Cast: Avoid retransmit if we sent the same packet recently (less than RTT)

media/cast/logging/logging_defines.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_CAST_LOGGING_LOGGING_DEFINES_H_
 #define MEDIA_CAST_LOGGING_LOGGING_DEFINES_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 14 matching lines @@
   FRAME_CAPTURE_END,
   FRAME_ENCODED,
   FRAME_ACK_RECEIVED,
   // Receiver side frame events.
   FRAME_ACK_SENT,
   FRAME_DECODED,
   FRAME_PLAYOUT,
   // Sender side packet events.
   PACKET_SENT_TO_NETWORK,
   PACKET_RETRANSMITTED,
+  PACKET_RTX_REJECTED,
   // Receiver side packet events.
   PACKET_RECEIVED,
   kNumOfLoggingEvents = PACKET_RECEIVED
 };
 
 const char* CastLoggingToString(CastLoggingEvent event);
 
 // CastLoggingEvent are classified into one of three following types.
 enum EventMediaType {
   AUDIO_EVENT,
@@ skipping 43 matching lines @@
   // Time of event logged.
   base::TimeTicks timestamp;
   CastLoggingEvent type;
   EventMediaType media_type;
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_LOGGING_LOGGING_DEFINES_H_