rtcp::Bye packet moved to own file and got a Parse function

webrtc/modules/rtp_rtcp/source/rtcp_packet.cc

 /*
  *  Copyright (c) 2014 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.
  */
 
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/modules/rtp_rtcp/source/byte_io.h"
 
 using webrtc::RTCPUtility::kBtDlrr;
 using webrtc::RTCPUtility::kBtReceiverReferenceTime;
 using webrtc::RTCPUtility::kBtVoipMetric;
 
 using webrtc::RTCPUtility::PT_APP;
-using webrtc::RTCPUtility::PT_BYE;
 using webrtc::RTCPUtility::PT_IJ;
 using webrtc::RTCPUtility::PT_PSFB;
 using webrtc::RTCPUtility::PT_RR;
 using webrtc::RTCPUtility::PT_RTPFB;
 using webrtc::RTCPUtility::PT_SDES;
 using webrtc::RTCPUtility::PT_SR;
 using webrtc::RTCPUtility::PT_XR;
 
 using webrtc::RTCPUtility::RTCPPacketAPP;
-using webrtc::RTCPUtility::RTCPPacketBYE;
 using webrtc::RTCPUtility::RTCPPacketPSFBAPP;
 using webrtc::RTCPUtility::RTCPPacketPSFBFIR;
 using webrtc::RTCPUtility::RTCPPacketPSFBFIRItem;
 using webrtc::RTCPUtility::RTCPPacketPSFBPLI;
 using webrtc::RTCPUtility::RTCPPacketPSFBREMBItem;
 using webrtc::RTCPUtility::RTCPPacketPSFBRPSI;
 using webrtc::RTCPUtility::RTCPPacketPSFBSLI;
 using webrtc::RTCPUtility::RTCPPacketPSFBSLIItem;
 using webrtc::RTCPUtility::RTCPPacketReportBlockItem;
 using webrtc::RTCPUtility::RTCPPacketRR;
@@ skipping 155 matching lines @@
     AssignUWord32(buffer, pos, (*it).ssrc);
     AssignUWord8(buffer, pos, kSdesItemType);
     AssignUWord8(buffer, pos, (*it).name.length());
     memcpy(buffer + *pos, (*it).name.data(), (*it).name.length());
     *pos += (*it).name.length();
     memset(buffer + *pos, 0, (*it).null_octets);
     *pos += (*it).null_octets;
   }
 }
 
-// Bye packet (BYE) (RFC 3550).
-//
-//        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
-//       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//       |V=2|P|    SC   |   PT=BYE=203  |             length            |
-//       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//       |                           SSRC/CSRC                           |
-//       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//       :                              ...                              :
-//       +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-// (opt) |     length    |               reason for leaving            ...
-//       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-void CreateBye(const RTCPPacketBYE& bye,
-               const std::vector<uint32_t>& csrcs,
-               uint8_t* buffer,
-               size_t* pos) {
-  AssignUWord32(buffer, pos, bye.SenderSSRC);
-  for (uint32_t csrc : csrcs)
-    AssignUWord32(buffer, pos, csrc);
-}
-
 // Application-Defined packet (APP) (RFC 3550).
 //
 //   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
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //  |V=2|P| subtype |   PT=APP=204  |             length            |
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //  |                           SSRC/CSRC                           |
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //  |                          name (ASCII)                         |
@@ skipping 578 matching lines @@
   // Header (4 bytes).
   // Chunk:
   // SSRC/CSRC (4 bytes) | CNAME (1 byte) | length (1 byte) | name | padding.
   size_t length = kHeaderLength;
   for (const Chunk& chunk : chunks_)
     length += 6 + chunk.name.length() + chunk.null_octets;
   assert(length % 4 == 0);
   return length;
 }
 
-bool Bye::Create(uint8_t* packet,
-                 size_t* index,
-                 size_t max_length,
-                 RtcpPacket::PacketReadyCallback* callback) const {
-  while (*index + BlockLength() > max_length) {
-    if (!OnBufferFull(packet, index, callback))
-      return false;
-  }
-  size_t length = HeaderLength();
-  CreateHeader(length, PT_BYE, length, packet, index);
-  CreateBye(bye_, csrcs_, packet, index);
-  return true;
-}
-
-bool Bye::WithCsrc(uint32_t csrc) {
-  if (csrcs_.size() >= kMaxNumberOfCsrcs) {
-    LOG(LS_WARNING) << "Max CSRC size reached.";
-    return false;
-  }
-  csrcs_.push_back(csrc);
-  return true;
-}
-
 bool App::Create(uint8_t* packet,
                  size_t* index,
                  size_t max_length,
                  RtcpPacket::PacketReadyCallback* callback) const {
   while (*index + BlockLength() > max_length) {
     if (!OnBufferFull(packet, index, callback))
       return false;
   }
   CreateHeader(app_.SubType, PT_APP, HeaderLength(), packet, index);
   CreateApp(app_, ssrc_, packet, index);
@@ skipping 308 matching lines @@
   return length_;
 }
 
 void RawPacket::SetLength(size_t length) {
   assert(length <= buffer_length_);
   length_ = length;
 }
 
 }  // namespace rtcp
 }  // namespace webrtc