mrcp_message_t* VerifierSession::CreateStartSessionRequest(mrcp_channel_t* pMrcpChannel)
{
mrcp_message_t* pMrcpMessage = CreateMrcpMessage(pMrcpChannel,VERIFIER_START_SESSION);
if(!pMrcpMessage)
return NULL;
mrcp_verifier_header_t* pVerifierHeader;
/* get/allocate verifier header */
pVerifierHeader = (mrcp_verifier_header_t*) mrcp_resource_header_prepare(pMrcpMessage);
if(pVerifierHeader)
{
const VerifierScenario* pScenario = GetScenario();
const char* pRepositoryURI = pScenario->GetRepositoryURI();
if(pRepositoryURI)
{
apt_string_set(&pVerifierHeader->repository_uri,pRepositoryURI);
mrcp_resource_header_property_add(pMrcpMessage,VERIFIER_HEADER_REPOSITORY_URI);
}
const char* pVoiceprintIdentifier = pScenario->GetVoiceprintIdentifier();
if(pVoiceprintIdentifier)
{
apt_string_set(&pVerifierHeader->voiceprint_identifier,pVoiceprintIdentifier);
mrcp_resource_header_property_add(pMrcpMessage,VERIFIER_HEADER_VOICEPRINT_IDENTIFIER);
}
const char* pVerificationMode = pScenario->GetVerificationMode();
if(pVerificationMode)
{
apt_string_set(&pVerifierHeader->verification_mode,pVerificationMode);
mrcp_resource_header_property_add(pMrcpMessage,VERIFIER_HEADER_VERIFICATION_MODE);
}
}
return pMrcpMessage;
}
/** Create sample RTP remote descriptor */
static mpf_rtp_stream_descriptor_t* mpf_rtp_remote_descriptor_create(mpf_suite_session_t *session)
{
mpf_codec_list_t *codec_list;
mpf_codec_descriptor_t *codec_descriptor;
mpf_rtp_stream_descriptor_t *descriptor = apr_palloc(session->pool,sizeof(mpf_rtp_stream_descriptor_t));
mpf_rtp_stream_descriptor_init(descriptor);
descriptor->remote = apr_palloc(session->pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(descriptor->remote);
descriptor->remote->direction = STREAM_DIRECTION_DUPLEX;
apt_string_set(&descriptor->remote->ip,"127.0.0.1");
descriptor->remote->port = 5002;
codec_list = &descriptor->remote->codec_list;
mpf_codec_list_init(codec_list,2,session->pool);
codec_descriptor = mpf_codec_list_add(codec_list);
if(codec_descriptor) {
codec_descriptor->payload_type = 0;
}
codec_descriptor = mpf_codec_list_add(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;
}
return descriptor;
}
static apt_str_t* multipart_content_generate(apt_test_suite_t *suite)
{
apt_multipart_content_t *multipart = apt_multipart_content_create(1500,NULL,suite->pool);
apt_str_t content_type;
apt_str_t content;
apt_str_t *body;
apt_string_set(&content_type,"text/plain");
apt_string_set(&content,"This is the content of the first part");
apt_multipart_content_add2(multipart,&content_type,NULL,&content);
apt_string_set(&content_type,"application/ssml+xml");
apt_string_set(&content,
"<?xml version=\"1.0\"?>\r\n"
"<speak version=\"1.0\"\r\n"
"<p> <s>You have 4 new messages.</s> </p>\r\n"
"</speak>");
apt_multipart_content_add2(multipart,&content_type,NULL,&content);
body = apt_multipart_content_finalize(multipart);
if(body) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Genereted Multipart Content [%lu bytes]\n%s",
body->length,
body->buf);
}
return body;
}
/** Create RTP tx remote descriptor */
static mpf_rtp_stream_descriptor_t* mpf_rtp_tx_remote_descriptor_create(const mpf_suite_agent_t *agent, const mpf_suite_session_t *session)
{
mpf_codec_list_t *codec_list;
mpf_codec_descriptor_t *codec_descriptor;
mpf_rtp_media_descriptor_t *media_descriptor;
mpf_rtp_stream_descriptor_t *stream_descriptor;
media_descriptor = mpf_rtp_media_descriptor_alloc(session->pool);
media_descriptor->state = MPF_MEDIA_ENABLED;
media_descriptor->direction = STREAM_DIRECTION_RECEIVE;
apt_string_set(&media_descriptor->ip,"127.0.0.1");
media_descriptor->port = 5000;
codec_list = &media_descriptor->codec_list;
mpf_codec_list_init(codec_list,1,session->pool);
codec_descriptor = mpf_codec_list_add(codec_list);
if(codec_descriptor) {
codec_descriptor->payload_type = 0;
apt_string_set(&codec_descriptor->name,"PCMU");
codec_descriptor->sampling_rate = 8000;
codec_descriptor->channel_count = 1;
}
stream_descriptor = apr_palloc(session->pool,sizeof(mpf_rtp_stream_descriptor_t));
mpf_rtp_stream_descriptor_init(stream_descriptor);
stream_descriptor->remote = media_descriptor;
stream_descriptor->settings = agent->rtp_settings;
return stream_descriptor;
}
/** Load RTP factory */
static apt_bool_t unimrcp_client_rtp_factory_load(unimrcp_client_loader_t *loader, const apr_xml_elem *root, const char *id)
{
const apr_xml_elem *elem;
char *rtp_ip = NULL;
char *rtp_ext_ip = NULL;
mpf_termination_factory_t *rtp_factory;
mpf_rtp_config_t *rtp_config;
rtp_config = mpf_rtp_config_alloc(loader->pool);
rtp_config->rtp_port_min = DEFAULT_RTP_PORT_MIN;
rtp_config->rtp_port_max = DEFAULT_RTP_PORT_MAX;
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Loading RTP Factory <%s>",id);
for(elem = root->first_child; elem; elem = elem->next) {
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Loading Element <%s>",elem->name);
if(strcasecmp(elem->name,"rtp-ip") == 0) {
rtp_ip = unimrcp_client_ip_address_get(loader,elem,loader->ip);
}
else if(strcasecmp(elem->name,"rtp-ext-ip") == 0) {
rtp_ext_ip = unimrcp_client_ip_address_get(loader,elem,loader->ext_ip);
}
else if(strcasecmp(elem->name,"rtp-port-min") == 0) {
if(is_cdata_valid(elem) == TRUE) {
rtp_config->rtp_port_min = (apr_port_t)atol(cdata_text_get(elem));
}
}
else if(strcasecmp(elem->name,"rtp-port-max") == 0) {
if(is_cdata_valid(elem) == TRUE) {
rtp_config->rtp_port_max = (apr_port_t)atol(cdata_text_get(elem));
}
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Unknown Element <%s>",elem->name);
}
}
if(rtp_ip) {
apt_string_set(&rtp_config->ip,rtp_ip);
}
else {
apt_string_set(&rtp_config->ip,loader->ip);
}
if(rtp_ext_ip) {
apt_string_set(&rtp_config->ext_ip,rtp_ext_ip);
}
else if(loader->ext_ip){
apt_string_set(&rtp_config->ext_ip,loader->ext_ip);
}
rtp_factory = mpf_rtp_termination_factory_create(rtp_config,loader->pool);
return mrcp_client_rtp_factory_register(loader->client,rtp_factory,id);
}
/** 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;
}
/* 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);
}
static apt_bool_t mrcp_unirtsp_on_session_answer(mrcp_session_t *mrcp_session, mrcp_session_descriptor_t *descriptor)
{
mrcp_unirtsp_session_t *session = mrcp_session->obj;
mrcp_unirtsp_agent_t *agent = mrcp_session->signaling_agent->obj;
rtsp_message_t *response = NULL;
const rtsp_message_t *request = rtsp_server_session_request_get(session->rtsp_session);
if(!request) {
return FALSE;
}
if(request->start_line.common.request_line.method_id == RTSP_METHOD_SETUP) {
if(agent->config->origin) {
apt_string_set(&descriptor->origin,agent->config->origin);
}
response = rtsp_response_generate_by_mrcp_descriptor(
request,
descriptor,
agent->config->resource_map,
mrcp_session->pool);
}
else if(request->start_line.common.request_line.method_id == RTSP_METHOD_TEARDOWN) {
response = rtsp_response_create(request,RTSP_STATUS_CODE_OK,RTSP_REASON_PHRASE_OK,mrcp_session->pool);
}
if(!response) {
return FALSE;
}
rtsp_server_session_respond(agent->rtsp_server,session->rtsp_session,response);
return TRUE;
}
/** 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;
}
static apt_bool_t mrcp_sofia_on_session_answer(mrcp_session_t *session, mrcp_session_descriptor_t *descriptor)
{
mrcp_sofia_session_t *sofia_session = session->obj;
mrcp_sofia_agent_t *sofia_agent = session->signaling_agent->obj;
const char *local_sdp_str = NULL;
char sdp_str[2048];
if(!sofia_agent || !sofia_session || !sofia_session->nh) {
return FALSE;
}
if(sofia_agent->config->origin) {
apt_string_set(&descriptor->origin,sofia_agent->config->origin);
}
if(sdp_string_generate_by_mrcp_descriptor(sdp_str,sizeof(sdp_str),descriptor,FALSE) > 0) {
local_sdp_str = sdp_str;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Local SDP\n%s", local_sdp_str);
}
nua_respond(sofia_session->nh, SIP_200_OK,
SIPTAG_CONTACT_STR(sofia_agent->sip_contact_str),
TAG_IF(local_sdp_str,SOATAG_USER_SDP_STR(local_sdp_str)),
NUTAG_AUTOANSWER(0),
TAG_END());
return TRUE;
}
/** Deactivate state machine */
static apt_bool_t recog_state_deactivate(mrcp_state_machine_t *base)
{
mrcp_recog_state_machine_t *state_machine = (mrcp_recog_state_machine_t*)base;
mrcp_message_t *message;
mrcp_message_t *source;
if(state_machine->state != RECOGNIZER_STATE_RECOGNIZING) {
/* no in-progress RECOGNIZE request to deactivate */
return FALSE;
}
source = state_machine->recog;
if(!source) {
return FALSE;
}
/* create internal STOP request */
message = mrcp_request_create(
source->resource,
source->start_line.version,
RECOGNIZER_STOP,
source->pool);
message->channel_id = source->channel_id;
message->start_line.request_id = source->start_line.request_id + 1;
apt_string_set(&message->start_line.method_name,"DEACTIVATE"); /* informative only */
message->header = source->header;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create and Process STOP Request "APT_SIDRES_FMT" [%"MRCP_REQUEST_ID_FMT"]",
MRCP_MESSAGE_SIDRES(message),
message->start_line.request_id);
return recog_request_dispatch(state_machine,message);
}
static apt_bool_t mrcp_sofia_session_offer(mrcp_session_t *session, mrcp_session_descriptor_t *descriptor)
{
char sdp_str[2048];
char *local_sdp_str = NULL;
mrcp_sofia_session_t *sofia_session = session->obj;
if(!sofia_session || !sofia_session->nh) {
return FALSE;
}
if(session->signaling_agent) {
mrcp_sofia_agent_t *sofia_agent = session->signaling_agent->obj;
if(sofia_agent && sofia_agent->config->origin) {
apt_string_set(&descriptor->origin,sofia_agent->config->origin);
}
}
if(sdp_string_generate_by_mrcp_descriptor(sdp_str,sizeof(sdp_str),descriptor,TRUE) > 0) {
local_sdp_str = sdp_str;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Local SDP\n%s", local_sdp_str);
}
nua_invite(sofia_session->nh,
TAG_IF(local_sdp_str,SOATAG_USER_SDP_STR(local_sdp_str)),
TAG_END());
return TRUE;
}
/** 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;
}
/** Deactivate state machine */
static apt_bool_t synth_state_deactivate(mrcp_state_machine_t *base)
{
mrcp_synth_state_machine_t *state_machine = (mrcp_synth_state_machine_t*)base;
mrcp_message_t *message;
mrcp_message_t *source;
if(!state_machine->speaker) {
/* no in-progress SPEAK request to deactivate */
return FALSE;
}
source = state_machine->speaker;
/* create internal STOP request */
message = mrcp_request_create(
source->resource,
source->start_line.version,
SYNTHESIZER_STOP,
source->pool);
message->channel_id = source->channel_id;
message->start_line.request_id = source->start_line.request_id + 1;
apt_string_set(&message->start_line.method_name,"DEACTIVATE"); /* informative only */
message->header = source->header;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create and Process STOP Request [%"MRCP_REQUEST_ID_FMT"]",
message->start_line.request_id);
return synth_request_dispatch(state_machine,message);
}
static apt_bool_t mrcp_server_agent_connection_accept(mrcp_connection_agent_t *agent)
{
char *local_ip = NULL;
char *remote_ip = NULL;
apr_socket_t *sock;
apr_pool_t *pool;
mrcp_connection_t *connection;
if(!agent->null_connection) {
pool = apt_pool_create();
if(apr_socket_accept(&sock,agent->listen_sock,pool) != APR_SUCCESS) {
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Rejected TCP/MRCPv2 Connection");
apr_socket_close(sock);
apr_pool_destroy(pool);
return FALSE;
}
pool = agent->null_connection->pool;
if(apr_socket_accept(&sock,agent->listen_sock,pool) != APR_SUCCESS) {
return FALSE;
}
connection = mrcp_connection_create();
connection->sock = sock;
if(apr_socket_addr_get(&connection->r_sockaddr,APR_REMOTE,sock) != APR_SUCCESS ||
apr_socket_addr_get(&connection->l_sockaddr,APR_LOCAL,sock) != APR_SUCCESS) {
apr_socket_close(sock);
mrcp_connection_destroy(connection);
return FALSE;
}
apr_sockaddr_ip_get(&local_ip,connection->l_sockaddr);
apr_sockaddr_ip_get(&remote_ip,connection->r_sockaddr);
apt_string_set(&connection->remote_ip,remote_ip);
connection->id = apr_psprintf(connection->pool,"%s:%hu <-> %s:%hu",
local_ip,connection->l_sockaddr->port,
remote_ip,connection->r_sockaddr->port);
memset(&connection->sock_pfd,0,sizeof(apr_pollfd_t));
connection->sock_pfd.desc_type = APR_POLL_SOCKET;
connection->sock_pfd.reqevents = APR_POLLIN;
connection->sock_pfd.desc.s = connection->sock;
connection->sock_pfd.client_data = connection;
if(apt_pollset_add(agent->pollset, &connection->sock_pfd) != TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Add to Pollset");
apr_socket_close(sock);
mrcp_connection_destroy(connection);
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Accepted TCP/MRCPv2 Connection %s",connection->id);
connection->agent = agent;
connection->it = apt_list_push_back(agent->connection_list,connection,connection->pool);
connection->parser = mrcp_parser_create(agent->resource_factory,connection->pool);
connection->generator = mrcp_generator_create(agent->resource_factory,connection->pool);
return TRUE;
}
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 demo synthesizer channel derived from engine channel base */
static mrcp_engine_channel_t* mrcp_swift_engine_channel_create(mrcp_resource_engine_t *engine, apr_pool_t *pool)
{
swift_engine *synth_engine = engine->obj;
mrcp_swift_channel_t *synth_channel;
mrcp_engine_channel_t *channel;
swift_params *params;
swift_port *port;
mpf_codec_descriptor_t *codec_descriptor;
codec_descriptor = apr_palloc(pool,sizeof(mpf_codec_descriptor_t));
mpf_codec_descriptor_init(codec_descriptor);
codec_descriptor->channel_count = 1;
codec_descriptor->payload_type = 96;
apt_string_set(&codec_descriptor->name,"L16");
codec_descriptor->sampling_rate = 8000;
params = swift_params_new(NULL);
swift_params_set_string(params, "audio/encoding", "pcm16");
swift_params_set_int(params, "audio/sampling-rate", codec_descriptor->sampling_rate);
/* open swift port */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Open Swift Port");
if((port = swift_port_open(synth_engine,params)) == NULL) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Open Swift Port");
return NULL;
}
/* create swift synth channel */
synth_channel = apr_palloc(pool,sizeof(mrcp_swift_channel_t));
synth_channel->speak_request = NULL;
synth_channel->stop_response = NULL;
synth_channel->paused = FALSE;
synth_channel->channel = NULL;
synth_channel->port = port;
synth_channel->tts_stream = 0;
/* create engine channel base */
channel = mrcp_engine_source_channel_create(
engine, /* resource engine */
&channel_vtable, /* virtual methods table of engine channel */
&audio_stream_vtable, /* virtual methods table of audio stream */
synth_channel, /* object to associate */
codec_descriptor, /* codec descriptor might be NULL by default */
pool); /* pool to allocate memory from */
if(!channel) {
swift_port_close(port);
synth_channel->port = NULL;
return NULL;
}
synth_channel->audio_buffer = mpf_buffer_create(pool);
/* set swift_write_audio as a callback, with the output file as its param */
swift_port_set_callback(port, &mrcp_swift_write_audio, SWIFT_EVENT_AUDIO | SWIFT_EVENT_END, synth_channel);
synth_channel->channel = channel;
return channel;
}
/* Set RTP config struct with param, val pair. */
static int process_rtp_config(mrcp_client_t *client, mpf_rtp_config_t *rtp_config, mpf_rtp_settings_t *rtp_settings, const char *param, const char *val, apr_pool_t *pool)
{
int mine = 1;
if ((client == NULL) || (rtp_config == NULL) || (rtp_settings == NULL) || (param == NULL) || (val == NULL) || (pool == NULL))
return mine;
if (strcasecmp(param, "rtp-ip") == 0)
apt_string_set(&rtp_config->ip, ip_addr_get(val, pool));
else if (strcasecmp(param, "rtp-ext-ip") == 0)
apt_string_set(&rtp_config->ext_ip, ip_addr_get(val, pool));
else if (strcasecmp(param, "rtp-port-min") == 0)
rtp_config->rtp_port_min = (apr_port_t)atol(val);
else if (strcasecmp(param, "rtp-port-max") == 0)
rtp_config->rtp_port_max = (apr_port_t)atol(val);
else if (strcasecmp(param, "playout-delay") == 0)
rtp_settings->jb_config.initial_playout_delay = atol(val);
else if (strcasecmp(param, "min-playout-delay") == 0)
rtp_settings->jb_config.min_playout_delay = atol(val);
else if (strcasecmp(param, "max-playout-delay") == 0)
rtp_settings->jb_config.max_playout_delay = atol(val);
else if (strcasecmp(param, "codecs") == 0) {
/* Make sure that /etc/mrcp.conf contains the desired codec first in the codecs parameter. */
const mpf_codec_manager_t *codec_manager = mrcp_client_codec_manager_get(client);
if (codec_manager != NULL) {
if (!mpf_codec_manager_codec_list_load(codec_manager, &rtp_settings->codec_list, val, pool))
ast_log(LOG_WARNING, "Unable to load codecs\n");
}
} else if (strcasecmp(param, "ptime") == 0)
rtp_settings->ptime = (apr_uint16_t)atol(val);
else if (strcasecmp(param, "rtcp") == 0)
rtp_settings->rtcp = atoi(val);
else if (strcasecmp(param, "rtcp-bye") == 0)
rtp_settings->rtcp_bye_policy = atoi(val);
else if (strcasecmp(param, "rtcp-tx-interval") == 0)
rtp_settings->rtcp_tx_interval = (apr_uint16_t)atoi(val);
else if (strcasecmp(param, "rtcp-rx-resolution") == 0)
rtp_settings->rtcp_rx_resolution = (apr_uint16_t)atol(val);
else
mine = 0;
return mine;
}
/** Create sample RTP local descriptor */
static mpf_rtp_stream_descriptor_t* mpf_rtp_local_descriptor_create(mpf_suite_session_t *session)
{
mpf_rtp_stream_descriptor_t *descriptor = apr_palloc(session->pool,sizeof(mpf_rtp_stream_descriptor_t));
mpf_rtp_stream_descriptor_init(descriptor);
descriptor->local = apr_palloc(session->pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(descriptor->local);
descriptor->local->direction = STREAM_DIRECTION_NONE;
apt_string_set(&descriptor->local->ip,"127.0.0.1");
descriptor->local->port = 5000;
return descriptor;
}
/** \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;
}
/** Load RTP termination factory */
static mpf_termination_factory_t* unimrcp_server_rtp_factory_load(mrcp_server_t *server, const apr_xml_elem *root, apr_pool_t *pool)
{
const apr_xml_elem *elem;
char *rtp_ip = DEFAULT_IP_ADDRESS;
mpf_rtp_config_t *rtp_config = mpf_rtp_config_create(pool);
rtp_config->rtp_port_min = DEFAULT_RTP_PORT_MIN;
rtp_config->rtp_port_max = DEFAULT_RTP_PORT_MAX;
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Loading RTP Termination Factory");
for(elem = root->first_child; elem; elem = elem->next) {
if(strcasecmp(elem->name,"param") == 0) {
const apr_xml_attr *attr_name;
const apr_xml_attr *attr_value;
if(param_name_value_get(elem,&attr_name,&attr_value) == TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Loading Param %s:%s",attr_name->value,attr_value->value);
if(strcasecmp(attr_name->value,"rtp-ip") == 0) {
rtp_ip = ip_addr_get(attr_value->value,pool);
}
else if(strcasecmp(attr_name->value,"rtp-port-min") == 0) {
rtp_config->rtp_port_min = (apr_port_t)atol(attr_value->value);
}
else if(strcasecmp(attr_name->value,"rtp-port-max") == 0) {
rtp_config->rtp_port_max = (apr_port_t)atol(attr_value->value);
}
else if(strcasecmp(attr_name->value,"playout-delay") == 0) {
rtp_config->jb_config.initial_playout_delay = atol(attr_value->value);
}
else if(strcasecmp(attr_name->value,"min-playout-delay") == 0) {
rtp_config->jb_config.min_playout_delay = atol(attr_value->value);
}
else if(strcasecmp(attr_name->value,"max-playout-delay") == 0) {
rtp_config->jb_config.max_playout_delay = atol(attr_value->value);
}
else if(strcasecmp(attr_name->value,"codecs") == 0) {
const mpf_codec_manager_t *codec_manager = mrcp_server_codec_manager_get(server);
if(codec_manager) {
mpf_codec_manager_codec_list_load(codec_manager,&rtp_config->codec_list,attr_value->value,pool);
}
}
else if(strcasecmp(attr_name->value,"ptime") == 0) {
rtp_config->ptime = (apr_uint16_t)atol(attr_value->value);
}
else if(strcasecmp(attr_name->value,"own-preference") == 0) {
rtp_config->own_preferrence = atoi(attr_value->value);
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Unknown Attribute <%s>",attr_name->value);
}
}
}
}
apt_string_set(&rtp_config->ip,rtp_ip);
return mpf_rtp_termination_factory_create(rtp_config,pool);
}
static apt_bool_t mrcp_unirtsp_session_offer(mrcp_session_t *mrcp_session, mrcp_session_descriptor_t *descriptor)
{
mrcp_unirtsp_session_t *session = mrcp_session->obj;
mrcp_unirtsp_agent_t *agent = mrcp_session->signaling_agent->obj;
rtsp_message_t *request;
if(agent->config->origin) {
apt_string_set(&descriptor->origin,agent->config->origin);
}
request = rtsp_request_generate_by_mrcp_descriptor(descriptor,session->rtsp_settings->resource_map,mrcp_session->pool);
return rtsp_client_session_request(agent->rtsp_client,session->rtsp_session,request);
}
static apt_bool_t mrcp_unirtsp_on_announce_response(mrcp_unirtsp_agent_t *agent, mrcp_unirtsp_session_t *session, rtsp_message_t *message, const char *resource_name)
{
mrcp_message_t *mrcp_message = NULL;
if(!session || !resource_name) {
return FALSE;
}
if(rtsp_header_property_check(&message->header,RTSP_HEADER_FIELD_CONTENT_TYPE) == TRUE &&
message->header.content_type == RTSP_CONTENT_TYPE_MRCP &&
rtsp_header_property_check(&message->header,RTSP_HEADER_FIELD_CONTENT_LENGTH) == TRUE &&
message->header.content_length > 0) {
apt_text_stream_t text_stream;
mrcp_parser_t *parser;
apt_str_t resource_name_str;
text_stream.text = message->body;
apt_text_stream_reset(&text_stream);
apt_string_set(&resource_name_str,resource_name);
parser = mrcp_parser_create(agent->sig_agent->resource_factory,session->mrcp_session->pool);
mrcp_parser_resource_set(parser,&resource_name_str);
if(mrcp_parser_run(parser,&text_stream,&mrcp_message) == APT_MESSAGE_STATUS_COMPLETE) {
mrcp_message->channel_id.session_id = message->header.session_id;
}
else {
/* error case */
apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse MRCPv1 Message");
}
}
else {
/* error case */
apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Determine MRCPv1 Message Content");
}
if(!mrcp_message) {
if(!session->mrcp_message) {
return FALSE;
}
mrcp_message = mrcp_response_create(session->mrcp_message,session->mrcp_session->pool);
mrcp_message->start_line.status_code = MRCP_STATUS_CODE_METHOD_FAILED;
}
if(session->mrcp_message && mrcp_message->start_line.request_id == session->mrcp_message->start_line.request_id) {
session->mrcp_message = NULL;
}
mrcp_session_control_response(session->mrcp_session,mrcp_message);
return TRUE;
}
/** Create sample file reader descriptor */
static mpf_audio_file_descriptor_t* mpf_file_reader_descriptor_create(mpf_suite_session_t *session)
{
mpf_codec_descriptor_t *codec_descriptor;
mpf_audio_file_descriptor_t *descriptor = apr_palloc(session->pool,sizeof(mpf_audio_file_descriptor_t));
descriptor->mask = FILE_READER;
descriptor->read_handle = fopen("demo.pcm","rb");
descriptor->write_handle = NULL;
codec_descriptor = &descriptor->codec_descriptor;
codec_descriptor->payload_type = 11;
apt_string_set(&codec_descriptor->name,"L16");
codec_descriptor->sampling_rate = 8000;
codec_descriptor->channel_count = 1;
return descriptor;
}
/** Create RTP tx local descriptor */
static mpf_rtp_stream_descriptor_t* mpf_rtp_tx_local_descriptor_create(const mpf_suite_agent_t *agent, const mpf_suite_session_t *session)
{
mpf_rtp_media_descriptor_t *media_descriptor;
mpf_rtp_stream_descriptor_t *stream_descriptor;
media_descriptor = mpf_rtp_media_descriptor_alloc(session->pool);
media_descriptor->state = MPF_MEDIA_ENABLED;
media_descriptor->direction = STREAM_DIRECTION_SEND;
apt_string_set(&media_descriptor->ip,"127.0.0.1");
media_descriptor->port = 5002;
stream_descriptor = apr_palloc(session->pool,sizeof(mpf_rtp_stream_descriptor_t));
mpf_rtp_stream_descriptor_init(stream_descriptor);
stream_descriptor->local = media_descriptor;
stream_descriptor->settings = agent->rtp_settings;
return stream_descriptor;
}
/** Load resource */
static apt_bool_t unimrcp_client_resource_load(mrcp_resource_loader_t *resource_loader, const apr_xml_elem *root, apr_pool_t *pool)
{
apt_str_t resource_class;
const apr_xml_attr *id_attr;
const apr_xml_attr *enable_attr;
apt_string_reset(&resource_class);
if(header_attribs_get(root,&id_attr,&enable_attr) == FALSE) {
return FALSE;
}
if(is_attr_enabled(enable_attr) == FALSE) {
return TRUE;
}
apt_string_set(&resource_class,id_attr->value);
return mrcp_resource_load(resource_loader,&resource_class);
}
/** Set Record-URI header field */
static apt_bool_t recorder_channel_uri_set(recorder_channel_t *recorder_channel, mrcp_message_t *message)
{
char *record_uri;
/* get/allocate recorder header */
mrcp_recorder_header_t *recorder_header = mrcp_resource_header_prepare(message);
if(!recorder_header) {
return FALSE;
}
record_uri = apr_psprintf(
message->pool,
"<file://mediaserver/data/%s>;size=%"APR_SIZE_T_FMT";duration=%"APR_SIZE_T_FMT,
recorder_channel->file_name,
recorder_channel->cur_size,
recorder_channel->cur_time);
apt_string_set(&recorder_header->record_uri,record_uri);
mrcp_resource_header_property_add(message,RECORDER_HEADER_RECORD_URI);
return TRUE;
}
static apt_bool_t mrcp_unirtsp_session_announce(mrcp_unirtsp_agent_t *agent, mrcp_unirtsp_session_t *session, rtsp_message_t *message)
{
const char *resource_name = mrcp_name_get_by_rtsp_name(
agent->config->resource_map,
message->start_line.common.request_line.resource_name);
apt_bool_t status = TRUE;
if(session && resource_name &&
rtsp_header_property_check(&message->header.property_set,RTSP_HEADER_FIELD_CONTENT_TYPE) == TRUE &&
message->header.content_type == RTSP_CONTENT_TYPE_MRCP &&
rtsp_header_property_check(&message->header.property_set,RTSP_HEADER_FIELD_CONTENT_LENGTH) == TRUE &&
message->header.content_length > 0) {
apt_text_stream_t text_stream;
mrcp_parser_t *parser;
apt_str_t resource_name_str;
text_stream.text = message->body;
text_stream.pos = text_stream.text.buf;
apt_string_set(&resource_name_str,resource_name);
parser = mrcp_parser_create(agent->sig_agent->resource_factory,session->mrcp_session->pool);
mrcp_parser_resource_name_set(parser,&resource_name_str);
if(mrcp_parser_run(parser,&text_stream) == MRCP_STREAM_MESSAGE_COMPLETE) {
mrcp_message_t *mrcp_message = mrcp_parser_message_get(parser);
mrcp_message->channel_id.session_id = message->header.session_id;
status = mrcp_session_control_request(session->mrcp_session,mrcp_message);
}
else {
/* error response */
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse MRCPv1 Message");
status = FALSE;
}
}
else {
/* error response */
status = FALSE;
}
return status;
}
static apt_bool_t mrcp_sofia_on_session_answer(mrcp_session_t *session, mrcp_session_descriptor_t *descriptor)
{
mrcp_sofia_session_t *sofia_session = session->obj;
mrcp_sofia_agent_t *sofia_agent = session->signaling_agent->obj;
const char *local_sdp_str = NULL;
char sdp_str[2048];
if(!sofia_agent || !sofia_session || !sofia_session->nh) {
return FALSE;
}
if(descriptor->status != MRCP_SESSION_STATUS_OK) {
int status = sip_status_get(descriptor->status);
nua_respond(sofia_session->nh, status, sip_status_phrase(status),
TAG_IF(sofia_agent->sip_contact_str,SIPTAG_CONTACT_STR(sofia_agent->sip_contact_str)),
TAG_END());
return TRUE;
}
if(sofia_agent->config->origin) {
apt_string_set(&descriptor->origin,sofia_agent->config->origin);
}
if(sdp_string_generate_by_mrcp_descriptor(sdp_str,sizeof(sdp_str),descriptor,FALSE) > 0) {
local_sdp_str = sdp_str;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Local SDP "APT_NAMESID_FMT"\n%s",
session->name,
MRCP_SESSION_SID(session),
local_sdp_str);
}
nua_respond(sofia_session->nh, SIP_200_OK,
TAG_IF(sofia_agent->sip_contact_str,SIPTAG_CONTACT_STR(sofia_agent->sip_contact_str)),
TAG_IF(local_sdp_str,SOATAG_USER_SDP_STR(local_sdp_str)),
SOATAG_AUDIO_AUX("telephone-event"),
NUTAG_AUTOANSWER(0),
TAG_END());
return TRUE;
}
static apt_bool_t mrcp_sofia_session_offer(mrcp_session_t *session, mrcp_session_descriptor_t *descriptor)
{
char sdp_str[2048];
const char *local_sdp_str = NULL;
apt_bool_t res = FALSE;
mrcp_sofia_session_t *sofia_session = session->obj;
if(!sofia_session) {
return FALSE;
}
if(session->signaling_agent) {
mrcp_sofia_agent_t *sofia_agent = mrcp_sofia_agent_get(session);
if(sofia_agent) {
if(sofia_agent->config->origin) {
apt_string_set(&descriptor->origin,sofia_agent->config->origin);
}
}
}
if(sdp_string_generate_by_mrcp_descriptor(sdp_str,sizeof(sdp_str),descriptor,TRUE) > 0) {
local_sdp_str = sdp_str;
sofia_session->descriptor = descriptor;
apt_obj_log(APT_LOG_MARK,APT_PRIO_INFO,session->log_obj,"Local SDP "APT_NAMESID_FMT"\n%s",
session->name,
MRCP_SESSION_SID(session),
local_sdp_str);
}
apr_thread_mutex_lock(sofia_session->mutex);
if(sofia_session->nh) {
res = TRUE;
nua_invite(sofia_session->nh,
TAG_IF(local_sdp_str,SOATAG_USER_SDP_STR(local_sdp_str)),
TAG_END());
}
apr_thread_mutex_unlock(sofia_session->mutex);
return res;
}