зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
3.3 KiB
C++
99 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 MEDIAENGINEWEBRTC_H_
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#define MEDIAENGINEWEBRTC_H_
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#include "AudioDeviceInfo.h"
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#include "CamerasChild.h"
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#include "CubebUtils.h"
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#include "DOMMediaStream.h"
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#include "MediaEngine.h"
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#include "MediaEnginePrefs.h"
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#include "MediaEngineSource.h"
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#include "MediaEngineWrapper.h"
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#include "MediaTrackGraph.h"
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#include "NullTransport.h"
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#include "VideoSegment.h"
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#include "VideoUtils.h"
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#include "CubebDeviceEnumerator.h"
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#include "ipc/IPCMessageUtils.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Sprintf.h"
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#include "mozilla/StaticMutex.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/MediaStreamTrackBinding.h"
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#include "nsCOMPtr.h"
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#include "nsComponentManagerUtils.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsRefPtrHashtable.h"
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#include "nsThreadUtils.h"
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#include "prcvar.h"
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#include "prthread.h"
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// WebRTC library includes follow
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// Video Engine
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// conflicts with #include of scoped_ptr.h
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#undef FF
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#include "webrtc/modules/video_capture/video_capture_defines.h"
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namespace mozilla {
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class MediaEngineWebRTC : public MediaEngine {
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typedef MediaEngine Super;
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public:
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explicit MediaEngineWebRTC(MediaEnginePrefs& aPrefs);
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// Enable periodic fake "devicechange" event. Must always be called from the
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// same thread, and must be disabled before shutdown.
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void SetFakeDeviceChangeEventsEnabled(bool aEnable) override;
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// Clients should ensure to clean-up sources video/audio sources
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// before invoking Shutdown on this class.
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void Shutdown() override;
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// Returns whether the host supports duplex audio track.
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bool SupportsDuplex();
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void EnumerateDevices(uint64_t aWindowId, dom::MediaSourceEnum, MediaSinkEnum,
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nsTArray<RefPtr<MediaDevice>>*) override;
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MediaEventSource<void>& DeviceListChangeEvent() override {
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return mDeviceListChangeEvent;
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}
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private:
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~MediaEngineWebRTC() = default;
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void EnumerateVideoDevices(uint64_t aWindowId,
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camera::CaptureEngine aCapEngine,
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nsTArray<RefPtr<MediaDevice>>*);
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void EnumerateMicrophoneDevices(uint64_t aWindowId,
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nsTArray<RefPtr<MediaDevice>>*);
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void EnumerateSpeakerDevices(uint64_t aWindowId,
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nsTArray<RefPtr<MediaDevice>>*);
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void DeviceListChanged() { mDeviceListChangeEvent.Notify(); }
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static void FakeDeviceChangeEventTimerTick(nsITimer* aTimer, void* aClosure);
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const bool mDelayAgnostic;
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const bool mExtendedFilter;
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// This also is set in the ctor and then never changed, but we can't make it
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// const because we pass it to a function that takes bool* in the ctor.
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bool mHasTabVideoSource;
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MediaEventListener mCameraListChangeListener;
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MediaEventListener mMicrophoneListChangeListener;
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MediaEventListener mSpeakerListChangeListener;
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MediaEventProducer<void> mDeviceListChangeEvent;
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nsCOMPtr<nsITimer> mFakeDeviceChangeEventTimer;
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};
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} // namespace mozilla
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#endif /* NSMEDIAENGINEWEBRTC_H_ */
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