RTCMediaStreamTrackStats.kind added and collected.

webrtc/api/rtcstatscollector.cc

 /*
  *  Copyright 2016 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 336 matching lines @@
     // Audio Tracks
     for (const rtc::scoped_refptr<AudioTrackInterface>& audio_track :
          stream->GetAudioTracks()) {
       std::string id = RTCMediaStreamTrackStatsIDFromTrackID(
           audio_track->id(), is_local);
       if (report->Get(id)) {
         // Skip track, stats already exist for it.
         continue;
       }
       std::unique_ptr<RTCMediaStreamTrackStats> audio_track_stats(
-          new RTCMediaStreamTrackStats(id, timestamp_us));
+          new RTCMediaStreamTrackStats(id, timestamp_us,
+                                       RTCMediaStreamTrackKind::kAudio));
       stream_stats->track_ids->push_back(audio_track_stats->id());
       SetMediaStreamTrackStatsFromMediaStreamTrackInterface(
           *audio_track.get(),
           audio_track_stats.get());
       audio_track_stats->remote_source = !is_local;
       audio_track_stats->detached = false;
       int signal_level;
       if (audio_track->GetSignalLevel(&signal_level)) {
         // Convert signal level from [0,32767] int to [0,1] double.
         RTC_DCHECK_GE(signal_level, 0);
@@ skipping 17 matching lines @@
     // Video Tracks
     for (const rtc::scoped_refptr<VideoTrackInterface>& video_track :
          stream->GetVideoTracks()) {
       std::string id = RTCMediaStreamTrackStatsIDFromTrackID(
           video_track->id(), is_local);
       if (report->Get(id)) {
         // Skip track, stats already exist for it.
         continue;
       }
       std::unique_ptr<RTCMediaStreamTrackStats> video_track_stats(
-          new RTCMediaStreamTrackStats(id, timestamp_us));
+          new RTCMediaStreamTrackStats(id, timestamp_us,
+                                       RTCMediaStreamTrackKind::kVideo));
       stream_stats->track_ids->push_back(video_track_stats->id());
       SetMediaStreamTrackStatsFromMediaStreamTrackInterface(
           *video_track.get(),
           video_track_stats.get());
       video_track_stats->remote_source = !is_local;
       video_track_stats->detached = false;
       if (video_track->GetSource()) {
         VideoTrackSourceInterface::Stats video_track_source_stats;
         if (video_track->GetSource()->GetStats(&video_track_source_stats)) {
           video_track_stats->frame_width = static_cast<uint32_t>(
@@ skipping 666 matching lines @@
     const std::string& type) {
   return CandidateTypeToRTCIceCandidateType(type);
 }
 
 const char* DataStateToRTCDataChannelStateForTesting(
     DataChannelInterface::DataState state) {
   return DataStateToRTCDataChannelState(state);
 }
 
 }  // namespace webrtc