Add NetEq delay plotting to event_log_visualizer

webrtc/tools/event_log_visualizer/main.cc

Index: webrtc/tools/event_log_visualizer/main.cc
diff --git a/webrtc/tools/event_log_visualizer/main.cc b/webrtc/tools/event_log_visualizer/main.cc
index b9edd99fa3339f47f5289d802d08f72560bbaf54..91d599f2b31e481798f922e4a8c1dce416cd2063 100644
--- a/webrtc/tools/event_log_visualizer/main.cc
+++ b/webrtc/tools/event_log_visualizer/main.cc
@@ -13,6 +13,7 @@
 #include "webrtc/base/flags.h"
 #include "webrtc/logging/rtc_event_log/rtc_event_log_parser.h"
 #include "webrtc/test/field_trial.h"
+#include "webrtc/test/testsupport/fileutils.h"
 #include "webrtc/tools/event_log_visualizer/analyzer.h"
 #include "webrtc/tools/event_log_visualizer/plot_base.h"
 #include "webrtc/tools/event_log_visualizer/plot_python.h"
@@ -77,6 +78,9 @@ DEFINE_bool(audio_encoder_dtx, false, "Plot the audio encoder DTX.");
 DEFINE_bool(audio_encoder_num_channels,
             false,
             "Plot the audio encoder number of channels.");
+DEFINE_bool(plot_audio_jitter_buffer,
+            false,
+            "Plot the audio jitter buffer delay profile.");
 DEFINE_string(
     force_fieldtrials,
     "",
@@ -105,6 +109,7 @@ int main(int argc, char* argv[]) {
     return 0;
   }
 
+  webrtc::test::SetExecutablePath(argv[0]);

[hlundin-webrtc, 2017/06/08 09:54:55]

This is needed to make webrtc::test::ResourcePath work.

   webrtc::test::InitFieldTrialsFromString(FLAG_force_fieldtrials);
 
   std::string filename = argv[1];
@@ -231,6 +236,14 @@ int main(int argc, char* argv[]) {
     analyzer.CreateAudioEncoderNumChannelsGraph(collection->AppendNewPlot());
   }
 
+  if (FLAG_plot_all || FLAG_plot_audio_jitter_buffer) {
+    analyzer.CreateAudioJitterBufferGraph(
+        webrtc::test::ResourcePath(
+            "audio_processing/conversational_speech/EN_script2_F_sp2_B1",
+            "wav"),
+        48000, collection->AppendNewPlot());
+  }
+
   collection->Draw();
 
   return 0;