Make delay for echo training configurable

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3291 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.0
Mark Spencer 21 years ago
parent 27bb1601d3
commit 08ac005489

@ -478,7 +478,7 @@ static struct zt_pvt {
int echocanbridged;
int echocanon;
int echobreak;
char echorest[10];
char echorest[20];
int permcallwaiting;
int callwaitingcallerid;
int threewaycalling;
@ -1200,7 +1200,7 @@ static void zt_train_ec(struct zt_pvt *p)
int x;
int res;
if (p && p->echocancel && p->echotraining) {
x = 400;
x = p->echotraining;
res = ioctl(p->subs[SUB_REAL].zfd, ZT_ECHOTRAIN, &x);
if (res)
ast_log(LOG_WARNING, "Unable to request echo training on channel %d\n", p->channel);
@ -1646,8 +1646,9 @@ static int zt_call(struct ast_channel *ast, char *rdest, int timeout)
} else
snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "T%sw", c + p->stripmsd);
if (strlen(p->dop.dialstr) > 4) {
strcpy(p->echorest, "w");
strcpy(p->echorest + 1, p->dop.dialstr + strlen(p->dop.dialstr) - 2);
memset(p->echorest, 'w', sizeof(p->echorest) - 1);
p->echorest[sizeof(p->echorest) - 1] = '\0';
strcpy(p->echorest + (p->echotraining / 400) + 1, p->dop.dialstr + strlen(p->dop.dialstr) - 2);
p->echobreak = 1;
p->dop.dialstr[strlen(p->dop.dialstr)-2] = '\0';
} else
@ -3193,8 +3194,9 @@ static struct ast_frame *zt_handle_event(struct ast_channel *ast)
if (*c) snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "M*0%s#", c);
else strcpy(p->dop.dialstr,"M*2#");
if (strlen(p->dop.dialstr) > 4) {
strcpy(p->echorest, "w");
strcpy(p->echorest + 1, p->dop.dialstr + strlen(p->dop.dialstr) - 2);
memset(p->echorest, 'w', sizeof(p->echorest) - 1);
p->echorest[sizeof(p->echorest) - 1] = '\0';
strcpy(p->echorest + (p->echotraining / 400) + 1, p->dop.dialstr + strlen(p->dop.dialstr) - 2);
p->echobreak = 1;
p->dop.dialstr[strlen(p->dop.dialstr)-2] = '\0';
} else
@ -8603,7 +8605,16 @@ static int setup_zap(void)
echocancel=128;
}
} else if (!strcasecmp(v->name, "echotraining")) {
echotraining = ast_true(v->value);
if (sscanf(v->value, "%i", &y) == 1) {
if ((y < 10) || (y > 4000)) {
ast_log(LOG_WARNING, "Echo training time must be within the range of 10 to 2000 ms at line %d\n", v->lineno);
} else {
echotraining = y;
}
} else if (ast_true(v->value)) {
echotraining = 400;
} else
echotraining = 0;
} else if (!strcasecmp(v->name, "hidecallerid")) {
hidecallerid = ast_true(v->value);
} else if (!strcasecmp(v->name, "callreturn")) {

@ -194,9 +194,11 @@ echocancelwhenbridged=yes
; is echo at the beginning of the call. Enabling echo training will cause
; asterisk to briefly mute the channel, send an impulse, and use the impulse
; response to pre-train the echo canceller so it can start out with a much
; closer idea of the actual echo.
; closer idea of the actual echo. Value may be "yes", "no", or a number of
; milliseconds to delay before training (default = 400)
;
;echotraining=yes
;echotraining=800
;
; If you are having trouble with DTMF detection, you can relax the
; DTMF detection parameters. Relaxing them may make the DTMF detector

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