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Fix rollover with DTMF (bug #2887)

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git-svn-id: http://svn.digium.com/svn/asterisk/trunk@4280 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
markster 2004-11-17 18:36:17 +00:00
parent f096787f19
commit 8b0f4042ed
1 changed files with 5 additions and 5 deletions
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10
rtp.c
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@ -79,7 +79,7 @@ struct ast_rtp {
unsigned int lastrxts;
unsigned int lastividtimestamp;
unsigned int lastovidtimestamp;
unsigned int lasteventseqn;
unsigned int lasteventtimestamp;
int lasttxformat;
int lastrxformat;
int dtmfcount;
@ -490,16 +490,16 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
/* This is special in-band data that's not one of our codecs */
if (rtpPT.code == AST_RTP_DTMF) {
/* It's special -- rfc2833 process it */
if (rtp->lasteventseqn <= seqno) {
if (rtp->lasteventtimestamp <= timestamp) {
f = process_rfc2833(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
rtp->lasteventseqn = seqno;
rtp->lasteventtimestamp = timestamp;
} else f = NULL;
if (f) return f; else return &null_frame;
} else if (rtpPT.code == AST_RTP_CISCO_DTMF) {
/* It's really special -- process it the Cisco way */
if (rtp->lasteventseqn <= seqno) {
if (rtp->lasteventtimestamp <= timestamp) {
f = process_cisco_dtmf(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
rtp->lasteventseqn = seqno;
rtp->lasteventtimestamp = timestamp;
} else f = NULL;
if (f) return f; else return &null_frame;
} else if (rtpPT.code == AST_RTP_CN) {