| /* |
| * Copyright (C) 2010, Google Inc. All rights reserved. |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| enum AudioContextState { |
| "suspended", |
| "running", |
| "closed" |
| }; |
| |
| [ |
| GarbageCollected, |
| DependentLifetime, |
| Constructor, |
| ConstructorCallWith=Document, |
| ImplementedAs=AbstractAudioContext, |
| NoInterfaceObject, |
| RaisesException=Constructor, |
| ] interface AudioContext : EventTarget { |
| // All rendered audio ultimately connects to destination, which represents the audio hardware. |
| readonly attribute AudioDestinationNode destination; |
| |
| // All scheduled times are relative to this time in seconds. |
| readonly attribute double currentTime; |
| |
| // All AudioNodes in the context run at this sample-rate (sample-frames per second). |
| readonly attribute float sampleRate; |
| |
| // All panning is relative to this listener. |
| readonly attribute AudioListener listener; |
| |
| // Current state of the AudioContext |
| readonly attribute AudioContextState state; |
| |
| [RaisesException] AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long numberOfFrames, float sampleRate); |
| |
| // Asynchronous audio file data decoding. |
| [RaisesException, MeasureAs=AudioContextDecodeAudioData, CallWith=ScriptState] Promise<AudioBuffer> decodeAudioData(ArrayBuffer audioData, optional AudioBufferCallback successCallback, optional AudioBufferCallback errorCallback); |
| |
| // Sources |
| [RaisesException, MeasureAs=AudioContextCreateBufferSource] AudioBufferSourceNode createBufferSource(); |
| |
| [RaisesException, MeasureAs=AudioContextCreateMediaElementSource] MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement); |
| |
| [RaisesException, MeasureAs=AudioContextCreateMediaStreamSource] MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream); |
| [RaisesException, MeasureAs=AudioContextCreateMediaStreamDestination] MediaStreamAudioDestinationNode createMediaStreamDestination(); |
| |
| // Processing nodes |
| [RaisesException, MeasureAs=AudioContextCreateGain] GainNode createGain(); |
| [RaisesException, MeasureAs=AudioContextCreateDelay] DelayNode createDelay(optional double maxDelayTime); |
| [RaisesException, MeasureAs=AudioContextCreateBiquadFilter] BiquadFilterNode createBiquadFilter(); |
| [RaisesException, MeasureAs=AudioContextCreateIIRFilter] IIRFilterNode createIIRFilter(sequence<double> feedForward, sequence<double> feedBack); |
| [RaisesException, MeasureAs=AudioContextCreateWaveShaper] WaveShaperNode createWaveShaper(); |
| [RaisesException, MeasureAs=AudioContextCreatePanner] PannerNode createPanner(); |
| [RaisesException, MeasureAs=AudioContextCreateConvolver] ConvolverNode createConvolver(); |
| [RaisesException, MeasureAs=AudioContextCreateDynamicsCompressor] DynamicsCompressorNode createDynamicsCompressor(); |
| [RaisesException, MeasureAs=AudioContextCreateAnalyser] AnalyserNode createAnalyser(); |
| [RaisesException, MeasureAs=AudioContextCreateScriptProcessor] ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize, optional unsigned long numberOfInputChannels, optional unsigned long numberOfOutputChannels); |
| [RaisesException, MeasureAs=AudioContextCreateStereoPanner] StereoPannerNode createStereoPanner(); |
| [RaisesException, MeasureAs=AudioContextCreateOscillator] OscillatorNode createOscillator(); |
| [RaisesException, MeasureAs=AudioContextCreatePeriodicWave] PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag, optional Dictionary options); |
| |
| // Channel splitting and merging |
| [RaisesException, MeasureAs=AudioContextCreateChannelSplitter] ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs); |
| [RaisesException, MeasureAs=AudioContextCreateChannelMerger] ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs); |
| |
| // Close |
| [MeasureAs=AudioContextClose, CallWith=ScriptState, ImplementedAs=closeContext] Promise<void> close(); |
| |
| // Pause/resume |
| [MeasureAs=AudioContextSuspend, CallWith=ScriptState, ImplementedAs=suspendContext] Promise<void> suspend(); |
| [MeasureAs=AudioContextResume, CallWith=ScriptState, ImplementedAs=resumeContext] Promise<void> resume(); |
| |
| attribute EventHandler onstatechange; |
| }; |