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 229 matching lines @@
   ExtractCommonSendProperties(info, report);
 
   report->AddString(StatsReport::kStatsValueNameCodecImplementationName,
                     info.encoder_implementation_name);
   report->AddBoolean(StatsReport::kStatsValueNameBandwidthLimitedResolution,
                      (info.adapt_reason & 0x2) > 0);
   report->AddBoolean(StatsReport::kStatsValueNameCpuLimitedResolution,
                      (info.adapt_reason & 0x1) > 0);
   report->AddBoolean(StatsReport::kStatsValueNameViewLimitedResolution,
                      (info.adapt_reason & 0x4) > 0);
+  if (info.qp_sum)
+    report->AddInt(StatsReport::kStatsValueNameQpSum, *info.qp_sum);
 
   const IntForAdd ints[] = {
     { StatsReport::kStatsValueNameAdaptationChanges, info.adapt_changes },
     { StatsReport::kStatsValueNameAvgEncodeMs, info.avg_encode_ms },
     { StatsReport::kStatsValueNameEncodeUsagePercent,
       info.encode_usage_percent },
     { StatsReport::kStatsValueNameFirsReceived, info.firs_rcvd },
     { StatsReport::kStatsValueNameFrameHeightSent, info.send_frame_height },
     { StatsReport::kStatsValueNameFrameRateInput, info.framerate_input },
     { StatsReport::kStatsValueNameFrameRateSent, info.framerate_sent },
@@ skipping 706 matching lines @@
     StatsReport* report = entry.second;
     report->set_timestamp(stats_gathering_started_);
   }
 }
 
 void StatsCollector::ClearUpdateStatsCacheForTest() {
   stats_gathering_started_ = 0;
 }
 
 }  // namespace webrtc