RtpPacketHistory rewritten to use RtpPacket class.

webrtc/modules/rtp_rtcp/source/rtp_header_extensions.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 106 matching lines @@
     case MediaType::VIDEO:
       return true;
     case MediaType::AUDIO:
     case MediaType::DATA:
       return false;
   }
   RTC_NOTREACHED();
   return false;
 }
 
-bool TransmissionOffset::Parse(const uint8_t* data, int32_t* value) {
-  *value = ByteReader<int32_t, 3>::ReadBigEndian(data);
+bool TransmissionOffset::Parse(const uint8_t* data, int32_t* rtp_time) {
+  *rtp_time = ByteReader<int32_t, 3>::ReadBigEndian(data);
   return true;
 }
 
-bool TransmissionOffset::Write(uint8_t* data, int64_t value) {
-  RTC_CHECK_LE(value, 0x00ffffff);
-  ByteWriter<int32_t, 3>::WriteBigEndian(data, value);
+bool TransmissionOffset::Write(uint8_t* data, int32_t rtp_time) {
+  RTC_DCHECK_LE(rtp_time, 0x00ffffff);
+  ByteWriter<int32_t, 3>::WriteBigEndian(data, rtp_time);
   return true;
 }
 
 //   0                   1                   2
 //   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //  |  ID   | L=1   |transport wide sequence number |
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 const char* TransportSequenceNumber::kName =
     "http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions";
@@ skipping 49 matching lines @@
 bool VideoOrientation::Parse(const uint8_t* data, uint8_t* value) {
   *value = data[0];
   return true;
 }
 
 bool VideoOrientation::Write(uint8_t* data, uint8_t value) {
   data[0] = value;
   return true;
 }
 }  // namespace webrtc