Improvements to UI to python event log analyzer tool.

webrtc/tools/py_event_log_analyzer/rtp_analyzer.py

 #  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.
 
 """Displays statistics and plots graphs from RTC protobuf dump."""
 
@@ skipping 76 matching lines @@
     ]))
 
   def choose_ssrc(self):
     """Queries user for SSRC."""
 
     if len(self.ssrc_frequencies) == 1:
       chosen_ssrc = self.ssrc_frequencies[0][-1]
       self.print_ssrc_info("", chosen_ssrc)
       return chosen_ssrc
 
-    for (i, ssrc) in enumerate(self.ssrc_frequencies):
+    ssrc_is_incoming = misc.ssrc_directions(self.data_points)
+    incoming = [ssrc for ssrc in ssrc_is_incoming if ssrc_is_incoming[ssrc]]
+    outgoing = [ssrc for ssrc in ssrc_is_incoming if not ssrc_is_incoming[ssrc]]
+
+    print("\nIncoming:\n")
+    for (i, ssrc) in enumerate(incoming):
       self.print_ssrc_info(i, ssrc)
 
+    print("\nOutgoing:\n")
+    for (i, ssrc) in enumerate(outgoing):
+      self.print_ssrc_info(i + len(incoming), ssrc)
+
     while True:
       chosen_index = int(misc.get_input("choose one> "))
       if 0 <= chosen_index < len(self.ssrc_frequencies):
-        return list(self.ssrc_frequencies)[chosen_index]
+        return (incoming + outgoing)[chosen_index]
       else:
         print("Invalid index!")
 
   def filter_ssrc(self, chosen_ssrc):
     """Filters and wraps data points.
 
     Removes data points with `ssrc != chosen_ssrc`. Unwraps sequence
     numbers and timestamps for the chosen selection.
     """
     self.data_points = [point for point in self.data_points if
@@ skipping 208 matching lines @@
   print("Statistics:")
   rtp_stats.print_sequence_number_statistics()
   rtp_stats.estimate_frequency(options.query_sample_rate)
   rtp_stats.print_duration_statistics()
   rtp_stats.remove_reordered()
   rtp_stats.compute_bandwidth()
   rtp_stats.plot_statistics()
 
 if __name__ == "__main__":
   main()