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Sound.js module

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This commit is contained in:
Tim Mickel 2016-01-13 16:46:29 -05:00
parent 184a899061
commit 2fa0f3bed4
2 changed files with 76 additions and 68 deletions
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2
src/utils/ScratchAudio.js
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@ -1,4 +1,6 @@
import {isAndroid} from './lib';
import {Sound} from './Sound';
import {iOS} from '../iPad/iOS';
////////////////////////////////////////////////////
/// Sound Playing

142
src/utils/Sound.js
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@ -1,77 +1,83 @@
var Sound = function (buffer) {
if (isAndroid) {
this.url = buffer;
this.soundPlayId = null;
} else {
this.buffer = buffer;
this.source = null;
}
};
import {isAndroid} from './lib';
import {context} from './ScratchAudio';
Sound.prototype.play = function () {
if (isAndroid) {
if (this.soundPlayId) {
this.stop();
export default class Sound {
constructor (buffer) {
if (isAndroid) {
this.url = buffer;
this.soundPlayId = null;
} else {
this.buffer = buffer;
this.source = null;
}
this.soundPlayId = AndroidInterface.audio_play(this.url, 1.0);
} else {
if (this.source) {
this.stop();
}
this.source = ScratchAudio.context.createBufferSource();
this.source.buffer = this.buffer;
this.source.connect(ScratchAudio.context.destination);
this.source.noteOn(0);
}
};
Sound.prototype.playWithVolume = function (n) {
if (isAndroid) {
if (this.soundPlayId) {
this.stop();
play () {
if (isAndroid) {
if (this.soundPlayId) {
this.stop();
}
this.soundPlayId = AndroidInterface.audio_play(this.url, 1.0);
} else {
if (this.source) {
this.stop();
}
this.source = context.createBufferSource();
this.source.buffer = this.buffer;
this.source.connect(context.destination);
this.source.noteOn(0);
}
}
if (n > 0) {
// This method is not currently called with any value other than 0. If 0, don't play the sound.
this.soundPlayId = AndroidInterface.audio_play(this.url, n);
}
} else {
if (this.source) {
this.stop();
}
this.gainNode = ScratchAudio.context.createGainNode();
this.source = ScratchAudio.context.createBufferSource();
this.source.buffer = this.buffer;
this.source.connect(this.gainNode);
this.gainNode.connect(ScratchAudio.context.destination);
this.source.noteOn(0);
this.gainNode.gain.value = n;
}
};
playWithVolume (n) {
if (isAndroid) {
if (this.soundPlayId) {
this.stop();
}
Sound.prototype.done = function () {
if (isAndroid) {
return (this.soundPlayId == null) || !AndroidInterface.audio_isplaying(this.soundPlayId);
} else {
return (this.source == null) || (this.source.playbackState == 3);
}
};
Sound.prototype.clear = function () {
if (isAndroid) {
this.soundPlayId = null;
} else {
this.source = null;
}
};
Sound.prototype.stop = function () {
if (isAndroid) {
if (this.soundPlayId) {
AndroidInterface.audio_stop(this.soundPlayId);
if (n > 0) {
// This method is not currently called with any value other than 0. If 0, don't play the sound.
this.soundPlayId = AndroidInterface.audio_play(this.url, n);
}
} else {
if (this.source) {
this.stop();
}
this.gainNode = context.createGainNode();
this.source = context.createBufferSource();
this.source.buffer = this.buffer;
this.source.connect(this.gainNode);
this.gainNode.connect(context.destination);
this.source.noteOn(0);
this.gainNode.gain.value = n;
}
this.soundPlayId = null;
} else {
this.source.noteOff(0);
this.source = null;
}
};
done () {
if (isAndroid) {
return (this.soundPlayId == null) || !AndroidInterface.audio_isplaying(this.soundPlayId);
} else {
return (this.source == null) || (this.source.playbackState == 3);
}
}
clear () {
if (isAndroid) {
this.soundPlayId = null;
} else {
this.source = null;
}
}
stop () {
if (isAndroid) {
if (this.soundPlayId) {
AndroidInterface.audio_stop(this.soundPlayId);
}
this.soundPlayId = null;
} else {
this.source.noteOff(0);
this.source = null;
}
}
}