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      1 /*
      2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_RECEIVER_HELP_H_
     12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_RECEIVER_HELP_H_
     13 
     14 
     15 #include "webrtc/base/constructormagic.h"
     16 #include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h"  // RTCPReportBlock
     17 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
     18 #include "webrtc/modules/rtp_rtcp/source/tmmbr_help.h"
     19 #include "webrtc/system_wrappers/interface/scoped_ptr.h"
     20 #include "webrtc/typedefs.h"
     21 
     22 namespace webrtc {
     23 namespace RTCPHelp
     24 {
     25 
     26 class RTCPReportBlockInformation
     27 {
     28 public:
     29     RTCPReportBlockInformation();
     30     ~RTCPReportBlockInformation();
     31 
     32     // Statistics
     33     RTCPReportBlock remoteReceiveBlock;
     34     uint32_t        remoteMaxJitter;
     35 
     36     // RTT
     37     uint16_t    RTT;
     38     uint16_t    minRTT;
     39     uint16_t    maxRTT;
     40     uint16_t    avgRTT;
     41     uint32_t    numAverageCalcs;
     42 };
     43 
     44 class RTCPPacketInformation
     45 {
     46 public:
     47     RTCPPacketInformation();
     48     ~RTCPPacketInformation();
     49 
     50     void AddVoIPMetric(const RTCPVoIPMetric*  metric);
     51 
     52     void AddApplicationData(const uint8_t* data,
     53                             const uint16_t size);
     54 
     55     void AddNACKPacket(const uint16_t packetID);
     56     void ResetNACKPacketIdArray();
     57 
     58     void AddReportInfo(const RTCPReportBlockInformation& report_block_info);
     59 
     60     uint32_t  rtcpPacketTypeFlags; // RTCPPacketTypeFlags bit field
     61     uint32_t  remoteSSRC;
     62 
     63     std::list<uint16_t> nackSequenceNumbers;
     64 
     65     uint8_t   applicationSubType;
     66     uint32_t  applicationName;
     67     uint8_t*  applicationData;
     68     uint16_t  applicationLength;
     69 
     70     ReportBlockList report_blocks;
     71     uint16_t rtt;
     72 
     73     uint32_t  interArrivalJitter;
     74 
     75     uint8_t   sliPictureId;
     76     uint64_t  rpsiPictureId;
     77     uint32_t  receiverEstimatedMaxBitrate;
     78 
     79     uint32_t ntp_secs;
     80     uint32_t ntp_frac;
     81     uint32_t rtp_timestamp;
     82 
     83     uint32_t xr_originator_ssrc;
     84     bool xr_dlrr_item;
     85     RTCPVoIPMetric*  VoIPMetric;
     86 
     87 private:
     88     DISALLOW_COPY_AND_ASSIGN(RTCPPacketInformation);
     89 };
     90 
     91 class RTCPReceiveInformation
     92 {
     93 public:
     94     RTCPReceiveInformation();
     95     ~RTCPReceiveInformation();
     96 
     97     void VerifyAndAllocateBoundingSet(const uint32_t minimumSize);
     98     void VerifyAndAllocateTMMBRSet(const uint32_t minimumSize);
     99 
    100     void InsertTMMBRItem(const uint32_t senderSSRC,
    101                          const RTCPUtility::RTCPPacketRTPFBTMMBRItem& TMMBRItem,
    102                          const int64_t currentTimeMS);
    103 
    104     // get
    105     int32_t GetTMMBRSet(const uint32_t sourceIdx,
    106                         const uint32_t targetIdx,
    107                         TMMBRSet* candidateSet,
    108                         const int64_t currentTimeMS);
    109 
    110     int64_t lastTimeReceived;
    111 
    112     // FIR
    113     int32_t lastFIRSequenceNumber;
    114     int64_t lastFIRRequest;
    115 
    116     // TMMBN
    117     TMMBRSet        TmmbnBoundingSet;
    118 
    119     // TMMBR
    120     TMMBRSet        TmmbrSet;
    121 
    122     bool            readyForDelete;
    123 private:
    124     std::vector<int64_t> _tmmbrSetTimeouts;
    125 };
    126 
    127 }  // end namespace RTCPHelp
    128 }  // namespace webrtc
    129 
    130 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_RECEIVER_HELP_H_
    131