Make RTX pt/apt reconfigurable by calling WebRtcVideoChannel2::SetRecvParameters.

webrtc/logging/rtc_event_log/rtc_event_log_parser.cc

 /*
  *  Copyright (c) 2016 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 294 matching lines @@
   RTC_CHECK(receiver_config.has_remote_ssrc());
   config->rtp.remote_ssrc = receiver_config.remote_ssrc();
   RTC_CHECK(receiver_config.has_local_ssrc());
   config->rtp.local_ssrc = receiver_config.local_ssrc();
   // Get RTCP settings.
   RTC_CHECK(receiver_config.has_rtcp_mode());
   config->rtp.rtcp_mode = GetRuntimeRtcpMode(receiver_config.rtcp_mode());
   RTC_CHECK(receiver_config.has_remb());
   config->rtp.remb = receiver_config.remb();
   // Get RTX map.
-  config->rtp.rtx.clear();
+  config->rtp.rtx_payload_types.clear();
   for (int i = 0; i < receiver_config.rtx_map_size(); i++) {
     const rtclog::RtxMap& map = receiver_config.rtx_map(i);
     RTC_CHECK(map.has_payload_type());
     RTC_CHECK(map.has_config());
     RTC_CHECK(map.config().has_rtx_ssrc());
     RTC_CHECK(map.config().has_rtx_payload_type());
-    webrtc::VideoReceiveStream::Config::Rtp::Rtx rtx_pair;
-    rtx_pair.ssrc = map.config().rtx_ssrc();
-    rtx_pair.payload_type = map.config().rtx_payload_type();
-    config->rtp.rtx.insert(std::make_pair(map.payload_type(), rtx_pair));
+    config->rtp.rtx_ssrc = map.config().rtx_ssrc();

[terelius, 2017/01/23 12:52:01]

Check that all RTX-SSRCs are identical?

[brandtr, 2017/01/24 10:04:40]

WDYT about this approach?

+    config->rtp.rtx_payload_types.insert(
+        std::make_pair(map.payload_type(), map.config().rtx_payload_type()));
   }
   // Get header extensions.
   GetHeaderExtensions(&config->rtp.extensions,
                       receiver_config.header_extensions());
   // Get decoders.
   config->decoders.clear();
   for (int i = 0; i < receiver_config.decoders_size(); i++) {
     RTC_CHECK(receiver_config.decoders(i).has_name());
     RTC_CHECK(receiver_config.decoders(i).has_payload_type());
     VideoReceiveStream::Decoder decoder;
@@ skipping 112 matching lines @@
   if (fraction_loss != nullptr) {
     *fraction_loss = loss_event.fraction_loss();
   }
   RTC_CHECK(loss_event.has_total_packets());
   if (total_packets != nullptr) {
     *total_packets = loss_event.total_packets();
   }
 }
 
 }  // namespace webrtc