/** Load resource factory */
static apt_bool_t unimrcp_client_resource_factory_load(unimrcp_client_loader_t *loader, const apr_xml_elem *root)
{
const apr_xml_elem *elem;
mrcp_resource_factory_t *resource_factory;
mrcp_resource_loader_t *resource_loader = mrcp_resource_loader_create(FALSE,loader->pool);
if(!resource_loader) {
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Loading Resources");
for(elem = root->first_child; elem; elem = elem->next) {
if(strcasecmp(elem->name,"resource") == 0) {
unimrcp_client_resource_load(resource_loader,elem,loader->pool);
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Unknown Element <%s>",elem->name);
}
}
resource_factory = mrcp_resource_factory_get(resource_loader);
return mrcp_client_resource_factory_register(loader->client,resource_factory);
}
/* Create an MRCP client.
*
* Some code and ideas borrowed from unimrcp-client.c
* Please check $unimrcp_dir$/platforms/libunimrcp-client/src/unimrcp_client.c
* when upgrading the UniMRCP library to ensure nothing new needs to be set up.
*/
mrcp_client_t *mod_unimrcp_client_create(apr_pool_t *mod_pool)
{
mrcp_client_t *client = NULL;
apt_dir_layout_t *dir_layout = NULL;
apr_pool_t *pool = NULL;
mrcp_resource_factory_t *resource_factory = NULL;
mpf_codec_manager_t *codec_manager = NULL;
apr_size_t max_connection_count = 0;
apt_bool_t offer_new_connection = FALSE;
mrcp_connection_agent_t *shared_connection_agent = NULL;
mpf_engine_t *shared_media_engine = NULL;
if (!globals.profiles) {
ast_log(LOG_ERROR, "Profiles hash is NULL\n");
return NULL;
}
/* Create the client. */
if ((dir_layout = apt_default_dir_layout_create("../", mod_pool)) == NULL) {
ast_log(LOG_ERROR, "Unable to create directory layout\n");
return NULL;
}
if ((client = mrcp_client_create(dir_layout)) == NULL) {
ast_log(LOG_ERROR, "Unable to create MRCP client stack\n");
return NULL;
}
if ((pool = mrcp_client_memory_pool_get(client)) == NULL) {
ast_log(LOG_ERROR, "MRCP client pool is NULL\n");
return NULL;
}
mrcp_resource_loader_t *resource_loader = mrcp_resource_loader_create(FALSE, pool);
if (resource_loader == NULL) {
ast_log(LOG_ERROR, "Unable to create MRCP resource loader.\n");
return NULL;
}
apt_str_t resource_class_synth;
apt_str_t resource_class_recog;
apt_string_set(&resource_class_synth, "speechsynth");
apt_string_set(&resource_class_recog, "speechrecog");
mrcp_resource_load(resource_loader, &resource_class_synth);
mrcp_resource_load(resource_loader, &resource_class_recog);
resource_factory = mrcp_resource_factory_get(resource_loader);
if (!mrcp_client_resource_factory_register(client, resource_factory))
ast_log(LOG_WARNING, "Unable to register MRCP client resource factory\n");
if ((codec_manager = mpf_engine_codec_manager_create(pool)) != NULL) {
if (!mrcp_client_codec_manager_register(client, codec_manager))
ast_log(LOG_WARNING, "Unable to register MRCP client codec manager\n");
}
/* Set up MRCPv2 connection agent that will be shared with all profiles. */
if ((globals.unimrcp_max_connection_count != NULL) && (strlen(globals.unimrcp_max_connection_count) > 0))
max_connection_count = atoi(globals.unimrcp_max_connection_count);
if (max_connection_count <= 0)
max_connection_count = DEFAULT_UNIMRCP_MAX_CONNECTION_COUNT;
if (globals.unimrcp_offer_new_connection != NULL) {
if (strcasecmp(globals.unimrcp_offer_new_connection, "true") == 0 || atoi(globals.unimrcp_offer_new_connection) == 1)
offer_new_connection = TRUE;
}
else {
offer_new_connection = DEFAULT_UNIMRCP_OFFER_NEW_CONNECTION;
}
if ((shared_connection_agent = mrcp_client_connection_agent_create("MRCPv2ConnectionAgent", max_connection_count, offer_new_connection, pool)) != NULL) {
if (shared_connection_agent != NULL) {
if (globals.unimrcp_rx_buffer_size != NULL) {
apr_size_t rx_buffer_size = (apr_size_t)atol(globals.unimrcp_rx_buffer_size);
if (rx_buffer_size > 0) {
mrcp_client_connection_rx_size_set(shared_connection_agent, rx_buffer_size);
}
}
if (globals.unimrcp_tx_buffer_size != NULL) {
apr_size_t tx_buffer_size = (apr_size_t)atol(globals.unimrcp_tx_buffer_size);
if (tx_buffer_size > 0) {
mrcp_client_connection_tx_size_set(shared_connection_agent, tx_buffer_size);
}
}
if (globals.unimrcp_request_timeout != NULL) {
apr_size_t request_timeout = (apr_size_t)atol(globals.unimrcp_request_timeout);
if (request_timeout > 0) {
mrcp_client_connection_timeout_set(shared_connection_agent, request_timeout);
}
}
}
if (!mrcp_client_connection_agent_register(client, shared_connection_agent))
ast_log(LOG_WARNING, "Unable to register MRCP client connection agent\n");
}
/* Set up the media engine that will be shared with all profiles. */
if ((shared_media_engine = mpf_engine_create("MediaEngine", pool)) != NULL) {
unsigned long realtime_rate = 1;
if (!mpf_engine_scheduler_rate_set(shared_media_engine, realtime_rate))
ast_log(LOG_WARNING, "Unable to set scheduler rate for MRCP client media engine\n");
if (!mrcp_client_media_engine_register(client, shared_media_engine))
ast_log(LOG_WARNING, "Unable to register MRCP client media engine\n");
}
if (globals.profiles) {
if(load_profiles(client, shared_connection_agent, shared_media_engine, pool) !=0)
return NULL;
}
return client;
}
