Move talk/app/webrtc to webrtc/api

webrtc/api/videosourceinterface.h

+/*
+ *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_API_VIDEOSOURCEINTERFACE_H_
+#define WEBRTC_API_VIDEOSOURCEINTERFACE_H_
+
+#include "talk/media/base/mediachannel.h"
+#include "webrtc/api/mediastreaminterface.h"
+
+namespace webrtc {
+
+// VideoSourceInterface is a reference counted source used for VideoTracks.
+// The same source can be used in multiple VideoTracks.
+// The methods are only supposed to be called by the PeerConnection
+// implementation.
+class VideoSourceInterface : public MediaSourceInterface {
+ public:
+  // Get access to the source implementation of cricket::VideoCapturer.
+  // This can be used for receiving frames and state notifications.
+  // But it should not be used for starting or stopping capturing.
+  virtual cricket::VideoCapturer* GetVideoCapturer() = 0;
+
+  // Stop the video capturer.
+  virtual void Stop() = 0;
+  virtual void Restart() = 0;
+
+  // Adds |output| to the source to receive frames.
+  virtual void AddSink(cricket::VideoRenderer* output) = 0;
+  virtual void RemoveSink(cricket::VideoRenderer* output) = 0;
+  virtual const cricket::VideoOptions* options() const = 0;
+  virtual cricket::VideoRenderer* FrameInput() = 0;
+
+ protected:
+  virtual ~VideoSourceInterface() {}
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_API_VIDEOSOURCEINTERFACE_H_