RESOURCE_UTILIZATION in VideoFrameMetadata, a consumer feedback signal.

media/cast/sender/video_sender.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_CAST_SENDER_VIDEO_SENDER_H_
 #define MEDIA_CAST_SENDER_VIDEO_SENDER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 49 matching lines @@
   // the encoder does not have any such capability, returns null.
   scoped_ptr<VideoFrameFactory> CreateVideoFrameFactory();
 
  protected:
   int GetNumberOfFramesInEncoder() const final;
   base::TimeDelta GetInFlightMediaDuration() const final;
   void OnAck(uint32 frame_id) final;
 
  private:
   // Called by the |video_encoder_| with the next EncodedFrame to send.
-  void OnEncodedVideoFrame(int encoder_bitrate,
+  void OnEncodedVideoFrame(const scoped_refptr<media::VideoFrame>& video_frame,
+                           int encoder_bitrate,
                            scoped_ptr<SenderEncodedFrame> encoded_frame);
 
   // Encodes media::VideoFrame images into EncodedFrames.  Per configuration,
   // this will point to either the internal software-based encoder or a proxy to
   // a hardware-based encoder.
   scoped_ptr<VideoEncoder> video_encoder_;
 
   // The number of frames queued for encoding, but not yet sent.
   int frames_in_encoder_;
 
@@ skipping 19 matching lines @@
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<VideoSender> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoSender);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_SENDER_VIDEO_SENDER_H_