rtcp::Rrtr block 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.
  */
 
@@ skipping 25 matching lines @@
 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::RTCPPacketXRReceiverReferenceTimeItem;
 using webrtc::RTCPUtility::RTCPPacketXR;
 using webrtc::RTCPUtility::RTCPPacketXRVOIPMetricItem;
 
 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 352 matching lines @@
 
 void CreateXrBlockHeader(uint8_t block_type,
                          uint16_t block_length,
                          uint8_t* buffer,
                          size_t* pos) {
   AssignUWord8(buffer, pos, block_type);
   AssignUWord8(buffer, pos, 0);
   AssignUWord16(buffer, pos, block_length);
 }
 
-// Receiver Reference Time Report Block (RFC 3611).
-//
-//   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
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |     BT=4      |   reserved    |       block length = 2        |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |              NTP timestamp, most significant word             |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |             NTP timestamp, least significant word             |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-void CreateRrtr(const std::vector<RTCPPacketXRReceiverReferenceTimeItem>& rrtrs,
-                uint8_t* buffer,
-                size_t* pos) {
-  const uint16_t kBlockLength = 2;
-  for (std::vector<RTCPPacketXRReceiverReferenceTimeItem>::const_iterator it =
-       rrtrs.begin(); it != rrtrs.end(); ++it) {
-    CreateXrBlockHeader(kBtReceiverReferenceTime, kBlockLength, buffer, pos);
-    AssignUWord32(buffer, pos, (*it).NTPMostSignificant);
-    AssignUWord32(buffer, pos, (*it).NTPLeastSignificant);
-  }
-}
-
 // DLRR Report Block (RFC 3611).
 //
 //   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
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //  |     BT=5      |   reserved    |         block length          |
 //  +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
 //  |                 SSRC_1 (SSRC of first receiver)               | sub-
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ block
 //  |                         last RR (LRR)                         |   1
@@ skipping 450 matching lines @@
 bool Xr::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(0U, PT_XR, HeaderLength(), packet, index);
   CreateXrHeader(xr_header_, packet, index);
-  CreateRrtr(rrtr_blocks_, packet, index);
+  for (const Rrtr& block : rrtr_blocks_) {
+    block.Create(packet + *index);
+    *index += Rrtr::kLength;
+  }
   CreateDlrr(dlrr_blocks_, packet, index);
   CreateVoipMetric(voip_metric_blocks_, packet, index);
   return true;
 }
 
 bool Xr::WithRrtr(Rrtr* rrtr) {
-  assert(rrtr);
+  RTC_DCHECK(rrtr);
   if (rrtr_blocks_.size() >= kMaxNumberOfRrtrBlocks) {
     LOG(LS_WARNING) << "Max RRTR blocks reached.";
     return false;
   }
-  rrtr_blocks_.push_back(rrtr->rrtr_block_);
+  rrtr_blocks_.push_back(*rrtr);
   return true;
 }
 
 bool Xr::WithDlrr(Dlrr* dlrr) {
   assert(dlrr);
   if (dlrr_blocks_.size() >= kMaxNumberOfDlrrBlocks) {
     LOG(LS_WARNING) << "Max DLRR blocks reached.";
     return false;
   }
   dlrr_blocks_.push_back(dlrr->dlrr_block_);
@@ skipping 65 matching lines @@
   return length_;
 }
 
 void RawPacket::SetLength(size_t length) {
   assert(length <= buffer_length_);
   length_ = length;
 }
 
 }  // namespace rtcp
 }  // namespace webrtc