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e782a0379f
MozReview-Commit-ID: E8ZCmXEDxKs --HG-- extra : rebase_source : 5cab9cdb5cc1a67d6cf4c0b5c5c7caef5cfe7ea0
129 lines
4.4 KiB
C++
129 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et ft=cpp : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MEDIAENGINE_REMOTE_VIDEO_SOURCE_H_
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#define MEDIAENGINE_REMOTE_VIDEO_SOURCE_H_
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#include "prcvar.h"
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#include "prthread.h"
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#include "nsIThread.h"
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#include "nsIRunnable.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Monitor.h"
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#include "nsCOMPtr.h"
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#include "nsThreadUtils.h"
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#include "DOMMediaStream.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsComponentManagerUtils.h"
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// Avoid warnings about redefinition of WARN_UNUSED_RESULT
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#include "ipc/IPCMessageUtils.h"
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#include "VideoUtils.h"
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#include "MediaEngineCameraVideoSource.h"
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#include "VideoSegment.h"
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#include "AudioSegment.h"
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#include "StreamTracks.h"
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#include "MediaStreamGraph.h"
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#include "MediaEngineWrapper.h"
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#include "mozilla/dom/MediaStreamTrackBinding.h"
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// Camera Access via IPC
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#include "CamerasChild.h"
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#include "NullTransport.h"
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namespace mozilla {
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/**
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* The WebRTC implementation of the MediaEngine interface.
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*/
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class MediaEngineRemoteVideoSource : public MediaEngineCameraVideoSource,
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public camera::FrameRelay
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{
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typedef MediaEngineCameraVideoSource Super;
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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// Old ExternalRenderer
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void FrameSizeChange(unsigned int w, unsigned int h) override;
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// ExternalRenderer
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int DeliverFrame(uint8_t* buffer,
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const camera::VideoFrameProperties& properties) override;
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// MediaEngineCameraVideoSource
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MediaEngineRemoteVideoSource(int aIndex, mozilla::camera::CaptureEngine aCapEngine,
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dom::MediaSourceEnum aMediaSource,
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bool aScary = false,
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const char* aMonitorName = "RemoteVideo.Monitor");
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nsresult Allocate(const dom::MediaTrackConstraints& aConstraints,
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const MediaEnginePrefs& aPrefs,
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const nsString& aDeviceId,
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const mozilla::ipc::PrincipalInfo& aPrincipalInfo,
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AllocationHandle** aOutHandle,
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const char** aOutBadConstraint) override;
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nsresult Deallocate(AllocationHandle* aHandle) override;
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nsresult Start(SourceMediaStream*, TrackID, const PrincipalHandle&) override;
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nsresult Stop(SourceMediaStream*, TrackID) override;
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nsresult Restart(AllocationHandle* aHandle,
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const dom::MediaTrackConstraints& aConstraints,
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const MediaEnginePrefs &aPrefs,
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const nsString& aDeviceId,
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const char** aOutBadConstraint) override;
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void NotifyPull(MediaStreamGraph* aGraph,
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SourceMediaStream* aSource,
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TrackID aId,
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StreamTime aDesiredTime,
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const PrincipalHandle& aPrincipalHandle) override;
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dom::MediaSourceEnum GetMediaSource() const override {
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return mMediaSource;
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}
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bool ChooseCapability(
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const NormalizedConstraints &aConstraints,
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const MediaEnginePrefs &aPrefs,
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const nsString& aDeviceId,
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webrtc::CaptureCapability& aCapability,
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const DistanceCalculation aCalculate) override;
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void Refresh(int aIndex);
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void Shutdown() override;
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bool GetScary() const override { return mScary; }
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protected:
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~MediaEngineRemoteVideoSource() { }
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private:
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// Initialize the needed Video engine interfaces.
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void Init();
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size_t NumCapabilities() const override;
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void GetCapability(size_t aIndex, webrtc::CaptureCapability& aOut) const override;
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void SetLastCapability(const webrtc::CaptureCapability& aCapability);
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nsresult
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UpdateSingleSource(const AllocationHandle* aHandle,
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const NormalizedConstraints& aNetConstraints,
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const NormalizedConstraints& aNewConstraint,
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const MediaEnginePrefs& aPrefs,
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const nsString& aDeviceId,
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const char** aOutBadConstraint) override;
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dom::MediaSourceEnum mMediaSource; // source of media (camera | application | screen)
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mozilla::camera::CaptureEngine mCapEngine;
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// To only restart camera when needed, we keep track previous settings.
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webrtc::CaptureCapability mLastCapability;
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bool mScary;
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};
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}
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#endif /* MEDIAENGINE_REMOTE_VIDEO_SOURCE_H_ */
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