* Brian West <brian@freeswitch.org>
* Steve Underwood <steveu@coppice.org>
* Antonio Gallo <agx@linux.it>
+ * Christopher M. Rienzo <chris@rienzo.net>
* mod_spandsp.c -- Module implementing spandsp fax, dsp, and codec functionality
*
*/
switch_ivr_tone_detect_session(session, "t38", "1100.0", "rw", timeout, 1, data, NULL, t38_gateway_start);
}
+/**
+ * Start tone detector application
+ *
+ * @param data the command string
+ */
+SWITCH_STANDARD_APP(start_tone_detect_app)
+{
+ switch_channel_t *channel;
+ if (!session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No session\n");
+ return;
+ }
+ channel = switch_core_session_get_channel(session);
+ if (zstr(data)) {
+ switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "-ERR missing descriptor name");
+ } else if (callprogress_detector_start(session, data) != SWITCH_STATUS_SUCCESS) {
+ switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "-ERR failed to start tone detector");
+ } else {
+ switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "+OK started");
+ }
+}
+
+/**
+ * Start tone detector API
+ */
+SWITCH_STANDARD_API(start_tone_detect_api)
+{
+ switch_status_t status = SWITCH_STATUS_SUCCESS;
+
+ if (zstr(cmd)) {
+ stream->write_function(stream, "-ERR missing descriptor name\n");
+ return SWITCH_STATUS_SUCCESS;
+ }
+
+ if (!session) {
+ stream->write_function(stream, "-ERR no session\n");
+ return SWITCH_STATUS_SUCCESS;
+ }
+
+ status = callprogress_detector_start(session, cmd);
+ if (status == SWITCH_STATUS_SUCCESS) {
+ stream->write_function(stream, "+OK started\n");
+ } else {
+ stream->write_function(stream, "-ERR failed to start tone detector\n");
+ }
+
+ return status;
+}
+
+/**
+ * Stop tone detector application
+ *
+ * @param data the command string
+ */
+SWITCH_STANDARD_APP(stop_tone_detect_app)
+{
+ switch_channel_t *channel;
+ if (!session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No session\n");
+ return;
+ }
+ channel = switch_core_session_get_channel(session);
+ callprogress_detector_stop(session);
+ switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "+OK stopped");
+}
+
+/**
+ * Stop tone detector API
+ */
+SWITCH_STANDARD_API(stop_tone_detect_api)
+{
+ switch_status_t status = SWITCH_STATUS_SUCCESS;
+ if (!session) {
+ stream->write_function(stream, "-ERR no session\n");
+ return SWITCH_STATUS_SUCCESS;
+ }
+ callprogress_detector_stop(session);
+ stream->write_function(stream, "+OK stopped\n");
+ return status;
+}
+
SWITCH_MODULE_LOAD_FUNCTION(mod_spandsp_init)
{
switch_application_interface_t *app_interface;
+ switch_api_interface_t *api_interface;
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
SWITCH_ADD_APP(app_interface, "spandsp_stop_dtmf", "stop inband dtmf", "Stop detecting inband dtmf.", stop_dtmf_session_function, "", SAF_NONE);
SWITCH_ADD_APP(app_interface, "spandsp_start_dtmf", "Detect dtmf", "Detect inband dtmf on the session", dtmf_session_function, "", SAF_MEDIA_TAP);
+ SWITCH_ADD_APP(app_interface, "start_tone_detect", "Start background tone detection with cadence", "", start_tone_detect_app, "[name]", SAF_NONE);
+ SWITCH_ADD_APP(app_interface, "stop_tone_detect", "Stop background tone detection with cadence", "", stop_tone_detect_app, "", SAF_NONE);
+ SWITCH_ADD_API(api_interface, "start_tone_detect", "Start background tone detection with cadence", start_tone_detect_api, "[name]");
+ SWITCH_ADD_API(api_interface, "stop_tone_detect", "Stop backbground tone detection with cadence", stop_tone_detect_api, "");
+
+
mod_spandsp_fax_load(pool);
mod_spandsp_codecs_load(module_interface, pool);
+ if (mod_spandsp_dsp_load(module_interface, pool) != SWITCH_STATUS_SUCCESS) {
+ return SWITCH_STATUS_FALSE;
+ }
if ((switch_event_bind_removable(modname, SWITCH_EVENT_RELOADXML, NULL, event_handler, NULL, &NODE) != SWITCH_STATUS_SUCCESS)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind our reloadxml handler!\n");
switch_event_unbind(&NODE);
mod_spandsp_fax_shutdown();
+ mod_spandsp_dsp_shutdown();
return SWITCH_STATUS_UNLOAD;
}
* Anthony Minessale II <anthm@freeswitch.org>
* Steve Underwood <steveu@coppice.org>
* Antonio Gallo <agx@linux.it>
+ * Christopher M. Rienzo <chris@rienzo.net>
* mod_spandsp_dsp.c -- dsp applications provided by SpanDSP
*
*/
return SWITCH_STATUS_SUCCESS;
}
+
+
+/* private channel data */
+#define TONE_PRIVATE "mod_tone_detect_bug"
+
+/**
+ * Module global variables
+ */
+struct globals {
+ /** Memory pool */
+ switch_memory_pool_t *pool;
+ /** Call progress tones mapped by descriptor name */
+ switch_hash_t *tones;
+ /** Default debug level */
+ int debug;
+};
+typedef struct globals globals_t;
+static globals_t globals;
+
+/******************************************************************************
+ * TONE DETECTION WITH CADENCE
+ */
+
+#define MAX_TONES 32
+
+/**
+ * Tone descriptor
+ *
+ * Defines a set of tones to look for
+ */
+struct tone_descriptor {
+ /** The name of this descriptor set */
+ const char *name;
+
+ /** Describes the tones to watch */
+ super_tone_rx_descriptor_t *spandsp_tone_descriptor;
+
+ /** The mapping of tone id to key */
+ const char *tone_keys[MAX_TONES];
+};
+typedef struct tone_descriptor tone_descriptor_t;
+
+static switch_status_t tone_descriptor_create(tone_descriptor_t **descriptor, const char *name, switch_memory_pool_t *memory_pool);
+static int tone_descriptor_add_tone(tone_descriptor_t *descriptor, const char *name);
+static switch_status_t tone_descriptor_add_tone_element(tone_descriptor_t *descriptor, int tone_id, int freq1, int freq2, int min, int max);
+
+/**
+ * Tone detector
+ *
+ * Performs detection for the tones described by the descriptor.
+ */
+struct tone_detector {
+ /** The tones to look for */
+ tone_descriptor_t *descriptor;
+
+ /** The detector */
+ super_tone_rx_state_t *spandsp_detector;
+
+ /** The detected tone */
+ int detected_tone;
+
+ /** The debug level */
+ int debug;
+};
+typedef struct tone_detector tone_detector_t;
+
+static switch_status_t tone_detector_create(tone_detector_t **detector, tone_descriptor_t *descriptor, switch_memory_pool_t *memory_pool);
+static switch_bool_t tone_detector_process_buffer(tone_detector_t *detector, void *data, unsigned int len, const char **key);
+static void tone_detector_destroy(tone_detector_t *detector);
+
+static switch_bool_t callprogress_detector_process_buffer(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type);
+
+/**
+ * Allocate the tone descriptor
+ *
+ * @param descriptor the descriptor to create
+ * @param name the descriptor name
+ * @param memory_pool the pool to use
+ * @return SWITCH_STATUS_SUCCESS if successful
+ */
+static switch_status_t tone_descriptor_create(tone_descriptor_t **descriptor, const char *name, switch_memory_pool_t *memory_pool)
+{
+ tone_descriptor_t *ldescriptor = NULL;
+ ldescriptor = switch_core_alloc(memory_pool, sizeof(tone_descriptor_t));
+ if (!ldescriptor) {
+ return SWITCH_STATUS_FALSE;
+ }
+ memset(ldescriptor, 0, sizeof(tone_descriptor_t));
+ ldescriptor->name = switch_core_strdup(memory_pool, name);
+ ldescriptor->spandsp_tone_descriptor = super_tone_rx_make_descriptor(NULL);
+ *descriptor = ldescriptor;
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Add a tone to the tone descriptor
+ *
+ * @param descriptor the tone descriptor
+ * @param key the tone key - this will be returned by the detector upon match
+ * @return the tone ID
+ */
+static int tone_descriptor_add_tone(tone_descriptor_t *descriptor, const char *key)
+{
+ int id = super_tone_rx_add_tone(descriptor->spandsp_tone_descriptor);
+ if (id >= MAX_TONES) {
+ return -1;
+ }
+ descriptor->tone_keys[id] = key;
+
+ return id;
+}
+
+/**
+ * Add a tone element to the tone descriptor
+ *
+ * @param descriptor the tone descriptor
+ * @param tone_id the tone ID
+ * @param freq1 the first frequency (0 if none)
+ * @param freq2 the second frequency (0 if none)
+ * @param min the minimum tone duration in ms
+ * @param max the maximum tone duration in ms
+ * @return SWITCH_STATUS_SUCCESS if successful
+ */
+static switch_status_t tone_descriptor_add_tone_element(tone_descriptor_t *descriptor, int tone_id, int freq1, int freq2, int min, int max)
+{
+ if (super_tone_rx_add_element(descriptor->spandsp_tone_descriptor, tone_id, freq1, freq2, min, max) == 0) {
+ return SWITCH_STATUS_SUCCESS;
+ }
+ return SWITCH_STATUS_FALSE;
+}
+
+/**
+ * Process tone report callback from spandsp
+ *
+ * @param user_data the tone_detector
+ * @param code the detected tone
+ * @param level unused
+ * @param delay unused
+ */
+static void tone_report_callback(void *user_data, int code, int level, int delay)
+{
+ tone_detector_t *detector = (tone_detector_t *)user_data;
+ if (detector->debug > 0) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Tone report: code = %d, level = %d, delay = %d\n", code, level, delay);
+ }
+ detector->detected_tone = code;
+}
+
+/**
+ * Process tone segment report from spandsp (for debugging)
+ *
+ * @param user_data the tone_detector
+ * @param f1 the first frequency of the segment
+ * @param f2 the second frequency of the segment
+ * @param duration the duration of the segment
+ */
+static void tone_segment_callback(void *user_data, int f1, int f2, int duration)
+{
+ tone_detector_t *detector = (tone_detector_t *)user_data;
+ if (detector->debug > 1) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Tone segment: f1 = %d, f2 = %d, duration = %d\n", f1, f2, duration);
+ }
+}
+
+/**
+ * Allocate the tone detector
+ *
+ * @param detector the detector to create
+ * @param descriptor the descriptor to use
+ * @param memory_pool the pool to use
+ * @return SWITCH_STATUS_SUCCESS if successful
+ */
+static switch_status_t tone_detector_create(tone_detector_t **detector, tone_descriptor_t *descriptor, switch_memory_pool_t *memory_pool)
+{
+ tone_detector_t *ldetector = NULL;
+ ldetector = switch_core_alloc(memory_pool, sizeof(tone_detector_t));
+ if (!ldetector) {
+ return SWITCH_STATUS_FALSE;
+ }
+ memset(ldetector, 0, sizeof(tone_detector_t));
+ ldetector->descriptor = descriptor;
+ ldetector->debug = globals.debug;
+ *detector = ldetector;
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Initialize detector. Call when media bug starts detection
+ *
+ * @param detector the detector to initialize
+ */
+static void tone_detector_init(tone_detector_t *detector)
+{
+ detector->spandsp_detector = super_tone_rx_init(NULL, detector->descriptor->spandsp_tone_descriptor, tone_report_callback, detector);
+ super_tone_rx_segment_callback(detector->spandsp_detector, tone_segment_callback);
+}
+
+/**
+ * Process the buffer looking for tones
+ *
+ * @param data the data to process
+ * @param len the amount of data to process
+ * @param key the found tone key
+ * @return SWITCH_TRUE if a tone was found
+ */
+static switch_bool_t tone_detector_process_buffer(tone_detector_t *detector, void *data, unsigned int len, const char **key)
+{
+ detector->detected_tone = -1;
+ super_tone_rx(detector->spandsp_detector, data, len);
+ if (detector->detected_tone != -1) {
+ *key = detector->descriptor->tone_keys[detector->detected_tone];
+ return SWITCH_TRUE;
+ }
+ return SWITCH_FALSE;
+}
+
+/**
+ * Destroy the tone detector
+ * @param detector the detector to destroy
+ */
+static void tone_detector_destroy(tone_detector_t *detector)
+{
+ if (detector) {
+ if (detector->spandsp_detector) {
+ super_tone_rx_release(detector->spandsp_detector);
+ super_tone_rx_free(detector->spandsp_detector);
+ detector->spandsp_detector = NULL;
+ }
+ }
+}
+
+/**
+ * Start call progress detection
+ *
+ * @param session the session to detect
+ * @param name of the descriptor to use
+ * @return SWITCH_STATUS_SUCCESS if successful
+ */
+switch_status_t callprogress_detector_start(switch_core_session_t *session, const char *name)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ tone_detector_t *detector = NULL;
+ tone_descriptor_t *descriptor = NULL;
+ switch_media_bug_t *bug = NULL;
+
+ /* are we already running? */
+ bug = switch_channel_get_private(channel, TONE_PRIVATE);
+ if (bug) {
+ return SWITCH_STATUS_FALSE;
+ }
+
+ /* find the tone descriptor with the matching name and create the detector */
+ descriptor = switch_core_hash_find(globals.tones, name);
+ if (!descriptor) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "(%s) no tone descriptor defined with name '%s'. Update configuration. \n", switch_channel_get_name(channel), name);
+ return SWITCH_STATUS_FALSE;
+ }
+ tone_detector_create(&detector, descriptor, switch_core_session_get_pool(session));
+
+ /* start listening for tones */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "(%s) Starting tone detection for '%s'\n", switch_channel_get_name(channel), name);
+ switch_core_media_bug_add(session, "spandsp_tone_detect", NULL,
+ callprogress_detector_process_buffer, detector, 0 /* stop time */, SMBF_READ_STREAM, &bug);
+ if (!bug) {
+ return SWITCH_STATUS_FALSE;
+ }
+ switch_channel_set_private(channel, TONE_PRIVATE, bug);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Process a buffer of audio data for call progress tones
+ *
+ * @param bug the session's media bug
+ * @param user_data the detector
+ * @param type the type of data available from the bug
+ * @return SWITCH_TRUE
+ */
+static switch_bool_t callprogress_detector_process_buffer(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
+{
+ uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
+ switch_frame_t frame = { 0 };
+ tone_detector_t *detector = (tone_detector_t *)user_data;
+ switch_core_session_t *session = switch_core_media_bug_get_session(bug);
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+
+ frame.data = data;
+ frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
+
+ switch(type) {
+ case SWITCH_ABC_TYPE_INIT:
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "(%s) initializing tone detector\n", switch_channel_get_name(channel));
+ tone_detector_init(detector);
+ break;
+ case SWITCH_ABC_TYPE_READ:
+ {
+ const char *detected_tone = NULL;
+ if (!detector->spandsp_detector) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "(%s) detector is destroyed\n", switch_channel_get_name(channel));
+ return SWITCH_FALSE;
+ }
+ if (switch_core_media_bug_read(bug, &frame, SWITCH_TRUE) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "(%s) error reading frame\n", switch_channel_get_name(channel));
+ return SWITCH_FALSE;
+ }
+ tone_detector_process_buffer(detector, frame.data, frame.samples, &detected_tone);
+ if (detected_tone) {
+ switch_event_t *event = NULL;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "(%s) DETECTED TONE: %s\n", switch_channel_get_name(channel), detected_tone);
+ if (switch_event_create(&event, SWITCH_EVENT_DETECTED_TONE) == SWITCH_STATUS_SUCCESS) {
+ switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detected-Tone", detected_tone);
+ switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(session));
+ switch_event_fire(&event);
+ }
+ }
+ break;
+ }
+ case SWITCH_ABC_TYPE_WRITE:
+ break;
+ case SWITCH_ABC_TYPE_WRITE_REPLACE:
+ break;
+ case SWITCH_ABC_TYPE_READ_REPLACE:
+ break;
+ case SWITCH_ABC_TYPE_READ_PING:
+ break;
+ case SWITCH_ABC_TYPE_CLOSE:
+ if (detector->spandsp_detector) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "(%s) destroying tone detector\n", switch_channel_get_name(channel));
+ tone_detector_destroy(detector);
+ }
+ break;
+ }
+ return SWITCH_TRUE;
+}
+
+/**
+ * Stop call progress detection
+ * @param session the session to stop
+ * @return SWITCH_STATUS_SUCCESS if successful
+ */
+switch_status_t callprogress_detector_stop(switch_core_session_t *session)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ switch_media_bug_t *bug = switch_channel_get_private(channel, TONE_PRIVATE);
+ if (bug) {
+ switch_core_media_bug_close(&bug);
+ switch_channel_set_private(channel, TONE_PRIVATE, NULL);
+ }
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Process configuration file
+ */
+static switch_status_t do_config(void)
+{
+ switch_status_t status = SWITCH_STATUS_SUCCESS;
+ switch_xml_t cfg = NULL, xml = NULL, callprogress = NULL, xdescriptor = NULL;
+ if (!(xml = switch_xml_open_cfg("spandsp.conf", &cfg, NULL))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Could not open tone_detect.conf\n");
+ status = SWITCH_STATUS_FALSE;
+ goto done;
+ }
+
+ /* TODO make configuration param */
+ globals.debug = 1;
+
+ /* Configure call progress detector */
+ if ((callprogress = switch_xml_child(cfg, "descriptors"))) {
+ for (xdescriptor = switch_xml_child(callprogress, "descriptor"); xdescriptor; xdescriptor = switch_xml_next(xdescriptor)) {
+ const char *name = switch_xml_attr(xdescriptor, "name");
+ const char *tone_name = NULL;
+ switch_xml_t tone = NULL, element = NULL;
+ tone_descriptor_t *descriptor = NULL;
+
+ /* create descriptor */
+ if (zstr(name)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Missing <descriptor> name\n");
+ return SWITCH_STATUS_FALSE;
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Adding tone_descriptor: %s\n", name);
+ if (tone_descriptor_create(&descriptor, name, globals.pool) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Unable to allocate tone_descriptor: %s\n", name);
+ return SWITCH_STATUS_FALSE;
+ }
+ switch_core_hash_insert(globals.tones, name, descriptor);
+
+ /* add tones to descriptor */
+ for (tone = switch_xml_child(xdescriptor, "tone"); tone; tone = switch_xml_next(tone)) {
+ int id = 0;
+ tone_name = switch_xml_attr(tone, "name");
+ if (zstr(tone_name)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Missing <tone> name for <descriptor> %s\n", name);
+ return SWITCH_STATUS_FALSE;
+ }
+ id = tone_descriptor_add_tone(descriptor, tone_name);
+ if (id == -1) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unable to add tone_descriptor: %s, tone: %s. (too many tones)\n", name, tone_name);
+ return SWITCH_STATUS_FALSE;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Adding tone_descriptor: %s, tone: %s(%d)\n", name, tone_name, id);}
+ /* add elements to tone */
+ for (element = switch_xml_child(tone, "element"); element; element = switch_xml_next(element)) {
+ const char *freq1_attr = switch_xml_attr(element, "freq1");
+ const char *freq2_attr = switch_xml_attr(element, "freq2");
+ const char *min_attr = switch_xml_attr(element, "min");
+ const char *max_attr = switch_xml_attr(element, "max");
+ int freq1, freq2, min, max;
+ if (zstr(freq1_attr)) {
+ freq1 = 0;
+ } else {
+ freq1 = atoi(freq1_attr);
+ }
+ if (zstr(freq2_attr)) {
+ freq2 = 0;
+ } else {
+ freq2 = atoi(freq2_attr);
+ }
+ if (zstr(min_attr)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Missing min in <element> of <descriptor> %s <tone> %s(%d)\n", name, tone_name, id);
+ return SWITCH_STATUS_FALSE;
+ }
+ min = atoi(min_attr);
+ if (zstr(max_attr)) {
+ max = 0;
+ } else {
+ max = atoi(max_attr);
+ }
+ /* check params */
+ if ((freq1 < 0 || freq2 < 0 || min < 0 || max < 0) || (freq1 == 0 && min == 0 && max == 0)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid element param.\n");
+ return SWITCH_STATUS_FALSE;
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Adding tone_descriptor: %s, tone: %s(%d), element (%d, %d, %d, %d)\n", name, tone_name, id, freq1, freq2, min, max);
+ tone_descriptor_add_tone_element(descriptor, id, freq1, freq2, min, max);
+ }
+ }
+ }
+ }
+
+done:
+ if (xml) {
+ switch_xml_free(xml);
+ }
+
+ return status;
+}
+
+/**
+ * Called when FreeSWITCH loads the module
+ */
+switch_status_t mod_spandsp_dsp_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool)
+{
+ memset(&globals, 0, sizeof(globals_t));
+ globals.pool = pool;
+
+ switch_core_hash_init(&globals.tones, globals.pool);
+ if (do_config() != SWITCH_STATUS_SUCCESS) {
+ return SWITCH_STATUS_FALSE;
+ }
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Called when FreeSWITCH stops the module
+ */
+void mod_spandsp_dsp_shutdown(void)
+{
+ switch_core_hash_destroy(&globals.tones);
+}
+
+
/* For Emacs:
* Local Variables:
* mode:c
projects / thirdparty / freeswitch.git / commitdiff
