/* 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) {
/* set transparent header fields */
apt_header_field_t *header_field;
header_field = apt_header_field_create_c("Content-Type",SAMPLE_CONTENT_TYPE,message->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s: %s",header_field->name.buf,header_field->value.buf);
mrcp_message_header_field_add(message,header_field);
}
header_field = apt_header_field_create_c("Voice-Age",SAMPLE_VOICE_AGE,message->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s: %s",header_field->name.buf,header_field->value.buf);
mrcp_message_header_field_add(message,header_field);
}
/* 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;
}
/* Create GET-PARAMS response */
static mrcp_message_t* get_params_response_create(mrcp_resource_factory_t *factory, mrcp_message_t *request)
{
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) {
apt_header_field_t *header_field;
header_field = apt_header_field_create_c("Content-Id",SAMPLE_CONTENT_ID,response->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s: %s",header_field->name.buf,header_field->value.buf);
mrcp_message_header_field_add(response,header_field);
}
header_field = apt_header_field_create_c("Vendor-Specific-Params",SAMPLE_PARAM_NAME"="SAMPLE_PARAM_VALUE,response->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s: %s",header_field->name.buf,header_field->value.buf);
mrcp_message_header_field_add(response,header_field);
}
header_field = apt_header_field_create_c("Voice-Age",SAMPLE_VOICE_AGE,response->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s: %s",header_field->name.buf,header_field->value.buf);
mrcp_message_header_field_add(response,header_field);
}
}
return response;
}
/* 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_header_field_t *header_field;
header_field = apt_header_field_create_c("Content-Id","",message->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s:",header_field->name.buf);
mrcp_message_header_field_add(message,header_field);
}
header_field = apt_header_field_create_c("Vendor-Specific-Params",SAMPLE_PARAM_NAME,message->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s:",header_field->name.buf);
mrcp_message_header_field_add(message,header_field);
}
header_field = apt_header_field_create_c("Voice-Age","",message->pool);
if(header_field) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Set %s:",header_field->name.buf);
mrcp_message_header_field_add(message,header_field);
}
}
return message;
}
/* Set parameters in an MRCP header. */
int speech_channel_set_params(speech_channel_t *schannel, mrcp_message_t *msg, apr_hash_t *header_fields)
{
if (schannel && msg && header_fields) {
/* Loop through each param and add to the message. */
apr_hash_index_t *hi = NULL;
for (hi = apr_hash_first(NULL, header_fields); hi; hi = apr_hash_next(hi)) {
char *param_name = NULL;
char *param_val = NULL;
const void *key;
void *val;
apr_hash_this(hi, &key, NULL, &val);
param_name = (char *)key;
param_val = (char *)val;
if (param_name && (strlen(param_name) > 0) && param_val && (strlen(param_val) > 0)) {
ast_log(LOG_DEBUG, "(%s) %s: %s\n", schannel->name, param_name, param_val);
apt_header_field_t *header_field = apt_header_field_create_c(param_name, param_val, msg->pool);
if(header_field) {
if(mrcp_message_header_field_add(msg, header_field) == FALSE) {
ast_log(LOG_WARNING, "Error setting MRCP header %s=%s\n", param_name, param_val);
}
}
}
}
}
return 0;
}
/* Create SPEAK-COMPLETE event */
static mrcp_message_t* speak_event_create(mrcp_resource_factory_t *factory, const mrcp_message_t *request)
{
mrcp_message_t *event_message;
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Create SPEAK-COMPLETE Event");
event_message = mrcp_event_create(request,SYNTHESIZER_SPEAK_COMPLETE,request->pool);
if(event_message) {
apt_header_field_t *header_field;
header_field = apt_header_field_create_c("Completion-Cause","000 normal",event_message->pool);
if(header_field) {
mrcp_message_header_field_add(event_message,header_field);
}
/* set request state */
event_message->start_line.request_state = MRCP_REQUEST_STATE_COMPLETE;
}
return event_message;
}
/** \brief Load properties from config */
static mrcp_message_header_t* uni_engine_properties_load(struct ast_config *cfg, const char *category, mrcp_version_e version, apr_pool_t *pool)
{
struct ast_variable *var;
mrcp_message_header_t *properties = NULL;
#if defined(TRANSPARENT_HEADER_FIELDS_SUPPORT)
apt_header_field_t *header_field;
properties = mrcp_message_header_create(
mrcp_generic_header_vtable_get(version),
mrcp_recog_header_vtable_get(version),
pool);
for(var = ast_variable_browse(cfg, category); var; var = var->next) {
ast_log(LOG_DEBUG, "%s.%s=%s\n", category, var->name, var->value);
header_field = apt_header_field_create_c(var->name,var->value,pool);
if(header_field) {
if(mrcp_header_field_add(properties,header_field,pool) == FALSE) {
ast_log(LOG_WARNING, "Unknown MRCP header %s.%s=%s\n", category, var->name, var->value);
}
}
}
#else
apt_pair_t pair;
properties = apr_palloc(pool,sizeof(mrcp_message_header_t));
mrcp_message_header_init(properties);
properties->generic_header_accessor.vtable = mrcp_generic_header_vtable_get(version);
properties->resource_header_accessor.vtable = mrcp_recog_header_vtable_get(version);
mrcp_header_allocate(&properties->generic_header_accessor,pool);
mrcp_header_allocate(&properties->resource_header_accessor,pool);
for(var = ast_variable_browse(cfg, category); var; var = var->next) {
ast_log(LOG_DEBUG, "%s.%s=%s\n", category, var->name, var->value);
apt_string_set(&pair.name,var->name);
apt_string_set(&pair.value,var->value);
if(mrcp_header_parse(&properties->resource_header_accessor,&pair,pool) != TRUE) {
if(mrcp_header_parse(&properties->generic_header_accessor,&pair,pool) != TRUE) {
ast_log(LOG_WARNING, "Unknown MRCP header %s.%s=%s\n", category, var->name, var->value);
}
}
}
#endif
return properties;
}