Added -show_detector_state which show the detector state in the total bitrate graph.

webrtc/tools/event_log_visualizer/plot_base.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.
  */
 #ifndef WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_
 #define WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 namespace webrtc {
 namespace plotting {
 
 enum PlotStyle {
   LINE_GRAPH,
   LINE_DOT_GRAPH,
   BAR_GRAPH,
   LINE_STEP_GRAPH,
-  DOT_GRAPH
+  DOT_GRAPH,
+  VSPAN_GRAPH
 };
 
 struct TimeSeriesPoint {
   TimeSeriesPoint(float x, float y) : x(x), y(y) {}
   float x;
   float y;
 };
 
 struct TimeSeries {
   TimeSeries() = default;
   TimeSeries(const char* label, PlotStyle style) : label(label), style(style) {}
   TimeSeries(const std::string& label, PlotStyle style)
       : label(label), style(style) {}
   TimeSeries(TimeSeries&& other)
       : label(std::move(other.label)),
         style(other.style),
+        color(other.color),
         points(std::move(other.points)) {}
   TimeSeries& operator=(TimeSeries&& other) {
     label = std::move(other.label);
     style = other.style;
+    color = other.color;
     points = std::move(other.points);
     return *this;
   }
 
   std::string label;
   PlotStyle style;
+  std::string color;
   std::vector<TimeSeriesPoint> points;
 };
 
 // A container that represents a general graph, with axes, title and one or
 // more data series. A subclass should define the output format by overriding
 // the Draw() method.
 class Plot {
  public:
   virtual ~Plot() {}
 
@@ skipping 64 matching lines @@
   virtual Plot* AppendNewPlot() = 0;
 
  protected:
   std::vector<std::unique_ptr<Plot> > plots_;
 };
 
 }  // namespace plotting
 }  // namespace webrtc
 
 #endif  // WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_