Add periodic logging of video stats.

webrtc/media/engine/webrtcvideoengine2.h

 /*
  *  Copyright (c) 2014 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 256 matching lines @@
                       const VideoOptions* options,
                       rtc::VideoSourceInterface<cricket::VideoFrame>* source);
     void DisconnectSource();
 
     void SetSend(bool send);
 
     // Implements webrtc::LoadObserver.
     void OnLoadUpdate(Load load) override;
 
     const std::vector<uint32_t>& GetSsrcs() const;
-    VideoSenderInfo GetVideoSenderInfo();
+    VideoSenderInfo GetVideoSenderInfo(bool log_stats);
     void FillBandwidthEstimationInfo(BandwidthEstimationInfo* bwe_info);
 
    private:
     // Parameters needed to reconstruct the underlying stream.
     // webrtc::VideoSendStream doesn't support setting a lot of options on the
     // fly, so when those need to be changed we tear down and reconstruct with
     // similar parameters depending on which options changed etc.
     struct VideoSendStreamParameters {
       VideoSendStreamParameters(
           const webrtc::VideoSendStream::Config& config,
@@ skipping 147 matching lines @@
                                bool remb_enabled,
                                bool transport_cc_enabled,
                                webrtc::RtcpMode rtcp_mode);
     void SetRecvParameters(const ChangedRecvParameters& recv_params);
 
     void OnFrame(const webrtc::VideoFrame& frame) override;
     bool IsDefaultStream() const;
 
     void SetSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink);
 
-    VideoReceiverInfo GetVideoReceiverInfo();
+    VideoReceiverInfo GetVideoReceiverInfo(bool log_stats);
 
     // Used to disable RED/FEC when the remote description doesn't contain those
     // codecs. This is needed to be able to work around an RTX bug which is only
     // happening if the remote side doesn't send RED, but the local side is
     // configured to receive RED.
     // TODO(holmer): Remove this after a couple of Chrome versions, M53-54
     // time frame.
     void SetFecDisabledRemotely(bool disable);
 
    private:
@@ skipping 51 matching lines @@
                const webrtc::PacketOptions& options) override;
   bool SendRtcp(const uint8_t* data, size_t len) override;
 
   static std::vector<VideoCodecSettings> MapCodecs(
       const std::vector<VideoCodec>& codecs);
   std::vector<VideoCodecSettings> FilterSupportedCodecs(
       const std::vector<VideoCodecSettings>& mapped_codecs) const;
   static bool ReceiveCodecsHaveChanged(std::vector<VideoCodecSettings> before,
                                        std::vector<VideoCodecSettings> after);
 
-  void FillSenderStats(VideoMediaInfo* info);
-  void FillReceiverStats(VideoMediaInfo* info);
+  void FillSenderStats(VideoMediaInfo* info, bool log_stats);
+  void FillReceiverStats(VideoMediaInfo* info, bool log_stats);
   void FillBandwidthEstimationStats(const webrtc::Call::Stats& stats,
                                     VideoMediaInfo* info);
 
   rtc::ThreadChecker thread_checker_;
 
   uint32_t rtcp_receiver_report_ssrc_;
   bool sending_;
   webrtc::Call* const call_;
 
   DefaultUnsignalledSsrcHandler default_unsignalled_ssrc_handler_;
@@ skipping 17 matching lines @@
   WebRtcVideoDecoderFactory* const external_decoder_factory_;
   std::vector<VideoCodecSettings> recv_codecs_;
   std::vector<webrtc::RtpExtension> recv_rtp_extensions_;
   webrtc::Call::Config::BitrateConfig bitrate_config_;
   // TODO(deadbeef): Don't duplicate information between
   // send_params/recv_params, rtp_extensions, options, etc.
   VideoSendParameters send_params_;
   VideoOptions default_send_options_;
   VideoRecvParameters recv_params_;
   bool red_disabled_by_remote_side_;
+  int64_t last_stats_log_ms_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENGINE2_H_