diff -r 000000000000 -r 6474c204b198 content/media/webrtc/MediaEngineDefault.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/webrtc/MediaEngineDefault.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,152 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MEDIAENGINEDEFAULT_H_
+#define MEDIAENGINEDEFAULT_H_
+
+#include "nsITimer.h"
+
+#include "nsCOMPtr.h"
+#include "DOMMediaStream.h"
+#include "nsComponentManagerUtils.h"
+#include "mozilla/Monitor.h"
+
+#include "VideoUtils.h"
+#include "MediaEngine.h"
+#include "VideoSegment.h"
+#include "AudioSegment.h"
+#include "StreamBuffer.h"
+#include "MediaStreamGraph.h"
+
+namespace mozilla {
+
+namespace layers {
+class ImageContainer;
+class PlanarYCbCrImage;
+}
+
+class MediaEngineDefault;
+
+/**
+ * The default implementation of the MediaEngine interface.
+ */
+class MediaEngineDefaultVideoSource : public nsITimerCallback,
+                                      public MediaEngineVideoSource
+{
+public:
+  MediaEngineDefaultVideoSource();
+  ~MediaEngineDefaultVideoSource();
+
+  virtual void GetName(nsAString&);
+  virtual void GetUUID(nsAString&);
+
+  virtual nsresult Allocate(const VideoTrackConstraintsN &aConstraints,
+                            const MediaEnginePrefs &aPrefs);
+  virtual nsresult Deallocate();
+  virtual nsresult Start(SourceMediaStream*, TrackID);
+  virtual nsresult Stop(SourceMediaStream*, TrackID);
+  virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
+  virtual nsresult Config(bool aEchoOn, uint32_t aEcho,
+                          bool aAgcOn, uint32_t aAGC,
+                          bool aNoiseOn, uint32_t aNoise,
+                          int32_t aPlayoutDelay) { return NS_OK; };
+  virtual void NotifyPull(MediaStreamGraph* aGraph,
+                          SourceMediaStream *aSource,
+                          TrackID aId,
+                          StreamTime aDesiredTime,
+                          TrackTicks &aLastEndTime);
+
+  virtual bool IsFake() {
+    return true;
+  }
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSITIMERCALLBACK
+
+protected:
+  friend class MediaEngineDefault;
+
+  TrackID mTrackID;
+  nsCOMPtr<nsITimer> mTimer;
+  // mMonitor protects mImage access/changes, and transitions of mState
+  // from kStarted to kStopped (which are combined with EndTrack() and
+  // image changes).  Note that mSources is not accessed from other threads
+  // for video and is not protected.
+  Monitor mMonitor;
+  nsRefPtr<layers::Image> mImage;
+
+  nsRefPtr<layers::ImageContainer> mImageContainer;
+
+  MediaEnginePrefs mOpts;
+  int mCb;
+  int mCr;
+};
+
+class SineWaveGenerator;
+
+class MediaEngineDefaultAudioSource : public nsITimerCallback,
+                                      public MediaEngineAudioSource
+{
+public:
+  MediaEngineDefaultAudioSource();
+  ~MediaEngineDefaultAudioSource();
+
+  virtual void GetName(nsAString&);
+  virtual void GetUUID(nsAString&);
+
+  virtual nsresult Allocate(const AudioTrackConstraintsN &aConstraints,
+                            const MediaEnginePrefs &aPrefs);
+  virtual nsresult Deallocate();
+  virtual nsresult Start(SourceMediaStream*, TrackID);
+  virtual nsresult Stop(SourceMediaStream*, TrackID);
+  virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
+  virtual nsresult Config(bool aEchoOn, uint32_t aEcho,
+                          bool aAgcOn, uint32_t aAGC,
+                          bool aNoiseOn, uint32_t aNoise,
+                          int32_t aPlayoutDelay) { return NS_OK; };
+  virtual void NotifyPull(MediaStreamGraph* aGraph,
+                          SourceMediaStream *aSource,
+                          TrackID aId,
+                          StreamTime aDesiredTime,
+                          TrackTicks &aLastEndTime) {}
+
+  virtual bool IsFake() {
+    return true;
+  }
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSITIMERCALLBACK
+
+protected:
+  TrackID mTrackID;
+  nsCOMPtr<nsITimer> mTimer;
+
+  SourceMediaStream* mSource;
+  nsAutoPtr<SineWaveGenerator> mSineGenerator;
+};
+
+
+class MediaEngineDefault : public MediaEngine
+{
+public:
+  MediaEngineDefault()
+  : mMutex("mozilla::MediaEngineDefault")
+  {}
+
+  virtual void EnumerateVideoDevices(nsTArray<nsRefPtr<MediaEngineVideoSource> >*);
+  virtual void EnumerateAudioDevices(nsTArray<nsRefPtr<MediaEngineAudioSource> >*);
+
+private:
+  ~MediaEngineDefault() {}
+
+  Mutex mMutex;
+  // protected with mMutex:
+
+  nsTArray<nsRefPtr<MediaEngineVideoSource> > mVSources;
+  nsTArray<nsRefPtr<MediaEngineAudioSource> > mASources;
+};
+
+}
+
+#endif /* NSMEDIAENGINEDEFAULT_H_ */