Always ResetSenderCongestionControlObjects before RegisterEtc...

webrtc/audio/audio_send_stream.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 153 matching lines @@
   const ExtensionIds old_ids = find_extension_ids(old_config.rtp.extensions);
   const ExtensionIds new_ids = find_extension_ids(new_config.rtp.extensions);
   // Audio level indication
   if (first_time || new_ids.audio_level != old_ids.audio_level) {
     channel_proxy->SetSendAudioLevelIndicationStatus(new_ids.audio_level != 0,
                                                      new_ids.audio_level);
   }
   // Transport sequence number
   if (first_time ||
       new_ids.transport_sequence_number != old_ids.transport_sequence_number) {
-    if (old_ids.transport_sequence_number) {
+    if (!first_time) {
       channel_proxy->ResetSenderCongestionControlObjects();
       stream->bandwidth_observer_.reset();
     }
 
     if (new_ids.transport_sequence_number != 0) {
       channel_proxy->EnableSendTransportSequenceNumber(
           new_ids.transport_sequence_number);
       stream->transport_->send_side_cc()->EnablePeriodicAlrProbing(true);
       stream->bandwidth_observer_.reset(stream->transport_->send_side_cc()
                                             ->GetBitrateController()
@@ skipping 421 matching lines @@
     if (rtp_rtcp_module_->RegisterSendPayload(codec) != 0) {
       LOG(LS_ERROR) << "RegisterCngPayloadType() failed to register CN to "
                        "RTP/RTCP module";
     }
   }
 }
 
 
 }  // namespace internal
 }  // namespace webrtc