Collecting encode_time_ms for each frame

webrtc/video/full_stack_plot.py

 #!/usr/bin/env python
 # Copyright (c) 2015 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.
 
 """Generate graphs for data generated by loopback tests.
@@ skipping 16 matching lines @@
 
 import argparse
 from collections import defaultdict
 import itertools
 import sys
 import matplotlib.pyplot as plt
 import numpy
 
 # Fields
 DROPPED = 0
-INPUT_TIME = 1              # ms
-SEND_TIME = 2               # ms
-RECV_TIME = 3               # ms
-ENCODED_FRAME_SIZE = 4      # bytes
-PSNR = 5
-SSIM = 6
-RENDER_TIME = 7             # ms
+INPUT_TIME = 1              # ms (timestamp)
+SEND_TIME = 2               # ms (timestamp)
+RECV_TIME = 3               # ms (timestamp)
+RENDER_TIME = 4             # ms (timestamp)
+ENCODED_FRAME_SIZE = 5      # bytes
+PSNR = 6
+SSIM = 7
+ENCODE_TIME = 8             # ms (time interval)
 
-TOTAL_RAW_FIELDS = 8
+TOTAL_RAW_FIELDS = 9
 
 SENDER_TIME = TOTAL_RAW_FIELDS + 0
 RECEIVER_TIME = TOTAL_RAW_FIELDS + 1
 END_TO_END = TOTAL_RAW_FIELDS + 2
 RENDERED_DELTA = TOTAL_RAW_FIELDS + 3
 
 FIELD_MASK = 255
 
 # Options
 HIDE_DROPPED = 256
 RIGHT_Y_AXIS = 512
 
 # internal field id, field name, title
 _fields = [
     # Raw
     (DROPPED, "dropped", "dropped"),
     (INPUT_TIME, "input_time_ms", "input time"),
     (SEND_TIME, "send_time_ms", "send time"),
     (RECV_TIME, "recv_time_ms", "recv time"),
     (ENCODED_FRAME_SIZE, "encoded_frame_size", "encoded frame size"),
     (PSNR, "psnr", "PSNR"),
     (SSIM, "ssim", "SSIM"),
     (RENDER_TIME, "render_time_ms", "render time"),
+    (ENCODE_TIME, "encode_time_ms", "encode time"),
     # Auto-generated
     (SENDER_TIME, "sender_time", "sender time"),
     (RECEIVER_TIME, "receiver_time", "receiver time"),
     (END_TO_END, "end_to_end", "end to end"),
     (RENDERED_DELTA, "rendered_delta", "rendered delta"),
 ]
 
 name_to_id = {field[1]: field[0] for field in _fields}
 id_to_title = {field[0]: field[2] for field in _fields}
 
@@ skipping 324 matching lines @@
     config.plot(ax)
     if config.output_filename:
       print "Saving to", config.output_filename
       fig.savefig(config.output_filename)
       plt.close(fig)
 
   plt.show()
 
 if __name__ == "__main__":
   show_or_save_plots(plot_configs_from_args(sys.argv[1:]))