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add doxygen documentation and fix various issues with ast_dtmf_stream

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(discussed in issue #6087)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7969 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2006-01-11 05:23:19 +00:00
parent 752e3c8938
commit 60174631fc
2 changed files with 52 additions and 38 deletions
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76
app.c
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@@ -279,53 +279,57 @@ int ast_app_messagecount(const char *mailbox, int *newmsgs, int *oldmsgs)
return 0;
}
int ast_dtmf_stream(struct ast_channel *chan,struct ast_channel *peer,char *digits,int between)
int ast_dtmf_stream(struct ast_channel *chan, struct ast_channel *peer, const char *digits, int between)
{
char *ptr;
const char *ptr;
int res = 0;
struct ast_frame f;
struct ast_frame f = {
.frametype = AST_FRAME_DTMF,
.src = "ast_dtmf_stream"
};
if (!between)
between = 100;
if (peer)
res = ast_autoservice_start(peer);
if (!res) {
res = ast_waitfor(chan,100);
if (res > -1) {
for (ptr=digits; *ptr; ptr++) {
if (*ptr == 'w') {
res = ast_safe_sleep(chan, 500);
if (res)
break;
continue;
}
memset(&f, 0, sizeof(f));
f.frametype = AST_FRAME_DTMF;
if (!res)
res = ast_waitfor(chan, 100);
/* ast_waitfor will return the number of remaining ms on success */
if (res < 0)
return res;
for (ptr = digits; *ptr; ptr++) {
if (*ptr == 'w') {
/* 'w' -- wait half a second */
if ((res = ast_safe_sleep(chan, 500)))
break;
} else if (strchr("0123456789*#abcdfABCDF", *ptr)) {
/* Character represents valid DTMF */
if (*ptr == 'f' || *ptr == 'F') {
/* ignore return values if not supported by channel */
ast_indicate(chan, AST_CONTROL_FLASH);
} else {
f.subclass = *ptr;
f.src = "ast_dtmf_stream";
if (strchr("0123456789*#abcdfABCDF",*ptr)==NULL) {
ast_log(LOG_WARNING, "Illegal DTMF character '%c' in string. (0-9*#aAbBcCdDfF allowed)\n",*ptr);
} else {
if (*ptr == 'f' || *ptr == 'F') {
/* ignore return values if not supported by channel */
ast_indicate(chan, AST_CONTROL_FLASH);
res = 0;
} else {
res = ast_write(chan, &f);
}
if (res)
break;
/* pause between digits */
res = ast_safe_sleep(chan,between);
if (res)
break;
}
if ((res = ast_write(chan, &f)))
break;
}
}
if (peer)
res = ast_autoservice_stop(peer);
/* pause between digits */
if ((res = ast_safe_sleep(chan, between)))
break;
} else
ast_log(LOG_WARNING, "Illegal DTMF character '%c' in string. (0-9*#aAbBcCdD allowed)\n",*ptr);
}
if (peer) {
/* Stop autoservice on the peer channel, but don't overwrite any error condition
that has occurred previously while acting on the primary channel */
if (ast_autoservice_stop(peer) && !res)
res = -1;
}
return res;
}