New rtc::VideoSinkInterface.

webrtc/media/base/videosinkinterface.h

 /*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *  Copyright (c) 2016 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.
  */
 
-#include "webrtc/sound/linuxsoundsystem.h"
-
-#include "webrtc/sound/alsasoundsystem.h"
-#include "webrtc/sound/pulseaudiosoundsystem.h"
+#ifndef WEBRTC_MEDIA_BASE_VIDEOSINKINTERFACE_H_
+#define WEBRTC_MEDIA_BASE_VIDEOSINKINTERFACE_H_
 
 namespace rtc {
 
-const SoundSystemCreator kLinuxSoundSystemCreators[] = {
-#ifdef HAVE_LIBPULSE
-  &PulseAudioSoundSystem::Create,
-#endif
-  &AlsaSoundSystem::Create,
+template <typename VideoFrameT>
+class VideoSinkInterface {
+ public:
+  virtual void OnFrame(const VideoFrameT& frame) = 0;
+
+ protected:
+  ~VideoSinkInterface() {}
 };
 
 }  // namespace rtc
+
+#endif  // WEBRTC_MEDIA_BASE_VIDEOSINKINTERFACE_H_