1 files changed, 98 insertions, 0 deletions
diff --git a/dom/media/webrtc/MediaEngineWebRTC.h b/dom/media/webrtc/MediaEngineWebRTC.h
new file mode 100644
index 0000000000..d7d87dcc76
--- /dev/null
+++ b/dom/media/webrtc/MediaEngineWebRTC.h
@@ -0,0 +1,98 @@
+/* -*- 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_ */