зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
4.2 KiB
Plaintext
119 строки
4.2 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://webaudio.github.io/web-audio-api/
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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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dictionary PeriodicWaveConstraints {
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boolean disableNormalization = false;
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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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IIRFilterNode createIIRFilter(sequence<double> feedforward, sequence<double> feedback);
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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, optional PeriodicWaveConstraints constraints);
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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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