/** 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; }
/** 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 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; }
static apt_bool_t mrcp_unirtsp_on_session_event(rtsp_client_t *rtsp_client, rtsp_client_session_t *rtsp_session, rtsp_message_t *message) { mrcp_unirtsp_agent_t *agent = rtsp_client_object_get(rtsp_client); mrcp_unirtsp_session_t *session = rtsp_client_session_object_get(rtsp_session); const char *resource_name; if(!session) { return FALSE; } resource_name = mrcp_name_get_by_rtsp_name( session->rtsp_settings->resource_map, message->start_line.common.request_line.resource_name); if(!resource_name) { return FALSE; } mrcp_unirtsp_on_announce_response(agent,session,message,resource_name); 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_unirtsp_on_session_response(rtsp_client_t *rtsp_client, rtsp_client_session_t *rtsp_session, rtsp_message_t *request, rtsp_message_t *response) { apt_bool_t status = FALSE; mrcp_unirtsp_agent_t *agent = rtsp_client_object_get(rtsp_client); mrcp_unirtsp_session_t *session = rtsp_client_session_object_get(rtsp_session); if(!agent || !session) { return FALSE; } switch(request->start_line.common.request_line.method_id) { case RTSP_METHOD_SETUP: { const apt_str_t *session_id; const char *force_destination_ip = NULL; mrcp_session_descriptor_t *descriptor; if(session->rtsp_settings->force_destination == TRUE) { force_destination_ip = session->rtsp_settings->server_ip; } descriptor = mrcp_descriptor_generate_by_rtsp_response( request, response, force_destination_ip, session->rtsp_settings->resource_map, session->mrcp_session->pool, session->home); if(!descriptor) { return FALSE; } session_id = rtsp_client_session_id_get(session->rtsp_session); if(session_id) { apt_string_copy( &session->mrcp_session->id, session_id, session->mrcp_session->pool); } status = mrcp_session_answer(session->mrcp_session,descriptor); break; } case RTSP_METHOD_TEARDOWN: { mrcp_session_descriptor_t *descriptor; descriptor = mrcp_descriptor_generate_by_rtsp_response( request, response, NULL, session->rtsp_settings->resource_map, session->mrcp_session->pool, session->home); if(!descriptor) { return FALSE; } status = mrcp_session_answer(session->mrcp_session,descriptor); break; } case RTSP_METHOD_ANNOUNCE: { mrcp_unirtsp_agent_t *agent = rtsp_client_object_get(rtsp_client); const char *resource_name = mrcp_name_get_by_rtsp_name( session->rtsp_settings->resource_map, request->start_line.common.request_line.resource_name); mrcp_unirtsp_on_announce_response(agent,session,response,resource_name); break; } case RTSP_METHOD_DESCRIBE: { mrcp_unirtsp_agent_t *agent = rtsp_client_object_get(rtsp_client); mrcp_unirtsp_on_resource_discover(agent,session,request,response); break; } default: break; } return status; }