SRTPerformanceData

public struct SRTPerformanceData : Sendable

The SRTPerformanceData represents the SRT’s performance statistics. This struct is wrapper for an CBytePerfMon.

Seealso

https://github.com/Haivision/srt/blob/master/srtcore/srt.h

  • The time since the UDT entity is started, in milliseconds.

    Declaration

    Swift

    public let msTimeStamp: Int64

  • The total number of sent data packets, including retransmissions.

    Declaration

    Swift

    public let pktSentTotal: Int64

  • The total number of received packets.

    Declaration

    Swift

    public let pktRecvTotal: Int64

  • The total number of lost packets (sender side)

    Declaration

    Swift

    public let pktSndLossTotal: Int32

  • The total number of lost packets (receiver side)

    Declaration

    Swift

    public let pktRcvLossTotal: Int32

  • The total number of retransmitted packets

    Declaration

    Swift

    public let pktRetransTotal: Int32

  • The total number of sent ACK packets

    Declaration

    Swift

    public let pktSentACKTotal: Int32

  • The total number of received ACK packets

    Declaration

    Swift

    public let pktRecvACKTotal: Int32

  • The total number of sent NAK packets

    Declaration

    Swift

    public let pktSentNAKTotal: Int32

  • The total number of received NAK packets

    Declaration

    Swift

    public let pktRecvNAKTotal: Int32

  • The total time duration when UDT is sending data (idle time exclusive)

    Declaration

    Swift

    public let usSndDurationTotal: Int64

  • The number of too-late-to-send dropped packets

    Declaration

    Swift

    public let pktSndDropTotal: Int32

  • The number of too-late-to play missing packets

    Declaration

    Swift

    public let pktRcvDropTotal: Int32

  • The number of undecrypted packets

    Declaration

    Swift

    public let pktRcvUndecryptTotal: Int32

  • The total number of sent data bytes, including retransmissions

    Declaration

    Swift

    public let byteSentTotal: UInt64

  • The total number of received bytes

    Declaration

    Swift

    public let byteRecvTotal: UInt64

  • The total number of lost bytes

    Declaration

    Swift

    public let byteRcvLossTotal: UInt64

  • The total number of retransmitted bytes

    Declaration

    Swift

    public let byteRetransTotal: UInt64

  • The number of too-late-to-send dropped bytes

    Declaration

    Swift

    public let byteSndDropTotal: UInt64

  • The number of too-late-to play missing bytes (estimate based on average packet size)

    Declaration

    Swift

    public let byteRcvDropTotal: UInt64

  • The number of undecrypted bytes

    Declaration

    Swift

    public let byteRcvUndecryptTotal: UInt64

  • The number of sent data packets, including retransmissions

    Declaration

    Swift

    public let pktSent: Int64

  • The number of received packets

    Declaration

    Swift

    public let pktRecv: Int64

  • The number of lost packets (sender side)

    Declaration

    Swift

    public let pktSndLoss: Int32

  • The number of lost packets (receiver side)

    Declaration

    Swift

    public let pktRcvLoss: Int32

  • The number of retransmitted packets

    Declaration

    Swift

    public let pktRetrans: Int32

  • The number of retransmitted packets received

    Declaration

    Swift

    public let pktRcvRetrans: Int32

  • The number of sent ACK packets

    Declaration

    Swift

    public let pktSentACK: Int32

  • The number of received ACK packets

    Declaration

    Swift

    public let pktRecvACK: Int32

  • The number of sent NAK packets

    Declaration

    Swift

    public let pktSentNAK: Int32

  • The number of received NAK packets

    Declaration

    Swift

    public let pktRecvNAK: Int32

  • The sending rate in Mb/s

    Declaration

    Swift

    public let mbpsSendRate: Double

  • The receiving rate in Mb/s

    Declaration

    Swift

    public let mbpsRecvRate: Double

  • The busy sending time (i.e., idle time exclusive)

    Declaration

    Swift

    public let usSndDuration: Int64

  • The size of order discrepancy in received sequences

    Declaration

    Swift

    public let pktReorderDistance: Int32

  • The average time of packet delay for belated packets (packets with sequence past the ACK)

    Declaration

    Swift

    public let pktRcvAvgBelatedTime: Double

  • The number of received AND IGNORED packets due to having come too late

    Declaration

    Swift

    public let pktRcvBelated: Int64

  • The number of too-late-to-send dropped packets

    Declaration

    Swift

    public let pktSndDrop: Int32

  • The number of too-late-to play missing packets

    Declaration

    Swift

    public let pktRcvDrop: Int32

  • The number of undecrypted packets

    Declaration

    Swift

    public let pktRcvUndecrypt: Int32

  • The number of sent data bytes, including retransmissions

    Declaration

    Swift

    public let byteSent: UInt64

  • The number of received bytes

    Declaration

    Swift

    public let byteRecv: UInt64

  • The number of retransmitted bytes

    Declaration

    Swift

    public let byteRcvLoss: UInt64

  • The number of retransmitted bytes

    Declaration

    Swift

    public let byteRetrans: UInt64

  • The number of too-late-to-send dropped bytes

    Declaration

    Swift

    public let byteSndDrop: UInt64

  • The number of too-late-to play missing bytes (estimate based on average packet size)

    Declaration

    Swift

    public let byteRcvDrop: UInt64

  • The number of undecrypted bytes

    Declaration

    Swift

    public let byteRcvUndecrypt: UInt64

  • The packet sending period, in microseconds

    Declaration

    Swift

    public let usPktSndPeriod: Double

  • The flow window size, in number of packets

    Declaration

    Swift

    public let pktFlowWindow: Int32

  • The congestion window size, in number of packets

    Declaration

    Swift

    public let pktCongestionWindow: Int32

  • The number of packets on flight

    Declaration

    Swift

    public let pktFlightSize: Int32

  • The RTT, in milliseconds

    Declaration

    Swift

    public let msRTT: Double

  • The estimated bandwidth, in Mb/s

    Declaration

    Swift

    public let mbpsBandwidth: Double

  • The available UDT sender buffer size

    Declaration

    Swift

    public let byteAvailSndBuf: Int32

  • The available UDT receiver buffer size

    Declaration

    Swift

    public let byteAvailRcvBuf: Int32

  • The transmit Bandwidth ceiling (Mbps)

    Declaration

    Swift

    public let mbpsMaxBW: Double

  • The MTU

    Declaration

    Swift

    public let byteMSS: Int32

  • The UnACKed packets in UDT sender

    Declaration

    Swift

    public let pktSndBuf: Int32

  • The UnACKed bytes in UDT sender

    Declaration

    Swift

    public let byteSndBuf: Int32

  • The UnACKed timespan (msec) of UDT sender

    Declaration

    Swift

    public let msSndBuf: Int32

  • Timestamp-based Packet Delivery Delay

    Declaration

    Swift

    public let msSndTsbPdDelay: Int32

  • Undelivered packets in UDT receiver

    Declaration

    Swift

    public let pktRcvBuf: Int32

  • The undelivered bytes of UDT receiver

    Declaration

    Swift

    public let byteRcvBuf: Int32

  • The undelivered timespan (msec) of UDT receiver

    Declaration

    Swift

    public let msRcvBuf: Int32

  • The Timestamp-based Packet Delivery Delay

    Declaration

    Swift

    public let msRcvTsbPdDelay: Int32

  • The number of control packets supplied by packet filter

    Declaration

    Swift

    public let pktSndFilterExtraTotal: Int32

  • The number of control packets received and not supplied back

    Declaration

    Swift

    public let pktRcvFilterExtraTotal: Int32

  • The number of packets that the filter supplied extra (e.g. FEC rebuilt)

    Declaration

    Swift

    public let pktRcvFilterSupplyTotal: Int32

  • The number of packet loss not coverable by filter

    Declaration

    Swift

    public let pktRcvFilterLossTotal: Int32

  • The number of control packets supplied by packet filter

    Declaration

    Swift

    public let pktSndFilterExtra: Int32

  • The number of control packets received and not supplied back

    Declaration

    Swift

    public let pktRcvFilterExtra: Int32

  • The number of packets that the filter supplied extra (e.g. FEC rebuilt)

    Declaration

    Swift

    public let pktRcvFilterSupply: Int32

  • The number of packet loss not coverable by filter

    Declaration

    Swift

    public let pktRcvFilterLoss: Int32

  • The packet reorder tolerance value

    Declaration

    Swift

    public let pktReorderTolerance: Int32