// Copyright (c) 2016 The Regents of the University of California.
// All rights reserved.
// Permission is hereby granted, without written agreement and without
// license or royalty fees, to use, copy, modify, and distribute this
// software and its documentation for any purpose, provided that the above
// copyright notice and the following two paragraphs appear in all copies
// of this software.
// IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.
// THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
// ENHANCEMENTS, OR MODIFICATIONS.
/**
* @accessor audioIo/AudioIoPlay
* @author Ilya Y. Rostovtsev
* @version $$Id$$
*/
// Stop extra messages from jslint. Note that there should be no
// space between the / and the * and global.
/*global console, exports, require */
/*jshint globalstrict: true */
"use strict";
var audio, blockSize, channels, signalInputHander, signalJsonInputHandler;
audio = require('audio-io');
signalInputHander = null;
signalJsonInputHandler = null;
channels = null;
blockSize = null;
exports.playArray = function () {
var audioVector;
audioVector = this.get('signal');
console.log("Audio Play (array), channels: " + channels + ", data size : " + audioVector.length);
audio.play(channels, audioVector);
};
exports.playJSON = function (audioJSON) {
audioJSON = this.get('signalJSON');
console.log("Audio Play (JSON), channels: " + audioJSON.channels + ", data size : " + audioJSON.data.length);
audio.play(audioJSON.channels, audioJSON.data);
};
exports.setup = function () {
this.parameter('numOutputChannels', {
type: 'number',
value: 1
});
this.parameter('samplingRate', {
type: 'number',
value: 44100
});
this.parameter('blockSize', {
type: 'number',
value: 512
});
this.input('signal');
this.input('signalJSON', {
type: 'json'
});
};
exports.initialize = function () {
console.log("Audio Play Initialize... Initializing...");
console.log("Number Output Channels : " + this.getParameter('numOutputChannels'));
console.log("Sampling Rate : " + this.getParameter('samplingRate'));
console.log("Block Size : " + this.getParameter('blockSize'));
channels = this.getParameter('numOutputChannels');
blockSize = this.getParameter('blockSize');
audio.initialize(0, channels, this.getParameter('samplingRate'), blockSize);
signalInputHander = this.addInputHandler('signal', this.exports.playArray.bind(this));
signalJsonInputHandler = this.addInputHandler('signalJSON', this.exports.playJSON.bind(this));
};
exports.wrapup = function () {
audio.wrapup();
this.removeInputHandler('signal', signalInputHander);
this.removeInputHandler('signalJSON', signalJsonInputHandler);
};