rtcp::Rrtr block moved into own file and got Parse function

webrtc/modules/rtp_rtcp/source/rtcp_packet.h

 /*
  *  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.
  *
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_
 #define WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/report_block.h"
+#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/rrtr.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 namespace rtcp {
 
 static const int kCommonFbFmtLength = 12;
 static const int kReportBlockLength = 24;
 
 class Dlrr;
 class RawPacket;
-class Rrtr;
 class VoipMetric;
 
 // Class for building RTCP packets.
 //
 //  Example:
 //  ReportBlock report_block;
 //  report_block.To(234)
 //  report_block.FractionLost(10);
 //
 //  ReceiverReport rr;
@@ skipping 619 matching lines @@
  private:
   static const int kMaxNumberOfRrtrBlocks = 50;
   static const int kMaxNumberOfDlrrBlocks = 50;
   static const int kMaxNumberOfVoipMetricBlocks = 50;
 
   size_t BlockLength() const {
     const size_t kXrHeaderLength = 8;
     return kXrHeaderLength + RrtrLength() + DlrrLength() + VoipMetricLength();
   }
 
-  size_t RrtrLength() const {
-    const size_t kRrtrBlockLength = 12;
-    return kRrtrBlockLength * rrtr_blocks_.size();
-  }
+  size_t RrtrLength() const { return Rrtr::kLength * rrtr_blocks_.size(); }
 
   size_t DlrrLength() const;
 
   size_t VoipMetricLength() const {
     const size_t kVoipMetricBlockLength = 36;
     return kVoipMetricBlockLength * voip_metric_blocks_.size();
   }
 
   RTCPUtility::RTCPPacketXR xr_header_;
-  std::vector<RTCPUtility::RTCPPacketXRReceiverReferenceTimeItem> rrtr_blocks_;
+  std::vector<Rrtr> rrtr_blocks_;
   std::vector<DlrrBlock> dlrr_blocks_;
   std::vector<RTCPUtility::RTCPPacketXRVOIPMetricItem> voip_metric_blocks_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(Xr);
 };
 
-// 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             |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-class Rrtr {
- public:
-  Rrtr() {
-    memset(&rrtr_block_, 0, sizeof(rrtr_block_));
-  }
-  ~Rrtr() {}
-
-  void WithNtpSec(uint32_t sec) {
-    rrtr_block_.NTPMostSignificant = sec;
-  }
-  void WithNtpFrac(uint32_t frac) {
-    rrtr_block_.NTPLeastSignificant = frac;
-  }
-
- private:
-  friend class Xr;
-  RTCPUtility::RTCPPacketXRReceiverReferenceTimeItem rrtr_block_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(Rrtr);
-};
-
 // 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 113 matching lines @@
 
  private:
   const size_t buffer_length_;
   size_t length_;
   rtc::scoped_ptr<uint8_t[]> buffer_;
 };
 
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_