rtcp::Pli moved into own file and got a 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 233 matching lines @@
 void CreateApp(const RTCPPacketAPP& app,
                uint32_t ssrc,
                uint8_t* buffer,
                size_t* pos) {
   AssignUWord32(buffer, pos, ssrc);
   AssignUWord32(buffer, pos, app.Name);
   memcpy(buffer + *pos, app.Data, app.Size);
   *pos += app.Size;
 }
 
-// RFC 4585: Feedback format.
-//
-// Common packet format:
-//
-//    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
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   |V=2|P|   FMT   |       PT      |          length               |
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   |                  SSRC of packet sender                        |
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   |                  SSRC of media source                         |
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   :            Feedback Control Information (FCI)                 :
-//   :
-//
-
-// Picture loss indication (PLI) (RFC 4585).
-//
-// FCI: no feedback control information.
-
-void CreatePli(const RTCPPacketPSFBPLI& pli,
-               uint8_t* buffer,
-               size_t* pos) {
-  AssignUWord32(buffer, pos, pli.SenderSSRC);
-  AssignUWord32(buffer, pos, pli.MediaSSRC);
-}
 
 // Slice loss indication (SLI) (RFC 4585).
 //
 // FCI:
 //
 //    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
 //   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 //   |            First        |        Number           | PictureID |
 //   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
@@ skipping 563 matching lines @@
                  RtcpPacket::PacketReadyCallback* callback) const {
   while (*index + BlockLength() > max_length) {
     if (!OnBufferFull(packet, index, callback))
       return false;
   }
   CreateHeader(app_.SubType, PT_APP, HeaderLength(), packet, index);
   CreateApp(app_, ssrc_, packet, index);
   return true;
 }
 
-bool Pli::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;
-  }
-  const uint8_t kFmt = 1;
-  CreateHeader(kFmt, PT_PSFB, HeaderLength(), packet, index);
-  CreatePli(pli_, packet, index);
-  return true;
-}
-
 bool Sli::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;
   }
   const uint8_t kFmt = 2;
   CreateHeader(kFmt, PT_PSFB, HeaderLength(), packet, index);
@@ skipping 281 matching lines @@
   return length_;
 }
 
 void RawPacket::SetLength(size_t length) {
   assert(length <= buffer_length_);
   length_ = length;
 }
 
 }  // namespace rtcp
 }  // namespace webrtc