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res_pjsip: Add rtp_keepalive endpoint option.

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This adds an "rtp_keepalive" option for PJSIP endpoints. Similar to the
chan_sip option, this specifies an interval, in seconds, at which we
will send RTP comfort noise frames. This can be useful for keeping RTP
sessions alive as well as keeping NAT associations alive during lulls.

ASTERISK-25242 #close
Reported by Mark Michelson

Change-Id: I3b9903d99e35fe5d0b53ecc46df82c750776bc8d
This commit is contained in:
Mark Michelson
2015-07-09 14:17:53 -05:00
parent 4a25d55416
commit 2b42264e66
11 changed files with 122 additions and 1 deletions
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13
main/rtp_engine.c
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@@ -190,6 +190,8 @@ struct ast_rtp_instance {
struct ast_srtp *srtp;
/*! Channel unique ID */
char channel_uniqueid[AST_MAX_UNIQUEID];
/*! Time of last packet sent */
time_t last_tx;
};
/*! List of RTP engines that are currently registered */
@@ -2206,3 +2208,14 @@ int ast_rtp_engine_init()
return 0;
}
time_t ast_rtp_instance_get_last_tx(const struct ast_rtp_instance *rtp)
{
return rtp->last_tx;
}
void ast_rtp_instance_set_last_tx(struct ast_rtp_instance *rtp, time_t time)
{
rtp->last_tx = time;
}