Cast: Cap max receiver log size per rtcp packet to 200 bytes.

media/cast/rtcp/rtcp_sender.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/rtcp/rtcp_sender.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/big_endian.h"
@@ skipping 64 matching lines @@
   return lhs.event_timestamp < rhs.event_timestamp;
 }
 
 bool BuildRtcpReceiverLogMessage(
     const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events,
     size_t start_size,
     RtcpReceiverLogMessage* receiver_log_message,
     size_t* number_of_frames,
     size_t* total_number_of_messages_to_send,
     size_t* rtcp_log_size) {
-  size_t remaining_space = kMaxIpPacketSize - start_size;
+  size_t remaining_space =
+      std::min(kMaxReceiverLogBytes, kMaxIpPacketSize - start_size);
   if (remaining_space < kRtcpCastLogHeaderSize + kRtcpReceiverFrameLogSize +
                             kRtcpReceiverEventLogSize) {
     return false;
   }
 
   // We use this to do event timestamp sorting and truncating for events of
   // a single frame.
   std::vector<RtcpReceiverEventLogMessage> sorted_log_messages;
 
   // Account for the RTCP header for an application-defined packet.
@@ skipping 605 matching lines @@
     if (frame_log_messages.event_log_messages_.empty()) {
       // We sent all messages on this frame; pop the frame header.
       receiver_log_message.pop_front();
     }
   }
   DCHECK_EQ(total_number_of_messages_to_send, 0);
 }
 
 }  // namespace cast
 }  // namespace media