Reland of Use RtxReceiveStream.

webrtc/call/video_receive_stream.h

 /*
  *  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.
  */
 
@@ skipping 149 matching lines @@
       // See draft-alvestrand-rmcat-remb for information.
       bool remb = false;
 
       // See draft-holmer-rmcat-transport-wide-cc-extensions for details.
       bool transport_cc = false;
 
       // See NackConfig for description.
       NackConfig nack;
 
       // See UlpfecConfig for description.
+      // TODO(nisse): UlpfecConfig includes the field red_rtx_payload_type,
+      // which duplicates info in the rtx_associated_payload_types mapping. So
+      // delete the use of UlpfecConfig here, and replace by the values which
+      // make sense in this context, likely those are ulpfec_payload_type_ and
+      // red_payload_type_.
       UlpfecConfig ulpfec;
 
       // SSRC for retransmissions.
       uint32_t rtx_ssrc = 0;
 
       // Set if the stream is protected using FlexFEC.
       bool protected_by_flexfec = false;
 
       // Map from rtx payload type -> media payload type.
       // For RTX to be enabled, both an SSRC and this mapping are needed.
@@ skipping 66 matching lines @@
   virtual void AddSecondarySink(RtpPacketSinkInterface* sink) = 0;
   virtual void RemoveSecondarySink(const RtpPacketSinkInterface* sink) = 0;
 
  protected:
   virtual ~VideoReceiveStream() {}
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_CALL_VIDEO_RECEIVE_STREAM_H_