bool UmcFramework::CreateMrcpClient()
{
/* create MRCP client stack first */
m_pMrcpClient = unimrcp_client_create(m_pDirLayout);
if(!m_pMrcpClient)
return false;
/* create MRCP application to send/get requests to/from MRCP client stack */
m_pMrcpApplication = mrcp_application_create(AppMessageHandler,this,m_pPool);
if(!m_pMrcpApplication)
{
mrcp_client_destroy(m_pMrcpClient);
m_pMrcpClient = NULL;
return false;
}
/* register MRCP application to MRCP client */
mrcp_client_application_register(m_pMrcpClient,m_pMrcpApplication,"UMC");
/* start MRCP client stack processing */
if(mrcp_client_start(m_pMrcpClient) == FALSE)
{
mrcp_client_destroy(m_pMrcpClient);
m_pMrcpClient = NULL;
m_pMrcpApplication = NULL;
return false;
}
return true;
}
static apt_bool_t demo_framework_app_register(demo_framework_t *framework, demo_application_t *demo_application, const char *name)
{
apr_hash_set(framework->application_table,name,APR_HASH_KEY_STRING,demo_application);
demo_application->framework = framework;
demo_application->application = mrcp_application_create(
demo_framework_message_handler,
demo_application,
framework->pool);
return mrcp_client_application_register(framework->client,demo_application->application,name);
}
/** Create ASR engine */
ASR_CLIENT_DECLARE(asr_engine_t*) asr_engine_create(
const char *root_dir_path,
apt_log_priority_e log_priority,
apt_log_output_e log_output)
{
apr_pool_t *pool = NULL;
apt_dir_layout_t *dir_layout;
asr_engine_t *engine;
mrcp_client_t *mrcp_client;
mrcp_application_t *mrcp_app;
/* create APR pool */
pool = apt_pool_create();
if(!pool) {
return NULL;
}
/* create the structure of default directories layout */
dir_layout = apt_default_dir_layout_create(root_dir_path,pool);
/* create singleton logger */
apt_log_instance_create(log_output,log_priority,pool);
if((log_output & APT_LOG_OUTPUT_FILE) == APT_LOG_OUTPUT_FILE) {
/* open the log file */
apt_log_file_open(dir_layout->log_dir_path,"unimrcpclient",MAX_LOG_FILE_SIZE,MAX_LOG_FILE_COUNT,FALSE,pool);
}
engine = apr_palloc(pool,sizeof(asr_engine_t));
engine->pool = pool;
engine->mrcp_client = NULL;
engine->mrcp_app = NULL;
/* create UniMRCP client stack */
mrcp_client = unimrcp_client_create(dir_layout);
if(!mrcp_client) {
apt_log_instance_destroy();
apr_pool_destroy(pool);
return NULL;
}
/* create an application */
mrcp_app = mrcp_application_create(
app_message_handler,
engine,
pool);
if(!mrcp_app) {
mrcp_client_destroy(mrcp_client);
apt_log_instance_destroy();
apr_pool_destroy(pool);
return NULL;
}
/* register application in client stack */
mrcp_client_application_register(mrcp_client,mrcp_app,"ASRAPP");
/* start client stack */
if(mrcp_client_start(mrcp_client) != TRUE) {
mrcp_client_destroy(mrcp_client);
apt_log_instance_destroy();
apr_pool_destroy(pool);
return NULL;
}
engine->mrcp_client = mrcp_client;
engine->mrcp_app = mrcp_app;
return engine;
}
int main(int argc, char const* argv[])
{
apr_pool_t* pool = NULL;
apr_pool_t* spool = NULL;
int i;
struct iovec cattext[101];
static char const SP = ' ';
char const* outfile;
apr_status_t status;
apt_dir_layout_t* dirLayout = NULL;
mrcp_client_t* client = NULL;
mrcp_application_t* app = NULL;
mrcp_session_t* sess = NULL;
mpf_stream_capabilities_t* caps = NULL;
mpf_termination_t* term = NULL;
mrcp_channel_t* chan = NULL;
struct stat info;
if (argc < 2) {
puts("Usage:");
printf("\t%s \"This is a synthetic voice.\"", argv[0]);
exit(1);
}
/* Just detect various directory layout constellations */
if (stat(ROOT_DIR, &info))
ROOT_DIR = ROOT_DIR2;
if (stat(ROOT_DIR, &info))
ROOT_DIR = ROOT_DIR3;
/* Initialize platform first */
if (apr_initialize() != APR_SUCCESS) FAIL("Cannot initialize APR platform");
pool = apt_pool_create();
if (!pool) FAIL("Not enough memory");
for (i = 0; (i < argc - 2) && (i < 50); i += 2) {
cattext[2 * i].iov_base = (void*) argv[i + 1];
cattext[2 * i].iov_len = strlen(argv[i + 1]);
cattext[2 * i + 1].iov_base = (void*) &SP;
cattext[2 * i + 1].iov_len = 1;
}
cattext[2 * i].iov_base = (void*) argv[i + 1];
cattext[2 * i].iov_len = strlen(argv[i + 1]);
text = apr_pstrcatv(pool, cattext, 2 * i + 1, NULL);
if (!text) FAIL("Not enough memory");
outfile = apr_pstrcat(pool, ROOT_DIR, "/data/", PCM_OUT_FILE, NULL);
printf("This is a sample C UniMRCP client synthesizer scenario.\n");
printf("Use client configuration from %s/conf/unimrcpclient.xml\n", ROOT_DIR);
printf("Use profile %s\n", MRCP_PROFILE);
printf("Synthesize text: `%s'\n", text);
printf("Write output to file: %s\n", outfile);
printf("\n");
printf("Press enter to start the session...\n");
(void) getchar();
apt_log_instance_create(APT_LOG_OUTPUT_NONE, APT_PRIO_DEBUG, pool);
apt_log_ext_handler_set(UniSynth_logger);
dirLayout = apt_default_dir_layout_create(ROOT_DIR, pool);
/* Create and start the client in a root dir */
client = unimrcp_client_create(dirLayout);
if (!client) FAIL("Cannot create UniMRCP client");
app = mrcp_application_create(UniSynthAppMsgHandler, NULL, mrcp_client_memory_pool_get(client));
if (!app) FAIL("Cannot create MRCP application");
if (!mrcp_client_application_register(client, app, "Sample C app"))
FAIL("Cannot register MRCP application");
if (!mrcp_client_start(client)) FAIL("Cannot start MRCP client");
/* Create a session using MRCP profile MRCP_PROFILE */
sess = mrcp_application_session_create(app, MRCP_PROFILE, NULL);
if (!sess) FAIL("Cannot create session");
spool = mrcp_application_session_pool_get(sess);
/* Create audio termination with capabilities */
caps = mpf_stream_capabilities_create(STREAM_DIRECTION_SEND, spool);
if (!caps) FAIL("Error creating capabilities");
if (!mpf_codec_capabilities_add(&caps->codecs, MPF_SAMPLE_RATE_8000, "LPCM"))
FAIL("Error adding codec capabilities");
term = mrcp_application_audio_termination_create(sess, &stream_vtable, caps, NULL);
if (!term) FAIL("Cannot create audio termination");
/* Add signaling channel (and start processing in OnAdd method */
f = fopen(outfile, "wb");
if (!f) FAIL("Cannot open output file");
status = apr_thread_mutex_create(&mutex, APR_THREAD_MUTEX_DEFAULT, pool);
if (status != APR_SUCCESS) FAIL("Cannot create mutex");
status = apr_thread_cond_create(&cond, pool);
if (status != APR_SUCCESS) FAIL("Cannot create condition variable");
chan = mrcp_application_channel_create(sess, MRCP_SYNTHESIZER_RESOURCE, term, NULL, NULL);
if (!chan) FAIL("Cannot create channel");
if (!mrcp_application_channel_add(sess, chan))
FAIL("Cannot add channel");
/* Now wait until the processing finishes */
apr_thread_mutex_lock(mutex);
while (err < 0) apr_thread_cond_wait(cond, mutex);
apr_thread_mutex_unlock(mutex);
cleanup:
if (sess) mrcp_application_session_terminate(sess);
if (f) fclose(f);
if (client) mrcp_client_shutdown(client);
if (app) mrcp_application_destroy(app);
if (client) mrcp_client_destroy(client);
apt_log_instance_destroy();
if (pool) apr_pool_destroy(pool);
apr_terminate();
puts("Program finished, memory released. Press any key to exit.");
(void) getchar();
return err;
}
/** \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;
}
