[rtcp] in Tmmbn/tmmbr packets bitrate updated to 64bit

webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmb_item.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_TMMB_ITEM_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMB_ITEM_H_
 
 #include "webrtc/base/basictypes.h"
 
 namespace webrtc {
 namespace rtcp {
 // RFC5104, Section 3.5.4
 // Temporary Maximum Media Stream Bitrate Request/Notification.
 // Used both by TMMBR and TMMBN rtcp packets.
 class TmmbItem {
  public:
   static const size_t kLength = 8;
 
   TmmbItem() : ssrc_(0), bitrate_bps_(0), packet_overhead_(0) {}
-  TmmbItem(uint32_t ssrc, uint32_t bitrate_bps, uint16_t overhead);
+  TmmbItem(uint32_t ssrc, uint64_t bitrate_bps, uint16_t overhead);
 
-  void Parse(const uint8_t* buffer);
+  bool Parse(const uint8_t* buffer);
   void Create(uint8_t* buffer) const;
 
   void set_ssrc(uint32_t ssrc) { ssrc_ = ssrc; }
-  void set_bitrate_bps(uint32_t bitrate_bps) { bitrate_bps_ = bitrate_bps; }
+  void set_bitrate_bps(uint64_t bitrate_bps) { bitrate_bps_ = bitrate_bps; }
   void set_packet_overhead(uint16_t overhead);
 
   uint32_t ssrc() const { return ssrc_; }
-  uint32_t bitrate_bps() const { return bitrate_bps_; }
+  uint64_t bitrate_bps() const { return bitrate_bps_; }
   uint16_t packet_overhead() const { return packet_overhead_; }
 
  private:
   // Media stream id.
   uint32_t ssrc_;
   // Maximum total media bit rate that the media receiver is
   // currently prepared to accept for this media stream.
-  uint32_t bitrate_bps_;
+  uint64_t bitrate_bps_;
   // Per-packet overhead that the media receiver has observed
   // for this media stream at its chosen reference protocol layer.
   uint16_t packet_overhead_;
 };
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMB_ITEM_H_