[rtp_rtcp] rtcp::Fir moved into own file

webrtc/modules/rtp_rtcp/source/rtcp_packet/fir.h

 /*
  *  Copyright (c) 2016 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_RTCP_PACKET_REMB_H_
-#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMB_H_
+#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_FIR_H_
+#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_FIR_H_
 
-#include <vector>
 #include "webrtc/base/basictypes.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
 
 namespace webrtc {
 namespace rtcp {
-// Receiver Estimated Max Bitrate (REMB) (draft-alvestrand-rmcat-remb).
-class Remb : public RtcpPacket {
+
+// Full intra request (FIR) (RFC 5104).
+class Fir : public RtcpPacket {
  public:
-  Remb() : RtcpPacket() {
-    memset(&remb_, 0, sizeof(remb_));
-    memset(&remb_item_, 0, sizeof(remb_item_));
+  Fir() : RtcpPacket() {
+    memset(&fir_, 0, sizeof(fir_));
+    memset(&fir_item_, 0, sizeof(fir_item_));
   }
 
-  virtual ~Remb() {}
+  virtual ~Fir() {}
 
   void From(uint32_t ssrc) {
-    remb_.SenderSSRC = ssrc;
+    fir_.SenderSSRC = ssrc;
   }
-  void AppliesTo(uint32_t ssrc);
-
-  void WithBitrateBps(uint32_t bitrate_bps) {
-    remb_item_.BitRate = bitrate_bps;
+  void To(uint32_t ssrc) {
+    fir_item_.SSRC = ssrc;
+  }
+  void WithCommandSeqNum(uint8_t seq_num) {
+    fir_item_.CommandSequenceNumber = seq_num;
   }
 
  protected:
   bool Create(uint8_t* packet,
               size_t* index,
               size_t max_length,
               RtcpPacket::PacketReadyCallback* callback) const override;
 
  private:
-  static const int kMaxNumberOfSsrcs = 0xff;
-
   size_t BlockLength() const {
-    return (remb_item_.NumberOfSSRCs + 5) * 4;
+    const size_t kFciLength = 8;
+    return kCommonFbFmtLength + kFciLength;
   }
 
-  RTCPUtility::RTCPPacketPSFBAPP remb_;
-  RTCPUtility::RTCPPacketPSFBREMBItem remb_item_;
+  RTCPUtility::RTCPPacketPSFBFIR fir_;
+  RTCPUtility::RTCPPacketPSFBFIRItem fir_item_;
+};
 
-  RTC_DISALLOW_COPY_AND_ASSIGN(Remb);
-};
 }  // namespace rtcp
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMB_H_
+#endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_FIR_H_