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128 lines
3.5 KiB
C++
128 lines
3.5 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 MEDIAENGINEDEFAULT_H_
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#define MEDIAENGINEDEFAULT_H_
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#include "nsITimer.h"
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#include "nsCOMPtr.h"
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#include "nsDOMMediaStream.h"
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#include "nsComponentManagerUtils.h"
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#include "VideoUtils.h"
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#include "MediaEngine.h"
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#include "VideoSegment.h"
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#include "AudioSegment.h"
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#include "StreamBuffer.h"
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#include "MediaStreamGraph.h"
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namespace mozilla {
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namespace layers {
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class ImageContainer;
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class PlanarYCbCrImage;
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}
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/**
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* The default implementation of the MediaEngine interface.
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*/
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class MediaEngineDefaultVideoSource : public nsITimerCallback,
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public MediaEngineVideoSource
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{
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public:
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MediaEngineDefaultVideoSource();
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~MediaEngineDefaultVideoSource();
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virtual void GetName(nsAString&);
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virtual void GetUUID(nsAString&);
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virtual const MediaEngineVideoOptions *GetOptions();
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virtual nsresult Allocate();
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virtual nsresult Deallocate();
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virtual nsresult Start(SourceMediaStream*, TrackID);
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virtual nsresult Stop(SourceMediaStream*, TrackID);
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virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
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virtual void NotifyPull(MediaStreamGraph* aGraph, StreamTime aDesiredTime);
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virtual void NotifyPull(MediaStreamGraph* aGraph,
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SourceMediaStream *aSource,
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TrackID aId,
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StreamTime aDesiredTime,
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TrackTicks &aLastEndTime) {}
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NS_DECL_ISUPPORTS
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NS_DECL_NSITIMERCALLBACK
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// Need something better...
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static const int DEFAULT_WIDTH=640;
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static const int DEFAULT_HEIGHT=480;
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static const int DEFAULT_FPS=30;
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protected:
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TrackID mTrackID;
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nsCOMPtr<nsITimer> mTimer;
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nsRefPtr<layers::ImageContainer> mImageContainer;
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SourceMediaStream* mSource;
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layers::PlanarYCbCrImage* mImage;
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static const MediaEngineVideoOptions mOpts;
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int mCb;
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int mCr;
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};
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class MediaEngineDefaultAudioSource : public nsITimerCallback,
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public MediaEngineAudioSource
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{
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public:
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MediaEngineDefaultAudioSource();
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~MediaEngineDefaultAudioSource();
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virtual void GetName(nsAString&);
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virtual void GetUUID(nsAString&);
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virtual nsresult Allocate();
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virtual nsresult Deallocate();
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virtual nsresult Start(SourceMediaStream*, TrackID);
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virtual nsresult Stop(SourceMediaStream*, TrackID);
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virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
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virtual void NotifyPull(MediaStreamGraph* aGraph, StreamTime aDesiredTime);
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virtual void NotifyPull(MediaStreamGraph* aGraph,
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SourceMediaStream *aSource,
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TrackID aId,
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StreamTime aDesiredTime,
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TrackTicks &aLastEndTime) {}
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NS_DECL_ISUPPORTS
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NS_DECL_NSITIMERCALLBACK
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protected:
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TrackID mTrackID;
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nsCOMPtr<nsITimer> mTimer;
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SourceMediaStream* mSource;
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};
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class MediaEngineDefault : public MediaEngine
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{
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public:
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MediaEngineDefault()
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: mMutex("mozilla::MediaEngineDefault")
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{}
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~MediaEngineDefault() {}
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virtual void EnumerateVideoDevices(nsTArray<nsRefPtr<MediaEngineVideoSource> >*);
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virtual void EnumerateAudioDevices(nsTArray<nsRefPtr<MediaEngineAudioSource> >*);
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private:
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Mutex mMutex;
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// protected with mMutex:
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nsTArray<nsRefPtr<MediaEngineVideoSource> > mVSources;
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nsTArray<nsRefPtr<MediaEngineAudioSource> > mASources;
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};
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}
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#endif /* NSMEDIAENGINEDEFAULT_H_ */
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