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