Make FlexFEC packets paceable through RTPSender.

webrtc/modules/rtp_rtcp/source/rtp_sender_video.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.
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_VIDEO_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_VIDEO_H_
 
 #include <list>
 #include <memory>
 #include <vector>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/onetimeevent.h"
+#include "webrtc/base/optional.h"
 #include "webrtc/base/rate_statistics.h"
 #include "webrtc/base/sequenced_task_checker.h"
 #include "webrtc/base/thread_annotations.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/rtp_rtcp/include/flexfec_sender.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_rtcp_config.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_sender.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_utility.h"
 #include "webrtc/modules/rtp_rtcp/source/ulpfec_generator.h"
@@ skipping 29 matching lines @@
                  const RTPVideoHeader* video_header);
 
   int32_t SendRTPIntraRequest();
 
   void SetVideoCodecType(RtpVideoCodecTypes type);
 
   // ULPFEC.
   void SetUlpfecConfig(int red_payload_type, int ulpfec_payload_type);
   void GetUlpfecConfig(int* red_payload_type, int* ulpfec_payload_type) const;
 
+  // FlexFEC/ULPFEC.
   void SetFecParameters(const FecProtectionParams& delta_params,
                         const FecProtectionParams& key_params);
 
+  // FlexFEC.
+  rtc::Optional<uint32_t> FlexfecSsrc() const;
+
   uint32_t VideoBitrateSent() const;
   uint32_t FecOverheadRate() const;
 
   int SelectiveRetransmissions() const;
   void SetSelectiveRetransmissions(uint8_t settings);
 
  private:
   void SendVideoPacket(std::unique_ptr<RtpPacketToSend> packet,
                        StorageType storage);
 
@@ skipping 46 matching lines @@
   // and any padding overhead.
   RateStatistics fec_bitrate_ GUARDED_BY(stats_crit_);
   // Bitrate used for video payload and RTP headers.
   RateStatistics video_bitrate_ GUARDED_BY(stats_crit_);
   OneTimeEvent first_frame_sent_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_VIDEO_H_