pjmedia_rtp_status Struct Reference
[RTP Session and Encapsulation (RFC 3550)]

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Detailed Description

This structure is used to receive additional information about the state of incoming RTP packet.

Data Fields
union {
struct flag {
int   bad:1
int   badpt:1
int   badssrc:1
int   dup:1
int   outorder:1
int   probation:1
int   restart:1
}   flag
pj_uint16_t   value
}	status
pj_uint16_t	diff

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Field Documentation

int pjmedia_rtp_status::bad

General flag to indicate that sequence is bad, and application should not process this packet. More information will be given in other flags.

int pjmedia_rtp_status::badpt

Bad payload type.

int pjmedia_rtp_status::badssrc

Bad SSRC

int pjmedia_rtp_status::dup

Indicates duplicate packet

int pjmedia_rtp_status::outorder

Indicates out of order packet

int pjmedia_rtp_status::probation

Indicates that session is in probation until more packets are received.

int pjmedia_rtp_status::restart

Indicates that sequence number has made a large jump, and internal base sequence number has been adjusted.

struct { ... } ::flag pjmedia_rtp_status::flag

Status flags.

pj_uint16_t pjmedia_rtp_status::value

Status value, to conveniently address all flags.

union { ... } pjmedia_rtp_status::status

Status information union.

pj_uint16_t pjmedia_rtp_status::diff

Sequence number difference from previous packet. Normally the value should be 1. Value greater than one may indicate packet loss. If packet with lower sequence is received, the value will be set to zero. If base sequence has been restarted, the value will be one.

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The documentation for this struct was generated from the following file:

• rtp.h