Implement FrameMarking header extension support

webrtc/modules/rtp_rtcp/source/rtp_header_extensions.h

 /*
  *  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.
  */
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSIONS_H_
@@ skipping 138 matching lines @@
 
   static bool Parse(rtc::ArrayView<const uint8_t> data, StreamId* rsid);
   static size_t ValueSize(const StreamId& rsid);
   static bool Write(uint8_t* data, const StreamId& rsid);
 
   static bool Parse(rtc::ArrayView<const uint8_t> data, std::string* rsid);
   static size_t ValueSize(const std::string& rsid);
   static bool Write(uint8_t* data, const std::string& rsid);
 };
 
+class FrameMarking {
+ public:
+  static constexpr RTPExtensionType kId = kRtpExtensionFrameMarking;
+  static constexpr const char* kUri =
+      "urn:ietf:params:rtp-hdrext:framemarking";
+  static bool Parse(const uint8_t* data,

[danilchap, 2017/06/28 16:07:06]

Parse expect rtc::ArrayView<const uint8_t> as 1st parameter to be used with
rtp::Packet

[sergio.garcia.murillo, 2017/06/29 12:58:58]

Done.

+                    uint8_t length,
+                    FrameMarks* frame_marks);
+  static size_t ValueSize(const FrameMarks& frame_marks);
+  static bool Write(uint8_t* data, const FrameMarks& frame_marks);
+};
+
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSIONS_H_