[rtp_rtcp] rtcp::Tmmbr moved into own file

webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbr.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_TMMBN_H_
-#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_
+#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBR_H_
+#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBR_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 {
-
-// Temporary Maximum Media Stream Bit Rate Notification (TMMBN) (RFC 5104).
-class Tmmbn : public RtcpPacket {
+// Temporary Maximum Media Stream Bit Rate Request (TMMBR) (RFC 5104).
+class Tmmbr : public RtcpPacket {
  public:
-  Tmmbn() : RtcpPacket() {
-    memset(&tmmbn_, 0, sizeof(tmmbn_));
+  Tmmbr() : RtcpPacket() {
+    memset(&tmmbr_, 0, sizeof(tmmbr_));
+    memset(&tmmbr_item_, 0, sizeof(tmmbr_item_));
   }
 
-  virtual ~Tmmbn() {}
+  virtual ~Tmmbr() {}
 
   void From(uint32_t ssrc) {
-    tmmbn_.SenderSSRC = ssrc;
+    tmmbr_.SenderSSRC = ssrc;
   }
-  // Max 50 TMMBR can be added per TMMBN.
-  bool WithTmmbr(uint32_t ssrc, uint32_t bitrate_kbps, uint16_t overhead);
+  void To(uint32_t ssrc) {
+    tmmbr_item_.SSRC = ssrc;
+  }
+  void WithBitrateKbps(uint32_t bitrate_kbps) {
+    tmmbr_item_.MaxTotalMediaBitRate = bitrate_kbps;
+  }
+  void WithOverhead(uint16_t overhead) {
+    assert(overhead <= 0x1ff);
+    tmmbr_item_.MeasuredOverhead = overhead;
+  }
 
  protected:
   bool Create(uint8_t* packet,
               size_t* index,
               size_t max_length,
               RtcpPacket::PacketReadyCallback* callback) const override;
 
  private:
-  static const int kMaxNumberOfTmmbrs = 50;
-
   size_t BlockLength() const {
     const size_t kFciLen = 8;
-    return kCommonFbFmtLength + kFciLen * tmmbn_items_.size();
+    return kCommonFbFmtLength + kFciLen;
   }
 
-  RTCPUtility::RTCPPacketRTPFBTMMBN tmmbn_;
-  std::vector<RTCPUtility::RTCPPacketRTPFBTMMBRItem> tmmbn_items_;
+  RTCPUtility::RTCPPacketRTPFBTMMBR tmmbr_;
+  RTCPUtility::RTCPPacketRTPFBTMMBRItem tmmbr_item_;
 
-  RTC_DISALLOW_COPY_AND_ASSIGN(Tmmbn);
+  RTC_DISALLOW_COPY_AND_ASSIGN(Tmmbr);
 };
-
 }  // namespace rtcp
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_
+#endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBR_H_