/** Handle the MRCP responses/events */
static apt_bool_t synth_application_on_message_receive(mrcp_application_t *application, mrcp_session_t *session, mrcp_channel_t *channel, mrcp_message_t *message)
{
if(message->start_line.message_type == MRCP_MESSAGE_TYPE_RESPONSE) {
/* received MRCP response */
if(message->start_line.method_id == SYNTHESIZER_SPEAK) {
/* received the response to SPEAK request */
if(message->start_line.request_state == MRCP_REQUEST_STATE_INPROGRESS) {
/* waiting for SPEAK-COMPLETE event */
}
else {
/* received unexpected response, remove channel */
mrcp_application_channel_remove(session,channel);
}
}
else {
/* received unexpected response */
}
}
else if(message->start_line.message_type == MRCP_MESSAGE_TYPE_EVENT) {
/* received MRCP event */
if(message->start_line.method_id == SYNTHESIZER_SPEAK_COMPLETE) {
/* received SPEAK-COMPLETE event, remove channel */
mrcp_application_channel_remove(session,channel);
}
}
return TRUE;
}
bool UmcSession::RemoveMrcpChannel(mrcp_channel_t* pMrcpChannel)
{
if(!m_Running)
return false;
return (mrcp_application_channel_remove(m_pMrcpSession,pMrcpChannel) == TRUE);
}
static apt_bool_t recog_application_on_message_receive(mrcp_application_t *application, mrcp_session_t *session, mrcp_channel_t *channel, mrcp_message_t *message)
{
recog_app_channel_t *recog_channel = mrcp_application_channel_object_get(channel);
if(message->start_line.message_type == MRCP_MESSAGE_TYPE_RESPONSE) {
/* received MRCP response */
if(message->start_line.method_id == RECOGNIZER_DEFINE_GRAMMAR) {
/* received the response to DEFINE-GRAMMAR request */
if(message->start_line.request_state == MRCP_REQUEST_STATE_COMPLETE) {
recog_application_on_define_grammar(application,session,channel);
}
else {
/* received unexpected response, remove channel */
mrcp_application_channel_remove(session,channel);
}
}
else if(message->start_line.method_id == RECOGNIZER_RECOGNIZE) {
/* received the response to RECOGNIZE request */
if(message->start_line.request_state == MRCP_REQUEST_STATE_INPROGRESS) {
/* start to stream the speech to recognize */
if(recog_channel) {
recog_channel->streaming = TRUE;
}
}
else {
/* received unexpected response, remove channel */
mrcp_application_channel_remove(session,channel);
}
}
else {
/* received unexpected response */
}
}
else if(message->start_line.message_type == MRCP_MESSAGE_TYPE_EVENT) {
if(message->start_line.method_id == RECOGNIZER_RECOGNITION_COMPLETE) {
demo_nlsml_result_parse(message);
if(recog_channel) {
recog_channel->streaming = FALSE;
}
mrcp_application_channel_remove(session,channel);
}
else if(message->start_line.method_id == RECOGNIZER_START_OF_INPUT) {
/* received start-of-input, do whatever you need here */
}
}
return TRUE;
}
/** \brief Send session management request to client stack and wait for async response */
static apt_bool_t uni_recog_sm_request_send(uni_speech_t *uni_speech, mrcp_sig_command_e sm_request)
{
apt_bool_t res = FALSE;
ast_log(LOG_DEBUG, "Send session request type:%d\n",sm_request);
apr_thread_mutex_lock(uni_speech->mutex);
uni_speech->is_sm_request = TRUE;
uni_speech->sm_request = sm_request;
switch(sm_request) {
case MRCP_SIG_COMMAND_SESSION_UPDATE:
res = mrcp_application_session_update(uni_speech->session);
break;
case MRCP_SIG_COMMAND_SESSION_TERMINATE:
res = mrcp_application_session_terminate(uni_speech->session);
break;
case MRCP_SIG_COMMAND_CHANNEL_ADD:
res = mrcp_application_channel_add(uni_speech->session,uni_speech->channel);
break;
case MRCP_SIG_COMMAND_CHANNEL_REMOVE:
res = mrcp_application_channel_remove(uni_speech->session,uni_speech->channel);
break;
case MRCP_SIG_COMMAND_RESOURCE_DISCOVER:
res = mrcp_application_resource_discover(uni_speech->session);
break;
default:
break;
}
if(res == TRUE) {
/* Wait for session response */
ast_log(LOG_DEBUG, "Wait for session response\n");
if(apr_thread_cond_timedwait(uni_speech->wait_object,uni_speech->mutex,MRCP_APP_REQUEST_TIMEOUT) != APR_SUCCESS) {
ast_log(LOG_ERROR, "Failed to get response, request timed out\n");
uni_speech->sm_response = MRCP_SIG_STATUS_CODE_FAILURE;
}
ast_log(LOG_DEBUG, "Waked up, status code: %d\n",uni_speech->sm_response);
}
uni_speech->is_sm_request = FALSE;
apr_thread_mutex_unlock(uni_speech->mutex);
return res;
}
