Xefir/audio-mixer
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

dont fill up our input buffers too much/too fast

Browse Source
This commit is contained in:
alfred 2013-12-31 10:18:59 +00:00
parent 126266e4d9
commit 362a00c967
1 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
lib/input.js
View File

@ -35,6 +35,8 @@ function Input(args) {
this.channels = args.channels;
this.bitDepth = args.bitDepth;
this.sampleRate = args.sampleRate;
this.getMoreData = null;
}
util.inherits(Input, Writable);
@ -44,6 +46,13 @@ Input.prototype.read = function (samples) {
if (this.buffer.length < bytes) bytes = this.buffer.length;
var r = this.buffer.slice(0, bytes);
this.buffer = this.buffer.slice(bytes);
if (this.buffer.length <= 131072 && this.getMoreData !== null) {
var getMoreData = this.getMoreData;
this.getMoreData = null;
process.nextTick(getMoreData);
}
return r;
}
@ -85,6 +94,12 @@ Input.prototype._write = function (chunk, encoding, next) {
}
*/
this.buffer = Buffer.concat([this.buffer, chunk]);
if (this.buffer.length > 131072) {
this.getMoreData = next;
} else {
next();
}
}