Add periodic logging of video stats.

webrtc/video/send_statistics_proxy_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 27 matching lines @@
         max_delay_ms_(0) {}
   virtual ~SendStatisticsProxyTest() {}
 
  protected:
   virtual void SetUp() {
     metrics::Reset();
     statistics_proxy_.reset(new SendStatisticsProxy(
         &fake_clock_, GetTestConfig(),
         VideoEncoderConfig::ContentType::kRealtimeVideo));
     expected_ = VideoSendStream::Stats();
+    for (const auto& ssrc : config_.rtp.ssrcs)
+      expected_.substreams[ssrc].is_rtx = false;
+    for (const auto& ssrc : config_.rtp.rtx.ssrcs)
+      expected_.substreams[ssrc].is_rtx = true;
   }
 
   VideoSendStream::Config GetTestConfig() {
     VideoSendStream::Config config(nullptr);
     config.rtp.ssrcs.push_back(kFirstSsrc);
     config.rtp.ssrcs.push_back(kSecondSsrc);
     config.rtp.rtx.ssrcs.push_back(kFirstRtxSsrc);
     config.rtp.rtx.ssrcs.push_back(kSecondRtxSsrc);
     config.rtp.fec.red_payload_type = 17;
     return config;
   }
 
   void ExpectEqual(VideoSendStream::Stats one, VideoSendStream::Stats other) {
     EXPECT_EQ(one.input_frame_rate, other.input_frame_rate);
     EXPECT_EQ(one.encode_frame_rate, other.encode_frame_rate);
     EXPECT_EQ(one.media_bitrate_bps, other.media_bitrate_bps);
     EXPECT_EQ(one.suspended, other.suspended);
 
     EXPECT_EQ(one.substreams.size(), other.substreams.size());
     for (std::map<uint32_t, VideoSendStream::StreamStats>::const_iterator it =
              one.substreams.begin();
          it != one.substreams.end(); ++it) {
       std::map<uint32_t, VideoSendStream::StreamStats>::const_iterator
           corresponding_it = other.substreams.find(it->first);
       ASSERT_TRUE(corresponding_it != other.substreams.end());
       const VideoSendStream::StreamStats& a = it->second;
       const VideoSendStream::StreamStats& b = corresponding_it->second;
 
+      EXPECT_EQ(a.is_rtx, b.is_rtx);
       EXPECT_EQ(a.frame_counts.key_frames, b.frame_counts.key_frames);
       EXPECT_EQ(a.frame_counts.delta_frames, b.frame_counts.delta_frames);
       EXPECT_EQ(a.total_bitrate_bps, b.total_bitrate_bps);
       EXPECT_EQ(a.avg_delay_ms, b.avg_delay_ms);
       EXPECT_EQ(a.max_delay_ms, b.max_delay_ms);
 
       EXPECT_EQ(a.rtp_stats.transmitted.payload_bytes,
                 b.rtp_stats.transmitted.payload_bytes);
       EXPECT_EQ(a.rtp_stats.transmitted.header_bytes,
                 b.rtp_stats.transmitted.header_bytes);
@@ skipping 634 matching lines @@
 
   EXPECT_EQ(
       1, metrics::NumSamples("WebRTC.Video.Screenshare.FecBitrateSentInKbps"));
   EXPECT_EQ(1, metrics::NumEvents(
                    "WebRTC.Video.Screenshare.FecBitrateSentInKbps",
                    static_cast<int>((rtx_counters.fec.TotalBytes() * 2 * 8) /
                                     metrics::kMinRunTimeInSeconds / 1000)));
 }
 
 }  // namespace webrtc