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

webrtc/modules/remote_bitrate_estimator/overuse_detector.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.
  */
 
@@ skipping 18 matching lines @@
 namespace webrtc {
 
 const char kAdaptiveThresholdExperiment[] = "WebRTC-AdaptiveBweThreshold";
 const char kEnabledPrefix[] = "Enabled";
 const size_t kEnabledPrefixLength = sizeof(kEnabledPrefix) - 1;
 const char kDisabledPrefix[] = "Disabled";
 const size_t kDisabledPrefixLength = sizeof(kDisabledPrefix) - 1;
 
 const double kMaxAdaptOffsetMs = 15.0;
 const double kOverUsingTimeThreshold = 10;
+const int kMinNumDeltas = 60;
 
 bool AdaptiveThresholdExperimentIsDisabled() {
   std::string experiment_string =
       webrtc::field_trial::FindFullName(kAdaptiveThresholdExperiment);
   const size_t kMinExperimentLength = kDisabledPrefixLength;
   if (experiment_string.length() < kMinExperimentLength)
     return false;
   return experiment_string.substr(0, kDisabledPrefixLength) == kDisabledPrefix;
 }
 
@@ skipping 36 matching lines @@
 
 BandwidthUsage OveruseDetector::Detect(double offset,
                                        double ts_delta,
                                        int num_of_deltas,
                                        int64_t now_ms) {
   if (num_of_deltas < 2) {
     return kBwNormal;
   }
   const double prev_offset = prev_offset_;
   prev_offset_ = offset;
-  const double T = std::min(num_of_deltas, 60) * offset;
-  BWE_TEST_LOGGING_PLOT(1, "offset", now_ms, T);
-  BWE_TEST_LOGGING_PLOT(1, "threshold", now_ms, threshold_);
+  const double T = std::min(num_of_deltas, kMinNumDeltas) * offset;
+  BWE_TEST_LOGGING_PLOT(1, "offset[ms]", now_ms, offset);
+  BWE_TEST_LOGGING_PLOT(1, "gamma[ms]", now_ms, threshold_ / kMinNumDeltas);
   if (T > threshold_) {
     if (time_over_using_ == -1) {
       // Initialize the timer. Assume that we've been
       // over-using half of the time since the previous
       // sample.
       time_over_using_ = ts_delta / 2;
     } else {
       // Increment timer
       time_over_using_ += ts_delta;
     }
@@ skipping 51 matching lines @@
   RTC_DCHECK(in_experiment_);
   double k_up = 0.0;
   double k_down = 0.0;
   overusing_time_threshold_ = kOverUsingTimeThreshold;
   if (ReadExperimentConstants(&k_up, &k_down)) {
     k_up_ = k_up;
     k_down_ = k_down;
   }
 }
 }  // namespace webrtc