Structure of BBR's implementation,some main classes and functions which are going to be used

webrtc/modules/remote_bitrate_estimator/test/estimators/send_side.cc

 /*
  *  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.
  */
 
@@ skipping 51 matching lines @@
       int64_t now_ms = clock_->TimeInMilliseconds();
       if (now_ms - last_log_time_ms_ > 5000) {
         LOG(LS_WARNING) << "Ack arrived too late.";
         last_log_time_ms_ = now_ms;
       }
     }
   }
 
   int64_t rtt_ms =
       clock_->TimeInMilliseconds() - feedback.latest_send_time_ms();
+  // fprintf(stderr, "%ld\n", rtt_ms);

[philipel, 2017/05/30 09:43:38]

Undo this change

[gnish2, 2017/05/30 15:13:22]

Done.

   bwe_->OnRttUpdate(rtt_ms, rtt_ms);
   BWE_TEST_LOGGING_PLOT(1, "RTT", clock_->TimeInMilliseconds(), rtt_ms);
 
   DelayBasedBwe::Result result =
       bwe_->IncomingPacketFeedbackVector(packet_feedback_vector);
   if (result.updated)
     bitrate_controller_->OnDelayBasedBweResult(result);
 
   if (has_received_ack_) {
     int expected_packets = fb.packet_feedback_vector().back().sequence_number -
@@ skipping 80 matching lines @@
       packet_feedback_vector_.back().arrival_time_ms;
   FeedbackPacket* fb = new SendSideBweFeedback(
       flow_id_, now_ms * 1000, corrected_send_time_ms, packet_feedback_vector_);
   packet_feedback_vector_.clear();
   return fb;
 }
 
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc