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Mute received DTMF path

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git-svn-id: http://svn.digium.com/svn/asterisk/trunk@2440 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
markster 2004-03-15 16:20:01 +00:00
parent 66a2c925b5
commit 0ac5be7919
1 changed files with 19 additions and 1 deletions
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20
rtp.c
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@ -75,6 +75,7 @@ struct ast_rtp {
struct sockaddr_in them;
struct timeval rxcore;
struct timeval txcore;
struct timeval dtmfmute;
struct ast_smoother *smoother;
int *ioid;
unsigned short seqno;
@ -163,7 +164,17 @@ void ast_rtp_setnat(struct ast_rtp *rtp, int nat)
static struct ast_frame *send_dtmf(struct ast_rtp *rtp)
{
ast_log(LOG_DEBUG, "Sending dtmf: %d (%c)\n", rtp->resp, rtp->resp);
struct timeval tv;
static struct ast_frame null_frame = { AST_FRAME_NULL, };
gettimeofday(&tv, NULL);
if ((tv.tv_sec < rtp->dtmfmute.tv_sec) ||
((tv.tv_sec == rtp->dtmfmute.tv_sec) && (tv.tv_usec < rtp->dtmfmute.tv_usec))) {
ast_log(LOG_DEBUG, "Ignore potential DTMF echo from '%s'\n", inet_ntoa(rtp->them.sin_addr));
rtp->resp = 0;
rtp->dtmfduration = 0;
return &null_frame;
}
ast_log(LOG_DEBUG, "Sending dtmf: %d (%c), at %s\n", rtp->resp, rtp->resp, inet_ntoa(rtp->them.sin_addr));
rtp->f.frametype = AST_FRAME_DTMF;
rtp->f.subclass = rtp->resp;
rtp->f.datalen = 0;
@ -897,6 +908,13 @@ int ast_rtp_senddigit(struct ast_rtp *rtp, char digit)
if (!rtp->them.sin_addr.s_addr)
return 0;
gettimeofday(&rtp->dtmfmute, NULL);
rtp->dtmfmute.tv_usec += (500 * 1000);
if (rtp->dtmfmute.tv_usec > 1000000) {
rtp->dtmfmute.tv_usec -= 1000000;
rtp->dtmfmute.tv_sec += 1;
}
ms = calc_txstamp(rtp, NULL);
/* Default prediction */
pred = rtp->lastts + ms * 8;