gecko/content/media/webrtc/MediaEngineDefault.h

117 lines
3.0 KiB
C++

/* 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 "prmem.h"
#include "nsITimer.h"
#include "nsCOMPtr.h"
#include "nsDOMMediaStream.h"
#include "nsComponentManagerUtils.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;
}
/**
* 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 const MediaEngineVideoOptions *GetOptions();
virtual nsresult Allocate();
virtual nsresult Deallocate();
virtual nsresult Start(SourceMediaStream*, TrackID);
virtual nsresult Stop();
virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
virtual void NotifyPull(MediaStreamGraph* aGraph, StreamTime aDesiredTime);
NS_DECL_ISUPPORTS
NS_DECL_NSITIMERCALLBACK
// Need something better...
static const int DEFAULT_WIDTH=640;
static const int DEFAULT_HEIGHT=480;
static const int DEFAULT_FPS=30;
protected:
TrackID mTrackID;
nsCOMPtr<nsITimer> mTimer;
nsRefPtr<layers::ImageContainer> mImageContainer;
SourceMediaStream* mSource;
layers::PlanarYCbCrImage* mImage;
static const MediaEngineVideoOptions mOpts;
};
class MediaEngineDefaultAudioSource : public nsITimerCallback,
public MediaEngineAudioSource
{
public:
MediaEngineDefaultAudioSource();
~MediaEngineDefaultAudioSource();
virtual void GetName(nsAString&);
virtual void GetUUID(nsAString&);
virtual nsresult Allocate();
virtual nsresult Deallocate();
virtual nsresult Start(SourceMediaStream*, TrackID);
virtual nsresult Stop();
virtual nsresult Snapshot(uint32_t aDuration, nsIDOMFile** aFile);
virtual void NotifyPull(MediaStreamGraph* aGraph, StreamTime aDesiredTime);
NS_DECL_ISUPPORTS
NS_DECL_NSITIMERCALLBACK
protected:
TrackID mTrackID;
nsCOMPtr<nsITimer> mTimer;
SourceMediaStream* mSource;
};
class MediaEngineDefault : public MediaEngine
{
public:
MediaEngineDefault()
: mMutex("mozilla::MediaEngineDefault")
{}
~MediaEngineDefault() {}
virtual void EnumerateVideoDevices(nsTArray<nsRefPtr<MediaEngineVideoSource> >*);
virtual void EnumerateAudioDevices(nsTArray<nsRefPtr<MediaEngineAudioSource> >*);
private:
Mutex mMutex;
// protected with mMutex:
nsTArray<nsRefPtr<MediaEngineVideoSource> > mVSources;
nsTArray<nsRefPtr<MediaEngineAudioSource> > mASources;
};
}
#endif /* NSMEDIAENGINEDEFAULT_H_ */