dom/webidl/AudioContext.webidl

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TOR_BUG_9701
changeset 15
b8a032363ba2
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-1:000000000000 0:f0ef1aeef428
1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
4 * You can obtain one at http://mozilla.org/MPL/2.0/.
5 *
6 * The origin of this IDL file is
7 * https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html
8 *
9 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
10 * liability, trademark and document use rules apply.
11 */
12
13 callback DecodeSuccessCallback = void (AudioBuffer decodedData);
14 callback DecodeErrorCallback = void ();
15
16 [Constructor,
17 Constructor(AudioChannel audioChannelType)]
18 interface AudioContext : EventTarget {
19
20 readonly attribute AudioDestinationNode destination;
21 readonly attribute float sampleRate;
22 readonly attribute double currentTime;
23 readonly attribute AudioListener listener;
24
25 [NewObject, Throws]
26 AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
27
28 void decodeAudioData(ArrayBuffer audioData,
29 DecodeSuccessCallback successCallback,
30 optional DecodeErrorCallback errorCallback);
31
32 // AudioNode creation
33 [NewObject]
34 AudioBufferSourceNode createBufferSource();
35
36 [NewObject, Throws]
37 MediaStreamAudioDestinationNode createMediaStreamDestination();
38
39 [NewObject, Throws]
40 ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
41 optional unsigned long numberOfInputChannels = 2,
42 optional unsigned long numberOfOutputChannels = 2);
43
44 [NewObject]
45 AnalyserNode createAnalyser();
46 [NewObject, Throws]
47 MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
48 [NewObject, Throws]
49 MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
50 [NewObject]
51 GainNode createGain();
52 [NewObject, Throws]
53 DelayNode createDelay(optional double maxDelayTime = 1);
54 [NewObject]
55 BiquadFilterNode createBiquadFilter();
56 [NewObject]
57 WaveShaperNode createWaveShaper();
58 [NewObject]
59 PannerNode createPanner();
60 [NewObject]
61 ConvolverNode createConvolver();
62
63 [NewObject, Throws]
64 ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
65 [NewObject, Throws]
66 ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
67
68 [NewObject]
69 DynamicsCompressorNode createDynamicsCompressor();
70
71 [NewObject]
72 OscillatorNode createOscillator();
73 [NewObject, Throws]
74 PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
75
76 };
77
78 // Mozilla extensions
79 partial interface AudioContext {
80 // Read AudioChannel.webidl for more information about this attribute.
81 [Pref="media.useAudioChannelService", SetterThrows]
82 attribute AudioChannel mozAudioChannelType;
83 };

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