/** Generate MRCP descriptor by RTSP request */
MRCP_DECLARE(mrcp_session_descriptor_t*) mrcp_descriptor_generate_by_rtsp_request(
const rtsp_message_t *request,
const char *force_destination_ip,
const apr_table_t *resource_map,
apr_pool_t *pool,
su_home_t *home)
{
mrcp_session_descriptor_t *descriptor = NULL;
const char *resource_name = mrcp_name_get_by_rtsp_name(
resource_map,
request->start_line.common.request_line.resource_name);
if(!resource_name) {
return NULL;
}
if(request->start_line.common.request_line.method_id == RTSP_METHOD_SETUP) {
if(rtsp_header_property_check(&request->header.property_set,RTSP_HEADER_FIELD_CONTENT_TYPE) == TRUE &&
rtsp_header_property_check(&request->header.property_set,RTSP_HEADER_FIELD_CONTENT_LENGTH) == TRUE &&
request->body.buf) {
sdp_parser_t *parser;
sdp_session_t *sdp;
parser = sdp_parse(home,request->body.buf,request->body.length,0);
sdp = sdp_session(parser);
if(sdp) {
descriptor = mrcp_session_descriptor_create(pool);
mrcp_descriptor_generate_by_sdp_session(descriptor,sdp,force_destination_ip,pool);
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse SDP Message");
}
sdp_parser_free(parser);
}
else {
/* create default descriptor in case RTSP SETUP contains no SDP */
mpf_rtp_media_descriptor_t *media;
descriptor = mrcp_session_descriptor_create(pool);
media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->state = MPF_MEDIA_ENABLED;
media->id = mrcp_session_audio_media_add(descriptor,media);
if(rtsp_header_property_check(&request->header.property_set,RTSP_HEADER_FIELD_TRANSPORT) == TRUE) {
media->port = request->header.transport.client_port_range.min;
media->ip = request->header.transport.destination;
}
}
if(descriptor) {
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = TRUE;
}
}
else if(request->start_line.common.request_line.method_id == RTSP_METHOD_TEARDOWN) {
descriptor = mrcp_session_descriptor_create(pool);
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = FALSE;
}
return descriptor;
}
/* 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;
}
/** 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;
}
/** Generate RTP media descriptor by SDP media */
static apt_bool_t mpf_rtp_media_generate(mpf_rtp_media_descriptor_t *rtp_media, const sdp_media_t *sdp_media, const apt_str_t *ip, apr_pool_t *pool)
{
mpf_rtp_attrib_e id;
apt_str_t name;
sdp_attribute_t *attrib = NULL;
sdp_rtpmap_t *map;
mpf_codec_descriptor_t *codec;
for(attrib = sdp_media->m_attributes; attrib; attrib=attrib->a_next) {
apt_string_set(&name,attrib->a_name);
id = mpf_rtp_attrib_id_find(&name);
switch(id) {
case RTP_ATTRIB_PTIME:
rtp_media->ptime = (apr_uint16_t)atoi(attrib->a_value);
break;
default:
break;
}
}
mpf_codec_list_init(&rtp_media->codec_list,5,pool);
for(map = sdp_media->m_rtpmaps; map; map = map->rm_next) {
codec = mpf_codec_list_add(&rtp_media->codec_list);
if(codec) {
codec->payload_type = (apr_byte_t)map->rm_pt;
apt_string_assign(&codec->name,map->rm_encoding,pool);
codec->sampling_rate = (apr_uint16_t)map->rm_rate;
codec->channel_count = 1;
}
}
switch(sdp_media->m_mode) {
case sdp_inactive:
rtp_media->direction = STREAM_DIRECTION_NONE;
break;
case sdp_sendonly:
rtp_media->direction = STREAM_DIRECTION_SEND;
break;
case sdp_recvonly:
rtp_media->direction = STREAM_DIRECTION_RECEIVE;
break;
case sdp_sendrecv:
rtp_media->direction = STREAM_DIRECTION_DUPLEX;
break;
}
if(sdp_media->m_connections) {
apt_string_assign(&rtp_media->ip,sdp_media->m_connections->c_address,pool);
}
else {
rtp_media->ip = *ip;
}
if(sdp_media->m_port) {
rtp_media->port = (apr_port_t)sdp_media->m_port;
rtp_media->state = MPF_MEDIA_ENABLED;
}
else {
rtp_media->state = MPF_MEDIA_DISABLED;
}
return TRUE;
}
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;
}
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;
}
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;
}
/** 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;
}
/** Create RTSP session handle */
RTSP_DECLARE(rtsp_client_session_t*) rtsp_client_session_create(
rtsp_client_t *client,
const char *server_ip,
apr_port_t server_port,
const char *resource_location)
{
rtsp_client_session_t *session;
apr_pool_t *pool = apt_pool_create();
session = apr_palloc(pool,sizeof(rtsp_client_session_t));
session->pool = pool;
session->obj = NULL;
session->connection = NULL;
session->active_request = NULL;
session->pending_request_queue = apt_list_create(pool);
session->request_timer = apt_poller_task_timer_create(
client->task,
rtsp_client_timer_proc,
session,
pool);
session->resource_table = apr_hash_make(pool);
session->term_state = TERMINATION_STATE_NONE;
apt_string_assign(&session->server_ip,server_ip,pool);
session->server_port = server_port;
apt_string_assign(&session->resource_location,resource_location,pool);
apt_string_reset(&session->id);
apt_log(RTSP_LOG_MARK,APT_PRIO_NOTICE,"Create RTSP Handle " APT_PTR_FMT,session);
return session;
}
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;
}
/** Generate MRCP descriptor by RTSP response */
MRCP_DECLARE(mrcp_session_descriptor_t*) mrcp_descriptor_generate_by_rtsp_response(
const rtsp_message_t *request,
const rtsp_message_t *response,
const char *force_destination_ip,
const apr_table_t *resource_map,
apr_pool_t *pool,
su_home_t *home)
{
mrcp_session_descriptor_t *descriptor = NULL;
const char *resource_name = mrcp_name_get_by_rtsp_name(
resource_map,
request->start_line.common.request_line.resource_name);
if(!resource_name) {
return NULL;
}
if(request->start_line.common.request_line.method_id == RTSP_METHOD_SETUP) {
if(rtsp_header_property_check(&response->header,RTSP_HEADER_FIELD_CONTENT_TYPE) == TRUE &&
rtsp_header_property_check(&response->header,RTSP_HEADER_FIELD_CONTENT_LENGTH) == TRUE &&
response->body.buf) {
sdp_parser_t *parser;
sdp_session_t *sdp;
parser = sdp_parse(home,response->body.buf,response->body.length,0);
sdp = sdp_session(parser);
if(sdp) {
descriptor = mrcp_session_descriptor_create(pool);
mrcp_descriptor_generate_by_sdp_session(descriptor,sdp,force_destination_ip,pool);
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = TRUE;
descriptor->response_code = response->start_line.common.status_line.status_code;
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse SDP Message");
}
sdp_parser_free(parser);
}
else {
descriptor = mrcp_session_descriptor_create(pool);
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = FALSE;
}
}
else if(request->start_line.common.request_line.method_id == RTSP_METHOD_TEARDOWN) {
descriptor = mrcp_session_descriptor_create(pool);
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = FALSE;
}
return descriptor;
}
/** Generate MRCP descriptor by SDP session */
MRCP_DECLARE(mrcp_session_descriptor_t*) mrcp_descriptor_generate_by_sdp_session(const sdp_session_t *sdp, const char *force_destination_ip, apr_pool_t *pool)
{
sdp_media_t *sdp_media;
mrcp_session_descriptor_t *descriptor;
if(!sdp) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Invalid SDP Message");
return NULL;
}
descriptor = mrcp_session_descriptor_create(pool);
if(force_destination_ip) {
apt_string_assign(&descriptor->ip,force_destination_ip,pool);
}
else if(sdp->sdp_connection) {
apt_string_assign(&descriptor->ip,sdp->sdp_connection->c_address,pool);
}
for(sdp_media=sdp->sdp_media; sdp_media; sdp_media=sdp_media->m_next) {
switch(sdp_media->m_type) {
case sdp_media_audio:
{
mpf_rtp_media_descriptor_t *media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->id = mrcp_session_audio_media_add(descriptor,media);
mpf_rtp_media_generate(media,sdp_media,&descriptor->ip,pool);
break;
}
case sdp_media_video:
{
mpf_rtp_media_descriptor_t *media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->id = mrcp_session_video_media_add(descriptor,media);
mpf_rtp_media_generate(media,sdp_media,&descriptor->ip,pool);
break;
}
case sdp_media_application:
{
mrcp_control_descriptor_t *control_media = mrcp_control_descriptor_create(pool);
control_media->id = mrcp_session_control_media_add(descriptor,control_media);
mrcp_control_media_generate(control_media,sdp_media,&descriptor->ip,pool);
break;
}
default:
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Not Supported SDP Media [%s]", sdp_media->m_type_name);
break;
}
}
return descriptor;
}
/** Generate MRCP control media by SDP media */
static apt_bool_t mrcp_control_media_generate(mrcp_control_descriptor_t *control_media, const sdp_media_t *sdp_media, const apt_str_t *ip, apr_pool_t *pool)
{
mrcp_attrib_e id;
apt_str_t name;
apt_str_t value;
sdp_attribute_t *attrib = NULL;
apt_string_set(&name,sdp_media->m_proto_name);
control_media->proto = mrcp_proto_find(&name);
if(control_media->proto != MRCP_PROTO_TCP) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Not supported SDP Proto [%s], expected [%s]",sdp_media->m_proto_name,mrcp_proto_get(MRCP_PROTO_TCP)->buf);
return FALSE;
}
for(attrib = sdp_media->m_attributes; attrib; attrib=attrib->a_next) {
apt_string_set(&name,attrib->a_name);
id = mrcp_attrib_id_find(&name);
switch(id) {
case MRCP_ATTRIB_SETUP:
apt_string_set(&value,attrib->a_value);
control_media->setup_type = mrcp_setup_type_find(&value);
break;
case MRCP_ATTRIB_CONNECTION:
apt_string_set(&value,attrib->a_value);
control_media->connection_type = mrcp_connection_type_find(&value);
break;
case MRCP_ATTRIB_RESOURCE:
apt_string_assign(&control_media->resource_name,attrib->a_value,pool);
break;
case MRCP_ATTRIB_CHANNEL:
apt_string_set(&value,attrib->a_value);
apt_id_resource_parse(&value,'@',&control_media->session_id,&control_media->resource_name,pool);
break;
case MRCP_ATTRIB_CMID:
mrcp_cmid_add(control_media->cmid_arr,atoi(attrib->a_value));
break;
default:
break;
}
}
if(sdp_media->m_connections) {
apt_string_assign(&control_media->ip,sdp_media->m_connections->c_address,pool);
}
else {
control_media->ip = *ip;
}
control_media->port = (apr_port_t)sdp_media->m_port;
return TRUE;
}
/** Generate MRCP descriptor by SDP session */
static mrcp_session_descriptor_t* mrcp_descriptor_generate_by_sdp_session(const sdp_session_t *sdp, apr_pool_t *pool)
{
sdp_media_t *sdp_media;
mrcp_session_descriptor_t *descriptor = mrcp_session_descriptor_create(pool);
if(sdp->sdp_connection) {
apt_string_assign(&descriptor->ip,sdp->sdp_connection->c_address,pool);
}
for(sdp_media=sdp->sdp_media; sdp_media; sdp_media=sdp_media->m_next) {
switch(sdp_media->m_type) {
case sdp_media_audio:
{
mpf_rtp_media_descriptor_t *media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->base.id = mrcp_session_audio_media_add(descriptor,media);
mpf_rtp_media_generate(media,sdp_media,&descriptor->ip,pool);
break;
}
case sdp_media_video:
{
mpf_rtp_media_descriptor_t *media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->base.id = mrcp_session_video_media_add(descriptor,media);
mpf_rtp_media_generate(media,sdp_media,&descriptor->ip,pool);
break;
}
default:
apt_log(APT_PRIO_INFO,"Not Supported SDP Media [%s]", sdp_media->m_type_name);
break;
}
}
return descriptor;
}
static apt_bool_t rtsp_server_message_handler(rtsp_server_connection_t *rtsp_connection, rtsp_message_t *message, apt_message_status_e status)
{
if(status == APT_MESSAGE_STATUS_COMPLETE) {
/* message is completely parsed */
apt_str_t *destination;
destination = &message->header.transport.destination;
if(!destination->buf && rtsp_connection->client_ip) {
apt_string_assign(destination,rtsp_connection->client_ip,rtsp_connection->pool);
}
rtsp_server_session_request_process(rtsp_connection->server,rtsp_connection,message);
}
else if(status == APT_MESSAGE_STATUS_INVALID) {
/* error case */
rtsp_message_t *response;
apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse RTSP Data");
if(message) {
response = rtsp_response_create(message,RTSP_STATUS_CODE_BAD_REQUEST,
RTSP_REASON_PHRASE_BAD_REQUEST,message->pool);
if(rtsp_server_message_send(rtsp_connection->server,rtsp_connection,response) == FALSE) {
apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Send RTSP Response");
}
}
}
return TRUE;
}
/* 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 demo RTP termination descriptor */
mpf_rtp_termination_descriptor_t* demo_rtp_descriptor_create(apr_pool_t *pool)
{
mpf_codec_descriptor_t *codec_descriptor;
mpf_rtp_media_descriptor_t *media;
/* create rtp descriptor */
mpf_rtp_termination_descriptor_t *rtp_descriptor = apr_palloc(pool,sizeof(mpf_rtp_termination_descriptor_t));
mpf_rtp_termination_descriptor_init(rtp_descriptor);
/* create rtp local media */
media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
apt_string_assign(&media->ip,"127.0.0.1",pool);
media->port = 6000;
media->state = MPF_MEDIA_ENABLED;
media->direction = STREAM_DIRECTION_RECEIVE;
/* initialize codec list */
mpf_codec_list_init(&media->codec_list,2,pool);
/* set codec descriptor */
codec_descriptor = mpf_codec_list_add(&media->codec_list);
if(codec_descriptor) {
codec_descriptor->payload_type = 0;
}
/* set another codec descriptor */
codec_descriptor = mpf_codec_list_add(&media->codec_list);
if(codec_descriptor) {
codec_descriptor->payload_type = 96;
apt_string_set(&codec_descriptor->name,"PCMU");
codec_descriptor->sampling_rate = 16000;
codec_descriptor->channel_count = 1;
}
rtp_descriptor->audio.local = media;
return rtp_descriptor;
}
/** 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;
}
/* 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;
}
/** 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;
}
/** 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;
}
/** Generate resource discovery descriptor by RTSP response */
MRCP_DECLARE(mrcp_session_descriptor_t*) mrcp_resource_discovery_response_generate(
const rtsp_message_t *request,
const rtsp_message_t *response,
const apr_table_t *resource_map,
apr_pool_t *pool,
su_home_t *home)
{
mrcp_session_descriptor_t *descriptor = NULL;
const char *resource_name = mrcp_name_get_by_rtsp_name(
resource_map,
request->start_line.common.request_line.resource_name);
if(!resource_name) {
return NULL;
}
descriptor = mrcp_session_descriptor_create(pool);
apt_string_assign(&descriptor->resource_name,resource_name,pool);
if(rtsp_header_property_check(&response->header,RTSP_HEADER_FIELD_CONTENT_TYPE) == TRUE &&
rtsp_header_property_check(&response->header,RTSP_HEADER_FIELD_CONTENT_LENGTH) == TRUE &&
response->body.buf) {
sdp_parser_t *parser;
sdp_session_t *sdp;
parser = sdp_parse(home,response->body.buf,response->body.length,0);
sdp = sdp_session(parser);
if(sdp) {
mrcp_descriptor_generate_by_sdp_session(descriptor,sdp,0,pool);
descriptor->resource_state = TRUE;
descriptor->response_code = response->start_line.common.status_line.status_code;
}
else {
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = TRUE;
}
sdp_parser_free(parser);
}
else {
descriptor->resource_state = FALSE;
}
return descriptor;
}
/** Generate MRCP descriptor by RTSP response */
MRCP_DECLARE(mrcp_session_descriptor_t*) mrcp_descriptor_generate_by_rtsp_response(const rtsp_message_t *request, const rtsp_message_t *response, apr_pool_t *pool, su_home_t *home)
{
mrcp_session_descriptor_t *descriptor = NULL;
const char *resource_name = request->start_line.common.request_line.resource_name;
if(!resource_name) {
return NULL;
}
if(request->start_line.common.request_line.method_id == RTSP_METHOD_SETUP) {
if(rtsp_header_property_check(&response->header.property_set,RTSP_HEADER_FIELD_CONTENT_TYPE) == TRUE &&
rtsp_header_property_check(&response->header.property_set,RTSP_HEADER_FIELD_CONTENT_LENGTH) == TRUE &&
response->body.buf) {
sdp_parser_t *parser;
sdp_session_t *sdp;
parser = sdp_parse(home,response->body.buf,response->body.length,0);
sdp = sdp_session(parser);
descriptor = mrcp_descriptor_generate_by_sdp_session(sdp,pool);
if(descriptor) {
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = TRUE;
}
sdp_parser_free(parser);
}
else {
descriptor = mrcp_session_descriptor_create(pool);
if(descriptor) {
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = FALSE;
}
}
}
else if(request->start_line.common.request_line.method_id == RTSP_METHOD_TEARDOWN) {
descriptor = mrcp_session_descriptor_create(pool);
if(descriptor) {
apt_string_assign(&descriptor->resource_name,resource_name,pool);
descriptor->resource_state = FALSE;
}
}
return descriptor;
}
APT_DECLARE(apt_test_suite_t*) apt_test_suite_create(apr_pool_t *pool, const char *name,
void *obj, apt_test_f tester)
{
apt_test_suite_t *suite = apr_palloc(pool,sizeof(apt_test_suite_t));
suite->pool = pool;
apt_string_assign(&suite->name,name,pool);
suite->obj = obj;
suite->tester = tester;
return suite;
}
/* Receive RTSP message through RTSP connection */
static apt_bool_t rtsp_server_message_receive(apt_net_server_task_t *task, apt_net_server_connection_t *connection)
{
rtsp_server_t *server = apt_net_server_task_object_get(task);
char buffer[RTSP_MESSAGE_MAX_SIZE];
apt_bool_t more_messages_on_buffer = FALSE;
apr_status_t status;
apt_text_stream_t text_stream;
rtsp_message_t *message;
if(!connection || !connection->sock) {
return FALSE;
}
text_stream.text.buf = buffer;
text_stream.text.length = sizeof(buffer)-1;
status = apr_socket_recv(connection->sock, text_stream.text.buf, &text_stream.text.length);
if(status == APR_EOF || text_stream.text.length == 0) {
return apt_net_server_connection_close(task,connection);
}
text_stream.text.buf[text_stream.text.length] = '\0';
text_stream.pos = text_stream.text.buf;
apt_log(APT_PRIO_INFO,"Receive RTSP Message size=%lu\n%s",text_stream.text.length,text_stream.text.buf);
do {
message = rtsp_message_create(RTSP_MESSAGE_TYPE_UNKNOWN,connection->pool);
if(rtsp_message_parse(message,&text_stream) == TRUE) {
apt_str_t *destination = &message->header.transport.destination;
if(!destination->buf && connection->client_ip) {
apt_string_assign(destination,connection->client_ip,connection->pool);
}
rtsp_server_session_request_process(server,connection->obj,message);
}
else {
rtsp_message_t *response;
apt_log(APT_PRIO_WARNING,"Failed to Parse RTSP Message");
response = rtsp_response_create(message,RTSP_STATUS_CODE_BAD_REQUEST,
RTSP_REASON_PHRASE_BAD_REQUEST,message->pool);
if(rtsp_server_message_send(server,connection,response) == FALSE) {
apt_log(APT_PRIO_WARNING,"Failed to Send RTSP Response");
}
}
more_messages_on_buffer = FALSE;
if(text_stream.text.length > (apr_size_t)(text_stream.pos - text_stream.text.buf)) {
/* there are more RTSP messages to signal */
more_messages_on_buffer = TRUE;
text_stream.text.length -= text_stream.pos - text_stream.text.buf;
text_stream.text.buf = text_stream.pos;
apt_log(APT_PRIO_DEBUG,"Saving Remaining Buffer for Next Message");
}
}
while(more_messages_on_buffer);
return TRUE;
}
static apt_bool_t mpf_codec_manager_codec_parse(const mpf_codec_manager_t *codec_manager, mpf_codec_list_t *codec_list, char *codec_desc_str, apr_pool_t *pool)
{
const mpf_codec_t *codec;
mpf_codec_descriptor_t *descriptor;
const char *separator = "/";
char *state;
/* parse codec name */
char *str = apr_strtok(codec_desc_str, separator, &state);
codec_desc_str = NULL; /* make sure we pass NULL on subsequent calls of apr_strtok() */
if(str) {
apt_str_t name;
apt_string_assign(&name,str,pool);
/* find codec by name */
codec = mpf_codec_manager_codec_find(codec_manager,&name);
if(!codec) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"No Such Codec [%s]",str);
return FALSE;
}
descriptor = mpf_codec_list_add(codec_list);
descriptor->name = name;
/* set defualt attributes */
if(codec->static_descriptor) {
descriptor->payload_type = codec->static_descriptor->payload_type;
descriptor->sampling_rate = codec->static_descriptor->sampling_rate;
descriptor->channel_count = codec->static_descriptor->channel_count;
}
else {
descriptor->payload_type = 96;
descriptor->sampling_rate = 8000;
descriptor->channel_count = 1;
}
/* parse optional payload type */
str = apr_strtok(codec_desc_str, separator, &state);
if(str) {
descriptor->payload_type = (apr_byte_t)atol(str);
/* parse optional sampling rate */
str = apr_strtok(codec_desc_str, separator, &state);
if(str) {
descriptor->sampling_rate = (apr_uint16_t)atol(str);
/* parse optional channel count */
str = apr_strtok(codec_desc_str, separator, &state);
if(str) {
descriptor->channel_count = (apr_byte_t)atol(str);
}
}
}
}
return TRUE;
}
/** 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;
}
/** Generate MRCP descriptor by SDP session */
static apt_bool_t mrcp_descriptor_generate_by_sdp_session(mrcp_session_descriptor_t *descriptor, const sdp_session_t *sdp, const char *force_destination_ip, apr_pool_t *pool)
{
sdp_media_t *sdp_media;
if(force_destination_ip) {
apt_string_assign(&descriptor->ip,force_destination_ip,pool);
}
else if(sdp->sdp_connection) {
apt_string_assign(&descriptor->ip,sdp->sdp_connection->c_address,pool);
}
for(sdp_media=sdp->sdp_media; sdp_media; sdp_media=sdp_media->m_next) {
switch(sdp_media->m_type) {
case sdp_media_audio:
{
mpf_rtp_media_descriptor_t *media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->id = mrcp_session_audio_media_add(descriptor,media);
mpf_rtp_media_generate(media,sdp_media,&descriptor->ip,pool);
break;
}
case sdp_media_video:
{
mpf_rtp_media_descriptor_t *media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->id = mrcp_session_video_media_add(descriptor,media);
mpf_rtp_media_generate(media,sdp_media,&descriptor->ip,pool);
break;
}
default:
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Not Supported SDP Media [%s]", sdp_media->m_type_name);
break;
}
}
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 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;
}
