Use separate rtp module lists for send and receive in PacketRouter.

webrtc/call/congestion_controller.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 153 matching lines @@
       pacer_thread_(ProcessThread::Create("PacerThread")),
       // Constructed last as this object calls the provided callback on
       // construction.
       bitrate_controller_(
           BitrateController::CreateBitrateController(Clock::GetRealTimeClock(),
                                                      bitrate_observer)),
       min_bitrate_bps_(RemoteBitrateEstimator::kDefaultMinBitrateBps) {
   call_stats_->RegisterStatsObserver(remote_bitrate_estimator_.get());
 
   pacer_thread_->RegisterModule(pacer_.get());
+  pacer_thread_->RegisterModule(remote_estimator_proxy_.get());
   pacer_thread_->Start();
 
-  process_thread->RegisterModule(remote_estimator_proxy_.get());
   process_thread->RegisterModule(remote_bitrate_estimator_.get());
   process_thread->RegisterModule(bitrate_controller_.get());
 }
 
 CongestionController::~CongestionController() {
   pacer_thread_->Stop();
   pacer_thread_->DeRegisterModule(pacer_.get());
+  pacer_thread_->DeRegisterModule(remote_estimator_proxy_.get());
   process_thread_->DeRegisterModule(bitrate_controller_.get());
   process_thread_->DeRegisterModule(remote_bitrate_estimator_.get());
-  process_thread_->DeRegisterModule(remote_estimator_proxy_.get());
   call_stats_->DeregisterStatsObserver(remote_bitrate_estimator_.get());
   if (transport_feedback_adapter_.get())
     call_stats_->DeregisterStatsObserver(transport_feedback_adapter_.get());
   RTC_DCHECK(!remb_->InUse());
   RTC_DCHECK(encoders_.empty());
 }
 
 void CongestionController::AddEncoder(ViEEncoder* encoder) {
   rtc::CritScope lock(&encoder_crit_);
   encoders_.push_back(encoder);
@@ skipping 86 matching lines @@
   }
 }
 
 void CongestionController::OnSentPacket(const rtc::SentPacket& sent_packet) {
   if (transport_feedback_adapter_) {
     transport_feedback_adapter_->OnSentPacket(sent_packet.packet_id,
                                               sent_packet.send_time_ms);
   }
 }
 }  // namespace webrtc