1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webrtc/MediaEngineDefault.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,152 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef MEDIAENGINEDEFAULT_H_
1.9 +#define MEDIAENGINEDEFAULT_H_
1.10 +
1.11 +#include "nsITimer.h"
1.12 +
1.13 +#include "nsCOMPtr.h"
1.14 +#include "DOMMediaStream.h"
1.15 +#include "nsComponentManagerUtils.h"
1.16 +#include "mozilla/Monitor.h"
1.17 +
1.18 +#include "VideoUtils.h"
1.19 +#include "MediaEngine.h"
1.20 +#include "VideoSegment.h"
1.21 +#include "AudioSegment.h"
1.22 +#include "StreamBuffer.h"
1.23 +#include "MediaStreamGraph.h"
1.24 +
1.25 +namespace mozilla {
1.26 +
1.27 +namespace layers {
1.28 +class ImageContainer;
1.29 +class PlanarYCbCrImage;
1.30 +}
1.31 +
1.32 +class MediaEngineDefault;
1.33 +
1.34 +/**
1.35 + * The default implementation of the MediaEngine interface.
1.36 + */
1.37 +class MediaEngineDefaultVideoSource : public nsITimerCallback,
1.38 + public MediaEngineVideoSource
1.39 +{
1.40 +public:
1.41 + MediaEngineDefaultVideoSource();
1.42 + ~MediaEngineDefaultVideoSource();
1.43 +
1.44 + virtual void GetName(nsAString&);
1.45 + virtual void GetUUID(nsAString&);
1.46 +
1.47 + virtual nsresult Allocate(const VideoTrackConstraintsN &aConstraints,
1.48 + const MediaEnginePrefs &aPrefs);
1.49 + virtual nsresult Deallocate();
1.50 + virtual nsresult Start(SourceMediaStream*, TrackID);
1.51 + virtual nsresult Stop(SourceMediaStream*, TrackID);
1.52 + virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
1.53 + virtual nsresult Config(bool aEchoOn, uint32_t aEcho,
1.54 + bool aAgcOn, uint32_t aAGC,
1.55 + bool aNoiseOn, uint32_t aNoise,
1.56 + int32_t aPlayoutDelay) { return NS_OK; };
1.57 + virtual void NotifyPull(MediaStreamGraph* aGraph,
1.58 + SourceMediaStream *aSource,
1.59 + TrackID aId,
1.60 + StreamTime aDesiredTime,
1.61 + TrackTicks &aLastEndTime);
1.62 +
1.63 + virtual bool IsFake() {
1.64 + return true;
1.65 + }
1.66 +
1.67 + NS_DECL_THREADSAFE_ISUPPORTS
1.68 + NS_DECL_NSITIMERCALLBACK
1.69 +
1.70 +protected:
1.71 + friend class MediaEngineDefault;
1.72 +
1.73 + TrackID mTrackID;
1.74 + nsCOMPtr<nsITimer> mTimer;
1.75 + // mMonitor protects mImage access/changes, and transitions of mState
1.76 + // from kStarted to kStopped (which are combined with EndTrack() and
1.77 + // image changes). Note that mSources is not accessed from other threads
1.78 + // for video and is not protected.
1.79 + Monitor mMonitor;
1.80 + nsRefPtr<layers::Image> mImage;
1.81 +
1.82 + nsRefPtr<layers::ImageContainer> mImageContainer;
1.83 +
1.84 + MediaEnginePrefs mOpts;
1.85 + int mCb;
1.86 + int mCr;
1.87 +};
1.88 +
1.89 +class SineWaveGenerator;
1.90 +
1.91 +class MediaEngineDefaultAudioSource : public nsITimerCallback,
1.92 + public MediaEngineAudioSource
1.93 +{
1.94 +public:
1.95 + MediaEngineDefaultAudioSource();
1.96 + ~MediaEngineDefaultAudioSource();
1.97 +
1.98 + virtual void GetName(nsAString&);
1.99 + virtual void GetUUID(nsAString&);
1.100 +
1.101 + virtual nsresult Allocate(const AudioTrackConstraintsN &aConstraints,
1.102 + const MediaEnginePrefs &aPrefs);
1.103 + virtual nsresult Deallocate();
1.104 + virtual nsresult Start(SourceMediaStream*, TrackID);
1.105 + virtual nsresult Stop(SourceMediaStream*, TrackID);
1.106 + virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
1.107 + virtual nsresult Config(bool aEchoOn, uint32_t aEcho,
1.108 + bool aAgcOn, uint32_t aAGC,
1.109 + bool aNoiseOn, uint32_t aNoise,
1.110 + int32_t aPlayoutDelay) { return NS_OK; };
1.111 + virtual void NotifyPull(MediaStreamGraph* aGraph,
1.112 + SourceMediaStream *aSource,
1.113 + TrackID aId,
1.114 + StreamTime aDesiredTime,
1.115 + TrackTicks &aLastEndTime) {}
1.116 +
1.117 + virtual bool IsFake() {
1.118 + return true;
1.119 + }
1.120 +
1.121 + NS_DECL_THREADSAFE_ISUPPORTS
1.122 + NS_DECL_NSITIMERCALLBACK
1.123 +
1.124 +protected:
1.125 + TrackID mTrackID;
1.126 + nsCOMPtr<nsITimer> mTimer;
1.127 +
1.128 + SourceMediaStream* mSource;
1.129 + nsAutoPtr<SineWaveGenerator> mSineGenerator;
1.130 +};
1.131 +
1.132 +
1.133 +class MediaEngineDefault : public MediaEngine
1.134 +{
1.135 +public:
1.136 + MediaEngineDefault()
1.137 + : mMutex("mozilla::MediaEngineDefault")
1.138 + {}
1.139 +
1.140 + virtual void EnumerateVideoDevices(nsTArray<nsRefPtr<MediaEngineVideoSource> >*);
1.141 + virtual void EnumerateAudioDevices(nsTArray<nsRefPtr<MediaEngineAudioSource> >*);
1.142 +
1.143 +private:
1.144 + ~MediaEngineDefault() {}
1.145 +
1.146 + Mutex mMutex;
1.147 + // protected with mMutex:
1.148 +
1.149 + nsTArray<nsRefPtr<MediaEngineVideoSource> > mVSources;
1.150 + nsTArray<nsRefPtr<MediaEngineAudioSource> > mASources;
1.151 +};
1.152 +
1.153 +}
1.154 +
1.155 +#endif /* NSMEDIAENGINEDEFAULT_H_ */
