Introduce RtpStreamReceiver and RtpStreamReceiverControllerInterface.

webrtc/video/video_receive_stream.cc

Index: webrtc/video/video_receive_stream.cc
diff --git a/webrtc/video/video_receive_stream.cc b/webrtc/video/video_receive_stream.cc
index 0ce3794eb58e40142b7c99d25b0467e5b534689b..0e42ac9c9c2eff852e55151b2d6933577af288c1 100644
--- a/webrtc/video/video_receive_stream.cc
+++ b/webrtc/video/video_receive_stream.cc
@@ -21,6 +21,7 @@
 #include "webrtc/base/logging.h"
 #include "webrtc/base/optional.h"
 #include "webrtc/base/trace_event.h"
+#include "webrtc/call/rtp_transport_controller_receive_interface.h"
 #include "webrtc/common_types.h"
 #include "webrtc/common_video/h264/profile_level_id.h"
 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
@@ -169,6 +170,7 @@ VideoCodec CreateDecoderVideoCodec(const VideoReceiveStream::Decoder& decoder) {
 namespace internal {
 
 VideoReceiveStream::VideoReceiveStream(
+    RtpTransportControllerReceiveInterface* transport,
     int num_cpu_cores,
     PacketRouter* packet_router,
     VideoReceiveStream::Config config,
@@ -221,6 +223,14 @@ VideoReceiveStream::VideoReceiveStream(
 
   process_thread_->RegisterModule(&video_receiver_, RTC_FROM_HERE);
   process_thread_->RegisterModule(&rtp_stream_sync_, RTC_FROM_HERE);
+
+  // Register with transport.
+  rtp_transport_receiver_ =
+      transport->CreateReceiver(config_.rtp.remote_ssrc, &rtp_stream_receiver_);
+  if (config.rtp.rtx_ssrc) {
+    rtp_transport_receiver_rtx_ =
+        transport->CreateReceiver(config_.rtp.rtx_ssrc, &rtp_stream_receiver_);
+  }
 }
 
 VideoReceiveStream::~VideoReceiveStream() {
@@ -242,10 +252,6 @@ bool VideoReceiveStream::DeliverRtcp(const uint8_t* packet, size_t length) {
   return rtp_stream_receiver_.DeliverRtcp(packet, length);
 }
 
-void VideoReceiveStream::OnRtpPacket(const RtpPacketReceived& packet) {
-  rtp_stream_receiver_.OnRtpPacket(packet);
-}
-
 void VideoReceiveStream::SetSync(Syncable* audio_syncable) {
   RTC_DCHECK_RUN_ON(&worker_thread_checker_);
   rtp_stream_sync_.ConfigureSync(audio_syncable);