mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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129 lines
2.8 KiB
C++
129 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef AudioBufferSourceNode_h_
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#define AudioBufferSourceNode_h_
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#include "AudioNode.h"
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#include "AudioBuffer.h"
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#include "AudioParam.h"
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#include "mozilla/dom/BindingUtils.h"
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namespace mozilla {
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namespace dom {
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class AudioBufferSourceNode : public AudioNode,
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public MainThreadMediaStreamListener
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{
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public:
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explicit AudioBufferSourceNode(AudioContext* aContext);
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virtual ~AudioBufferSourceNode();
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virtual void DestroyMediaStream() MOZ_OVERRIDE
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{
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if (mStream) {
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mStream->RemoveMainThreadListener(this);
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}
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AudioNode::DestroyMediaStream();
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}
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virtual bool SupportsMediaStreams() const MOZ_OVERRIDE
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{
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return true;
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}
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virtual uint32_t NumberOfInputs() const MOZ_FINAL MOZ_OVERRIDE
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{
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return 0;
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}
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virtual AudioBufferSourceNode* AsAudioBufferSourceNode() MOZ_OVERRIDE
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{
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return this;
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}
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void UnregisterPannerNode() {
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mPannerNode = nullptr;
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}
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void RegisterPannerNode(PannerNode* aPannerNode) {
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mPannerNode = aPannerNode;
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}
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void JSBindingFinalized()
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{
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// If the JS binding goes away on a node which never received a start()
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// call, then it can no longer produce output.
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if (!mStartCalled) {
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SetProduceOwnOutput(false);
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}
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AudioNode::JSBindingFinalized();
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}
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioBufferSourceNode, AudioNode)
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virtual JSObject* WrapObject(JSContext* aCx, JSObject* aScope);
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void Start(JSContext* aCx, double aWhen, double aOffset,
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const Optional<double>& aDuration, ErrorResult& aRv);
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void Stop(double aWhen, ErrorResult& aRv);
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AudioBuffer* GetBuffer() const
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{
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return mBuffer;
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}
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void SetBuffer(AudioBuffer* aBuffer)
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{
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mBuffer = aBuffer;
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}
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AudioParam* PlaybackRate() const
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{
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return mPlaybackRate;
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}
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bool Loop() const
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{
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return mLoop;
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}
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void SetLoop(bool aLoop)
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{
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mLoop = aLoop;
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}
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double LoopStart() const
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{
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return mLoopStart;
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}
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void SetLoopStart(double aStart)
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{
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mLoopStart = aStart;
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}
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double LoopEnd() const
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{
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return mLoopEnd;
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}
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void SetLoopEnd(double aEnd)
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{
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mLoopEnd = aEnd;
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}
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void SendDopplerShiftToStream(double aDopplerShift);
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virtual void NotifyMainThreadStateChanged() MOZ_OVERRIDE;
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private:
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static void SendPlaybackRateToStream(AudioNode* aNode);
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nsRefPtr<AudioBuffer> mBuffer;
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double mLoopStart;
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double mLoopEnd;
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bool mLoop;
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bool mStartCalled;
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nsRefPtr<AudioParam> mPlaybackRate;
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PannerNode* mPannerNode;
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};
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}
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}
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#endif
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