Cast: Deduplicate packets in paced sender and always send older packets first

media/cast/transport/rtcp/rtcp_builder.cc

 // 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.
 
 #include "media/cast/transport/rtcp/rtcp_builder.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 52 matching lines @@
   }
   if (packet_type_flags & kRtcpDlrr) {
     if (!BuildDlrrRb(dlrr, &packet->data)) return;
   }
   if (packet_type_flags & kRtcpSenderLog) {
     if (!BuildSenderLog(sender_log, &packet->data)) return;
   }
   if (packet->data.empty())
     return;  // Sanity - don't send empty packets.
 
-  transport_->SendRtcpPacket(packet);
+  transport_->SendRtcpPacket(ssrc_, packet);
 }
 
 bool RtcpBuilder::BuildSR(const RtcpSenderInfo& sender_info,
                           Packet* packet) const {
   // Sender report.
   size_t start_size = packet->size();
   if (start_size + 52 > kMaxIpPacketSize) {
     DLOG(FATAL) << "Not enough buffer space";
     return false;
   }
@@ skipping 159 matching lines @@
     big_endian_writer.WriteU8(static_cast<uint8>(message.rtp_timestamp >> 8));
     big_endian_writer.WriteU8(static_cast<uint8>(message.rtp_timestamp));
     ++it;
   }
   return true;
 }
 
 }  // namespace transport
 }  // namespace cast
 }  // namespace media