/** \brief Load module */
static int load_module(void)
{
ast_log(LOG_NOTICE, "Load Res-Speech-UniMRCP module\n");
if(uni_engine_load() == FALSE) {
return AST_MODULE_LOAD_FAILURE;
}
if(mrcp_client_start(uni_engine.client) != TRUE) {
ast_log(LOG_ERROR, "Failed to start MRCP client\n");
uni_engine_unload();
return AST_MODULE_LOAD_FAILURE;
}
#if AST_VERSION_AT_LEAST(10,0,0)
#if AST_VERSION_AT_LEAST(13,0,0)
ast_engine.formats = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
#elif AST_VERSION_AT_LEAST(12,0,0)
ast_engine.formats = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK);
#else /* <= 11 */
ast_engine.formats = ast_format_cap_alloc_nolock();
#endif
if(!ast_engine.formats) {
ast_log(LOG_ERROR, "Failed to alloc media format capabilities\n");
uni_engine_unload();
return AST_MODULE_LOAD_FAILURE;
}
#if AST_VERSION_AT_LEAST(13,0,0)
ast_format_cap_append(ast_engine.formats, ast_format_slin, 0);
#else
struct ast_format format;
ast_format_set(&format, AST_FORMAT_SLINEAR, 0);
ast_format_cap_add(ast_engine.formats, &format);
#endif
#else /* <= 1.8 */
ast_engine.formats = AST_FORMAT_SLINEAR;
#endif
if(ast_speech_register(&ast_engine)) {
ast_log(LOG_ERROR, "Failed to register module\n");
mrcp_client_shutdown(uni_engine.client);
uni_engine_unload();
return AST_MODULE_LOAD_FAILURE;
}
return AST_MODULE_LOAD_SUCCESS;
}
/** \brief Unload module */
static int unload_module(void)
{
ast_log(LOG_NOTICE, "Unload UniMRCP module\n");
if(ast_speech_unregister(UNI_ENGINE_NAME)) {
ast_log(LOG_ERROR, "Failed to unregister module\n");
}
if(uni_engine.client) {
mrcp_client_shutdown(uni_engine.client);
}
uni_engine_unload();
return 0;
}
/** \brief Load UniMRCP engine */
static apt_bool_t uni_engine_load()
{
apr_pool_t *pool;
apt_dir_layout_t *dir_layout;
/* APR global initialization */
if(apr_initialize() != APR_SUCCESS) {
ast_log(LOG_ERROR, "Failed to initialize APR\n");
return FALSE;
}
uni_engine.pool = NULL;
uni_engine.client = NULL;
uni_engine.application = NULL;
uni_engine.profile = NULL;
uni_engine.log_level = APT_PRIO_INFO;
uni_engine.log_output = APT_LOG_OUTPUT_CONSOLE | APT_LOG_OUTPUT_FILE;
uni_engine.grammars = NULL;
pool = apt_pool_create();
if(!pool) {
ast_log(LOG_ERROR, "Failed to create APR pool\n");
uni_engine_unload();
return FALSE;
}
uni_engine.pool = pool;
uni_engine.v2_properties = NULL;
uni_engine.v1_properties = NULL;
/* Load engine configuration */
uni_engine_config_load(pool);
if(!uni_engine.profile) {
uni_engine.profile = "uni2";
}
dir_layout = apt_default_dir_layout_create(UNIMRCP_DIR_LOCATION,pool);
/* Create singleton logger */
apt_log_instance_create(uni_engine.log_output, uni_engine.log_level, pool);
/* Open the log file */
apt_log_file_open(dir_layout->log_dir_path,"astuni",MAX_LOG_FILE_SIZE,MAX_LOG_FILE_COUNT,TRUE,pool);
uni_engine.client = unimrcp_client_create(dir_layout);
if(uni_engine.client) {
uni_engine.application = mrcp_application_create(
uni_message_handler,
&uni_engine,
pool);
if(uni_engine.application) {
mrcp_client_application_register(
uni_engine.client,
uni_engine.application,
"ASTMRCP");
}
}
if(!uni_engine.client || !uni_engine.application) {
ast_log(LOG_ERROR, "Failed to initialize client stack\n");
uni_engine_unload();
return FALSE;
}
return TRUE;
}
/** \brief Load UniMRCP engine */
static apt_bool_t uni_engine_load()
{
apr_pool_t *pool;
apt_dir_layout_t *dir_layout;
/* APR global initialization */
if(apr_initialize() != APR_SUCCESS) {
ast_log(LOG_ERROR, "Failed to initialize APR\n");
return FALSE;
}
uni_engine.pool = NULL;
uni_engine.client = NULL;
uni_engine.application = NULL;
uni_engine.profile = NULL;
uni_engine.log_level = APT_PRIO_INFO;
uni_engine.log_output = APT_LOG_OUTPUT_CONSOLE | APT_LOG_OUTPUT_FILE;
uni_engine.grammars = NULL;
uni_engine.v2_properties = NULL;
uni_engine.v1_properties = NULL;
uni_engine.mutex = NULL;
uni_engine.current_speech_index = 0;
pool = apt_pool_create();
if(!pool) {
ast_log(LOG_ERROR, "Failed to create APR pool\n");
uni_engine_unload();
return FALSE;
}
uni_engine.pool = pool;
if(apr_thread_mutex_create(&uni_engine.mutex, APR_THREAD_MUTEX_DEFAULT, pool) != APR_SUCCESS) {
ast_log(LOG_ERROR, "Failed to create engine mutex\n");
uni_engine_unload();
return FALSE;
}
/* Load engine configuration */
uni_engine_config_load(pool);
if(!uni_engine.profile) {
uni_engine.profile = "uni2";
}
dir_layout = apt_default_dir_layout_create(UNIMRCP_DIR_LOCATION,pool);
/* Create singleton logger */
apt_log_instance_create(uni_engine.log_output, uni_engine.log_level, pool);
if(apt_log_output_mode_check(APT_LOG_OUTPUT_FILE) == TRUE) {
#ifdef OPAQUE_DIR_LAYOUT
const char *log_dir_path = apt_dir_layout_path_get(dir_layout,APT_LAYOUT_LOG_DIR);
#else
const char *log_dir_path = dir_layout->log_dir_path;
#endif
/* Open the log file */
apt_log_file_open(log_dir_path,"astuni",MAX_LOG_FILE_SIZE,MAX_LOG_FILE_COUNT,TRUE,pool);
}
uni_engine.client = unimrcp_client_create(dir_layout);
if(uni_engine.client) {
uni_engine.application = mrcp_application_create(
uni_message_handler,
&uni_engine,
pool);
if(uni_engine.application) {
mrcp_client_application_register(
uni_engine.client,
uni_engine.application,
"ASTMRCP");
}
}
if(!uni_engine.client || !uni_engine.application) {
ast_log(LOG_ERROR, "Failed to initialize MRCP client\n");
uni_engine_unload();
return FALSE;
}
return TRUE;
}
