Extract bitrate allocation of spatial/temporal layers out of codec impl.

webrtc/modules/video_coding/include/video_bitrate_allocator_factory.h

 /*
  *  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.
  */
 
-#ifndef WEBRTC_TEST_FAKE_VIDEORENDERER_H_
-#define WEBRTC_TEST_FAKE_VIDEORENDERER_H_
+#ifndef WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_BITRATE_ALLOCATOR_FACTORY_H_
+#define WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_BITRATE_ALLOCATOR_FACTORY_H_
 
-#include "webrtc/media/base/videosinkinterface.h"
-#include "webrtc/video_frame.h"
+#include <memory>
 
 namespace webrtc {
-namespace test {
 
-class FakeVideoRenderer : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
+class VideoBitrateAllocator;
+struct VideoCodec;
+
+class VideoBitrateAllocatorFactory {

[perkj_webrtc, 2016/10/27 12:57:31]

Please add documementation.

[sprang_webrtc, 2016/11/01 18:03:16]

Done.

  public:
-  void OnFrame(const webrtc::VideoFrame& frame) override {}
+  static std::unique_ptr<VideoBitrateAllocator> GetBitrateAllocator(
+      VideoCodec* codec);
 };
 
-}  // namespace test
 }  // namespace webrtc
 
-#endif  // WEBRTC_TEST_FAKE_VIDEORENDERER_H_
+#endif  // WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_BITRATE_ALLOCATOR_FACTORY_H_