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Fix timestamps on IAX2 trunk mode transmit direction

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2752 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-04-23 05:35:12 +00:00
parent 7bf0c1bc45
commit 90778ada6d
1 changed files with 11 additions and 4 deletions
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15
channels/chan_iax2.c
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@@ -2529,17 +2529,19 @@ static struct ast_channel *ast_iax2_new(struct chan_iax2_pvt *i, int state, int
return tmp;
}
static unsigned int calc_txpeerstamp(struct iax2_peer *peer)
static unsigned int calc_txpeerstamp(struct iax2_peer *peer, int sampms)
{
struct timeval tv;
unsigned int mssincetx;
unsigned int ms;
long int mssincetx;
long int ms, pred;
gettimeofday(&tv, NULL);
mssincetx = (tv.tv_sec - peer->lasttxtime.tv_sec) * 1000 + (tv.tv_usec - peer->lasttxtime.tv_usec) / 1000;
if (mssincetx > 5000) {
/* If it's been at least 5 seconds since the last time we transmitted on this trunk, reset our timers */
peer->txtrunktime.tv_sec = tv.tv_sec;
peer->txtrunktime.tv_usec = tv.tv_usec;
peer->lastsent = 999999;
}
/* Update last transmit time now */
peer->lasttxtime.tv_sec = tv.tv_sec;
@@ -2547,6 +2549,10 @@ static unsigned int calc_txpeerstamp(struct iax2_peer *peer)
/* Calculate ms offset */
ms = (tv.tv_sec - peer->txtrunktime.tv_sec) * 1000 + (tv.tv_usec - peer->txtrunktime.tv_usec) / 1000;
/* Predict from last value */
pred = peer->lastsent + sampms;
if (abs(ms - pred) < 640)
ms = pred;
/* We never send the same timestamp twice, so fudge a little if we must */
if (ms == peer->lastsent)
@@ -4244,7 +4250,7 @@ static int send_trunk(struct iax2_peer *peer)
meta->zeros = 0;
meta->metacmd = IAX_META_TRUNK;
meta->cmddata = 0;
mth->ts = htonl(calc_txpeerstamp(peer));
mth->ts = htonl(calc_txpeerstamp(peer, trunkfreq));
/* And the rest of the ast_iax2 header */
fr->direction = DIRECTION_OUTGRESS;
fr->retrans = -1;
@@ -5737,6 +5743,7 @@ static struct iax2_peer *build_peer(char *name, struct ast_variable *v)
memset(peer, 0, sizeof(struct iax2_peer));
peer->expire = -1;
peer->pokeexpire = -1;
peer->lastsent = 999999;
}
if (peer) {
if (!found) {