Require negotiation to send transport cc feedback over RTCP.

talk/media/base/constants.h

 /*
  * libjingle
  * Copyright 2012 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 89 matching lines @@
 extern const int kPreferredSPropStereo;
 extern const int kPreferredStereo;
 extern const int kPreferredUseInbandFec;
 
 // rtcp-fb messages according to RFC 4585
 extern const char kRtcpFbParamNack[];
 extern const char kRtcpFbNackParamPli[];
 // rtcp-fb messages according to
 // http://tools.ietf.org/html/draft-alvestrand-rmcat-remb-00
 extern const char kRtcpFbParamRemb[];
+// rtcp-fb messages according to
+// https://tools.ietf.org/html/draft-holmer-rmcat-transport-wide-cc-extensions-01
+extern const char kRtcpFbParamTransportCc[];
 // ccm submessages according to RFC 5104
 extern const char kRtcpFbParamCcm[];
 extern const char kRtcpFbCcmParamFir[];
 // Google specific parameters
 extern const char kCodecParamMaxBitrate[];
 extern const char kCodecParamMinBitrate[];
 extern const char kCodecParamStartBitrate[];
 extern const char kCodecParamMaxQuantization[];
 extern const char kCodecParamPort[];
 
@@ skipping 52 matching lines @@
 extern const int kDefaultUlpfecType;
 extern const int kDefaultRtxVp8PlType;
 
 extern const int kDefaultVideoMaxWidth;
 extern const int kDefaultVideoMaxHeight;
 extern const int kDefaultVideoMaxFramerate;
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_BASE_CONSTANTS_H_