Add fraction loss in visualization tool.
Review-Url: https://codereview.webrtc.org/2204713005
Cr-Commit-Position: refs/heads/master@{#13644}
diff --git a/webrtc/tools/event_log_visualizer/analyzer.cc b/webrtc/tools/event_log_visualizer/analyzer.cc
index b1f8722..cb8455c 100644
--- a/webrtc/tools/event_log_visualizer/analyzer.cc
+++ b/webrtc/tools/event_log_visualizer/analyzer.cc
@@ -538,6 +538,23 @@
plot->SetTitle("Accumulated network latency change");
}
+// Plot the fraction of packets lost (as perceived by the loss-based BWE).
+void EventLogAnalyzer::CreateFractionLossGraph(Plot* plot) {
+ plot->series_list_.push_back(TimeSeries());
+ for (auto& bwe_update : bwe_loss_updates_) {
+ float x = static_cast<float>(bwe_update.timestamp - begin_time_) / 1000000;
+ float y = static_cast<float>(bwe_update.fraction_loss) / 255 * 100;
+ plot->series_list_.back().points.emplace_back(x, y);
+ }
+ plot->series_list_.back().label = "Fraction lost";
+ plot->series_list_.back().style = LINE_DOT_GRAPH;
+
+ plot->SetXAxis(0, call_duration_s_, "Time (s)", kLeftMargin, kRightMargin);
+ plot->SetSuggestedYAxis(0, 10, "Percent lost packets", kBottomMargin,
+ kTopMargin);
+ plot->SetTitle("Reported packet loss");
+}
+
// Plot the total bandwidth used by all RTP streams.
void EventLogAnalyzer::CreateTotalBitrateGraph(
PacketDirection desired_direction,