Mon May 14 04:52:23 2007

Asterisk developer's documentation

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ast_rtp Struct Reference

RTP session description. More...

Collaboration diagram for ast_rtp:

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Data Fields
ast_mutex_t	bridge_lock
ast_rtp *	bridged
ast_rtp_callback	callback
rtpPayloadType	current_RTP_PT [MAX_RTP_PT]
unsigned int	cycles
void *	data
double	drxcore
int	dtmfcount
timeval	dtmfmute
unsigned int	dtmfsamples
ast_frame	f
unsigned int	flags
io_context *	io
int *	ioid
unsigned int	lastdigitts
unsigned int	lastevent
unsigned int	lasteventseqn
unsigned int	lastividtimestamp
unsigned int	lastovidtimestamp
timeval	lastrx
int	lastrxformat
int	lastrxseqno
unsigned int	lastrxts
unsigned int	lastts
int	lasttxformat
int	nat
ast_codec_pref	pref
unsigned char	rawdata [8192+AST_FRIENDLY_OFFSET]
char	resp
ast_rtcp *	rtcp
int	rtp_lookup_code_cache_code
int	rtp_lookup_code_cache_isAstFormat
int	rtp_lookup_code_cache_result
int	rtpholdtimeout
int	rtpkeepalive
int	rtptimeout
timeval	rxcore
unsigned int	rxcount
double	rxjitter
unsigned int	rxoctetcount
unsigned short	rxseqno
unsigned int	rxssrc
double	rxtransit
int	s
sched_context *	sched
unsigned short	seedrxseqno
unsigned int	seedrxts
char	send_digit
int	send_duration
int	send_payload
char	sending_digit
unsigned short	seqno
ast_smoother *	smoother
unsigned int	ssrc
sockaddr_in	them
unsigned int	themssrc
timeval	txcore
unsigned int	txcount
unsigned int	txoctetcount
sockaddr_in	us

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Detailed Description

RTP session description.

Definition at line 110 of file rtp.c.

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Field Documentation

ast_mutex_t bridge_lock

Definition at line 167 of file rtp.c.

Referenced by ast_rtp_destroy(), ast_rtp_get_bridged(), ast_rtp_get_current_formats(), ast_rtp_lookup_code(), ast_rtp_new_init(), ast_rtp_pt_clear(), ast_rtp_pt_copy(), ast_rtp_pt_default(), ast_rtp_set_m_type(), ast_rtp_set_rtpmap_type(), and p2p_set_bridge().

struct ast_rtp* bridged

Who we are Packet bridged to

Definition at line 174 of file rtp.c.

Referenced by ast_rtp_get_bridged(), ast_rtp_read(), and p2p_set_bridge().

ast_rtp_callback callback

Definition at line 166 of file rtp.c.

Referenced by ast_rtp_set_callback(), and rtpread().

struct rtpPayloadType current_RTP_PT[MAX_RTP_PT]

Definition at line 168 of file rtp.c.

Referenced by ast_rtp_get_current_formats(), ast_rtp_lookup_code(), ast_rtp_pt_clear(), ast_rtp_pt_copy(), ast_rtp_pt_default(), ast_rtp_set_m_type(), and ast_rtp_set_rtpmap_type().

unsigned int cycles

Shifted count of sequence number cycles

Definition at line 129 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), and ast_rtp_read().

void* data

Definition at line 165 of file rtp.c.

Referenced by ast_rtp_sendcng(), and ast_rtp_set_data().

double drxcore

The double representation of the first received packet

Definition at line 156 of file rtp.c.

Referenced by calc_rxstamp().

int dtmfcount

Definition at line 142 of file rtp.c.

Referenced by ast_rtp_reset(), process_cisco_dtmf(), and process_rfc2833().

struct timeval dtmfmute

Definition at line 158 of file rtp.c.

Referenced by ast_rtp_reset(), ast_rtp_sendcng(), ast_rtp_senddigit_begin(), ast_rtp_senddigit_end(), and send_dtmf().

unsigned int dtmfsamples

Definition at line 143 of file rtp.c.

Referenced by ast_rtp_reset(), process_rfc2833(), and send_dtmf().

struct ast_frame f

Definition at line 112 of file rtp.c.

Referenced by ast_rtcp_read(), ast_rtp_read(), process_rfc3389(), and send_dtmf().

unsigned int flags

Definition at line 151 of file rtp.c.

struct io_context* io

Definition at line 164 of file rtp.c.

Referenced by ast_rtp_destroy(), and p2p_callback_disable().

int* ioid

Definition at line 160 of file rtp.c.

Referenced by ast_rtp_destroy(), and p2p_callback_disable().

unsigned int lastdigitts

Definition at line 145 of file rtp.c.

Referenced by ast_rtp_raw_write(), ast_rtp_reset(), ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), and ast_rtp_senddigit_end().

unsigned int lastevent

Definition at line 141 of file rtp.c.

Referenced by ast_rtp_read(), ast_rtp_reset(), and process_rfc2833().

unsigned int lasteventseqn

Definition at line 121 of file rtp.c.

Referenced by ast_rtp_reset().

unsigned int lastividtimestamp

Definition at line 119 of file rtp.c.

Referenced by ast_rtp_read(), and ast_rtp_reset().

unsigned int lastovidtimestamp

Definition at line 120 of file rtp.c.

Referenced by ast_rtp_raw_write(), and ast_rtp_reset().

struct timeval lastrx

timeval when we last received a packet

Definition at line 157 of file rtp.c.

int lastrxformat

Definition at line 133 of file rtp.c.

Referenced by ast_rtp_read(), ast_rtp_reset(), and process_rfc3389().

int lastrxseqno

Last received sequence number

Definition at line 122 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), and ast_rtp_read().

unsigned int lastrxts

Definition at line 118 of file rtp.c.

Referenced by ast_rtp_read(), and ast_rtp_reset().

unsigned int lastts

Definition at line 117 of file rtp.c.

Referenced by ast_rtcp_write_sr(), ast_rtp_raw_write(), ast_rtp_reset(), and ast_rtp_sendcng().

int lasttxformat

Definition at line 132 of file rtp.c.

Referenced by ast_rtp_reset(), and ast_rtp_write().

int nat

Definition at line 150 of file rtp.c.

Referenced by ast_rtcp_read(), ast_rtp_raw_write(), ast_rtp_read(), ast_rtp_setnat(), and bridge_p2p_rtp_write().

struct ast_codec_pref pref

Definition at line 173 of file rtp.c.

Referenced by ast_rtp_codec_getpref(), ast_rtp_codec_setpref(), and ast_rtp_write().

unsigned char rawdata[8192+AST_FRIENDLY_OFFSET]

Definition at line 113 of file rtp.c.

Referenced by ast_rtp_read(), and process_rfc3389().

char resp

Definition at line 140 of file rtp.c.

Referenced by process_cisco_dtmf(), process_rfc2833(), and send_dtmf().

struct ast_rtcp* rtcp

Definition at line 172 of file rtp.c.

Referenced by ast_rtcp_fd(), ast_rtcp_read(), ast_rtcp_send_h261fur(), ast_rtcp_write(), ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_get_quality(), ast_rtp_raw_write(), ast_rtp_read(), ast_rtp_set_peer(), ast_rtp_stop(), and calc_rxstamp().

int rtp_lookup_code_cache_code

Definition at line 170 of file rtp.c.

Referenced by ast_rtp_lookup_code(), ast_rtp_pt_clear(), ast_rtp_pt_copy(), and ast_rtp_pt_default().

int rtp_lookup_code_cache_isAstFormat

a cache for the result of rtp_lookup_code():

Definition at line 169 of file rtp.c.

Referenced by ast_rtp_lookup_code(), ast_rtp_pt_clear(), ast_rtp_pt_copy(), and ast_rtp_pt_default().

int rtp_lookup_code_cache_result

Definition at line 171 of file rtp.c.

Referenced by ast_rtp_lookup_code(), ast_rtp_pt_clear(), ast_rtp_pt_copy(), and ast_rtp_pt_default().

int rtpholdtimeout

RTP timeout when on hold (negative or zero means disabled, negative value means temporarily disabled).

Definition at line 136 of file rtp.c.

Referenced by ast_rtp_get_rtpholdtimeout(), ast_rtp_set_rtpholdtimeout(), and ast_rtp_set_rtptimers_onhold().

int rtpkeepalive

Send RTP comfort noice packets for keepalive

Definition at line 137 of file rtp.c.

Referenced by ast_rtp_get_rtpkeepalive(), and ast_rtp_set_rtpkeepalive().

int rtptimeout

RTP timeout time (negative or zero means disabled, negative value means temporarily disabled)

Definition at line 135 of file rtp.c.

Referenced by ast_rtp_get_rtpholdtimeout(), ast_rtp_get_rtptimeout(), ast_rtp_set_rtptimeout(), and ast_rtp_set_rtptimers_onhold().

struct timeval rxcore

Definition at line 154 of file rtp.c.

Referenced by ast_rtp_reset(), and calc_rxstamp().

unsigned int rxcount

How many packets have we received?

Definition at line 125 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_get_quality(), and ast_rtp_read().

double rxjitter

Interarrival jitter at the moment

Definition at line 130 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_get_quality(), and calc_rxstamp().

unsigned int rxoctetcount

How many octets have we received? should be rxcount *160

Definition at line 126 of file rtp.c.

unsigned short rxseqno

Definition at line 162 of file rtp.c.

Referenced by ast_rtp_read(), ast_rtp_reset(), and ast_rtp_set_peer().

unsigned int rxssrc

Definition at line 116 of file rtp.c.

Referenced by ast_rtp_read().

double rxtransit

Relative transit time for previous packet

Definition at line 131 of file rtp.c.

Referenced by ast_rtp_destroy(), and calc_rxstamp().

int s

Definition at line 111 of file rtp.c.

Referenced by ast_rtp_destroy(), ast_rtp_fd(), ast_rtp_raw_write(), ast_rtp_read(), ast_rtp_sendcng(), ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), ast_rtp_senddigit_end(), ast_rtp_settos(), ast_rtp_stun_request(), bridge_p2p_rtp_write(), and p2p_callback_disable().

struct sched_context* sched

Definition at line 163 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_raw_write(), ast_rtp_read(), and ast_rtp_stop().

unsigned short seedrxseqno

What sequence number did they start with?

Definition at line 123 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), and ast_rtp_read().

unsigned int seedrxts

What RTP timestamp did they start with?

Definition at line 124 of file rtp.c.

Referenced by calc_rxstamp().

char send_digit

digit we are sending

Definition at line 147 of file rtp.c.

Referenced by ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), and ast_rtp_senddigit_end().

int send_duration

Definition at line 149 of file rtp.c.

Referenced by ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), and ast_rtp_senddigit_end().

int send_payload

Definition at line 148 of file rtp.c.

Referenced by ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), and ast_rtp_senddigit_end().

char sending_digit

boolean - are we sending digits

Definition at line 146 of file rtp.c.

Referenced by ast_rtp_read(), ast_rtp_senddigit_begin(), and ast_rtp_senddigit_end().

unsigned short seqno

Sequence number, RFC 3550, page 13.

Definition at line 161 of file rtp.c.

Referenced by ast_rtp_new_init(), ast_rtp_raw_write(), ast_rtp_reset(), ast_rtp_sendcng(), ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), and ast_rtp_senddigit_end().

struct ast_smoother* smoother

Definition at line 159 of file rtp.c.

Referenced by ast_rtp_codec_setpref(), ast_rtp_destroy(), and ast_rtp_write().

unsigned int ssrc

Synchronization source, RFC 3550, page 10.

Definition at line 114 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_get_quality(), ast_rtp_new_init(), ast_rtp_raw_write(), ast_rtp_sendcng(), ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), and ast_rtp_senddigit_end().

struct sockaddr_in them

Socket representation of the remote endpoint.

Definition at line 153 of file rtp.c.

Referenced by ast_rtp_destroy(), ast_rtp_get_peer(), ast_rtp_new_init(), ast_rtp_raw_write(), ast_rtp_read(), ast_rtp_sendcng(), ast_rtp_senddigit_begin(), ast_rtp_senddigit_continuation(), ast_rtp_senddigit_end(), ast_rtp_set_peer(), ast_rtp_stop(), ast_rtp_write(), bridge_p2p_rtp_write(), process_rfc3389(), and send_dtmf().

unsigned int themssrc

Their SSRC

Definition at line 115 of file rtp.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_get_quality(), and ast_rtp_read().

struct timeval txcore

Definition at line 155 of file rtp.c.

Referenced by ast_rtp_reset(), and calc_txstamp().

unsigned int txcount

How many packets have we sent?

Definition at line 127 of file rtp.c.

Referenced by ast_rtcp_write(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_get_quality(), and ast_rtp_raw_write().

unsigned int txoctetcount

How many octets have we sent? (txcount*160)

Definition at line 128 of file rtp.c.

Referenced by ast_rtcp_write_sr(), and ast_rtp_raw_write().

struct sockaddr_in us

Socket representation of the local endpoint.

Definition at line 152 of file rtp.c.

Referenced by ast_rtp_get_us(), and ast_rtp_new_init().

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

• rtp.c

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