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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/* 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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#ifndef DOM_CAMERA_CAMERAPREVIEWMEDIASTREAM_H
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#define DOM_CAMERA_CAMERAPREVIEWMEDIASTREAM_H
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#include "VideoFrameContainer.h"
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#include "MediaStreamGraph.h"
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#include "mozilla/Mutex.h"
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namespace mozilla {
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class FakeMediaStreamGraph : public MediaStreamGraph
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{
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FakeMediaStreamGraph)
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public:
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FakeMediaStreamGraph()
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: MediaStreamGraph(16000)
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{
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}
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virtual void
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DispatchToMainThreadAfterStreamStateUpdate(already_AddRefed<nsIRunnable> aRunnable) override;
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protected:
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~FakeMediaStreamGraph()
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{}
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};
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/**
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* This is a stream for camera preview.
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*
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* XXX It is a temporary fix of SourceMediaStream.
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* A camera preview requests no delay and no buffering stream,
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* but the SourceMediaStream does not support it.
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*/
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class CameraPreviewMediaStream : public MediaStream
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{
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typedef mozilla::layers::Image Image;
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public:
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explicit CameraPreviewMediaStream(DOMMediaStream* aWrapper);
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virtual CameraPreviewMediaStream* AsCameraPreviewStream() override { return this; };
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virtual void AddAudioOutput(void* aKey) override;
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virtual void SetAudioOutputVolume(void* aKey, float aVolume) override;
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virtual void RemoveAudioOutput(void* aKey) override;
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virtual void AddVideoOutput(VideoFrameContainer* aContainer) override;
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virtual void RemoveVideoOutput(VideoFrameContainer* aContainer) override;
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virtual void ChangeExplicitBlockerCount(int32_t aDelta) override;
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virtual void AddListener(MediaStreamListener* aListener) override;
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virtual void RemoveListener(MediaStreamListener* aListener) override;
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virtual void Destroy() override;
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void OnPreviewStateChange(bool aActive);
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void Invalidate();
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// Call these on any thread.
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void SetCurrentFrame(const gfxIntSize& aIntrinsicSize, Image* aImage);
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void ClearCurrentFrame();
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void RateLimit(bool aLimit);
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protected:
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// mMutex protects all the class' fields.
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// This class is not registered to MediaStreamGraph.
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// It needs to protect all the fields.
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Mutex mMutex;
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int32_t mInvalidatePending;
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uint32_t mDiscardedFrames;
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bool mRateLimit;
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bool mTrackCreated;
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nsRefPtr<FakeMediaStreamGraph> mFakeMediaStreamGraph;
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};
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}
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#endif // DOM_CAMERA_CAMERAPREVIEWMEDIASTREAM_H
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