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

webrtc/logging/rtc_event_log/rtc_event_log_parser.cc

Index: webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc b/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
index ce55a4fb39b740a422eda7b874a8a000f88e4601..b550b751bccab4554e5d47f03355cb158078d771 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
@@ -312,17 +312,16 @@ void ParsedRtcEventLog::GetVideoReceiveConfig(
   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,