[EXPERIMENTAL] Generic stereo codec with index header sending single frames

modules/rtp_rtcp/source/rtp_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 331 matching lines @@
   }
   if (payload_type_ == payload_type) {
     if (!audio_configured_) {
       *video_type = video_->VideoCodecType();
     }
     return 0;
   }
   std::map<int8_t, RtpUtility::Payload*>::iterator it =
       payload_type_map_.find(payload_type);
   if (it == payload_type_map_.end()) {
-    LOG(LS_WARNING) << "Payload type " << static_cast<int>(payload_type)
-                    << " not registered.";
+    LOG(LS_ERROR) << "Payload type " << static_cast<int>(payload_type)
+                  << " not registered.";
     return -1;
   }
   SetSendPayloadType(payload_type);
   RtpUtility::Payload* payload = it->second;
   RTC_DCHECK(payload);
   if (!payload->audio && !audio_configured_) {
     video_->SetVideoCodecType(payload->typeSpecific.Video.videoCodecType);
     *video_type = payload->typeSpecific.Video.videoCodecType;
   }
   return 0;
@@ skipping 942 matching lines @@
     rtc::CritScope lock(&send_critsect_);
     packet->SetTimestamp(last_rtp_timestamp_);
     packet->set_capture_time_ms(capture_time_ms_);
   }
   AssignSequenceNumber(packet.get());
   SendToNetwork(std::move(packet), StorageType::kDontRetransmit,
                 RtpPacketSender::Priority::kLowPriority);
 }
 
 }  // namespace webrtc