Tone.js/Tone/effect/MidSideEffect.js
tambien ed71d8141b amd to es6 import/export
no longer using AMD (require.js) style imports, and beginning to move to es6 "import/export" statements everywhere.
2019-01-27 13:05:20 -05:00

90 lines
2.1 KiB
JavaScript

import Tone from "../core/Tone";
import "../effect/Effect";
import "../component/MidSideSplit";
import "../component/MidSideMerge";
/**
* @class Mid/Side processing separates the the 'mid' signal
* (which comes out of both the left and the right channel)
* and the 'side' (which only comes out of the the side channels)
* and effects them separately before being recombined.
* Applies a Mid/Side seperation and recombination.
* Algorithm found in [kvraudio forums](http://www.kvraudio.com/forum/viewtopic.php?t=212587).
* <br><br>
* This is a base-class for Mid/Side Effects.
*
* @extends {Tone.Effect}
* @constructor
*/
Tone.MidSideEffect = function(){
Tone.Effect.apply(this, arguments);
/**
* The mid/side split
* @type {Tone.MidSideSplit}
* @private
*/
this._midSideSplit = new Tone.MidSideSplit();
/**
* The mid/side merge
* @type {Tone.MidSideMerge}
* @private
*/
this._midSideMerge = new Tone.MidSideMerge();
/**
* The mid send. Connect to mid processing
* @type {Tone}
* @private
*/
this.midSend = this._midSideSplit.mid;
/**
* The side send. Connect to side processing
* @type {Tone}
* @private
*/
this.sideSend = this._midSideSplit.side;
/**
* The mid return connection
* @type {GainNode}
* @private
*/
this.midReturn = this._midSideMerge.mid;
/**
* The side return connection
* @type {GainNode}
* @private
*/
this.sideReturn = this._midSideMerge.side;
//the connections
this.effectSend.connect(this._midSideSplit);
this._midSideMerge.connect(this.effectReturn);
};
Tone.extend(Tone.MidSideEffect, Tone.Effect);
/**
* Clean up.
* @returns {Tone.MidSideEffect} this
*/
Tone.MidSideEffect.prototype.dispose = function(){
Tone.Effect.prototype.dispose.call(this);
this._midSideSplit.dispose();
this._midSideSplit = null;
this._midSideMerge.dispose();
this._midSideMerge = null;
this.midSend = null;
this.sideSend = null;
this.midReturn = null;
this.sideReturn = null;
return this;
};
export default Tone.MidSideEffect;