Add stats for average QP per frame for VP8 (for received video streams).

webrtc/video/video_receive_stream.h

 /*
  *  Copyright (c) 2013 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_VIDEO_VIDEO_RECEIVE_STREAM_H_
 #define WEBRTC_VIDEO_VIDEO_RECEIVE_STREAM_H_
 
 #include <vector>
 
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/call.h"
 #include "webrtc/call/transport_adapter.h"
 #include "webrtc/common_video/interface/incoming_video_stream.h"
 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
 #include "webrtc/modules/video_render/include/video_render_defines.h"
 #include "webrtc/system_wrappers/interface/clock.h"
 #include "webrtc/video/encoded_frame_callback_adapter.h"
 #include "webrtc/video/receive_statistics_proxy.h"
+#include "webrtc/video_encoder.h"
 #include "webrtc/video_engine/vie_channel.h"
 #include "webrtc/video_engine/vie_channel_group.h"
 #include "webrtc/video_engine/vie_encoder.h"
 #include "webrtc/video_receive_stream.h"
 
 namespace webrtc {
 
 class VoiceEngine;
 
 namespace internal {
 
 class VideoReceiveStream : public webrtc::VideoReceiveStream,
                            public I420FrameCallback,
-                           public VideoRenderCallback {
+                           public VideoRenderCallback,
+                           public EncodedImageCallback {
  public:
   VideoReceiveStream(int num_cpu_cores,
                      ChannelGroup* channel_group,
                      const VideoReceiveStream::Config& config,
                      webrtc::VoiceEngine* voice_engine,
                      ProcessThread* process_thread);
   ~VideoReceiveStream() override;
 
   // webrtc::ReceiveStream implementation.
   void Start() override;
   void Stop() override;
   void SignalNetworkState(NetworkState state) override;
   bool DeliverRtcp(const uint8_t* packet, size_t length) override;
   bool DeliverRtp(const uint8_t* packet,
                   size_t length,
                   const PacketTime& packet_time) override;
 
   // webrtc::VideoReceiveStream implementation.
   webrtc::VideoReceiveStream::Stats GetStats() const override;
 
   // Overrides I420FrameCallback.
   void FrameCallback(VideoFrame* video_frame) override;
 
   // Overrides VideoRenderCallback.
   int RenderFrame(const uint32_t /*stream_id*/,
                   const VideoFrame& video_frame) override;
 
+  // Overrides EncodedImageCallback.
+  int32_t Encoded(const EncodedImage& encoded_image,
+                  const CodecSpecificInfo* codec_specific_info,
+                  const RTPFragmentationHeader* fragmentation) override;
+
   const Config& config() const { return config_; }
 
   void SetSyncChannel(VoiceEngine* voice_engine, int audio_channel_id);
 
  private:
   TransportAdapter transport_adapter_;
   EncodedFrameCallbackAdapter encoded_frame_proxy_;
   const VideoReceiveStream::Config config_;
   Clock* const clock_;
 
   ChannelGroup* const channel_group_;
 
   rtc::scoped_ptr<IncomingVideoStream> incoming_video_stream_;
   rtc::scoped_ptr<ReceiveStatisticsProxy> stats_proxy_;
   rtc::scoped_ptr<ViEChannel> vie_channel_;
 };
 }  // namespace internal
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_VIDEO_RECEIVE_STREAM_H_