rtcppacket(3) RTCP compound packets manipulation.

Classes


class RTCPCompoundHandler
low level structs and RTCP packet parsing and building methods.
struct RTCPCompoundHandler::RTCPPacket
Struct representing general RTCP packet headers as they are sent through the network.
struct RTCPCompoundHandler::RTCPFixedHeader
Fixed RTCP packet header.
struct RTCPCompoundHandler::NACKPacket
Struct for Negative ACKnowledgements (NACK) RTCP packet.
struct RTCPCompoundHandler::FIRPacket
Struct for Full Intra-frame Request (FIR) RTCP packet.
struct RTCPCompoundHandler::APPPacket
Struct for APP (application specific) RTCP packets.
struct RTCPCompoundHandler::BYEPacket
Struct for BYE (leaving session) RTCP packets.
struct RTCPCompoundHandler::SDESChunk
Struct for a chunk of items in a SDES RTCP packet.
struct RTCPCompoundHandler::SDESItem
Struct for an item description of a SDES packet.
struct RTCPCompoundHandler::SendReport
Struct for SR (sender report) RTCP packets.
struct RTCPCompoundHandler::SenderInfo
Struct for the sender info block in a SR (sender report) RTCP packet.
struct RTCPCompoundHandler::RecvReport
raw structure of the source and every receiver report in an SR or RR RTCP packet.
struct RTCPCompoundHandler::RRBlock
Struct for a receiver info block in a SR (sender report) or an RR (receiver report) RTCP packet.
struct RTCPCompoundHandler::ReceiverInfo
Struct for the data contained in a receiver info block.
class RTCPReceiverInfo
Report block information of SR/RR RTCP reports.
class RTCPSenderInfo
Sender block information of SR RTCP reports.

Enumerations


enum SDESItemType { SDESItemTypeEND = 0, SDESItemTypeCNAME, SDESItemTypeNAME, SDESItemTypeEMAIL, SDESItemTypePHONE, SDESItemTypeLOC, SDESItemTypeTOOL, SDESItemTypeNOTE, SDESItemTypePRIV, SDESItemTypeH323CADDR, SDESItemTypeLast = SDESItemTypeH323CADDR }
SDES items that may be carried in a Source DEScription RTCP packet.
enum RTCPCompoundHandler::RTCPPacket::Type { RTCPCompoundHandler::RTCPPacket::tSR = 200, RTCPCompoundHandler::RTCPPacket::tRR, RTCPCompoundHandler::RTCPPacket::tSDES, RTCPCompoundHandler::RTCPPacket::tBYE, RTCPCompoundHandler::RTCPPacket::tAPP, RTCPCompoundHandler::RTCPPacket::tFIR = 192, RTCPCompoundHandler::RTCPPacket::tNACK = 193, RTCPCompoundHandler::RTCPPacket::tXR }
rtp.h cc++/rtp.h
enum { RTCPCompoundHandler::defaultPathMTU = 1500 }

Functions


timeval NTP2Timeval (uint32 msw, uint32 lsw)
Convert a NTP timestamp, expressed as two 32-bit long words, into a timeval value.
uint32 timevalIntervalTo65536 (timeval &t)
Convert a time interval, expressed as a timeval, into a 32-bit time interval expressed in units of 1/65536 seconds.

Detailed Description

Enumeration Type Documentation

anonymous enum [protected]

Enumerator

defaultPathMTU

enum SDESItemType

SDES items that may be carried in a Source DEScription RTCP packet. CNAME is mandatory in each RTCP compound packet (except when split for partial encryption), the others are optional and have different sending frequencies, though with recommended default values.

Enumerator

SDESItemTypeEND
END of SDES item list.
SDESItemTypeCNAME
Canonical end-point identifier.
SDESItemTypeNAME
Personal NAME of the user.
SDESItemTypeEMAIL
EMAIL address of the user.
SDESItemTypePHONE
Phone number of the user.
SDESItemTypeLOC
Location where the user is.
SDESItemTypeTOOL
Application or tool.
SDESItemTypeNOTE
Comment usually reporting state.
SDESItemTypePRIV
Private extension.
SDESItemTypeH323CADDR
H323 callable address.
SDESItemTypeLast
Last defined code.

enum RTCPCompoundHandler::RTCPPacket::Type

rtp.h cc++/rtp.h RTCP packet types. They are registered with IANA.

Enumerator

tSR
Sender Report.
tRR
Receiver Report.
tSDES
Source DEScription.
tBYE
End of participation.
tAPP
APPlication specific.
tFIR
Full Intra-frame request.
tNACK
Negative ACK.
tXR
Extended Report.

Function Documentation

timeval NTP2Timeval (uint32 msw, uint32 lsw)

Convert a NTP timestamp, expressed as two 32-bit long words, into a timeval value.

Parameters:

msw Integer part of NTP timestamp.
lsw Fractional part of NTP timestamp.

Returns:

timeval value corresponding to the given NTP timestamp.

uint32 timevalIntervalTo65536 (timeval & t)

Convert a time interval, expressed as a timeval, into a 32-bit time interval expressed in units of 1/65536 seconds.

Parameters:

t Timeval interval.

Returns:

32-bit value corresponding to the given timeval interval.

Author

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