[rtp_rtcp] rtcp::SenderReport moved into own file and got 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 <algorithm>
 
 #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_IJ;
 using webrtc::RTCPUtility::PT_PSFB;
 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::RTCPPacketPSFBAPP;
 using webrtc::RTCPUtility::RTCPPacketPSFBFIR;
 using webrtc::RTCPUtility::RTCPPacketPSFBFIRItem;
 using webrtc::RTCPUtility::RTCPPacketPSFBREMBItem;
 using webrtc::RTCPUtility::RTCPPacketPSFBRPSI;
 using webrtc::RTCPUtility::RTCPPacketPSFBSLI;
 using webrtc::RTCPUtility::RTCPPacketPSFBSLIItem;
-using webrtc::RTCPUtility::RTCPPacketReportBlockItem;
 using webrtc::RTCPUtility::RTCPPacketRTPFBNACK;
 using webrtc::RTCPUtility::RTCPPacketRTPFBNACKItem;
 using webrtc::RTCPUtility::RTCPPacketRTPFBTMMBN;
 using webrtc::RTCPUtility::RTCPPacketRTPFBTMMBNItem;
 using webrtc::RTCPUtility::RTCPPacketRTPFBTMMBR;
 using webrtc::RTCPUtility::RTCPPacketRTPFBTMMBRItem;
-using webrtc::RTCPUtility::RTCPPacketSR;
 using webrtc::RTCPUtility::RTCPPacketXRDLRRReportBlockItem;
 using webrtc::RTCPUtility::RTCPPacketXR;
 
 namespace webrtc {
 namespace rtcp {
 namespace {
 // Unused SSRC of media source, set to 0.
 const uint32_t kUnusedMediaSourceSsrc0 = 0;
 
 void AssignUWord8(uint8_t* buffer, size_t* offset, uint8_t value) {
@@ skipping 23 matching lines @@
   for (uint32_t i = 0; i < 64; ++i) {
     if (input_base10 <= (mantissa_max << i)) {
       exponent = i;
       break;
     }
   }
   *exp = exponent;
   *mantissa = (input_base10 >> exponent);
 }
 
-//  Sender report (SR) (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|    RC   |   PT=SR=200   |             length            |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                         SSRC of sender                        |
-//  +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-//  |              NTP timestamp, most significant word             |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |             NTP timestamp, least significant word             |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                         RTP timestamp                         |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                     sender's packet count                     |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                      sender's octet count                     |
-//  +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-
-void CreateSenderReport(const RTCPPacketSR& sr,
-                        uint8_t* buffer,
-                        size_t* pos) {
-  AssignUWord32(buffer, pos, sr.SenderSSRC);
-  AssignUWord32(buffer, pos, sr.NTPMostSignificant);
-  AssignUWord32(buffer, pos, sr.NTPLeastSignificant);
-  AssignUWord32(buffer, pos, sr.RTPTimestamp);
-  AssignUWord32(buffer, pos, sr.SenderPacketCount);
-  AssignUWord32(buffer, pos, sr.SenderOctetCount);
-}
-
-//  Report block (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
-//  +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-//  |                 SSRC_1 (SSRC of first source)                 |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  | fraction lost |       cumulative number of packets lost       |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |           extended highest sequence number received           |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                      interarrival jitter                      |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                         last SR (LSR)                         |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                   delay since last SR (DLSR)                  |
-//  +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-
-void CreateReportBlocks(const std::vector<ReportBlock>& blocks,
-                        uint8_t* buffer,
-                        size_t* pos) {
-  for (const ReportBlock& block : blocks) {
-    block.Create(buffer + *pos);
-    *pos += ReportBlock::kLength;
-  }
-}
-
 // Source Description (SDES) (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
 //        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 // header |V=2|P|    SC   |  PT=SDES=202  |             length            |
 //        +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
 // chunk  |                          SSRC/CSRC_1                          |
 //   1    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //        |                           SDES items                          |
@@ skipping 328 matching lines @@
                    size_t* index,
                    size_t max_length,
                    RtcpPacket::PacketReadyCallback* callback) const {
   return true;
 }
 
 size_t Empty::BlockLength() const {
   return 0;
 }
 
-bool SenderReport::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(sr_.NumberOfReportBlocks, PT_SR, HeaderLength(), packet, index);
-  CreateSenderReport(sr_, packet, index);
-  CreateReportBlocks(report_blocks_, packet, index);
-  return true;
-}
-
-bool SenderReport::WithReportBlock(const ReportBlock& block) {
-  if (report_blocks_.size() >= kMaxNumberOfReportBlocks) {
-    LOG(LS_WARNING) << "Max report blocks reached.";
-    return false;
-  }
-  report_blocks_.push_back(block);
-  sr_.NumberOfReportBlocks = report_blocks_.size();
-  return true;
-}
-
 bool Sdes::Create(uint8_t* packet,
                   size_t* index,
                   size_t max_length,
                   RtcpPacket::PacketReadyCallback* callback) const {
   assert(!chunks_.empty());
   while (*index + BlockLength() > max_length) {
     if (!OnBufferFull(packet, index, callback))
       return false;
   }
   CreateHeader(chunks_.size(), PT_SDES, HeaderLength(), packet, index);
@@ skipping 254 matching lines @@
   return length_;
 }
 
 void RawPacket::SetLength(size_t length) {
   assert(length <= buffer_length_);
   length_ = length;
 }
 
 }  // namespace rtcp
 }  // namespace webrtc