/** Create demo MRCP message (DEFINE-GRAMMAR request) */
mrcp_message_t* demo_define_grammar_message_create(mrcp_session_t *session, mrcp_channel_t *channel, const apt_dir_layout_t *dir_layout)
{
/* create MRCP message */
mrcp_message_t *mrcp_message = mrcp_application_message_create(session,channel,RECOGNIZER_DEFINE_GRAMMAR);
if(mrcp_message) {
mrcp_generic_header_t *generic_header;
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* set generic header fields */
if(mrcp_message->start_line.version == MRCP_VERSION_2) {
apt_string_assign(&generic_header->content_type,"application/srgs+xml",mrcp_message->pool);
}
else {
apt_string_assign(&generic_header->content_type,"application/grammar+xml",mrcp_message->pool);
}
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
apt_string_assign(&generic_header->content_id,"*****@*****.**",mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_ID);
}
/* set message body */
demo_message_body_set(mrcp_message,dir_layout,"grammar.xml");
}
return mrcp_message;
}
mrcp_message_t* RecogSession::CreateDefineGrammarRequest(mrcp_channel_t* pMrcpChannel)
{
mrcp_message_t* pMrcpMessage = CreateMrcpMessage(pMrcpChannel,RECOGNIZER_DEFINE_GRAMMAR);
if(!pMrcpMessage)
return NULL;
const RecogScenario* pScenario = GetScenario();
mrcp_generic_header_t* pGenericHeader;
/* get/allocate generic header */
pGenericHeader = (mrcp_generic_header_t*) mrcp_generic_header_prepare(pMrcpMessage);
if(pGenericHeader)
{
/* set generic header fields */
if(pScenario->GetContentType())
{
apt_string_assign(&pGenericHeader->content_type,pScenario->GetContentType(),pMrcpMessage->pool);
mrcp_generic_header_property_add(pMrcpMessage,GENERIC_HEADER_CONTENT_TYPE);
}
apt_string_assign(&pGenericHeader->content_id,m_ContentId,pMrcpMessage->pool);
mrcp_generic_header_property_add(pMrcpMessage,GENERIC_HEADER_CONTENT_ID);
}
/* set message body */
if(pScenario->GetContent())
apt_string_assign(&pMrcpMessage->body,pScenario->GetContent(),pMrcpMessage->pool);
return pMrcpMessage;
}
/** Create DEFINE-GRAMMAR request */
static mrcp_message_t* define_grammar_message_create(asr_session_t *asr_session, const char *grammar_file)
{
/* create MRCP message */
mrcp_message_t *mrcp_message = mrcp_application_message_create(
asr_session->mrcp_session,
asr_session->mrcp_channel,
RECOGNIZER_DEFINE_GRAMMAR);
if(mrcp_message) {
mrcp_generic_header_t *generic_header;
/* set message body */
const apt_dir_layout_t *dir_layout = mrcp_application_dir_layout_get(asr_session->engine->mrcp_app);
apr_pool_t *pool = mrcp_application_session_pool_get(asr_session->mrcp_session);
char *grammar_file_path = apt_datadir_filepath_get(dir_layout,grammar_file,pool);
if(grammar_file_path) {
apr_finfo_t finfo;
apr_file_t *grammar_file;
apt_str_t *content = &mrcp_message->body;
if(apr_file_open(&grammar_file,grammar_file_path,APR_FOPEN_READ|APR_FOPEN_BINARY,0,pool) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Open Grammar File %s",grammar_file_path);
return NULL;
}
if(apr_file_info_get(&finfo,APR_FINFO_SIZE,grammar_file) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Get Grammar File Info %s",grammar_file_path);
apr_file_close(grammar_file);
return NULL;
}
content->length = (apr_size_t)finfo.size;
content->buf = (char*) apr_palloc(pool,content->length+1);
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Load Grammar File Content size [%"APR_SIZE_T_FMT" bytes] %s",
content->length,grammar_file_path);
if(apr_file_read(grammar_file,content->buf,&content->length) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Read Grammar File Content %s",grammar_file_path);
apr_file_close(grammar_file);
return NULL;
}
content->buf[content->length] = '\0';
apr_file_close(grammar_file);
}
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* set generic header fields */
if(mrcp_message->start_line.version == MRCP_VERSION_2) {
apt_string_assign(&generic_header->content_type,"application/srgs+xml",mrcp_message->pool);
}
else {
apt_string_assign(&generic_header->content_type,"application/grammar+xml",mrcp_message->pool);
}
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
apt_string_assign(&generic_header->content_id,"demo-grammar",mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_ID);
}
}
return mrcp_message;
}
mrcp_message_t* RecogSession::CreateRecognizeRequest(mrcp_channel_t* pMrcpChannel)
{
mrcp_message_t* pMrcpMessage = CreateMrcpMessage(pMrcpChannel,RECOGNIZER_RECOGNIZE);
if(!pMrcpMessage)
return NULL;
const RecogScenario* pScenario = GetScenario();
mrcp_generic_header_t* pGenericHeader;
mrcp_recog_header_t* pRecogHeader;
/* get/allocate generic header */
pGenericHeader = (mrcp_generic_header_t*) mrcp_generic_header_prepare(pMrcpMessage);
if(pGenericHeader)
{
/* set generic header fields */
if(pScenario->IsDefineGrammarEnabled())
{
apt_string_assign(&pGenericHeader->content_type,"text/uri-list",pMrcpMessage->pool);
/* set message body */
const char* pContent = apr_pstrcat(pMrcpMessage->pool,"session:",m_ContentId,NULL);
apt_string_set(&pMrcpMessage->body,pContent);
}
else
{
apt_string_assign(&pGenericHeader->content_type,pScenario->GetContentType(),pMrcpMessage->pool);
/* set content-id */
apt_string_assign(&pGenericHeader->content_id,m_ContentId,pMrcpMessage->pool);
mrcp_generic_header_property_add(pMrcpMessage,GENERIC_HEADER_CONTENT_ID);
/* set message body */
if(pScenario->GetContent())
apt_string_assign_n(&pMrcpMessage->body,pScenario->GetContent(),pScenario->GetContentLength(),pMrcpMessage->pool);
}
mrcp_generic_header_property_add(pMrcpMessage,GENERIC_HEADER_CONTENT_TYPE);
}
/* get/allocate recognizer header */
pRecogHeader = (mrcp_recog_header_t*) mrcp_resource_header_prepare(pMrcpMessage);
if(pRecogHeader)
{
/* set recognizer header fields */
if(pMrcpMessage->start_line.version == MRCP_VERSION_2)
{
pRecogHeader->cancel_if_queue = FALSE;
mrcp_resource_header_property_add(pMrcpMessage,RECOGNIZER_HEADER_CANCEL_IF_QUEUE);
}
pRecogHeader->no_input_timeout = 5000;
mrcp_resource_header_property_add(pMrcpMessage,RECOGNIZER_HEADER_NO_INPUT_TIMEOUT);
pRecogHeader->recognition_timeout = 10000;
mrcp_resource_header_property_add(pMrcpMessage,RECOGNIZER_HEADER_RECOGNITION_TIMEOUT);
pRecogHeader->start_input_timers = TRUE;
mrcp_resource_header_property_add(pMrcpMessage,RECOGNIZER_HEADER_START_INPUT_TIMERS);
pRecogHeader->confidence_threshold = 0.87f;
mrcp_resource_header_property_add(pMrcpMessage,RECOGNIZER_HEADER_CONFIDENCE_THRESHOLD);
pRecogHeader->save_waveform = TRUE;
mrcp_resource_header_property_add(pMrcpMessage,RECOGNIZER_HEADER_SAVE_WAVEFORM);
}
return pMrcpMessage;
}
/* Create SPEAK request */
static mrcp_message_t* speak_request_create(mrcp_resource_factory_t *factory, apr_pool_t *pool)
{
mrcp_message_t *message;
mrcp_resource_t *resource = mrcp_resource_get(factory,MRCP_SYNTHESIZER_RESOURCE);
if(!resource) {
return NULL;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Create SPEAK Request");
message = mrcp_request_create(resource,MRCP_VERSION_2,SYNTHESIZER_SPEAK,pool);
if(message) {
mrcp_generic_header_t *generic_header;
mrcp_synth_header_t *synth_header;
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(message);
if(generic_header) {
/* set generic header fields */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Content-Type: %s",SAMPLE_CONTENT_TYPE);
apt_string_assign(&generic_header->content_type,SAMPLE_CONTENT_TYPE,message->pool);
mrcp_generic_header_property_add(message,GENERIC_HEADER_CONTENT_TYPE);
}
/* get/allocate synthesizer header */
synth_header = mrcp_resource_header_prepare(message);
if(synth_header) {
/* set synthesizer header fields */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Voice-Age: %d",SAMPLE_VOICE_AGE);
synth_header->voice_param.age = SAMPLE_VOICE_AGE;
mrcp_resource_header_property_add(message,SYNTHESIZER_HEADER_VOICE_AGE);
}
/* set message body */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Body: %s",SAMPLE_CONTENT);
apt_string_assign(&message->body,SAMPLE_CONTENT,message->pool);
}
return message;
}
/* Load demo verification result */
static apt_bool_t demo_verifier_result_load(demo_verifier_channel_t *verifier_channel, mrcp_message_t *message)
{
FILE *file;
mrcp_engine_channel_t *channel = verifier_channel->channel;
const apt_dir_layout_t *dir_layout = channel->engine->dir_layout;
char *file_path = apt_datadir_filepath_get(dir_layout,"result-verification.xml",message->pool);
if(!file_path) {
return FALSE;
}
/* read the demo result from file */
file = fopen(file_path,"r");
if(file) {
mrcp_generic_header_t *generic_header;
char text[1024];
apr_size_t size;
size = fread(text,1,sizeof(text),file);
apt_string_assign_n(&message->body,text,size,message->pool);
fclose(file);
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(message);
if(generic_header) {
/* set content types */
apt_string_assign(&generic_header->content_type,"application/nlsml+xml",message->pool);
mrcp_generic_header_property_add(message,GENERIC_HEADER_CONTENT_TYPE);
}
}
return TRUE;
}
bool SynthSession::Stop()
{
if(!UmcSession::Stop())
return false;
if(!m_pSynthChannel)
return false;
mrcp_message_t* pStopMessage = CreateMrcpMessage(m_pSynthChannel->m_pMrcpChannel,SYNTHESIZER_STOP);
if(!pStopMessage)
return false;
if(m_pSynthChannel->m_pSpeakRequest)
{
mrcp_generic_header_t* pGenericHeader;
/* get/allocate generic header */
pGenericHeader = (mrcp_generic_header_t*) mrcp_generic_header_prepare(pStopMessage);
if(pGenericHeader)
{
pGenericHeader->active_request_id_list.count = 1;
pGenericHeader->active_request_id_list.ids[0] =
m_pSynthChannel->m_pSpeakRequest->start_line.request_id;
mrcp_generic_header_property_add(pStopMessage,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
}
m_pSynthChannel->m_pSpeakRequest = NULL;
}
return SendMrcpRequest(m_pSynthChannel->m_pMrcpChannel,pStopMessage);
}
mrcp_message_t* DtmfSession::CreateRecognizeRequest(mrcp_channel_t* pMrcpChannel)
{
mrcp_message_t* pMrcpMessage = CreateMrcpMessage(pMrcpChannel,RECOGNIZER_RECOGNIZE);
if(!pMrcpMessage)
return NULL;
const DtmfScenario* pScenario = GetScenario();
mrcp_generic_header_t* pGenericHeader;
mrcp_recog_header_t* pRecogHeader;
/* get/allocate generic header */
pGenericHeader = (mrcp_generic_header_t*) mrcp_generic_header_prepare(pMrcpMessage);
if(pGenericHeader)
{
apt_string_assign(&pGenericHeader->content_type,pScenario->GetContentType(),pMrcpMessage->pool);
mrcp_generic_header_property_add(pMrcpMessage,GENERIC_HEADER_CONTENT_TYPE);
/* set message body */
if(pScenario->GetGrammar())
apt_string_assign(&pMrcpMessage->body,pScenario->GetGrammar(),pMrcpMessage->pool);
}
/* get/allocate recognizer header */
pRecogHeader = (mrcp_recog_header_t*) mrcp_resource_header_prepare(pMrcpMessage);
if(pRecogHeader)
{
/* set recognizer header fields */
if(pMrcpMessage->start_line.version == MRCP_VERSION_2)
{
pRecogHeader->cancel_if_queue = FALSE;
mrcp_resource_header_property_add(pMrcpMessage,RECOGNIZER_HEADER_CANCEL_IF_QUEUE);
}
}
return pMrcpMessage;
}
static apt_bool_t recog_pending_requests_remove(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *request_message, mrcp_message_t *response_message)
{
apt_list_elem_t *elem;
mrcp_message_t *pending_message;
mrcp_request_id_list_t *request_id_list = NULL;
mrcp_generic_header_t *generic_header = mrcp_generic_header_get(request_message);
mrcp_generic_header_t *response_generic_header = mrcp_generic_header_prepare(response_message);
if(generic_header && mrcp_generic_header_property_check(request_message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST) == TRUE) {
if(generic_header->active_request_id_list.count) {
/* selective STOP request */
request_id_list = &generic_header->active_request_id_list;
}
}
elem = apt_list_first_elem_get(state_machine->queue);
while(elem) {
pending_message = apt_list_elem_object_get(elem);
if(!request_id_list || active_request_id_list_find(generic_header,pending_message->start_line.request_id) == TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Remove Pending RECOGNIZE Request "APT_SIDRES_FMT" [%"MRCP_REQUEST_ID_FMT"]",
MRCP_MESSAGE_SIDRES(pending_message),
pending_message->start_line.request_id);
elem = apt_list_elem_remove(state_machine->queue,elem);
/* append active id list */
active_request_id_list_append(response_generic_header,pending_message->start_line.request_id);
}
else {
/* speak request remains in the queue, just proceed to the next one */
elem = apt_list_next_elem_get(state_machine->queue,elem);
}
}
if(response_generic_header->active_request_id_list.count) {
mrcp_generic_header_property_add(response_message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
}
return TRUE;
}
/** Create demo MRCP message (SPEAK request) */
mrcp_message_t* demo_speak_message_create(mrcp_session_t *session, mrcp_channel_t *channel, const apt_dir_layout_t *dir_layout)
{
/* create MRCP message */
mrcp_message_t *mrcp_message = mrcp_application_message_create(session,channel,SYNTHESIZER_SPEAK);
if(mrcp_message) {
mrcp_generic_header_t *generic_header;
mrcp_synth_header_t *synth_header;
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* set generic header fields */
apt_string_assign(&generic_header->content_type,"application/synthesis+ssml",mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
}
/* get/allocate synthesizer header */
synth_header = mrcp_resource_header_prepare(mrcp_message);
if(synth_header) {
/* set synthesizer header fields */
synth_header->voice_param.age = 28;
mrcp_resource_header_property_add(mrcp_message,SYNTHESIZER_HEADER_VOICE_AGE);
}
/* set message body */
demo_message_body_set(mrcp_message,dir_layout,"speak.xml");
}
return mrcp_message;
}
mrcp_message_t* SynthSession::CreateSpeakRequest(mrcp_channel_t* pMrcpChannel)
{
mrcp_message_t* pMrcpMessage = CreateMrcpMessage(pMrcpChannel,SYNTHESIZER_SPEAK);
if(!pMrcpMessage)
return NULL;
const SynthScenario* pScenario = GetScenario();
mrcp_generic_header_t* pGenericHeader;
mrcp_synth_header_t* pSynthHeader;
/* get/allocate generic header */
pGenericHeader = (mrcp_generic_header_t*) mrcp_generic_header_prepare(pMrcpMessage);
if(pGenericHeader)
{
/* set generic header fields */
apt_string_assign(&pGenericHeader->content_type,pScenario->GetContentType(),pMrcpMessage->pool);
mrcp_generic_header_property_add(pMrcpMessage,GENERIC_HEADER_CONTENT_TYPE);
/* set message body */
if(pScenario->GetContent())
apt_string_assign(&pMrcpMessage->body,pScenario->GetContent(),pMrcpMessage->pool);
}
/* get/allocate synthesizer header */
pSynthHeader = (mrcp_synth_header_t*) mrcp_resource_header_prepare(pMrcpMessage);
if(pSynthHeader)
{
/* set synthesizer header fields */
pSynthHeader->voice_param.age = 28;
mrcp_resource_header_property_add(pMrcpMessage,SYNTHESIZER_HEADER_VOICE_AGE);
}
return pMrcpMessage;
}
/** Create DEFINE-GRAMMAR request */
static mrcp_message_t* define_grammar_message_create(asr_session_t *asr_session, const char *grammar_file)
{
/* create MRCP message */
mrcp_message_t *mrcp_message = mrcp_application_message_create(
asr_session->mrcp_session,
asr_session->mrcp_channel,
RECOGNIZER_DEFINE_GRAMMAR);
if(mrcp_message) {
mrcp_generic_header_t *generic_header;
/* set message body */
const apt_dir_layout_t *dir_layout = mrcp_application_dir_layout_get(asr_session->engine->mrcp_app);
apr_pool_t *pool = mrcp_application_session_pool_get(asr_session->mrcp_session);
char *grammar_file_path = apt_datadir_filepath_get(dir_layout,grammar_file,pool);
if(grammar_file_path) {
char text[1024];
apr_size_t size;
FILE *grammar = fopen(grammar_file_path,"r");
if(!grammar) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Cannot Open [%s]",grammar_file_path);
return NULL;
}
size = fread(text,1,sizeof(text),grammar);
apt_string_assign_n(&mrcp_message->body,text,size,mrcp_message->pool);
fclose(grammar);
}
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* set generic header fields */
if(mrcp_message->start_line.version == MRCP_VERSION_2) {
apt_string_assign(&generic_header->content_type,"application/srgs+xml",mrcp_message->pool);
}
else {
apt_string_assign(&generic_header->content_type,"application/grammar+xml",mrcp_message->pool);
}
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
apt_string_assign(&generic_header->content_id,"demo-grammar",mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_ID);
}
}
return mrcp_message;
}
static apt_bool_t synth_response_define_lexicon(mrcp_synth_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
apt_log(APT_PRIO_INFO,"Process DEFINE-LEXICON Response [%d]",message->start_line.request_id);
/* append active id list */
active_request_id_list_append(generic_header,state_machine->speaker->start_line.request_id);
mrcp_generic_header_property_add(message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
return synth_response_dispatch(state_machine,message);
}
static apt_bool_t synth_response_control(mrcp_synth_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process CONTROL Response [%"MRCP_REQUEST_ID_FMT"]",
message->start_line.request_id);
/* append active id list */
active_request_id_list_append(generic_header,state_machine->speaker->start_line.request_id);
mrcp_generic_header_property_add(message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
return synth_response_dispatch(state_machine,message);
}
static apt_bool_t synth_response_barge_in_occurred(mrcp_synth_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
apt_log(APT_PRIO_INFO,"Process BARGE-IN Response [%d]",message->start_line.request_id);
/* append active id list */
active_request_id_list_append(generic_header,state_machine->speaker->start_line.request_id);
mrcp_generic_header_property_add(message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
synth_pending_requests_remove(state_machine,state_machine->active_request,message);
synth_state_change(state_machine,SYNTHESIZER_STATE_IDLE);
return synth_response_dispatch(state_machine,message);
}
static apt_bool_t synth_response_resume(mrcp_synth_state_machine_t *state_machine, mrcp_message_t *message)
{
apt_log(APT_PRIO_INFO,"Process RESUME Response [%d]",message->start_line.request_id);
if(message->start_line.status_code == MRCP_STATUS_CODE_SUCCESS) {
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
/* append active id list */
active_request_id_list_append(generic_header,state_machine->speaker->start_line.request_id);
mrcp_generic_header_property_add(message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
synth_state_change(state_machine,SYNTHESIZER_STATE_SPEAKING);
}
synth_response_dispatch(state_machine,message);
return TRUE;
}
mrcp_message_t* SetParamSession::CreateSetParams3(mrcp_channel_t* pMrcpChannel)
{
mrcp_message_t* pMrcpMessage = CreateMrcpMessage(pMrcpChannel,RECOGNIZER_SET_PARAMS);
if(!pMrcpMessage)
return NULL;
mrcp_generic_header_t* pGenericHeader;
/* get/allocate generic header */
pGenericHeader = (mrcp_generic_header_t*) mrcp_generic_header_prepare(pMrcpMessage);
if(pGenericHeader)
{
apr_pool_t* pool = GetSessionPool();
/* set generic header fields */
apt_pair_arr_t* pVSP = apt_pair_array_create(3,pool);
if(pVSP)
{
apt_str_t name;
apt_str_t value;
apt_string_set(&name,"confidencelevel");
apt_string_set(&value,"500");
apt_pair_array_append(pVSP,&name,&value,pool);
apt_string_set(&name,"sensitivity");
apt_string_set(&value,"0.500");
apt_pair_array_append(pVSP,&name,&value,pool);
apt_string_set(&name,"speedvsaccuracy");
apt_string_set(&value,"0.789");
apt_pair_array_append(pVSP,&name,&value,pool);
apt_string_set(&name,"timeout");
apt_string_set(&value,"1000");
apt_pair_array_append(pVSP,&name,&value,pool);
apt_string_set(&name,"swirec_application_name");
apt_string_set(&value,"UniMRCP");
apt_pair_array_append(pVSP,&name,&value,pool);
apt_string_set(&name,"swirec_phoneme_lookahead_beam");
apt_string_set(&value,"-50");
apt_pair_array_append(pVSP,&name,&value,pool);
pGenericHeader->vendor_specific_params = pVSP;
mrcp_generic_header_property_add(pMrcpMessage,GENERIC_HEADER_VENDOR_SPECIFIC_PARAMS);
}
}
return pMrcpMessage;
}
/* MRCP connection established, start communication */
static apt_bool_t OnChannelAdd(mrcp_application_t* application, mrcp_session_t* session, mrcp_channel_t* channel, mrcp_sig_status_code_e status)
{
mrcp_message_t* msg;
mrcp_generic_header_t* hdr;
(void) application;
if (status != MRCP_SIG_STATUS_CODE_SUCCESS)
return sess_failed("Failed to add channel");
/* Start processing here */
msg = mrcp_application_message_create(session, channel, SYNTHESIZER_SPEAK);
hdr = mrcp_generic_header_get(msg);
apt_string_set(&hdr->content_type, "text/plain");
mrcp_generic_header_property_add(msg, GENERIC_HEADER_CONTENT_TYPE);
apt_string_set(&msg->body, text);
return mrcp_application_message_send(session, channel, msg);
}
/** Validate MRCP message */
MRCP_DECLARE(apt_bool_t) mrcp_message_validate(mrcp_message_t *message)
{
if(message->body.length) {
/* content length must be specified */
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
if(!generic_header) {
return FALSE;
}
if(mrcp_generic_header_property_check(message,GENERIC_HEADER_CONTENT_LENGTH) != TRUE ||
!generic_header->content_length) {
generic_header->content_length = message->body.length;
mrcp_generic_header_property_add(message,GENERIC_HEADER_CONTENT_LENGTH);
}
}
return TRUE;
}
/** \brief Unload a local grammar */
static int uni_recog_unload_grammar(struct ast_speech *speech, ast_compat_const char *grammar_name)
{
uni_speech_t *uni_speech = speech->data;
mrcp_message_t *mrcp_message;
mrcp_generic_header_t *generic_header;
if(uni_speech->is_inprogress) {
uni_recog_stop(speech);
}
ast_log(LOG_NOTICE, "Unload grammar name:%s '%s'\n",
grammar_name,
uni_speech_id_get(uni_speech));
apr_hash_set(uni_speech->active_grammars,grammar_name,APR_HASH_KEY_STRING,NULL);
mrcp_message = mrcp_application_message_create(
uni_speech->session,
uni_speech->channel,
RECOGNIZER_DEFINE_GRAMMAR);
if(!mrcp_message) {
ast_log(LOG_WARNING, "Failed to create MRCP message\n");
return -1;
}
/* Get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* Set generic header fields */
apt_string_assign(&generic_header->content_id,grammar_name,mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_ID);
}
/* Send MRCP request and wait for response */
if(uni_recog_mrcp_request_send(uni_speech,mrcp_message) != TRUE) {
ast_log(LOG_WARNING, "Failed to send MRCP message\n");
return -1;
}
/* Check received response */
if(!uni_speech->mrcp_response || uni_speech->mrcp_response->start_line.status_code != MRCP_STATUS_CODE_SUCCESS) {
ast_log(LOG_WARNING, "Received failure response\n");
return -1;
}
return 0;
}
/** Create RECOGNIZE request */
static mrcp_message_t* recognize_message_create(asr_session_t *asr_session)
{
/* create MRCP message */
mrcp_message_t *mrcp_message = mrcp_application_message_create(
asr_session->mrcp_session,
asr_session->mrcp_channel,
RECOGNIZER_RECOGNIZE);
if(mrcp_message) {
mrcp_recog_header_t *recog_header;
mrcp_generic_header_t *generic_header;
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* set generic header fields */
apt_string_assign(&generic_header->content_type,"text/uri-list",mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
/* set message body */
apt_string_assign(&mrcp_message->body,"session:demo-grammar",mrcp_message->pool);
}
/* get/allocate recognizer header */
recog_header = mrcp_resource_header_prepare(mrcp_message);
if(recog_header) {
if(mrcp_message->start_line.version == MRCP_VERSION_2) {
/* set recognizer header fields */
recog_header->cancel_if_queue = FALSE;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_CANCEL_IF_QUEUE);
}
recog_header->no_input_timeout = 5000;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_NO_INPUT_TIMEOUT);
recog_header->recognition_timeout = 20000;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_RECOGNITION_TIMEOUT);
recog_header->speech_complete_timeout = 400;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_SPEECH_COMPLETE_TIMEOUT);
recog_header->dtmf_term_timeout = 3000;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_DTMF_TERM_TIMEOUT);
recog_header->dtmf_interdigit_timeout = 3000;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_DTMF_INTERDIGIT_TIMEOUT);
recog_header->confidence_threshold = 0.5f;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_CONFIDENCE_THRESHOLD);
recog_header->start_input_timers = TRUE;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_START_INPUT_TIMERS);
}
}
return mrcp_message;
}
static apt_bool_t synth_response_stop(mrcp_synth_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_message_t *pending_request;
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
apt_log(APT_PRIO_INFO,"Process STOP Response [%d]",message->start_line.request_id);
/* append active id list */
active_request_id_list_append(generic_header,state_machine->speaker->start_line.request_id);
mrcp_generic_header_property_add(message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
synth_pending_requests_remove(state_machine,state_machine->active_request,message);
synth_state_change(state_machine,SYNTHESIZER_STATE_IDLE);
synth_response_dispatch(state_machine,message);
/* process pending SPEAK requests / if any */
pending_request = apt_list_pop_front(state_machine->queue);
if(pending_request) {
apt_log(APT_PRIO_INFO,"Process Pending SPEAK Request [%d]",pending_request->start_line.request_id);
state_machine->is_pending = TRUE;
synth_request_dispatch(state_machine,pending_request);
}
return TRUE;
}
static apt_bool_t recog_response_stop(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_message_t *pending_request;
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
/* append active id list */
active_request_id_list_append(generic_header,state_machine->recog->start_line.request_id);
mrcp_generic_header_property_add(message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
recog_pending_requests_remove(state_machine,state_machine->active_request,message);
recog_state_change(state_machine,RECOGNIZER_STATE_IDLE,message);
pending_request = apt_list_pop_front(state_machine->queue);
recog_response_dispatch(state_machine,message);
/* process pending RECOGNIZE requests / if any */
if(pending_request) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process Pending RECOGNIZE Request "APT_SIDRES_FMT" [%"MRCP_REQUEST_ID_FMT"]",
MRCP_MESSAGE_SIDRES(pending_request),
pending_request->start_line.request_id);
state_machine->is_pending = TRUE;
recog_request_dispatch(state_machine,pending_request);
}
return TRUE;
}
/* Create GET-PARAMS request */
static mrcp_message_t* get_params_request_create(mrcp_resource_factory_t *factory, apr_pool_t *pool)
{
mrcp_message_t *message;
mrcp_resource_t *resource = mrcp_resource_get(factory,MRCP_SYNTHESIZER_RESOURCE);
if(!resource) {
return NULL;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Create GET-PARAMS Request");
message = mrcp_request_create(resource,MRCP_VERSION_2,SYNTHESIZER_GET_PARAMS,pool);
if(message) {
apt_str_t param_name;
apt_str_t param_value;
mrcp_generic_header_t *generic_header;
mrcp_synth_header_t *synth_header;
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(message);
if(generic_header) {
/* set content id empty header */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Content-ID: <empty>");
mrcp_generic_header_name_property_add(message,GENERIC_HEADER_CONTENT_ID);
/* set vendor specific params header */
generic_header->vendor_specific_params = apt_pair_array_create(1,pool);
apt_string_set(¶m_name,SAMPLE_PARAM_NAME);
apt_string_reset(¶m_value);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Vendor-Specific-Params: %s",param_name.buf);
apt_pair_array_append(generic_header->vendor_specific_params,¶m_name,¶m_value,pool);
mrcp_generic_header_property_add(message,GENERIC_HEADER_VENDOR_SPECIFIC_PARAMS);
}
/* get/allocate synthesizer header */
synth_header = mrcp_resource_header_prepare(message);
if(synth_header) {
/* set voice age empty header */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Voice-Age: <empty>");
mrcp_resource_header_name_property_add(message,SYNTHESIZER_HEADER_VOICE_AGE);
}
}
return message;
}
/** Create demo MRCP message (RECOGNIZE request) */
mrcp_message_t* demo_recognize_message_create(mrcp_session_t *session, mrcp_channel_t *channel, const apt_dir_layout_t *dir_layout)
{
const char text[] = "session:[email protected]";
/* create MRCP message */
mrcp_message_t *mrcp_message = mrcp_application_message_create(session,channel,RECOGNIZER_RECOGNIZE);
if(mrcp_message) {
mrcp_recog_header_t *recog_header;
mrcp_generic_header_t *generic_header;
/* get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* set generic header fields */
apt_string_assign(&generic_header->content_type,"text/uri-list",mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
}
/* get/allocate recognizer header */
recog_header = mrcp_resource_header_prepare(mrcp_message);
if(recog_header) {
if(mrcp_message->start_line.version == MRCP_VERSION_2) {
/* set recognizer header fields */
recog_header->cancel_if_queue = FALSE;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_CANCEL_IF_QUEUE);
}
recog_header->no_input_timeout = 5000;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_NO_INPUT_TIMEOUT);
recog_header->recognition_timeout = 10000;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_RECOGNITION_TIMEOUT);
recog_header->start_input_timers = TRUE;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_START_INPUT_TIMERS);
recog_header->confidence_threshold = 0.87f;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_CONFIDENCE_THRESHOLD);
}
/* set message body */
apt_string_assign(&mrcp_message->body,text,mrcp_message->pool);
}
return mrcp_message;
}
/** brief Prepare engine to accept audio */
static int uni_recog_start(struct ast_speech *speech)
{
uni_speech_t *uni_speech = speech->data;
mrcp_message_t *mrcp_message;
mrcp_generic_header_t *generic_header;
mrcp_recog_header_t *recog_header;
if(uni_speech->is_inprogress) {
uni_recog_stop(speech);
}
ast_log(LOG_NOTICE, "Start audio '%s'\n",uni_speech_id_get(uni_speech));
mrcp_message = mrcp_application_message_create(
uni_speech->session,
uni_speech->channel,
RECOGNIZER_RECOGNIZE);
if(!mrcp_message) {
ast_log(LOG_WARNING, "Failed to create MRCP message\n");
return -1;
}
/* Get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
apr_hash_index_t *it;
void *val;
const char *grammar_name;
const char *content = NULL;
/* Set generic header fields */
apt_string_assign(&generic_header->content_type,"text/uri-list",mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
/* Construct and set message body */
it = apr_hash_first(mrcp_message->pool,uni_speech->active_grammars);
if(it) {
apr_hash_this(it,NULL,NULL,&val);
grammar_name = val;
content = apr_pstrcat(mrcp_message->pool,"session:",grammar_name,NULL);
it = apr_hash_next(it);
}
for(; it; it = apr_hash_next(it)) {
apr_hash_this(it,NULL,NULL,&val);
grammar_name = val;
content = apr_pstrcat(mrcp_message->pool,content,"\nsession:",grammar_name,NULL);
}
if(content) {
apt_string_set(&mrcp_message->body,content);
}
}
/* Get/allocate recognizer header */
recog_header = (mrcp_recog_header_t*) mrcp_resource_header_prepare(mrcp_message);
if(recog_header) {
/* Set recognizer header fields */
if(mrcp_message->start_line.version == MRCP_VERSION_2) {
recog_header->cancel_if_queue = FALSE;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_CANCEL_IF_QUEUE);
}
recog_header->start_input_timers = TRUE;
mrcp_resource_header_property_add(mrcp_message,RECOGNIZER_HEADER_START_INPUT_TIMERS);
}
/* Reset last event (if any) */
uni_speech->mrcp_event = NULL;
/* Send MRCP request and wait for response */
if(uni_recog_mrcp_request_send(uni_speech,mrcp_message) != TRUE) {
ast_log(LOG_WARNING, "Failed to send MRCP message\n");
return -1;
}
/* Check received response */
if(!uni_speech->mrcp_response || uni_speech->mrcp_response->start_line.status_code != MRCP_STATUS_CODE_SUCCESS) {
ast_log(LOG_WARNING, "Received failure response\n");
return -1;
}
/* Reset media buffer */
mpf_frame_buffer_restart(uni_speech->media_buffer);
ast_speech_change_state(speech, AST_SPEECH_STATE_READY);
uni_speech->is_inprogress = TRUE;
return 0;
}
/* Send SPEAK request to synthesizer. */
static int synth_channel_speak(speech_channel_t *schannel, const char *content, const char *content_type, apr_hash_t *header_fields)
{
int status = 0;
mrcp_message_t *mrcp_message = NULL;
mrcp_generic_header_t *generic_header = NULL;
mrcp_synth_header_t *synth_header = NULL;
if (!schannel || !content || !content_type) {
ast_log(LOG_ERROR, "synth_channel_speak: unknown channel error!\n");
return -1;
}
apr_thread_mutex_lock(schannel->mutex);
if (schannel->state != SPEECH_CHANNEL_READY) {
apr_thread_mutex_unlock(schannel->mutex);
return -1;
}
if ((mrcp_message = mrcp_application_message_create(schannel->unimrcp_session, schannel->unimrcp_channel, SYNTHESIZER_SPEAK)) == NULL) {
ast_log(LOG_ERROR, "(%s) Failed to create SPEAK message\n", schannel->name);
apr_thread_mutex_unlock(schannel->mutex);
return -1;
}
/* Set generic header fields (content-type). */
if ((generic_header = (mrcp_generic_header_t *)mrcp_generic_header_prepare(mrcp_message)) == NULL) {
apr_thread_mutex_unlock(schannel->mutex);
return -1;
}
apt_string_assign(&generic_header->content_type, content_type, mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message, GENERIC_HEADER_CONTENT_TYPE);
/* Set synthesizer header fields (voice, rate, etc.). */
if ((synth_header = (mrcp_synth_header_t *)mrcp_resource_header_prepare(mrcp_message)) == NULL) {
apr_thread_mutex_unlock(schannel->mutex);
return -1;
}
/* Add params to MRCP message. */
speech_channel_set_params(schannel, mrcp_message, header_fields);
/* Set body (plain text or SSML). */
apt_string_assign(&mrcp_message->body, content, schannel->pool);
/* Empty audio queue and send SPEAK to MRCP server. */
audio_queue_clear(schannel->audio_queue);
if (!mrcp_application_message_send(schannel->unimrcp_session, schannel->unimrcp_channel, mrcp_message)) {
ast_log(LOG_ERROR,"(%s) Failed to send SPEAK message", schannel->name);
apr_thread_mutex_unlock(schannel->mutex);
return -1;
}
/* Wait for IN PROGRESS. */
apr_thread_cond_timedwait(schannel->cond, schannel->mutex, SPEECH_CHANNEL_TIMEOUT_USEC);
if (schannel->state != SPEECH_CHANNEL_PROCESSING) {
apr_thread_mutex_unlock(schannel->mutex);
return -1;
}
apr_thread_mutex_unlock(schannel->mutex);
return status;
}
/* Create GET-PARAMS response */
static mrcp_message_t* get_params_response_create(mrcp_resource_factory_t *factory, mrcp_message_t *request)
{
apt_bool_t res;
mrcp_message_t *response;
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Create GET-PARAMS Response");
response = mrcp_response_create(request,request->pool);
if(response) {
mrcp_generic_header_t *generic_header;
mrcp_synth_header_t *synth_header;
res = FALSE;
/* get generic header */
generic_header = mrcp_generic_header_get(request);
if(generic_header) {
mrcp_generic_header_t *res_generic_header = mrcp_generic_header_prepare(response);
/* test content id header */
if(mrcp_generic_header_property_check(request,GENERIC_HEADER_CONTENT_ID) == TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Content-ID: %s",SAMPLE_CONTENT_ID);
apt_string_assign(&res_generic_header->content_id,SAMPLE_CONTENT_ID,response->pool);
mrcp_generic_header_property_add(response,GENERIC_HEADER_CONTENT_ID);
res = TRUE;
}
/* test vendor specific header */
if(mrcp_generic_header_property_check(request,GENERIC_HEADER_VENDOR_SPECIFIC_PARAMS) == TRUE) {
apt_str_t name;
const apt_pair_t *pair;
res_generic_header->vendor_specific_params = apt_pair_array_create(1,response->pool);
apt_string_set(&name,SAMPLE_PARAM_NAME);
pair = apt_pair_array_find(generic_header->vendor_specific_params,&name);
if(pair) {
apt_str_t value;
apt_string_set(&value,SAMPLE_PARAM_VALUE);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Vendor-Specific-Params: %s=%s",name.buf,value.buf);
apt_pair_array_append(res_generic_header->vendor_specific_params,&name,&value,response->pool);
}
mrcp_generic_header_property_add(response,GENERIC_HEADER_VENDOR_SPECIFIC_PARAMS);
res = TRUE;
}
}
if(res == FALSE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Test Generic Header");
return NULL;
}
res = FALSE;
/* get synthesizer header */
synth_header = mrcp_resource_header_get(request);
if(synth_header) {
mrcp_synth_header_t *res_synth_header = mrcp_resource_header_prepare(response);
/* test voice age header */
if(mrcp_resource_header_property_check(request,SYNTHESIZER_HEADER_VOICE_AGE) == TRUE) {
res_synth_header->voice_param.age = SAMPLE_VOICE_AGE;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set Voice-Age: %"APR_SIZE_T_FMT,res_synth_header->voice_param.age);
mrcp_resource_header_property_add(response,SYNTHESIZER_HEADER_VOICE_AGE);
res = TRUE;
}
}
if(res == FALSE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Test Synthesizer Header");
return NULL;
}
}
return response;
}
/*! \brief Load a local grammar on the speech structure */
static int uni_recog_load_grammar(struct ast_speech *speech, ast_compat_const char *grammar_name, ast_compat_const char *grammar_path)
{
uni_speech_t *uni_speech = speech->data;
mrcp_message_t *mrcp_message;
mrcp_generic_header_t *generic_header;
const char *content_type = NULL;
apt_bool_t inline_content = FALSE;
char *tmp;
apr_file_t *file;
apt_str_t *body = NULL;
mrcp_message = mrcp_application_message_create(
uni_speech->session,
uni_speech->channel,
RECOGNIZER_DEFINE_GRAMMAR);
if(!mrcp_message) {
ast_log(LOG_WARNING, "Failed to create MRCP message\n");
return -1;
}
/*
* Grammar name and path are mandatory attributes,
* grammar type can be optionally specified with path.
*
* SpeechLoadGrammar(name|path)
* SpeechLoadGrammar(name|type:path)
* SpeechLoadGrammar(name|uri:path)
* SpeechLoadGrammar(name|builtin:grammar/digits)
*/
tmp = strchr(grammar_path,':');
if(tmp) {
const char builtin_token[] = "builtin";
const char uri_token[] = "uri";
if(strncmp(grammar_path,builtin_token,sizeof(builtin_token)-1) == 0) {
content_type = "text/uri-list";
inline_content = TRUE;
}
else if(strncmp(grammar_path,uri_token,sizeof(uri_token)-1) == 0) {
content_type = "text/uri-list";
inline_content = TRUE;
grammar_path = tmp+1;
}
else {
*tmp = '\0';
content_type = grammar_path;
grammar_path = tmp+1;
}
}
if(inline_content == TRUE) {
body = &mrcp_message->body;
apt_string_assign(body,grammar_path,mrcp_message->pool);
}
else {
if(apr_file_open(&file,grammar_path,APR_FOPEN_READ|APR_FOPEN_BINARY,0,mrcp_message->pool) == APR_SUCCESS) {
apr_finfo_t finfo;
if(apr_file_info_get(&finfo,APR_FINFO_SIZE,file) == APR_SUCCESS) {
/* Read message body */
body = &mrcp_message->body;
body->buf = apr_palloc(mrcp_message->pool,finfo.size+1);
body->length = (apr_size_t)finfo.size;
if(apr_file_read(file,body->buf,&body->length) != APR_SUCCESS) {
ast_log(LOG_WARNING, "Failed to read the content of grammar file: %s\n",grammar_path);
}
body->buf[body->length] = '\0';
}
apr_file_close(file);
}
else {
ast_log(LOG_WARNING, "No such grammar file available: %s\n",grammar_path);
return -1;
}
}
if(!body || !body->buf) {
ast_log(LOG_WARNING, "No content available: %s\n",grammar_path);
return -1;
}
/* Try to implicitly detect content type, if it's not specified */
if(!content_type) {
if(strstr(body->buf,"#JSGF")) {
content_type = "application/x-jsgf";
}
else if(strstr(body->buf,"#ABNF")) {
content_type = "application/srgs";
}
else {
content_type = "application/srgs+xml";
}
}
ast_log(LOG_NOTICE, "Load grammar name:%s type:%s path:%s '%s'\n",
grammar_name,
content_type,
grammar_path,
uni_speech_id_get(uni_speech));
/* Get/allocate generic header */
generic_header = mrcp_generic_header_prepare(mrcp_message);
if(generic_header) {
/* Set generic header fields */
apt_string_assign(&generic_header->content_type,content_type,mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
apt_string_assign(&generic_header->content_id,grammar_name,mrcp_message->pool);
mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_ID);
}
/* Send MRCP request and wait for response */
if(uni_recog_mrcp_request_send(uni_speech,mrcp_message) != TRUE) {
ast_log(LOG_WARNING, "Failed to send MRCP message\n");
return -1;
}
/* Check received response */
if(!uni_speech->mrcp_response || uni_speech->mrcp_response->start_line.status_code != MRCP_STATUS_CODE_SUCCESS) {
ast_log(LOG_WARNING, "Received failure response\n");
return -1;
}
return 0;
}
