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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 MEDIAENGINE_REMOTE_VIDEO_SOURCE_H_
#define MEDIAENGINE_REMOTE_VIDEO_SOURCE_H_
#include "prcvar.h"
#include "prthread.h"
#include "nsIThread.h"
#include "nsIRunnable.h"
#include "mozilla/Mutex.h"
#include "mozilla/Monitor.h"
#include "nsCOMPtr.h"
#include "nsThreadUtils.h"
#include "DOMMediaStream.h"
#include "nsDirectoryServiceDefs.h"
#include "nsComponentManagerUtils.h"
#include "VideoUtils.h"
#include "MediaEngineCameraVideoSource.h"
#include "VideoSegment.h"
#include "AudioSegment.h"
#include "StreamTracks.h"
#include "MediaStreamGraph.h"
#include "MediaEngineWrapper.h"
#include "mozilla/dom/MediaStreamTrackBinding.h"
// WebRTC library includes follow
#include "webrtc/common.h"
#include "webrtc/video_engine/include/vie_capture.h"
#include "webrtc/video_engine/include/vie_render.h"
#include "CamerasChild.h"
#include "NullTransport.h"
namespace webrtc {
class I420VideoFrame;
}
namespace mozilla {
/**
* The WebRTC implementation of the MediaEngine interface.
*/
class MediaEngineRemoteVideoSource : public MediaEngineCameraVideoSource,
public webrtc::ExternalRenderer
{
typedef MediaEngineCameraVideoSource Super;
public:
NS_DECL_THREADSAFE_ISUPPORTS
// ExternalRenderer
int FrameSizeChange(unsigned int w, unsigned int h,
unsigned int streams) override;
int DeliverFrame(unsigned char* buffer,
size_t size,
uint32_t time_stamp,
int64_t ntp_time,
int64_t render_time,
void *handle) override;
// XXX!!!! FIX THIS
int DeliverI420Frame(const webrtc::I420VideoFrame& webrtc_frame) override { return 0; };
bool IsTextureSupported() override { return false; };
// MediaEngineCameraVideoSource
MediaEngineRemoteVideoSource(int aIndex, mozilla::camera::CaptureEngine aCapEngine,
dom::MediaSourceEnum aMediaSource,
bool aScary = false,
const char* aMonitorName = "RemoteVideo.Monitor");
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 NotifyPull(MediaStreamGraph* aGraph,
SourceMediaStream* aSource,
TrackID aId,
StreamTime aDesiredTime,
const PrincipalHandle& aPrincipalHandle) override;
dom::MediaSourceEnum GetMediaSource() const override {
return mMediaSource;
}
bool ChooseCapability(const NormalizedConstraints &aConstraints,
const MediaEnginePrefs &aPrefs,
const nsString& aDeviceId) override;
void Refresh(int aIndex);
void Shutdown() override;
bool GetScary() const override { return mScary; }
protected:
~MediaEngineRemoteVideoSource() { }
private:
// Initialize the needed Video engine interfaces.
void Init();
size_t NumCapabilities() const override;
void GetCapability(size_t aIndex, webrtc::CaptureCapability& aOut) const override;
void SetLastCapability(const webrtc::CaptureCapability& aCapability);
nsresult
UpdateSingleSource(const AllocationHandle* aHandle,
const NormalizedConstraints& aNetConstraints,
const MediaEnginePrefs& aPrefs,
const nsString& aDeviceId,
const char** aOutBadConstraint) override;
dom::MediaSourceEnum mMediaSource; // source of media (camera | application | screen)
mozilla::camera::CaptureEngine mCapEngine;
// To only restart camera when needed, we keep track previous settings.
webrtc::CaptureCapability mLastCapability;
bool mScary;
};
}
#endif /* MEDIAENGINE_REMOTE_VIDEO_SOURCE_H_ */
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