Add sent framerates to histogram stats:

webrtc/modules/video_coding/main/source/video_coding_impl.h

 /*
  *  Copyright (c) 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.
  */
 
@@ skipping 95 matching lines @@
   int32_t IntraFrameRequest(int stream_index);
   int32_t EnableFrameDropper(bool enable);
 
   void SuspendBelowMinBitrate();
   bool VideoSuspended() const;
 
   int64_t TimeUntilNextProcess();
   int32_t Process();
 
  private:
+
+  struct EncodedFrameStats {
+    EncodedFrameStats()
+        : sum_encode_time_ms(0),
+          max_encode_time_ms(-1),
+          encoded_frames(0) {}
+
+    void Update(int64_t encode_time_ms);
+    int64_t AvgEncodeTimeMs() {
+      return (encoded_frames > 0) ? (sum_encode_time_ms / encoded_frames) : -1;
+    }
+    int64_t MaxEncodeTimeMs() {
+      return (encoded_frames > 0) ? max_encode_time_ms : -1;
+    }
+
+   private:
+    int64_t sum_encode_time_ms;  // The total encode time of encoded frames.
+    int64_t max_encode_time_ms;  // The maximum encode time of encoded frames.
+    size_t encoded_frames;       // The number of encoded frames.
+  };
+
+  void UpdateHistograms();
   Clock* clock_;
 
   rtc::scoped_ptr<CriticalSectionWrapper> process_crit_sect_;
   CriticalSectionWrapper* _sendCritSect;
   VCMGenericEncoder* _encoder;
   VCMEncodedFrameCallback _encodedFrameCallback;
   std::vector<FrameType> _nextFrameTypes;
   media_optimization::MediaOptimization _mediaOpt;
   VCMSendStatisticsCallback* _sendStatsCallback;
   VCMCodecDataBase _codecDataBase;
   bool frame_dropper_enabled_;
   VCMProcessTimer _sendStatsTimer;
 
   // Must be accessed on the construction thread of VideoSender.
   VideoCodec current_codec_;
   rtc::ThreadChecker main_thread_;
 
   VCMQMSettingsCallback* const qm_settings_callback_;
   VCMProtectionCallback* protection_callback_;
+
+  EncodedFrameStats stats_;
 };
 
 class VideoReceiver {
  public:
   typedef VideoCodingModule::ReceiverRobustness ReceiverRobustness;
 
   VideoReceiver(Clock* clock, EventFactory* event_factory);
   ~VideoReceiver();
 
   int32_t RegisterReceiveCodec(const VideoCodec* receiveCodec,
@@ skipping 86 matching lines @@
 
   VCMCodecDataBase _codecDataBase GUARDED_BY(_receiveCritSect);
   VCMProcessTimer _receiveStatsTimer;
   VCMProcessTimer _retransmissionTimer;
   VCMProcessTimer _keyRequestTimer;
 };
 
 }  // namespace vcm
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_VIDEO_CODING_VIDEO_CODING_IMPL_H_