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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at
* The origin of this IDL file is
* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
callback DecodeSuccessCallback = void (AudioBuffer decodedData);
callback DecodeErrorCallback = void (DOMException error);
enum AudioContextState {
interface BaseAudioContext : EventTarget {
readonly attribute AudioDestinationNode destination;
readonly attribute float sampleRate;
readonly attribute double currentTime;
readonly attribute AudioListener listener;
readonly attribute AudioContextState state;
[Throws, SameObject, SecureContext, Pref="dom.audioworklet.enabled"]
readonly attribute AudioWorklet audioWorklet;
Promise<void> resume();
attribute EventHandler onstatechange;
[NewObject, Throws]
AudioBuffer createBuffer (unsigned long numberOfChannels,
unsigned long length,
float sampleRate);
Promise<AudioBuffer> decodeAudioData(ArrayBuffer audioData,
optional DecodeSuccessCallback successCallback,
optional DecodeErrorCallback errorCallback);
// AudioNode creation
AudioBufferSourceNode createBufferSource();
ConstantSourceNode createConstantSource();
[NewObject, Throws]
ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
optional unsigned long numberOfInputChannels = 2,
optional unsigned long numberOfOutputChannels = 2);
[NewObject, Throws]
AnalyserNode createAnalyser();
[NewObject, Throws]
GainNode createGain();
[NewObject, Throws]
DelayNode createDelay(optional double maxDelayTime = 1); // TODO: no = 1
[NewObject, Throws]
BiquadFilterNode createBiquadFilter();
[NewObject, Throws]
IIRFilterNode createIIRFilter(sequence<double> feedforward, sequence<double> feedback);
[NewObject, Throws]
WaveShaperNode createWaveShaper();
[NewObject, Throws]
PannerNode createPanner();
[NewObject, Throws]
StereoPannerNode createStereoPanner();
[NewObject, Throws]
ConvolverNode createConvolver();
[NewObject, Throws]
ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
[NewObject, Throws]
ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
[NewObject, Throws]
DynamicsCompressorNode createDynamicsCompressor();
[NewObject, Throws]
OscillatorNode createOscillator();
[NewObject, Throws]
PeriodicWave createPeriodicWave(sequence<float> real,
sequence<float> imag,
optional PeriodicWaveConstraints constraints = {});