Generalize FEC header formatting. (pt. 4)

webrtc/modules/rtp_rtcp/source/producer_fec.h

 /*
  *  Copyright (c) 2012 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 71 matching lines @@
   // Returns generated FEC packets with RED headers added.
   std::vector<std::unique_ptr<RedPacket>> GetFecPacketsAsRed(
       int red_payload_type,
       int ulpfec_payload_type,
       uint16_t first_seq_num,
       size_t rtp_header_length);
 
  private:
   void DeleteMediaPackets();
   int Overhead() const;
-  ForwardErrorCorrection fec_;
+  std::unique_ptr<ForwardErrorCorrection> fec_;
   ForwardErrorCorrection::PacketList media_packets_;
   std::list<ForwardErrorCorrection::Packet*> generated_fec_packets_;
   int num_protected_frames_;
   int num_important_packets_;
   int min_num_media_packets_;
   FecProtectionParams params_;
   FecProtectionParams new_params_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_PRODUCER_FEC_H_