Add a chart for packet loss on incoming streams.

webrtc/tools/event_log_visualizer/analyzer.h

 /*
  *  Copyright (c) 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 50 matching lines @@
 
   void CreatePacketGraph(PacketDirection desired_direction, Plot* plot);
 
   void CreateAccumulatedPacketsGraph(PacketDirection desired_direction,
                                      Plot* plot);
 
   void CreatePlayoutGraph(Plot* plot);
 
   void CreateSequenceNumberGraph(Plot* plot);
 
+  void CreateIncomingPacketLossGraph(Plot* plot);
+
   void CreateDelayChangeGraph(Plot* plot);
 
   void CreateAccumulatedDelayChangeGraph(Plot* plot);
 
   void CreateFractionLossGraph(Plot* plot);
 
   void CreateTotalBitrateGraph(PacketDirection desired_direction, Plot* plot);
 
   void CreateStreamBitrateGraph(PacketDirection desired_direction, Plot* plot);
 
@@ skipping 22 matching lines @@
     webrtc::PacketDirection direction_;
   };
 
   template <typename T>
   void CreateAccumulatedPacketsTimeSeries(
       PacketDirection desired_direction,
       Plot* plot,
       const std::map<StreamId, std::vector<T>>& packets,
       const std::string& label_prefix);
 
-  bool IsRtxSsrc(StreamId stream_id);
+  bool IsRtxSsrc(StreamId stream_id) const;
 
-  bool IsVideoSsrc(StreamId stream_id);
+  bool IsVideoSsrc(StreamId stream_id) const;
 
-  bool IsAudioSsrc(StreamId stream_id);
+  bool IsAudioSsrc(StreamId stream_id) const;
+
+  std::string GetStreamName(StreamId) const;
 
   const ParsedRtcEventLog& parsed_log_;
 
   // A list of SSRCs we are interested in analysing.
   // If left empty, all SSRCs will be considered relevant.
   std::vector<uint32_t> desired_ssrc_;
 
   // Tracks what each stream is configured for. Note that a single SSRC can be
   // in several sets. For example, the SSRC used for sending video over RTX
   // will appear in both video_ssrcs_ and rtx_ssrcs_. In the unlikely case that
@@ skipping 25 matching lines @@
   uint64_t end_time_;
 
   // Duration (in seconds) of log file.
   float call_duration_s_;
 };
 
 }  // namespace plotting
 }  // namespace webrtc
 
 #endif  // WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_ANALYZER_H_