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