Enabling rtcp-rsize negotiation and fixing some issues with it.

webrtc/media/engine/webrtcvideoengine2.h

 /*
  *  Copyright (c) 2014 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 183 matching lines @@
     rtc::Optional<int> max_bandwidth_bps;
     rtc::Optional<bool> conference_mode;
     rtc::Optional<VideoOptions> options;
     rtc::Optional<webrtc::RtcpMode> rtcp_mode;
   };
 
   struct ChangedRecvParameters {
     // These optionals are unset if not changed.
     rtc::Optional<std::vector<VideoCodecSettings>> codec_settings;
     rtc::Optional<std::vector<webrtc::RtpExtension>> rtp_header_extensions;
-    rtc::Optional<webrtc::RtcpMode> rtcp_mode;
   };
 
   bool GetChangedSendParameters(const VideoSendParameters& params,
                                 ChangedSendParameters* changed_params) const;
   bool GetChangedRecvParameters(const VideoRecvParameters& params,
                                 ChangedRecvParameters* changed_params) const;
 
   bool MuteStream(uint32_t ssrc, bool mute);
 
   void SetMaxSendBandwidth(int bps);
@@ skipping 170 matching lines @@
         bool default_stream,
         const std::vector<VideoCodecSettings>& recv_codecs,
         bool disable_prerenderer_smoothing);
     ~WebRtcVideoReceiveStream();
 
     const std::vector<uint32_t>& GetSsrcs() const;
 
     void SetLocalSsrc(uint32_t local_ssrc);
     void SetFeedbackParameters(bool nack_enabled,
                                bool remb_enabled,
-                               bool transport_cc_enabled);
+                               bool transport_cc_enabled,
+                               webrtc::RtcpMode rtcp_mode);
     void SetRecvParameters(const ChangedRecvParameters& recv_params);
 
     void RenderFrame(const webrtc::VideoFrame& frame,
                      int time_to_render_ms) override;
     bool IsTextureSupported() const override;
     bool SmoothsRenderedFrames() const override;
     bool IsDefaultStream() const;
 
     void SetSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink);
 
@@ skipping 110 matching lines @@
   webrtc::Call::Config::BitrateConfig bitrate_config_;
   // TODO(deadbeef): Don't duplicate information between
   // send_params/recv_params, rtp_extensions, options, etc.
   VideoSendParameters send_params_;
   VideoRecvParameters recv_params_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENGINE2_H_