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Ignore dupe packets for RFC2833 (bug #1034)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2895 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-05-05 03:56:27 +00:00
parent cc1da2eb5b
commit 6f3dd86f22
1 changed files with 10 additions and 3 deletions
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13
rtp.c
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@@ -43,7 +43,7 @@
#define TYPE_DONTSEND 0x3
#define TYPE_MASK 0x3
static int dtmftimeout = 300; /* 300 samples */
static int dtmftimeout = 3000; /* 3000 samples */
static int rtpstart = 0;
static int rtpend = 0;
@@ -68,6 +68,7 @@ struct ast_rtp {
unsigned int lastrxts;
unsigned int lastividtimestamp;
unsigned int lastovidtimestamp;
unsigned int lasteventseqn;
int lasttxformat;
int lastrxformat;
int dtmfcount;
@@ -449,11 +450,17 @@ 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 */
f = process_rfc2833(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
if (rtp->lasteventseqn <= seqno) {
f = process_rfc2833(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
rtp->lasteventseqn = seqno;
}
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 */
f = process_cisco_dtmf(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
if (rtp->lasteventseqn <= seqno) {
f = process_cisco_dtmf(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
rtp->lasteventseqn = seqno;
}
if (f) return f; else return &null_frame;
} else if (rtpPT.code == AST_RTP_CN) {
/* Comfort Noise */