Tone.js/Tone/component/channel/Split.js
2019-05-23 14:00:49 -04:00

71 lines
1.5 KiB
JavaScript

import Tone from "../core/Tone";
import "../core/Gain";
import "../core/AudioNode";
/**
* @class Tone.Split splits an incoming signal into left and right channels.
*
* @constructor
* @extends {Tone.AudioNode}
* @param {number} [channels=2] The number of channels to merge.
* @example
* var split = new Tone.Split();
* stereoSignal.connect(split);
*/
Tone.Split = function(channels){
//defaults to 2 channels
channels = Tone.defaultArg(channels, 2);
Tone.AudioNode.call(this);
this.createInsOuts(0, channels);
/**
* @type {ChannelSplitterNode}
* @private
*/
this._splitter = this.input = this.context.createChannelSplitter(channels);
//connections
for (var i = 0; i < channels; i++){
this.output[i] = new Tone.Gain();
Tone.connect(this._splitter, this.output[i], i, 0);
this.output[i].channelCount = 1;
this.output[i].channelCountMode = "explicit";
}
/**
* Left channel output.
* Alias for <code>output[0]</code>
* @type {Tone.Gain}
*/
this.left = this.output[0];
/**
* Right channel output.
* Alias for <code>output[1]</code>
* @type {Tone.Gain}
*/
this.right = this.output[1];
};
Tone.extend(Tone.Split, Tone.AudioNode);
/**
* Clean up.
* @returns {Tone.Split} this
*/
Tone.Split.prototype.dispose = function(){
this.output.forEach(function(output){
output.dispose();
});
Tone.AudioNode.prototype.dispose.call(this);
this._splitter.disconnect();
this.left = null;
this.right = null;
this._splitter = null;
return this;
};
export default Tone.Split;