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Set "MARK" whenever SSRC changes (bug #6934)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26759 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2006-05-11 08:47:37 +00:00
parent c16bf2c7dd
commit dda130c334
1 changed files with 10 additions and 0 deletions
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10
rtp.c
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@@ -93,6 +93,7 @@ struct ast_rtp {
struct ast_frame f; struct ast_frame f;
unsigned char rawdata[8192 + AST_FRIENDLY_OFFSET]; unsigned char rawdata[8192 + AST_FRIENDLY_OFFSET];
unsigned int ssrc; /*!< Synchronization source, RFC 3550, page 10. */ unsigned int ssrc; /*!< Synchronization source, RFC 3550, page 10. */
unsigned int rxssrc;
unsigned int lastts; unsigned int lastts;
unsigned int lastdigitts; unsigned int lastdigitts;
unsigned int lastrxts; unsigned int lastrxts;
@@ -430,6 +431,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
int ext; int ext;
int x; int x;
char iabuf[INET_ADDRSTRLEN]; char iabuf[INET_ADDRSTRLEN];
unsigned int ssrc;
unsigned int timestamp; unsigned int timestamp;
unsigned int *rtpheader; unsigned int *rtpheader;
struct rtpPayloadType rtpPT; struct rtpPayloadType rtpPT;
@@ -485,6 +487,14 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
ext = seqno & (1 << 28); ext = seqno & (1 << 28);
seqno &= 0xffff; seqno &= 0xffff;
timestamp = ntohl(rtpheader[1]); timestamp = ntohl(rtpheader[1]);
ssrc = ntohl(rtpheader[2]);
if (!mark && rtp->rxssrc && rtp->rxssrc != ssrc) {
ast_log(LOG_WARNING, "Forcing Marker bit, because SSRC has changed\n");
mark = 1;
}
rtp->rxssrc = ssrc;
if (padding) { if (padding) {
/* Remove padding bytes */ /* Remove padding bytes */