michael@0: /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0:  *
michael@0:  * The origin of this IDL file is
michael@0:  * https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html
michael@0:  *
michael@0:  * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
michael@0:  * liability, trademark and document use rules apply.
michael@0:  */
michael@0: 
michael@0: callback DecodeSuccessCallback = void (AudioBuffer decodedData);
michael@0: callback DecodeErrorCallback = void ();
michael@0: 
michael@0: [Constructor,
michael@0:  Constructor(AudioChannel audioChannelType)]
michael@0: interface AudioContext : EventTarget {
michael@0: 
michael@0:     readonly attribute AudioDestinationNode destination;
michael@0:     readonly attribute float sampleRate;
michael@0:     readonly attribute double currentTime;
michael@0:     readonly attribute AudioListener listener;
michael@0: 
michael@0:     [NewObject, Throws]
michael@0:     AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
michael@0: 
michael@0:     void decodeAudioData(ArrayBuffer audioData,
michael@0:                          DecodeSuccessCallback successCallback,
michael@0:                          optional DecodeErrorCallback errorCallback);
michael@0: 
michael@0:     // AudioNode creation
michael@0:     [NewObject]
michael@0:     AudioBufferSourceNode createBufferSource();
michael@0: 
michael@0:     [NewObject, Throws]
michael@0:     MediaStreamAudioDestinationNode createMediaStreamDestination();
michael@0: 
michael@0:     [NewObject, Throws]
michael@0:     ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
michael@0:                                               optional unsigned long numberOfInputChannels = 2,
michael@0:                                               optional unsigned long numberOfOutputChannels = 2);
michael@0: 
michael@0:     [NewObject]
michael@0:     AnalyserNode createAnalyser();
michael@0:     [NewObject, Throws]
michael@0:     MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
michael@0:     [NewObject, Throws]
michael@0:     MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
michael@0:     [NewObject]
michael@0:     GainNode createGain();
michael@0:     [NewObject, Throws]
michael@0:     DelayNode createDelay(optional double maxDelayTime = 1);
michael@0:     [NewObject]
michael@0:     BiquadFilterNode createBiquadFilter();
michael@0:     [NewObject]
michael@0:     WaveShaperNode createWaveShaper();
michael@0:     [NewObject]
michael@0:     PannerNode createPanner();
michael@0:     [NewObject]
michael@0:     ConvolverNode createConvolver();
michael@0: 
michael@0:     [NewObject, Throws]
michael@0:     ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
michael@0:     [NewObject, Throws]
michael@0:     ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
michael@0: 
michael@0:     [NewObject]
michael@0:     DynamicsCompressorNode createDynamicsCompressor();
michael@0: 
michael@0:     [NewObject]
michael@0:     OscillatorNode createOscillator();
michael@0:     [NewObject, Throws]
michael@0:     PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
michael@0: 
michael@0: };
michael@0: 
michael@0: // Mozilla extensions
michael@0: partial interface AudioContext {
michael@0:   // Read AudioChannel.webidl for more information about this attribute.
michael@0:   [Pref="media.useAudioChannelService", SetterThrows]
michael@0:   attribute AudioChannel mozAudioChannelType;
michael@0: };