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c6f415d397
This is going to be needed for us to be able to turn the AudioChannelService on for desktop without exposing the Firefox OS specific APIs.
113 lines
3.9 KiB
Plaintext
113 lines
3.9 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* The origin of this IDL file is
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* https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html
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*
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* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
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* liability, trademark and document use rules apply.
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*/
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callback DecodeSuccessCallback = void (AudioBuffer decodedData);
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callback DecodeErrorCallback = void ();
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enum AudioContextState {
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"suspended",
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"running",
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"closed"
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};
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[Constructor,
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Constructor(AudioChannel audioChannelType)]
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interface AudioContext : EventTarget {
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readonly attribute AudioDestinationNode destination;
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readonly attribute float sampleRate;
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readonly attribute double currentTime;
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readonly attribute AudioListener listener;
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readonly attribute AudioContextState state;
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[Throws]
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Promise<void> suspend();
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[Throws]
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Promise<void> resume();
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[Throws]
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Promise<void> close();
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attribute EventHandler onstatechange;
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[NewObject, Throws]
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AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
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[Throws]
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Promise<AudioBuffer> decodeAudioData(ArrayBuffer audioData,
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optional DecodeSuccessCallback successCallback,
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optional DecodeErrorCallback errorCallback);
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// AudioNode creation
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[NewObject, Throws]
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AudioBufferSourceNode createBufferSource();
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[NewObject, Throws]
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MediaStreamAudioDestinationNode createMediaStreamDestination();
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[NewObject, Throws]
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ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
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optional unsigned long numberOfInputChannels = 2,
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optional unsigned long numberOfOutputChannels = 2);
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[NewObject, Throws]
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StereoPannerNode createStereoPanner();
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[NewObject, Throws]
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AnalyserNode createAnalyser();
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[NewObject, Throws, UnsafeInPrerendering]
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MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
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[NewObject, Throws, UnsafeInPrerendering]
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MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
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[NewObject, Throws]
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GainNode createGain();
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[NewObject, Throws]
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DelayNode createDelay(optional double maxDelayTime = 1);
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[NewObject, Throws]
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BiquadFilterNode createBiquadFilter();
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[NewObject, Throws]
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WaveShaperNode createWaveShaper();
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[NewObject, Throws]
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PannerNode createPanner();
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[NewObject, Throws]
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ConvolverNode createConvolver();
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[NewObject, Throws]
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ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
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[NewObject, Throws]
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ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
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[NewObject, Throws]
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DynamicsCompressorNode createDynamicsCompressor();
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[NewObject, Throws]
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OscillatorNode createOscillator();
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[NewObject, Throws]
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PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
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};
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// Mozilla extensions
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partial interface AudioContext {
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// Read AudioChannel.webidl for more information about this attribute.
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[Pref="media.useAudioChannelAPI"]
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readonly attribute AudioChannel mozAudioChannelType;
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// These 2 events are dispatched when the AudioContext object is muted by
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// the AudioChannelService. It's call 'interrupt' because when this event is
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// dispatched on a HTMLMediaElement, the audio stream is paused.
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[Pref="media.useAudioChannelAPI"]
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attribute EventHandler onmozinterruptbegin;
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[Pref="media.useAudioChannelAPI"]
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attribute EventHandler onmozinterruptend;
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// This method is for test only.
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[ChromeOnly] AudioChannel testAudioChannelInAudioNodeStream();
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};
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