*
* Anthony Minessale II <anthmct@yahoo.com>
* Neal Horman <neal at wanlink dot com>
- *
+ * Bret McDanel <trixter AT 0xdecafbad dot com>
*
* switch_ivr.h -- IVR Library
*
*/
SWITCH_DECLARE(switch_status_t) switch_ivr_stop_record_session(switch_core_session_t *session, char *file);
+/*!
+ \brief Start looking for DTMF inband
+ \param session the session to start looking
+ \return SWITCH_STATUS_SUCCESS if all is well
+*/
SWITCH_DECLARE(switch_status_t) switch_ivr_inband_dtmf_session(switch_core_session_t *session);
+
+/*!
+ \brief Stop looking for DTMF inband
+ \param session the session to stop looking
+ \return SWITCH_STATUS_SUCCESS if all is well
+*/
SWITCH_DECLARE(switch_status_t) switch_ivr_stop_inband_dtmf_session(switch_core_session_t *session);
+
+/*!
+ \brief XXX DESCRIBE ME
+ \param session the session to act on
+ \return SWITCH_STATUS_SUCCESS if all is well - maybe more XXX FIXME
+*/
SWITCH_DECLARE(void) switch_ivr_session_echo(switch_core_session_t *session);
+/*!
+ \brief Stop looking for FAX CNG
+ \param session the session to stop looking
+ \return SWITCH_STATUS_SUCCESS if all is well
+*/
+SWITCH_DECLARE(switch_status_t) switch_ivr_stop_fax_detect_session(switch_core_session_t *session);
+
+/*!
+ \brief Start looking for FAX CNG
+ \param session the session to start looking
+ \return SWITCH_STATUS_SUCCESS if all is well
+*/
+SWITCH_DECLARE(switch_status_t) switch_ivr_fax_detect_session(switch_core_session_t *session);
+
+
+
/*!
\brief play a file from the disk to the session
\param session the session to play the file too
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
+ * Bret McDanel <trixter AT 0xdecafbad dot com>
*
* switch_types.h -- Data Types
*
SWITCH_EVENT_CODEC - Codec Change
SWITCH_EVENT_BACKGROUND_JOB - Background Job
SWITCH_EVENT_DETECTED_SPEECH - Detected Speech
+ SWITCH_EVENT_DETECTED_FAX - Detected Fax CNG Tone
SWITCH_EVENT_PRIVATE_COMMAND - A private command event
SWITCH_EVENT_HEARTBEAT - Machine is alive
SWITCH_EVENT_TRAP - Error Trap
SWITCH_EVENT_CODEC,
SWITCH_EVENT_BACKGROUND_JOB,
SWITCH_EVENT_DETECTED_SPEECH,
+ SWITCH_EVENT_DETECTED_FAX,
SWITCH_EVENT_PRIVATE_COMMAND,
SWITCH_EVENT_HEARTBEAT,
SWITCH_EVENT_TRAP,
* Ken Rice, Asteria Solutions Group, Inc <ken@asteriasgi.com>
* Michael Murdock <mike at mmurdock dot org>
* Neal Horman <neal at wanlink dot com>
+ * Bret McDanel <trixter AT 0xdecafbad dot com>
*
* mod_dptools.c -- Raw Audio File Streaming Application Module
*
static void dtm_session_function(switch_core_session_t *session, char *data)
{
- switch_channel_t *channel;
-
- channel = switch_core_session_get_channel(session);
- assert(channel != NULL);
-
switch_ivr_inband_dtmf_session(session);
}
static void stop_dtmf_session_function(switch_core_session_t *session, char *data)
{
- switch_channel_t *channel;
+ switch_ivr_stop_inband_dtmf_session(session);
+}
- channel = switch_core_session_get_channel(session);
- assert(channel != NULL);
+static void fax_detect_session_function(switch_core_session_t *session, char *data)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Enabling fax detection\n");
+ switch_ivr_fax_detect_session(session);
+}
- switch_ivr_stop_inband_dtmf_session(session);
+static void stop_fax_detect_session_function(switch_core_session_t *session, char *data)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Disabling fax detection\n");
+ switch_ivr_stop_fax_detect_session(session);
}
+
static const switch_api_interface_t strepoch_api_interface = {
/*.interface_name */ "strepoch",
/*.desc */ "Convert a date string into epoch time",
/*.next */ &dptools_api_interface
};
+
+static const switch_application_interface_t fax_detect_application_interface = {
+ /*.interface_name */ "fax_detect",
+ /*.application_function */ fax_detect_session_function,
+ /* long_desc */ "Detect fax send tone",
+ /* short_desc */ "Detect faxes",
+ /* syntax */ "",
+ /* flags */ SAF_NONE,
+ /*.next */ NULL
+};
+
+static const switch_application_interface_t stop_fax_detect_application_interface = {
+ /*.interface_name */ "stop_fax_detect",
+ /*.application_function */ stop_fax_detect_session_function,
+ /* long_desc */ "Stop detecting fax send tones",
+ /* short_desc */ "stop detecting faxes",
+ /* syntax */ "",
+ /* flags */ SAF_NONE,
+ /* next */ &fax_detect_application_interface
+};
+
static const switch_application_interface_t dtmf_application_interface = {
/*.interface_name */ "start_dtmf",
/*.application_function */ dtm_session_function,
/* short_desc */ "Detect dtmf",
/* syntax */ "",
/* flags */ SAF_NONE,
- NULL
+ /* next */ &stop_fax_detect_application_interface
};
static const switch_application_interface_t stop_dtmf_application_interface = {
/*.application_function */ stop_dtmf_session_function,
/* long_desc */ "Stop detecting inband dtmf.",
/* short_desc */ "stop inband dtmf.",
- /* syntax */ "<path>",
+ /* syntax */ "",
/* flags */ SAF_NONE,
&dtmf_application_interface
};
*
* 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)
*
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;
projects / thirdparty / freeswitch.git / commitdiff
