Style fixes in rtcp_packet/

webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbr.cc

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 25 matching lines @@
 // The Feedback Control Information (FCI) for the TMMBR
 // consists of one or more FCI entries.
 // FCI:
 //   0                   1                   2                   3
 //   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //  |                              SSRC                             |
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //  | MxTBR Exp |  MxTBR Mantissa                 |Measured Overhead|
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Tmmbr::Tmmbr() = default;
+
+Tmmbr::~Tmmbr() = default;
+
 bool Tmmbr::Parse(const CommonHeader& packet) {
   RTC_DCHECK_EQ(packet.type(), kPacketType);
   RTC_DCHECK_EQ(packet.fmt(), kFeedbackMessageType);
 
   if (packet.payload_size_bytes() < kCommonFeedbackLength + TmmbItem::kLength) {
     LOG(LS_WARNING) << "Payload length " << packet.payload_size_bytes()
                     << " is too small for a TMMBR.";
     return false;
   }
   size_t items_size_bytes = packet.payload_size_bytes() - kCommonFeedbackLength;
@@ skipping 12 matching lines @@
       return false;
     next_item += TmmbItem::kLength;
   }
   return true;
 }
 
 void Tmmbr::AddTmmbr(const TmmbItem& item) {
   items_.push_back(item);
 }
 
+size_t Tmmbr::BlockLength() const {
+  return kHeaderLength + kCommonFeedbackLength +
+         TmmbItem::kLength * items_.size();
+}
+
 bool Tmmbr::Create(uint8_t* packet,
                    size_t* index,
                    size_t max_length,
                    RtcpPacket::PacketReadyCallback* callback) const {
   RTC_DCHECK(!items_.empty());
   while (*index + BlockLength() > max_length) {
     if (!OnBufferFull(packet, index, callback))
       return false;
   }
   const size_t index_end = *index + BlockLength();
 
   CreateHeader(kFeedbackMessageType, kPacketType, HeaderLength(), packet,
                index);
   RTC_DCHECK_EQ(0, Rtpfb::media_ssrc());
   CreateCommonFeedback(packet + *index);
   *index += kCommonFeedbackLength;
   for (const TmmbItem& item : items_) {
     item.Create(packet + *index);
     *index += TmmbItem::kLength;
   }
   RTC_CHECK_EQ(index_end, *index);
   return true;
 }
 }  // namespace rtcp
 }  // namespace webrtc