKeys = array();
foreach ($chunks as $key => $chunk) {
$chunkNameKeys[$chunk['name']] = $key;
if ($chunk['name'] == 'CONT') {
$oldCONTexists = true;
}
}
$newHeadersCount = $chunks[$chunkNameKeys['.RMF']]['headers_count'] + ($oldCONTexists ? 0 : 1);
$RMFchunk = "\x00\x00"; // object version
$RMFchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['.RMF']]['file_version'], 4);
$RMFchunk .= getid3_lib::BigEndian2String($newHeadersCount, 4);
$RMFchunk = '.RMF'.getid3_lib::BigEndian2String(strlen($RMFchunk) + 8, 4).$RMFchunk; // .RMF chunk identifier + chunk length
return $RMFchunk;
}
/**
* @param array $chunks
* @param string $new_CONT_tag_data
*
* @return string
*/
public function GeneratePROPchunk(&$chunks, &$new_CONT_tag_data) {
$old_CONT_length = 0;
$old_DATA_offset = 0;
$old_INDX_offset = 0;
$chunkNameKeys = array();
foreach ($chunks as $key => $chunk) {
$chunkNameKeys[$chunk['name']] = $key;
if ($chunk['name'] == 'CONT') {
$old_CONT_length = $chunk['length'];
} elseif ($chunk['name'] == 'DATA') {
if (!$old_DATA_offset) {
$old_DATA_offset = $chunk['offset'];
}
} elseif ($chunk['name'] == 'INDX') {
if (!$old_INDX_offset) {
$old_INDX_offset = $chunk['offset'];
}
}
}
$CONTdelta = strlen($new_CONT_tag_data) - $old_CONT_length;
$PROPchunk = "\x00\x00"; // object version
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['max_bit_rate'], 4);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['avg_bit_rate'], 4);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['max_packet_size'], 4);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['avg_packet_size'], 4);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['num_packets'], 4);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['duration'], 4);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['preroll'], 4);
$PROPchunk .= getid3_lib::BigEndian2String(max(0, $old_INDX_offset + $CONTdelta), 4);
$PROPchunk .= getid3_lib::BigEndian2String(max(0, $old_DATA_offset + $CONTdelta), 4);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['num_streams'], 2);
$PROPchunk .= getid3_lib::BigEndian2String($chunks[$chunkNameKeys['PROP']]['flags_raw'], 2);
$PROPchunk = 'PROP'.getid3_lib::BigEndian2String(strlen($PROPchunk) + 8, 4).$PROPchunk; // PROP chunk identifier + chunk length
return $PROPchunk;
}
/**
* @return string
*/
public function GenerateCONTchunk() {
foreach ($this->tag_data as $key => $value) {
// limit each value to 0xFFFF bytes
$this->tag_data[$key] = substr($value, 0, 65535);
}
$CONTchunk = "\x00\x00"; // object version
$CONTchunk .= getid3_lib::BigEndian2String((!empty($this->tag_data['title']) ? strlen($this->tag_data['title']) : 0), 2);
$CONTchunk .= (!empty($this->tag_data['title']) ? strlen($this->tag_data['title']) : '');
$CONTchunk .= getid3_lib::BigEndian2String((!empty($this->tag_data['artist']) ? strlen($this->tag_data['artist']) : 0), 2);
$CONTchunk .= (!empty($this->tag_data['artist']) ? strlen($this->tag_data['artist']) : '');
$CONTchunk .= getid3_lib::BigEndian2String((!empty($this->tag_data['copyright']) ? strlen($this->tag_data['copyright']) : 0), 2);
$CONTchunk .= (!empty($this->tag_data['copyright']) ? strlen($this->tag_data['copyright']) : '');
$CONTchunk .= getid3_lib::BigEndian2String((!empty($this->tag_data['comment']) ? strlen($this->tag_data['comment']) : 0), 2);
$CONTchunk .= (!empty($this->tag_data['comment']) ? strlen($this->tag_data['comment']) : '');
if ($this->paddedlength > (strlen($CONTchunk) + 8)) {
$CONTchunk .= str_repeat("\x00", $this->paddedlength - strlen($CONTchunk) - 8);
}
$CONTchunk = 'CONT'.getid3_lib::BigEndian2String(strlen($CONTchunk) + 8, 4).$CONTchunk; // CONT chunk identifier + chunk length
return $CONTchunk;
}
/**
* @return bool
*/
public function RemoveReal() {
// File MUST be writeable - CHMOD(646) at least
if (getID3::is_writable($this->filename) && is_file($this->filename) && ($fp_source = fopen($this->filename, 'r+b'))) {
// Initialize getID3 engine
$getID3 = new getID3;
$OldThisFileInfo = $getID3->analyze($this->filename);
if (empty($OldThisFileInfo['real']['chunks']) && !empty($OldThisFileInfo['real']['old_ra_header'])) {
$this->errors[] = 'Cannot remove Real tags from old-style file format';
fclose($fp_source);
return false;
}
if (empty($OldThisFileInfo['real']['chunks'])) {
$this->errors[] = 'Cannot remove Real tags because cannot find DATA chunk in file';
fclose($fp_source);
return false;
}
$oldChunkInfo = array();
foreach ($OldThisFileInfo['real']['chunks'] as $chunknumber => $chunkarray) {
$oldChunkInfo[$chunkarray['name']] = $chunkarray;
}
if (empty($oldChunkInfo['CONT'])) {
// no existing CONT chunk
fclose($fp_source);
return true;
}
$BeforeOffset = $oldChunkInfo['CONT']['offset'];
$AfterOffset = $oldChunkInfo['CONT']['offset'] + $oldChunkInfo['CONT']['length'];
if ($tempfilename = tempnam(GETID3_TEMP_DIR, 'getID3')) {
if (getID3::is_writable($tempfilename) && is_file($tempfilename) && ($fp_temp = fopen($tempfilename, 'wb'))) {
rewind($fp_source);
fwrite($fp_temp, fread($fp_source, $BeforeOffset));
fseek($fp_source, $AfterOffset);
while ($buffer = fread($fp_source, $this->fread_buffer_size)) {
fwrite($fp_temp, $buffer, strlen($buffer));
}
fclose($fp_temp);
if (copy($tempfilename, $this->filename)) {
unlink($tempfilename);
fclose($fp_source);
return true;
}
unlink($tempfilename);
$this->errors[] = 'FAILED: copy('.$tempfilename.', '.$this->filename.')';
} else {
$this->errors[] = 'Could not fopen("'.$tempfilename.'", "wb")';
}
}
fclose($fp_source);
return false;
}
$this->errors[] = 'Could not fopen("'.$this->filename.'", "r+b")';
return false;
}
}

View File

@ -0,0 +1,149 @@
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
/////////////////////////////////////////////////////////////////
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// write.vorbiscomment.php //
// module for writing VorbisComment tags //
// dependencies: /helperapps/vorbiscomment.exe //
// ///
/////////////////////////////////////////////////////////////////
class getid3_write_vorbiscomment
{
/**
* @var string
*/
public $filename;
/**
* @var array
*/
public $tag_data;
/**
* Any non-critical errors will be stored here.
*
* @var array
*/
public $warnings = array();
/**
* Any critical errors will be stored here.
*
* @var array
*/
public $errors = array();
public function __construct() {
}
/**
* @return bool
*/
public function WriteVorbisComment() {
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call vorbiscomment, tags not written';
return false;
}
// Create file with new comments
$tempcommentsfilename = tempnam(GETID3_TEMP_DIR, 'getID3');
if (getID3::is_writable($tempcommentsfilename) && is_file($tempcommentsfilename) && ($fpcomments = fopen($tempcommentsfilename, 'wb'))) {
foreach ($this->tag_data as $key => $value) {
foreach ($value as $commentdata) {
fwrite($fpcomments, $this->CleanVorbisCommentName($key).'='.$commentdata."\n");
}
}
fclose($fpcomments);
} else {
$this->errors[] = 'failed to open temporary tags file "'.$tempcommentsfilename.'", tags not written';
return false;
}
$oldignoreuserabort = ignore_user_abort(true);
if (GETID3_OS_ISWINDOWS) {
if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) {
//$commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w --raw -c "'.$tempcommentsfilename.'" "'.str_replace('/', '\\', $this->filename).'"';
// vorbiscomment works fine if you copy-paste the above commandline into a command prompt,
// but refuses to work with `backtick` if there are "doublequotes" present around BOTH
// the metaflac pathname and the target filename. For whatever reason...??
// The solution is simply ensure that the metaflac pathname has no spaces,
// and therefore does not need to be quoted
// On top of that, if error messages are not always captured properly under Windows
// To at least see if there was a problem, compare file modification timestamps before and after writing
clearstatcache(true, $this->filename);
$timestampbeforewriting = filemtime($this->filename);
$commandline = GETID3_HELPERAPPSDIR.'vorbiscomment.exe -w --raw -c "'.$tempcommentsfilename.'" "'.$this->filename.'" 2>&1';
$VorbiscommentError = `$commandline`;
if (empty($VorbiscommentError)) {
clearstatcache(true, $this->filename);
if ($timestampbeforewriting == filemtime($this->filename)) {
$VorbiscommentError = 'File modification timestamp has not changed - it looks like the tags were not written';
}
}
} else {
$VorbiscommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR;
}
} else {
$commandline = 'vorbiscomment -w --raw -c "'.$tempcommentsfilename.'" "'.$this->filename.'" 2>&1';
$VorbiscommentError = `$commandline`;
}
// Remove temporary comments file
unlink($tempcommentsfilename);
ignore_user_abort($oldignoreuserabort);
if (!empty($VorbiscommentError)) {
$this->errors[] = 'system call to vorbiscomment failed with message: '."\n\n".$VorbiscommentError;
return false;
}
return true;
}
/**
* @return bool
*/
public function DeleteVorbisComment() {
$this->tag_data = array(array());
return $this->WriteVorbisComment();
}
/**
* @param string $originalcommentname
*
* @return string
*/
public function CleanVorbisCommentName($originalcommentname) {
// A case-insensitive field name that may consist of ASCII 0x20 through 0x7D, 0x3D ('=') excluded.
// ASCII 0x41 through 0x5A inclusive (A-Z) is to be considered equivalent to ASCII 0x61 through
// 0x7A inclusive (a-z).
// replace invalid chars with a space, return uppercase text
// Thanks Chris Bolt <chris-getid3Øbolt*cx> for improving this function
// note: *reg_replace() replaces nulls with empty string (not space)
return strtoupper(preg_replace('#[^ -<>-}]#', ' ', str_replace("\x00", ' ', $originalcommentname)));
}
}

View File

@ -0,0 +1,89 @@
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
<xsl:template match="/">
<html>
<head>
<title><xsl:value-of select="rss/channel/title"/></title>
<style>
body {
font-family: Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
padding: 20px;
line-height: 1.6;
background: #70685d;
}
.header {
text-align: center;
margin-bottom: 40px;
}
.podcast-image {
max-width: 300px;
margin: 20px 0;
}
.episode {
border: 1px solid #ddd;
margin: 20px 0;
padding: 20px;
border-radius: 5px;
}
.episode-title {
color: #333;
font-size: 1.2em;
margin: 0 0 10px 0;
}
.episode-meta {
color: #fff;
font-size: 0.9em;
}
.play-button {
display: inline-block;
background:rgb(20, 83, 46);
color: white;
padding: 5px 15px;
border-radius: 3px;
text-decoration: none;
margin-top: 10px;
}
.play-button:hover {
background:rgb(36, 179, 0);
}
</style>
</head>
<body>
<div class="header">
<h1><xsl:value-of select="rss/channel/title"/></h1>
<img class="podcast-image">
<xsl:attribute name="src">
<xsl:value-of select="rss/channel/itunes:image/@href"/>
</xsl:attribute>
<xsl:attribute name="alt">
<xsl:value-of select="rss/channel/title"/>
</xsl:attribute>
</img>
<p><xsl:value-of select="rss/channel/description"/></p>
<p>Par <xsl:value-of select="rss/channel/itunes:author"/></p>
</div>
<div class="episodes">
<xsl:for-each select="rss/channel/item">
<div class="episode">
<h2 class="episode-title"><xsl:value-of select="title"/></h2>
<div class="episode-meta">
<p>Durée : <xsl:value-of select="itunes:duration"/></p>
<p>Date de publication : <xsl:value-of select="pubDate"/></p>
</div>
<p><xsl:value-of select="description"/></p>
<a class="play-button">
<xsl:attribute name="href">
<xsl:value-of select="enclosure/@url"/>
</xsl:attribute>
Écouter l'épisode
</a>
</div>
</xsl:for-each>
</div>
</body>
</html>
</xsl:template>
</xsl:stylesheet>

View File

@ -0,0 +1,170 @@
<?php
// Inclusion de la bibliothèque getID3
require_once('getid3/getid3.php');
// Configuration du podcast
$config = [
'title' => 'Divan dit vent',
'description' => 'Installez-vous confortablement et laissez-vous emporter par les discussions animées du Divan dit vent. Le podcast audio de l\'association Camélia Studio vous invite à explorer les mondes fantastiques de la japanimation et bien plus encore. Plongez dans des critiques passionnées des dernières séries et films d\'animation, tout en découvrant des interviews exclusives avec des experts et des passionnés des différentes facettes de la culture. Avec chaque épisode, embarquez pour un voyage au pays de la créativité et de l\'imagination, où les voix des artistes et des fans se mêlent pour créer une symphonie culturelle captivante.',
'website' => 'https://camelia-studio.org/branches/divan-dit-vent/',
'author' => 'Camélia Studio',
'email' => 'contact.c.a@camelia-studio.org',
'category' => 'Animation & Interviews',
'copyright' => date('Y'),
'language' => 'fr-fr',
'image_url' => 'https://camelia-studio.org/branches/divan-dit-vent/img/logo.png',
'mp3_directory' => '/var/www/camelia-studio.org/branches/divan-dit-vent/mp3/',
'mp3_web_path' => 'https://camelia-studio.org/branches/divan-dit-vent/mp3/'
];
// Entêtes pour le XML
header('Content-Type: application/xml; charset=utf-8');
// Fonction pour obtenir les métadonnées d'un fichier MP3
function getMp3Metadata($file) {
$getID3 = new getID3();
$fileInfo = $getID3->analyze($file);
getid3_lib::CopyTagsToComments($fileInfo);
$metadata = [
'title' => '',
'artist' => '',
'album' => '',
'duration' => '',
'description' => ''
];
// Récupération du titre
if (!empty($fileInfo['comments']['title'][0])) {
$metadata['title'] = $fileInfo['comments']['title'][0];
} else {
// Utiliser le nom du fichier si pas de titre
$metadata['title'] = pathinfo($file, PATHINFO_FILENAME);
}
// Récupération de l'artiste
if (!empty($fileInfo['comments']['artist'][0])) {
$metadata['artist'] = $fileInfo['comments']['artist'][0];
}
// Récupération de la description depuis le commentaire
if (!empty($fileInfo['comments']['comment'][0])) {
$metadata['description'] = $fileInfo['comments']['comment'][0];
}
// Formatage de la durée
if (!empty($fileInfo['playtime_seconds'])) {
$duration = $fileInfo['playtime_seconds'];
$metadata['duration'] = sprintf('%02d:%02d:%02d',
($duration/3600),
($duration/60%60),
$duration%60
);
}
return $metadata;
}
// Ancienne fonction pour la compatibilité si getID3 n'est pas disponible
function getMp3Duration($file) {
$mp3file = fopen($file, "rb");
$block = fread($mp3file, 100);
$mp3info = array();
if (substr($block, 0, 3) == "ID3") {
// Fichier avec ID3v2
fseek($mp3file, 6);
$block = fread($mp3file, 4);
$header_size = unpack('N', $block);
fseek($mp3file, $header_size[1] + 10);
}
do {
$block = fread($mp3file, 10);
if (feof($mp3file)) break;
if (substr($block, 0, 1) == chr(255)) {
$byte = ord(substr($block, 1, 1));
if ($byte >= 224) {
$mp3info['version'] = ($byte & 24) >> 3;
$mp3info['layer'] = ($byte & 6) >> 1;
$mp3info['bitrate'] = ord(substr($block, 2, 1)) >> 4;
$mp3info['sampling_rate'] = (ord(substr($block, 2, 1)) & 15) >> 2;
break;
}
}
} while (true);
fclose($mp3file);
// Calcul approximatif de la durée
$duration = (filesize($file) * 8) / (($mp3info['bitrate'] + 1) * 1000);
return sprintf('%02d:%02d:%02d', ($duration/3600), ($duration/60%60), $duration%60);
}
// Création du XML
echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
echo '<?xml-stylesheet type="text/xml" href="podcast.xml"?>' . "\n";
?>
<rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
<channel>
<title><?php echo htmlspecialchars($config['title']); ?></title>
<description><?php echo htmlspecialchars($config['description']); ?></description>
<link><?php echo htmlspecialchars($config['website']); ?></link>
<language><?php echo htmlspecialchars($config['language']); ?></language>
<copyright>Copyright <?php echo htmlspecialchars($config['copyright']); ?></copyright>
<itunes:subtitle><?php echo htmlspecialchars($config['description']); ?></itunes:subtitle>
<itunes:author><?php echo htmlspecialchars($config['author']); ?></itunes:author>
<itunes:summary><?php echo htmlspecialchars($config['description']); ?></itunes:summary>
<itunes:owner>
<itunes:name><?php echo htmlspecialchars($config['author']); ?></itunes:name>
<itunes:email><?php echo htmlspecialchars($config['email']); ?></itunes:email>
</itunes:owner>
<itunes:image href="<?php echo htmlspecialchars($config['image_url']); ?>"/>
<itunes:category text="<?php echo htmlspecialchars($config['category']); ?>"/>
<?php
// Scan du dossier MP3
$mp3_files = glob($config['mp3_directory'] . '*.mp3');
usort($mp3_files, function($a, $b) {
return filemtime($b) - filemtime($a);
});
foreach ($mp3_files as $mp3_file) {
$filename = basename($mp3_file);
$file_url = $config['mp3_web_path'] . rawurlencode($filename);
$file_size = filesize($mp3_file);
// Récupération des métadonnées
try {
$metadata = getMp3Metadata($mp3_file);
$title = $metadata['title'];
$duration = $metadata['duration'];
$description = $metadata['description'];
} catch (Exception $e) {
// Fallback si getID3 n'est pas disponible
$title = pathinfo($filename, PATHINFO_FILENAME);
$duration = getMp3Duration($mp3_file);
$description = "Épisode : " . $title;
}
$pub_date = date('r', filemtime($mp3_file));
?>
<item>
<title><?php echo htmlspecialchars($title); ?></title>
<description>Épisode : <?php echo htmlspecialchars($title); ?></description>
<pubDate><?php echo $pub_date; ?></pubDate>
<enclosure
url="<?php echo htmlspecialchars($file_url); ?>"
length="<?php echo $file_size; ?>"
type="audio/mpeg"/>
<guid><?php echo htmlspecialchars($file_url); ?></guid>
<itunes:duration><?php echo $duration; ?></itunes:duration>
<itunes:summary>Épisode : <?php echo htmlspecialchars($title); ?></itunes:summary>
</item>
<?php } ?>
</channel>
</rss>