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merge patch from MODAPP-12, thanks Bret.

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5257 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris
2007-06-04 22:10:42 +00:00
parent 47755f4d20
commit 4f04ce0518
4 changed files with 191 additions and 13 deletions
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117
src/switch_ivr_async.c
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@@ -25,6 +25,7 @@
*
* Anthony Minessale II <anthmct@yahoo.com>
* Michael Jerris <mike@jerris.com>
* Bret McDanel <bret AT 0xdecafbad dot com>
*
* switch_ivr_async.c -- IVR Library (async operations)
*
@@ -324,6 +325,122 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_inband_dtmf_session(switch_core_sessi
return SWITCH_STATUS_SUCCESS;
}
typedef struct {
switch_core_session_t *session;
teletone_multi_tone_t mt;
} switch_fax_detect_t;
static switch_bool_t fax_detect_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
switch_fax_detect_t *pvt = (switch_fax_detect_t *) user_data;
uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_frame_t frame = { 0 };
// switch_channel_t *channel = switch_core_session_get_channel(pvt->session);
// assert(channel != NULL);
frame.data = data;
frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
switch (type) {
case SWITCH_ABC_TYPE_INIT:
break;
case SWITCH_ABC_TYPE_CLOSE:
break;
case SWITCH_ABC_TYPE_READ:
if (switch_core_media_bug_read(bug, &frame) == SWITCH_STATUS_SUCCESS) {
if(teletone_multi_tone_detect(&pvt->mt, frame.data, frame.samples)) {
switch_event_t *event;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "FAX CNG DETECTED\n");
if (switch_event_create(&event, SWITCH_EVENT_DETECTED_FAX) == SWITCH_STATUS_SUCCESS) {
switch_event_t *dup;
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "fax", "detected");
if (switch_event_dup(&dup, event) == SWITCH_STATUS_SUCCESS) {
switch_event_fire(&dup);
}
if (switch_core_session_queue_event(pvt->session, &event) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Event queue failed!\n");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "delivery-failure", "true");
switch_event_fire(&event);
}
}
}
}
break;
case SWITCH_ABC_TYPE_WRITE:
default:
break;
}
return SWITCH_TRUE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_stop_fax_detect_session(switch_core_session_t *session)
{
switch_media_bug_t *bug;
switch_channel_t *channel = switch_core_session_get_channel(session);
assert(channel != NULL);
if ((bug = switch_channel_get_private(channel, "fax"))) {
switch_channel_set_private(channel, "fax", NULL);
switch_core_media_bug_remove(session, &bug);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_fax_detect_session(switch_core_session_t *session)
{
switch_channel_t *channel;
switch_codec_t *read_codec;
switch_media_bug_t *bug;
switch_status_t status;
switch_fax_detect_t *pvt;
teletone_tone_map_t *map;
int i;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
read_codec = switch_core_session_get_read_codec(session);
assert(read_codec != NULL);
if (!(pvt = switch_core_session_alloc(session, sizeof(*pvt)))) {
return SWITCH_STATUS_MEMERR;
}
if (!(map = switch_core_session_alloc(session, sizeof(*map)))) {
return SWITCH_STATUS_MEMERR;
}
for(i=0;i<TELETONE_MAX_TONES;i++) {
map->freqs[i] = 1100.0;
}
pvt->mt.sample_rate = read_codec->implementation->samples_per_second;
pvt->session = session;
teletone_multi_tone_init(&pvt->mt, map);
switch_channel_answer(channel);
if ((status = switch_core_media_bug_add(session, fax_detect_callback, pvt, 0, SMBF_READ_STREAM, &bug)) != SWITCH_STATUS_SUCCESS) {
return status;
}
switch_channel_set_private(channel, "fax", bug);
return SWITCH_STATUS_SUCCESS;
}
struct speech_thread_handle {
switch_core_session_t *session;
switch_asr_handle_t *ah;