Simplify public interface of ProducerFec.

webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc

 /*
  *  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 111 matching lines @@
     red_packet->SetPayloadType(red_payload_type_);
     if (protect) {
       producer_fec_.AddRtpPacketAndGenerateFec(media_packet->data(),
                                                media_packet->payload_size(),
                                                media_packet->headers_size());
     }
     uint16_t num_fec_packets = producer_fec_.NumAvailableFecPackets();
     if (num_fec_packets > 0) {
       uint16_t first_fec_sequence_number =
           rtp_sender_->AllocateSequenceNumber(num_fec_packets);
-      fec_packets = producer_fec_.GetFecPacketsAsRed(
+      fec_packets = producer_fec_.GetUlpfecPacketsAsRed(
           red_payload_type_, fec_payload_type_, first_fec_sequence_number,
           media_packet->headers_size());
       RTC_DCHECK_EQ(num_fec_packets, fec_packets.size());
       if (retransmission_settings_ & kRetransmitFECPackets)
         fec_storage = kAllowRetransmission;
     }
   }
   // Send |red_packet| instead of |packet| for allocated sequence number.
   size_t red_packet_size = red_packet->size();
   if (rtp_sender_->SendToNetwork(std::move(red_packet), media_packet_storage,
@@ skipping 202 matching lines @@
   rtc::CritScope cs(&crit_);
   return retransmission_settings_;
 }
 
 void RTPSenderVideo::SetSelectiveRetransmissions(uint8_t settings) {
   rtc::CritScope cs(&crit_);
   retransmission_settings_ = settings;
 }
 
 }  // namespace webrtc