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

media/cast/transport/cast_transport_sender_impl.h

 // Copyright 2014 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_TRANSPORT_CAST_TRANSPORT_IMPL_H_
 #define MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_IMPL_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 49 matching lines @@
   virtual void SendRtcpFromRtpSender(uint32 packet_type_flags,
                                      uint32 ntp_seconds,
                                      uint32 ntp_fraction,
                                      uint32 rtp_timestamp,
                                      const RtcpDlrrReportBlock& dlrr,
                                      uint32 sending_ssrc,
                                      const std::string& c_name) OVERRIDE;
 
   virtual void ResendPackets(bool is_audio,
                              const MissingFramesAndPacketsMap& missing_packets,
-                             bool cancel_rtx_if_not_in_list)
+                             bool cancel_rtx_if_not_in_list,
+                             base::TimeDelta dedupe_window)
       OVERRIDE;
 
  private:
   // If |raw_events_callback_| is non-null, calls it with events collected
   // by |event_subscriber_| since last call.
   void SendRawEvents();
 
   base::TickClock* clock_;  // Not owned by this class.
   CastTransportStatusCallback status_callback_;
   scoped_refptr<base::SingleThreadTaskRunner> transport_task_runner_;
@@ skipping 19 matching lines @@
   BulkRawEventsCallback raw_events_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderImpl);
 };
 
 }  // namespace transport
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_IMPL_H_