mirror of
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116 lines
2.9 KiB
C++
116 lines
2.9 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 "prmem.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 "Layers.h"
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#include "VideoUtils.h"
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#include "MediaEngine.h"
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#include "ImageLayers.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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/**
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* The default implementation of the MediaEngine interface.
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*/
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enum DefaultEngineState {
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kAllocated,
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kStarted,
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kStopped,
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kReleased
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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() : mTimer(nsnull), mState(kReleased) {}
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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 MediaEngineVideoOptions GetOptions();
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virtual already_AddRefed<nsDOMMediaStream> Allocate();
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virtual nsresult Deallocate();
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virtual nsresult Start(SourceMediaStream*, TrackID);
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virtual nsresult Stop();
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virtual nsresult Snapshot(PRUint32 aDuration, nsIDOMFile** aFile);
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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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nsRefPtr<layers::ImageContainer> mImageContainer;
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DefaultEngineState mState;
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SourceMediaStream* mSource;
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layers::PlanarYCbCrImage* mImage;
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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() : mTimer(nsnull), mState(kReleased) {}
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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 already_AddRefed<nsDOMMediaStream> Allocate();
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virtual nsresult Deallocate();
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virtual nsresult Start(SourceMediaStream*, TrackID);
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virtual nsresult Stop();
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virtual nsresult Snapshot(PRUint32 aDuration, nsIDOMFile** aFile);
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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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DefaultEngineState mState;
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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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mVSource = new MediaEngineDefaultVideoSource();
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mASource = new MediaEngineDefaultAudioSource();
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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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nsRefPtr<MediaEngineVideoSource> mVSource;
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nsRefPtr<MediaEngineAudioSource> mASource;
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};
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}
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#endif /* NSMEDIAENGINEDEFAULT_H_ */
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