The Tor Browser / file comparison
comparison: content/media/webrtc/MediaEngineDefault.h
content/media/webrtc/MediaEngineDefault.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:1065b1ab827c |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef MEDIAENGINEDEFAULT_H_ | |
| 6 #define MEDIAENGINEDEFAULT_H_ | |
| 7 | |
| 8 #include "nsITimer.h" | |
| 9 | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "DOMMediaStream.h" | |
| 12 #include "nsComponentManagerUtils.h" | |
| 13 #include "mozilla/Monitor.h" | |
| 14 | |
| 15 #include "VideoUtils.h" | |
| 16 #include "MediaEngine.h" | |
| 17 #include "VideoSegment.h" | |
| 18 #include "AudioSegment.h" | |
| 19 #include "StreamBuffer.h" | |
| 20 #include "MediaStreamGraph.h" | |
| 21 | |
| 22 namespace mozilla { | |
| 23 | |
| 24 namespace layers { | |
| 25 class ImageContainer; | |
| 26 class PlanarYCbCrImage; | |
| 27 } | |
| 28 | |
| 29 class MediaEngineDefault; | |
| 30 | |
| 31 /** | |
| 32 * The default implementation of the MediaEngine interface. | |
| 33 */ | |
| 34 class MediaEngineDefaultVideoSource : public nsITimerCallback, | |
| 35 public MediaEngineVideoSource | |
| 36 { | |
| 37 public: | |
| 38 MediaEngineDefaultVideoSource(); | |
| 39 ~MediaEngineDefaultVideoSource(); | |
| 40 | |
| 41 virtual void GetName(nsAString&); | |
| 42 virtual void GetUUID(nsAString&); | |
| 43 | |
| 44 virtual nsresult Allocate(const VideoTrackConstraintsN &aConstraints, | |
| 45 const MediaEnginePrefs &aPrefs); | |
| 46 virtual nsresult Deallocate(); | |
| 47 virtual nsresult Start(SourceMediaStream*, TrackID); | |
| 48 virtual nsresult Stop(SourceMediaStream*, TrackID); | |
| 49 virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile); | |
| 50 virtual nsresult Config(bool aEchoOn, uint32_t aEcho, | |
| 51 bool aAgcOn, uint32_t aAGC, | |
| 52 bool aNoiseOn, uint32_t aNoise, | |
| 53 int32_t aPlayoutDelay) { return NS_OK; }; | |
| 54 virtual void NotifyPull(MediaStreamGraph* aGraph, | |
| 55 SourceMediaStream *aSource, | |
| 56 TrackID aId, | |
| 57 StreamTime aDesiredTime, | |
| 58 TrackTicks &aLastEndTime); | |
| 59 | |
| 60 virtual bool IsFake() { | |
| 61 return true; | |
| 62 } | |
| 63 | |
| 64 NS_DECL_THREADSAFE_ISUPPORTS | |
| 65 NS_DECL_NSITIMERCALLBACK | |
| 66 | |
| 67 protected: | |
| 68 friend class MediaEngineDefault; | |
| 69 | |
| 70 TrackID mTrackID; | |
| 71 nsCOMPtr<nsITimer> mTimer; | |
| 72 // mMonitor protects mImage access/changes, and transitions of mState | |
| 73 // from kStarted to kStopped (which are combined with EndTrack() and | |
| 74 // image changes). Note that mSources is not accessed from other threads | |
| 75 // for video and is not protected. | |
| 76 Monitor mMonitor; | |
| 77 nsRefPtr<layers::Image> mImage; | |
| 78 | |
| 79 nsRefPtr<layers::ImageContainer> mImageContainer; | |
| 80 | |
| 81 MediaEnginePrefs mOpts; | |
| 82 int mCb; | |
| 83 int mCr; | |
| 84 }; | |
| 85 | |
| 86 class SineWaveGenerator; | |
| 87 | |
| 88 class MediaEngineDefaultAudioSource : public nsITimerCallback, | |
| 89 public MediaEngineAudioSource | |
| 90 { | |
| 91 public: | |
| 92 MediaEngineDefaultAudioSource(); | |
| 93 ~MediaEngineDefaultAudioSource(); | |
| 94 | |
| 95 virtual void GetName(nsAString&); | |
| 96 virtual void GetUUID(nsAString&); | |
| 97 | |
| 98 virtual nsresult Allocate(const AudioTrackConstraintsN &aConstraints, | |
| 99 const MediaEnginePrefs &aPrefs); | |
| 100 virtual nsresult Deallocate(); | |
| 101 virtual nsresult Start(SourceMediaStream*, TrackID); | |
| 102 virtual nsresult Stop(SourceMediaStream*, TrackID); | |
| 103 virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile); | |
| 104 virtual nsresult Config(bool aEchoOn, uint32_t aEcho, | |
| 105 bool aAgcOn, uint32_t aAGC, | |
| 106 bool aNoiseOn, uint32_t aNoise, | |
| 107 int32_t aPlayoutDelay) { return NS_OK; }; | |
| 108 virtual void NotifyPull(MediaStreamGraph* aGraph, | |
| 109 SourceMediaStream *aSource, | |
| 110 TrackID aId, | |
| 111 StreamTime aDesiredTime, | |
| 112 TrackTicks &aLastEndTime) {} | |
| 113 | |
| 114 virtual bool IsFake() { | |
| 115 return true; | |
| 116 } | |
| 117 | |
| 118 NS_DECL_THREADSAFE_ISUPPORTS | |
| 119 NS_DECL_NSITIMERCALLBACK | |
| 120 | |
| 121 protected: | |
| 122 TrackID mTrackID; | |
| 123 nsCOMPtr<nsITimer> mTimer; | |
| 124 | |
| 125 SourceMediaStream* mSource; | |
| 126 nsAutoPtr<SineWaveGenerator> mSineGenerator; | |
| 127 }; | |
| 128 | |
| 129 | |
| 130 class MediaEngineDefault : public MediaEngine | |
| 131 { | |
| 132 public: | |
| 133 MediaEngineDefault() | |
| 134 : mMutex("mozilla::MediaEngineDefault") | |
| 135 {} | |
| 136 | |
| 137 virtual void EnumerateVideoDevices(nsTArray<nsRefPtr<MediaEngineVideoSource> >*); | |
| 138 virtual void EnumerateAudioDevices(nsTArray<nsRefPtr<MediaEngineAudioSource> >*); | |
| 139 | |
| 140 private: | |
| 141 ~MediaEngineDefault() {} | |
| 142 | |
| 143 Mutex mMutex; | |
| 144 // protected with mMutex: | |
| 145 | |
| 146 nsTArray<nsRefPtr<MediaEngineVideoSource> > mVSources; | |
| 147 nsTArray<nsRefPtr<MediaEngineAudioSource> > mASources; | |
| 148 }; | |
| 149 | |
| 150 } | |
| 151 | |
| 152 #endif /* NSMEDIAENGINEDEFAULT_H_ */ |
