Implement qpSum stat for video send ssrc stats.

webrtc/api/statscollector.cc

 /*
  *  Copyright 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 245 matching lines @@
     { StatsReport::kStatsValueNameFirsReceived, info.firs_rcvd },
     { StatsReport::kStatsValueNameFrameHeightSent, info.send_frame_height },
     { StatsReport::kStatsValueNameFrameRateInput, info.framerate_input },
     { StatsReport::kStatsValueNameFrameRateSent, info.framerate_sent },
     { StatsReport::kStatsValueNameFrameWidthSent, info.send_frame_width },
     { StatsReport::kStatsValueNameNacksReceived, info.nacks_rcvd },
     { StatsReport::kStatsValueNamePacketsLost, info.packets_lost },
     { StatsReport::kStatsValueNamePacketsSent, info.packets_sent },
     { StatsReport::kStatsValueNamePlisReceived, info.plis_rcvd },
     { StatsReport::kStatsValueNameFramesEncoded, info.frames_encoded },
+    { StatsReport::kStatsValueNameQpSum, info.qp_sum },
   };
 
   for (const auto& i : ints)
     report->AddInt(i.name, i.value);
   report->AddString(StatsReport::kStatsValueNameMediaType, "video");
 }
 
 void ExtractStats(const cricket::BandwidthEstimationInfo& info,
                   double stats_gathering_started,
                   PeerConnectionInterface::StatsOutputLevel level,
@@ skipping 690 matching lines @@
     StatsReport* report = entry.second;
     report->set_timestamp(stats_gathering_started_);
   }
 }
 
 void StatsCollector::ClearUpdateStatsCacheForTest() {
   stats_gathering_started_ = 0;
 }
 
 }  // namespace webrtc