michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef MEDIAENGINEDEFAULT_H_
michael@0: #define MEDIAENGINEDEFAULT_H_
michael@0: 
michael@0: #include "nsITimer.h"
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "DOMMediaStream.h"
michael@0: #include "nsComponentManagerUtils.h"
michael@0: #include "mozilla/Monitor.h"
michael@0: 
michael@0: #include "VideoUtils.h"
michael@0: #include "MediaEngine.h"
michael@0: #include "VideoSegment.h"
michael@0: #include "AudioSegment.h"
michael@0: #include "StreamBuffer.h"
michael@0: #include "MediaStreamGraph.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: namespace layers {
michael@0: class ImageContainer;
michael@0: class PlanarYCbCrImage;
michael@0: }
michael@0: 
michael@0: class MediaEngineDefault;
michael@0: 
michael@0: /**
michael@0:  * The default implementation of the MediaEngine interface.
michael@0:  */
michael@0: class MediaEngineDefaultVideoSource : public nsITimerCallback,
michael@0:                                       public MediaEngineVideoSource
michael@0: {
michael@0: public:
michael@0:   MediaEngineDefaultVideoSource();
michael@0:   ~MediaEngineDefaultVideoSource();
michael@0: 
michael@0:   virtual void GetName(nsAString&);
michael@0:   virtual void GetUUID(nsAString&);
michael@0: 
michael@0:   virtual nsresult Allocate(const VideoTrackConstraintsN &aConstraints,
michael@0:                             const MediaEnginePrefs &aPrefs);
michael@0:   virtual nsresult Deallocate();
michael@0:   virtual nsresult Start(SourceMediaStream*, TrackID);
michael@0:   virtual nsresult Stop(SourceMediaStream*, TrackID);
michael@0:   virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
michael@0:   virtual nsresult Config(bool aEchoOn, uint32_t aEcho,
michael@0:                           bool aAgcOn, uint32_t aAGC,
michael@0:                           bool aNoiseOn, uint32_t aNoise,
michael@0:                           int32_t aPlayoutDelay) { return NS_OK; };
michael@0:   virtual void NotifyPull(MediaStreamGraph* aGraph,
michael@0:                           SourceMediaStream *aSource,
michael@0:                           TrackID aId,
michael@0:                           StreamTime aDesiredTime,
michael@0:                           TrackTicks &aLastEndTime);
michael@0: 
michael@0:   virtual bool IsFake() {
michael@0:     return true;
michael@0:   }
michael@0: 
michael@0:   NS_DECL_THREADSAFE_ISUPPORTS
michael@0:   NS_DECL_NSITIMERCALLBACK
michael@0: 
michael@0: protected:
michael@0:   friend class MediaEngineDefault;
michael@0: 
michael@0:   TrackID mTrackID;
michael@0:   nsCOMPtr<nsITimer> mTimer;
michael@0:   // mMonitor protects mImage access/changes, and transitions of mState
michael@0:   // from kStarted to kStopped (which are combined with EndTrack() and
michael@0:   // image changes).  Note that mSources is not accessed from other threads
michael@0:   // for video and is not protected.
michael@0:   Monitor mMonitor;
michael@0:   nsRefPtr<layers::Image> mImage;
michael@0: 
michael@0:   nsRefPtr<layers::ImageContainer> mImageContainer;
michael@0: 
michael@0:   MediaEnginePrefs mOpts;
michael@0:   int mCb;
michael@0:   int mCr;
michael@0: };
michael@0: 
michael@0: class SineWaveGenerator;
michael@0: 
michael@0: class MediaEngineDefaultAudioSource : public nsITimerCallback,
michael@0:                                       public MediaEngineAudioSource
michael@0: {
michael@0: public:
michael@0:   MediaEngineDefaultAudioSource();
michael@0:   ~MediaEngineDefaultAudioSource();
michael@0: 
michael@0:   virtual void GetName(nsAString&);
michael@0:   virtual void GetUUID(nsAString&);
michael@0: 
michael@0:   virtual nsresult Allocate(const AudioTrackConstraintsN &aConstraints,
michael@0:                             const MediaEnginePrefs &aPrefs);
michael@0:   virtual nsresult Deallocate();
michael@0:   virtual nsresult Start(SourceMediaStream*, TrackID);
michael@0:   virtual nsresult Stop(SourceMediaStream*, TrackID);
michael@0:   virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
michael@0:   virtual nsresult Config(bool aEchoOn, uint32_t aEcho,
michael@0:                           bool aAgcOn, uint32_t aAGC,
michael@0:                           bool aNoiseOn, uint32_t aNoise,
michael@0:                           int32_t aPlayoutDelay) { return NS_OK; };
michael@0:   virtual void NotifyPull(MediaStreamGraph* aGraph,
michael@0:                           SourceMediaStream *aSource,
michael@0:                           TrackID aId,
michael@0:                           StreamTime aDesiredTime,
michael@0:                           TrackTicks &aLastEndTime) {}
michael@0: 
michael@0:   virtual bool IsFake() {
michael@0:     return true;
michael@0:   }
michael@0: 
michael@0:   NS_DECL_THREADSAFE_ISUPPORTS
michael@0:   NS_DECL_NSITIMERCALLBACK
michael@0: 
michael@0: protected:
michael@0:   TrackID mTrackID;
michael@0:   nsCOMPtr<nsITimer> mTimer;
michael@0: 
michael@0:   SourceMediaStream* mSource;
michael@0:   nsAutoPtr<SineWaveGenerator> mSineGenerator;
michael@0: };
michael@0: 
michael@0: 
michael@0: class MediaEngineDefault : public MediaEngine
michael@0: {
michael@0: public:
michael@0:   MediaEngineDefault()
michael@0:   : mMutex("mozilla::MediaEngineDefault")
michael@0:   {}
michael@0: 
michael@0:   virtual void EnumerateVideoDevices(nsTArray<nsRefPtr<MediaEngineVideoSource> >*);
michael@0:   virtual void EnumerateAudioDevices(nsTArray<nsRefPtr<MediaEngineAudioSource> >*);
michael@0: 
michael@0: private:
michael@0:   ~MediaEngineDefault() {}
michael@0: 
michael@0:   Mutex mMutex;
michael@0:   // protected with mMutex:
michael@0: 
michael@0:   nsTArray<nsRefPtr<MediaEngineVideoSource> > mVSources;
michael@0:   nsTArray<nsRefPtr<MediaEngineAudioSource> > mASources;
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif /* NSMEDIAENGINEDEFAULT_H_ */