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Add DTX support (mark bit) (bug #1234) 

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2842 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer 2004-05-01 15:18:28 +00:00
parent ff7f09ecc7
commit faaef0fbe3
1 changed files with 6 additions and 4 deletions
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10
rtp.c
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@ -366,9 +366,9 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
return &null_frame;
}
static void calc_rxstamp(struct timeval *tv, struct ast_rtp *rtp, unsigned int timestamp)
static void calc_rxstamp(struct timeval *tv, struct ast_rtp *rtp, unsigned int timestamp, int mark)
{
if (!rtp->rxcore.tv_sec && !rtp->rxcore.tv_usec) {
if ((!rtp->rxcore.tv_sec && !rtp->rxcore.tv_usec) || mark) {
gettimeofday(&rtp->rxcore, NULL);
rtp->rxcore.tv_sec -= timestamp / 8000;
rtp->rxcore.tv_usec -= (timestamp % 8000) * 125;
@ -530,7 +530,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
ast_log(LOG_NOTICE, "Unable to calculate samples for format %s\n", ast_getformatname(rtp->f.subclass));
break;
}
calc_rxstamp(&rtp->f.delivery, rtp, timestamp);
calc_rxstamp(&rtp->f.delivery, rtp, timestamp, mark);
} else {
/* Video -- samples is # of samples vs. 90000 */
if (!rtp->lastividtimestamp)
@ -1026,8 +1026,10 @@ static int ast_rtp_raw_write(struct ast_rtp *rtp, struct ast_frame *f, int codec
and if so, go with our prediction */
if (abs(rtp->lastts - pred) < 640)
rtp->lastts = pred;
else
else {
ast_log(LOG_DEBUG, "Difference is %d, ms is %d\n", abs(rtp->lastts - pred), ms);
mark = 1;
}
}
} else {
mark = f->subclass & 0x1;