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Formatting DTMF as a string

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a '+' separated list of DTMF strings

Each element in the list can contain an @ followed by
a duration in ms.

e.g.
1234@250+4321@500

sends the digits 1 2 3 4 at a rate of 250ms then
4 3 2 1 at a rate of 500




git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7193 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2008-01-12 20:30:48 +00:00
parent 7accbe103f
commit 3a5a239846
6 changed files with 108 additions and 30 deletions
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45
src/switch_channel.c
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@@ -249,6 +249,51 @@ SWITCH_DECLARE(switch_status_t) switch_channel_queue_dtmf(switch_channel_t *chan
}
SWITCH_DECLARE(switch_status_t) switch_channel_queue_dtmf_string(switch_channel_t *channel, const char *dtmf_string)
{
char *p;
switch_dtmf_t dtmf = {0, SWITCH_DEFAULT_DTMF_DURATION};
int sent = 0, dur;
char *string;
int i, argc;
char *argv[256];
switch_assert(channel != NULL);
if (switch_strlen_zero(dtmf_string)) {
return SWITCH_STATUS_FALSE;
}
string = switch_core_session_strdup(channel->session, dtmf_string);
argc = switch_separate_string(string, '+', argv, (sizeof(argv) / sizeof(argv[0])));
for(i = 0; i < argc; i++) {
dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
dur = SWITCH_DEFAULT_DTMF_DURATION / 8;
if ((p = strchr(argv[i], '@'))) {
*p++ = '\0';
if ((dur = atoi(p)) > 50) {
dtmf.duration = dur * 8;
}
}
for (p = argv[i]; p && *p; p++) {
if (is_dtmf(*p)) {
dtmf.digit = *p;
if (switch_channel_queue_dtmf(channel, &dtmf) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s Queue dtmf\ndigit=%c ms=%u samples=%u\n",
switch_channel_get_name(channel), dtmf.digit, dur, dtmf.duration);
sent++;
}
}
}
}
return sent ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_channel_dequeue_dtmf(switch_channel_t *channel, switch_dtmf_t *dtmf)
{
switch_event_t *event;