Enable BWE logging to command line when rtc_enable_bwe_test_logging is set to true

webrtc/modules/bitrate_controller/bitrate_controller_impl.cc

 /*
  *  Copyright (c) 2012 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.
  *
  */
 
 #include "webrtc/modules/bitrate_controller/bitrate_controller_impl.h"
 
 #include <algorithm>
 #include <map>
 #include <utility>
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
+#include "webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 
 namespace webrtc {
 
 class BitrateControllerImpl::RtcpBandwidthObserverImpl
     : public RtcpBandwidthObserver {
  public:
   explicit RtcpBandwidthObserverImpl(BitrateControllerImpl* owner)
       : owner_(owner) {
   }
@@ skipping 142 matching lines @@
   }
   MaybeTriggerOnNetworkChanged();
 }
 
 // This is called upon reception of REMB or TMMBR.
 void BitrateControllerImpl::OnReceiverEstimatedBitrate(uint32_t bitrate) {
   {
     rtc::CritScope cs(&critsect_);
     bandwidth_estimation_.UpdateReceiverEstimate(clock_->TimeInMilliseconds(),
                                                  bitrate);
+    BWE_TEST_LOGGING_PLOT(1, "REMB[kbps]", clock_->TimeInMilliseconds(),
+                          bitrate / 1000);
   }
   MaybeTriggerOnNetworkChanged();
 }
 
 void BitrateControllerImpl::OnProbeBitrate(uint32_t bitrate_bps) {
   {
     rtc::CritScope cs(&critsect_);
     bandwidth_estimation_.SetSendBitrate(bitrate_bps);
   }
   MaybeTriggerOnNetworkChanged();
@@ skipping 70 matching lines @@
   bool new_bitrate = false;
   if (*bitrate != last_bitrate_bps_ || *fraction_loss != last_fraction_loss_ ||
       *rtt != last_rtt_ms_ ||
       last_reserved_bitrate_bps_ != reserved_bitrate_bps_) {
     last_bitrate_bps_ = *bitrate;
     last_fraction_loss_ = *fraction_loss;
     last_rtt_ms_ = *rtt;
     last_reserved_bitrate_bps_ = reserved_bitrate_bps_;
     new_bitrate = true;
   }
+
+  BWE_TEST_LOGGING_PLOT(1, "fraction_loss_[%%]", clock_->TimeInMilliseconds(),
+                        (last_fraction_loss_ * 100) / 256);
+  BWE_TEST_LOGGING_PLOT(1, "rtt[ms]", clock_->TimeInMilliseconds(),
+                        last_rtt_ms_);
+  BWE_TEST_LOGGING_PLOT(1, "Target_bitrate[kbps]", clock_->TimeInMilliseconds(),
+                        last_bitrate_bps_ / 1000);
+
   return new_bitrate;
 }
 
 bool BitrateControllerImpl::AvailableBandwidth(uint32_t* bandwidth) const {
   rtc::CritScope cs(&critsect_);
   int bitrate;
   uint8_t fraction_loss;
   int64_t rtt;
   bandwidth_estimation_.CurrentEstimate(&bitrate, &fraction_loss, &rtt);
   if (bitrate > 0) {
     bitrate = bitrate - std::min<int>(bitrate, reserved_bitrate_bps_);
     bitrate = std::max(bitrate, bandwidth_estimation_.GetMinBitrate());
     *bandwidth = bitrate;
     return true;
   }
   return false;
 }
 }  // namespace webrtc