mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-26 11:45:37 +00:00
216 lines
6.6 KiB
C++
216 lines
6.6 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 "nsITimer.h"
|
|
|
|
#include "nsAutoPtr.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 "StreamTracks.h"
|
|
#ifdef MOZ_WEBRTC
|
|
#include "MediaEngineCameraVideoSource.h"
|
|
#endif
|
|
#include "MediaStreamGraph.h"
|
|
#include "MediaTrackConstraints.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace layers {
|
|
class ImageContainer;
|
|
} // namespace layers
|
|
|
|
class MediaEngineDefault;
|
|
|
|
/**
|
|
* The default implementation of the MediaEngine interface.
|
|
*/
|
|
class MediaEngineDefaultVideoSource : public nsITimerCallback,
|
|
#ifdef MOZ_WEBRTC
|
|
public MediaEngineCameraVideoSource
|
|
#else
|
|
public MediaEngineVideoSource
|
|
#endif
|
|
{
|
|
public:
|
|
MediaEngineDefaultVideoSource();
|
|
|
|
void GetName(nsAString&) const override;
|
|
void GetUUID(nsACString&) const override;
|
|
|
|
nsresult Allocate(const dom::MediaTrackConstraints &aConstraints,
|
|
const MediaEnginePrefs &aPrefs,
|
|
const nsString& aDeviceId,
|
|
const nsACString& aOrigin,
|
|
AllocationHandle** aOutHandle,
|
|
const char** aOutBadConstraint) override;
|
|
nsresult Deallocate(AllocationHandle* aHandle) override;
|
|
nsresult Start(SourceMediaStream*, TrackID, const PrincipalHandle&) override;
|
|
nsresult Stop(SourceMediaStream*, TrackID) override;
|
|
nsresult Restart(AllocationHandle* aHandle,
|
|
const dom::MediaTrackConstraints& aConstraints,
|
|
const MediaEnginePrefs &aPrefs,
|
|
const nsString& aDeviceId,
|
|
const char** aOutBadConstraint) override;
|
|
void SetDirectListeners(bool aHasDirectListeners) override {};
|
|
void NotifyPull(MediaStreamGraph* aGraph,
|
|
SourceMediaStream *aSource,
|
|
TrackID aId,
|
|
StreamTime aDesiredTime,
|
|
const PrincipalHandle& aPrincipalHandle) override;
|
|
uint32_t GetBestFitnessDistance(
|
|
const nsTArray<const NormalizedConstraintSet*>& aConstraintSets,
|
|
const nsString& aDeviceId) const override;
|
|
|
|
bool IsFake() override {
|
|
return true;
|
|
}
|
|
|
|
dom::MediaSourceEnum GetMediaSource() const override {
|
|
return dom::MediaSourceEnum::Camera;
|
|
}
|
|
|
|
nsresult TakePhoto(MediaEnginePhotoCallback* aCallback) override
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_DECL_THREADSAFE_ISUPPORTS
|
|
NS_DECL_NSITIMERCALLBACK
|
|
|
|
protected:
|
|
~MediaEngineDefaultVideoSource();
|
|
|
|
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).
|
|
Monitor mMonitor;
|
|
RefPtr<layers::Image> mImage;
|
|
|
|
RefPtr<layers::ImageContainer> mImageContainer;
|
|
|
|
MediaEnginePrefs mOpts;
|
|
int mCb;
|
|
int mCr;
|
|
};
|
|
|
|
class SineWaveGenerator;
|
|
|
|
class MediaEngineDefaultAudioSource : public MediaEngineAudioSource
|
|
{
|
|
public:
|
|
MediaEngineDefaultAudioSource();
|
|
|
|
void GetName(nsAString&) const override;
|
|
void GetUUID(nsACString&) const override;
|
|
|
|
nsresult Allocate(const dom::MediaTrackConstraints &aConstraints,
|
|
const MediaEnginePrefs &aPrefs,
|
|
const nsString& aDeviceId,
|
|
const nsACString& aOrigin,
|
|
AllocationHandle** aOutHandle,
|
|
const char** aOutBadConstraint) override;
|
|
nsresult Deallocate(AllocationHandle* aHandle) override;
|
|
nsresult Start(SourceMediaStream*, TrackID, const PrincipalHandle&) override;
|
|
nsresult Stop(SourceMediaStream*, TrackID) override;
|
|
nsresult Restart(AllocationHandle* aHandle,
|
|
const dom::MediaTrackConstraints& aConstraints,
|
|
const MediaEnginePrefs &aPrefs,
|
|
const nsString& aDeviceId,
|
|
const char** aOutBadConstraint) override;
|
|
void SetDirectListeners(bool aHasDirectListeners) override {};
|
|
void inline AppendToSegment(AudioSegment& aSegment,
|
|
TrackTicks aSamples,
|
|
const PrincipalHandle& aPrincipalHandle);
|
|
void NotifyPull(MediaStreamGraph* aGraph,
|
|
SourceMediaStream *aSource,
|
|
TrackID aId,
|
|
StreamTime aDesiredTime,
|
|
const PrincipalHandle& aPrincipalHandle) override;
|
|
|
|
void NotifyOutputData(MediaStreamGraph* aGraph,
|
|
AudioDataValue* aBuffer, size_t aFrames,
|
|
TrackRate aRate, uint32_t aChannels) override
|
|
{}
|
|
void NotifyInputData(MediaStreamGraph* aGraph,
|
|
const AudioDataValue* aBuffer, size_t aFrames,
|
|
TrackRate aRate, uint32_t aChannels) override
|
|
{}
|
|
void DeviceChanged() override
|
|
{}
|
|
bool IsFake() override {
|
|
return true;
|
|
}
|
|
|
|
dom::MediaSourceEnum GetMediaSource() const override {
|
|
return dom::MediaSourceEnum::Microphone;
|
|
}
|
|
|
|
nsresult TakePhoto(MediaEnginePhotoCallback* aCallback) override
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
uint32_t GetBestFitnessDistance(
|
|
const nsTArray<const NormalizedConstraintSet*>& aConstraintSets,
|
|
const nsString& aDeviceId) const override;
|
|
|
|
NS_DECL_THREADSAFE_ISUPPORTS
|
|
|
|
protected:
|
|
~MediaEngineDefaultAudioSource();
|
|
|
|
TrackID mTrackID;
|
|
|
|
TrackTicks mLastNotify; // Accessed in ::Start(), then on NotifyPull (from MSG thread)
|
|
|
|
// Created on Allocate, then accessed from NotifyPull (MSG thread)
|
|
nsAutoPtr<SineWaveGenerator> mSineGenerator;
|
|
};
|
|
|
|
|
|
class MediaEngineDefault : public MediaEngine
|
|
{
|
|
typedef MediaEngine Super;
|
|
public:
|
|
explicit MediaEngineDefault() : mMutex("mozilla::MediaEngineDefault") {}
|
|
|
|
void EnumerateVideoDevices(dom::MediaSourceEnum,
|
|
nsTArray<RefPtr<MediaEngineVideoSource> >*) override;
|
|
void EnumerateAudioDevices(dom::MediaSourceEnum,
|
|
nsTArray<RefPtr<MediaEngineAudioSource> >*) override;
|
|
void Shutdown() override {
|
|
MutexAutoLock lock(mMutex);
|
|
|
|
mVSources.Clear();
|
|
mASources.Clear();
|
|
};
|
|
|
|
private:
|
|
~MediaEngineDefault() {}
|
|
|
|
Mutex mMutex;
|
|
// protected with mMutex:
|
|
|
|
nsTArray<RefPtr<MediaEngineVideoSource> > mVSources;
|
|
nsTArray<RefPtr<MediaEngineAudioSource> > mASources;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif /* NSMEDIAENGINEDEFAULT_H_ */
|