Parse FlexFEC RTP headers in Call and add integration with BWE.

webrtc/video/video_receive_stream.cc

 /*
  *  Copyright (c) 2013 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.
  */
 
 #include "webrtc/video/video_receive_stream.h"
 
 #include <stdlib.h>
 
 #include <set>
 #include <string>
 #include <utility>
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/optional.h"
 #include "webrtc/common_video/h264/profile_level_id.h"
 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
 #include "webrtc/modules/congestion_controller/include/congestion_controller.h"
+#include "webrtc/modules/rtp_rtcp/source/rtp_header_extension.h"
 #include "webrtc/modules/utility/include/process_thread.h"
 #include "webrtc/modules/video_coding/frame_object.h"
 #include "webrtc/modules/video_coding/include/video_coding.h"
 #include "webrtc/modules/video_coding/jitter_estimator.h"
 #include "webrtc/modules/video_coding/timing.h"
 #include "webrtc/modules/video_coding/utility/ivf_file_writer.h"
 #include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/system_wrappers/include/field_trial.h"
 #include "webrtc/video/call_stats.h"
 #include "webrtc/video/receive_statistics_proxy.h"
 #include "webrtc/video_receive_stream.h"
 #include "webrtc/voice_engine/include/voe_video_sync.h"
 
 namespace webrtc {
 
-static bool UseSendSideBwe(const VideoReceiveStream::Config& config) {
-  if (!config.rtp.transport_cc)
-    return false;
-  for (const auto& extension : config.rtp.extensions) {
-    if (extension.uri == RtpExtension::kTransportSequenceNumberUri)
-      return true;
-  }
-  return false;
-}
-
 std::string VideoReceiveStream::Decoder::ToString() const {
   std::stringstream ss;
   ss << "{decoder: " << (decoder ? "(VideoDecoder)" : "nullptr");
   ss << ", payload_type: " << payload_type;
   ss << ", payload_name: " << payload_name;
   ss << ", codec_params: {";
   for (const auto& it : codec_params)
     ss << it.first << ": " << it.second;
   ss << '}';
   ss << '}';
@@ skipping 142 matching lines @@
       clock_(Clock::GetRealTimeClock()),
       decode_thread_(DecodeThreadFunction, this, "DecodingThread"),
       congestion_controller_(congestion_controller),
       call_stats_(call_stats),
       video_receiver_(clock_, nullptr, this, this, this),
       stats_proxy_(&config_, clock_),
       timing_(new VCMTiming(clock_)),
       rtp_stream_receiver_(
           &video_receiver_,
           congestion_controller_->GetRemoteBitrateEstimator(
-              UseSendSideBwe(config_)),
+              CongestionController::UseSendSideBwe(
+                  config_.rtp.transport_cc,
+                  RtpHeaderExtensionMap(config_.rtp.extensions))),
           &transport_adapter_,
           call_stats_->rtcp_rtt_stats(),
           congestion_controller_->pacer(),
           packet_router,
           remb,
           &config_,
           &stats_proxy_,
           process_thread_,
           congestion_controller_->GetRetransmissionRateLimiter(),
           this,  // NackSender
@@ skipping 33 matching lines @@
   process_thread_->RegisterModule(&rtp_stream_sync_);
 }
 
 VideoReceiveStream::~VideoReceiveStream() {
   LOG(LS_INFO) << "~VideoReceiveStream: " << config_.ToString();
   Stop();
 
   process_thread_->DeRegisterModule(&rtp_stream_sync_);
   process_thread_->DeRegisterModule(&video_receiver_);
 
-  congestion_controller_->GetRemoteBitrateEstimator(UseSendSideBwe(config_))
+  congestion_controller_
+      ->GetRemoteBitrateEstimator(CongestionController::UseSendSideBwe(
+          config_.rtp.transport_cc,
+          RtpHeaderExtensionMap(config_.rtp.extensions)))
       ->RemoveStream(rtp_stream_receiver_.GetRemoteSsrc());
 }
 
 void VideoReceiveStream::SignalNetworkState(NetworkState state) {
   rtp_stream_receiver_.SignalNetworkState(state);
 }
 
 
 bool VideoReceiveStream::DeliverRtcp(const uint8_t* packet, size_t length) {
   return rtp_stream_receiver_.DeliverRtcp(packet, length);
@@ skipping 209 matching lines @@
     RequestKeyFrame();
   }
 }
 
 void VideoReceiveStream::RequestKeyFrame() {
   rtp_stream_receiver_.RequestKeyFrame();
 }
 
 }  // namespace internal
 }  // namespace webrtc