Tone.js/Tone/shim/AudioBuffer.js
2017-10-25 23:01:26 -04:00

26 lines
660 B
JavaScript

define(["Tone/core/Tone"], function(Tone){
/**
* AudioBuffer.copyTo/FromChannel polyfill
* @private
*/
if (Tone.supported){
if(!AudioBuffer.prototype.copyToChannel){
AudioBuffer.prototype.copyToChannel = function(src, chanNum, start){
var channel = this.getChannelData(chanNum);
start = start || 0;
for (var i = 0; i < channel.length; i++){
channel[i+start] = src[i];
}
};
AudioBuffer.prototype.copyFromChannel = function(dest, chanNum, start){
var channel = this.getChannelData(chanNum);
start = start || 0;
for (var i = 0; i < dest.length; i++){
dest[i] = channel[i+start];
}
};
}
}
});