Add packetization and coding/decoding of feedback message format.

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.
  *
  */
@@ skipping 96 matching lines @@
 
  private:
   bool CreateAndAddAppended(uint8_t* packet,
                             size_t* index,
                             size_t max_length,
                             PacketReadyCallback* callback) const;
 
   std::vector<RtcpPacket*> appended_packets_;
 };
 
+// TODO(sprang): Move RtcpPacket subclasses out to separate files.
+
 class Empty : public RtcpPacket {
  public:
   Empty() : RtcpPacket() {}
 
   virtual ~Empty() {}
 
  protected:
   bool Create(uint8_t* packet,
               size_t* index,
               size_t max_length,
@@ skipping 1013 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_