CongestionController::SetBweBitrates may now trigger probing.

webrtc/modules/pacing/paced_sender.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 249 matching lines @@
       time_last_update_us_(clock->TimeInMicroseconds()),
       packets_(new paced_sender::PacketQueue(clock)),
       packet_counter_(0) {
   UpdateBytesPerInterval(kMinPacketLimitMs);
   prober_->ProbeAtBitrate(900000, 6);
   prober_->ProbeAtBitrate(1800000, 5);
 }
 
 PacedSender::~PacedSender() {}
 
+void PacedSender::ProbeAtBitrate(int bitrate_bps, int num_packets) {

[stefan-webrtc, 2016/08/16 11:48:39]

I still think "CreateProbeAtBitrate" would be better? :)

[philipel, 2016/08/16 13:04:32]

Changed to CreateProbeCluster

+  CriticalSectionScoped cs(critsect_.get());
+  prober_->ProbeAtBitrate(bitrate_bps, num_packets);
+}
+
 void PacedSender::Pause() {
   LOG(LS_INFO) << "PacedSender paused.";
   CriticalSectionScoped cs(critsect_.get());
   paused_ = true;
 }
 
 void PacedSender::Resume() {
   LOG(LS_INFO) << "PacedSender resumed.";
   CriticalSectionScoped cs(critsect_.get());
   paused_ = false;
@@ skipping 199 matching lines @@
     media_budget_->UseBudget(bytes_sent);
     padding_budget_->UseBudget(bytes_sent);
   }
 }
 
 void PacedSender::UpdateBytesPerInterval(int64_t delta_time_ms) {
   media_budget_->IncreaseBudget(delta_time_ms);
   padding_budget_->IncreaseBudget(delta_time_ms);
 }
 }  // namespace webrtc