static apt_bool_t mrcp_unirtsp_on_session_control(mrcp_session_t *mrcp_session, mrcp_message_t *mrcp_message) { mrcp_unirtsp_session_t *session = mrcp_session->obj; mrcp_unirtsp_agent_t *agent = mrcp_session->signaling_agent->obj; char buffer[500]; apt_text_stream_t stream; rtsp_message_t *rtsp_message = NULL; apt_str_t *body; apt_text_stream_init(&stream,buffer,sizeof(buffer)); mrcp_message->start_line.version = MRCP_VERSION_1; if(mrcp_message_generate(agent->sig_agent->resource_factory,mrcp_message,&stream) != TRUE) { apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Generate MRCPv1 Message"); return FALSE; } stream.text.length = stream.pos - stream.text.buf; if(mrcp_message->start_line.message_type == MRCP_MESSAGE_TYPE_RESPONSE) { /* send RTSP response (OK) */ const rtsp_message_t *request = rtsp_server_session_request_get(session->rtsp_session); if(request) { rtsp_message = rtsp_response_create(request,RTSP_STATUS_CODE_OK,RTSP_REASON_PHRASE_OK,mrcp_session->pool); } } else if(mrcp_message->start_line.message_type == MRCP_MESSAGE_TYPE_EVENT) { /* send RTSP announce */ rtsp_message = rtsp_request_create(mrcp_session->pool); rtsp_message->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name( agent->config->resource_map, mrcp_message->channel_id.resource_name.buf); rtsp_message->start_line.common.request_line.method_id = RTSP_METHOD_ANNOUNCE; } if(!rtsp_message) { return FALSE; } body = &rtsp_message->body; body->length = mrcp_message->start_line.length; body->buf = apr_palloc(rtsp_message->pool,body->length+1); memcpy(body->buf,stream.text.buf,stream.text.length); if(mrcp_message->body.length) { memcpy(body->buf+stream.text.length,mrcp_message->body.buf,mrcp_message->body.length); } body->buf[body->length] = '\0'; rtsp_message->header.content_type = RTSP_CONTENT_TYPE_MRCP; rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_TYPE,rtsp_message->pool); rtsp_message->header.content_length = body->length; rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_LENGTH,rtsp_message->pool); rtsp_server_session_respond(agent->rtsp_server,session->rtsp_session,rtsp_message); return TRUE; }
/** Generate RTSP resource discovery request */ MRCP_DECLARE(rtsp_message_t*) rtsp_resource_discovery_request_generate( const char *resource_name, const apr_table_t *resource_map, apr_pool_t *pool) { rtsp_message_t *request = rtsp_request_create(pool); request->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name( resource_map, resource_name); request->start_line.common.request_line.method_id = RTSP_METHOD_DESCRIBE; return request; }
static apt_bool_t mrcp_unirtsp_session_control(mrcp_session_t *mrcp_session, mrcp_message_t *mrcp_message) { mrcp_unirtsp_session_t *session = mrcp_session->obj; mrcp_unirtsp_agent_t *agent = mrcp_session->signaling_agent->obj; char buffer[2000]; apt_text_stream_t stream; rtsp_message_t *rtsp_message = NULL; apt_str_t *body; apt_text_stream_init(&stream,buffer,sizeof(buffer)); mrcp_message->start_line.version = MRCP_VERSION_1; if(mrcp_message_generate(agent->sig_agent->resource_factory,mrcp_message,&stream) != TRUE) { apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Generate MRCPv1 Message"); return FALSE; } stream.text.length = stream.pos - stream.text.buf; rtsp_message = rtsp_request_create(mrcp_session->pool); rtsp_message->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name( session->rtsp_settings->resource_map, mrcp_message->channel_id.resource_name.buf); rtsp_message->start_line.common.request_line.method_id = RTSP_METHOD_ANNOUNCE; body = &rtsp_message->body; body->length = mrcp_message->start_line.length; body->buf = apr_palloc(rtsp_message->pool,body->length+1); memcpy(body->buf,stream.text.buf,stream.text.length); if(mrcp_message->body.length) { memcpy(body->buf+stream.text.length,mrcp_message->body.buf,mrcp_message->body.length); } body->buf[body->length] = '\0'; rtsp_message->header.content_type = RTSP_CONTENT_TYPE_MRCP; rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_TYPE,rtsp_message->pool); rtsp_message->header.content_length = body->length; rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_LENGTH,rtsp_message->pool); session->mrcp_message = mrcp_message; rtsp_client_session_request(agent->rtsp_client,session->rtsp_session,rtsp_message); return TRUE; }
/* Teardown session resources */ static apt_bool_t rtsp_client_session_resources_teardown(rtsp_client_t *client, rtsp_client_session_t *session) { void *val; rtsp_message_t *setup_request; rtsp_message_t *teardown_request; apr_hash_index_t *it; /* set termination state to in-progress and teardown remaining resources */ session->term_state = TERMINATION_STATE_INPROGRESS; it = apr_hash_first(session->pool,session->resource_table); for(; it; it = apr_hash_next(it)) { apr_hash_this(it,NULL,NULL,&val); setup_request = val; if(!setup_request) continue; teardown_request = rtsp_request_create(session->pool); teardown_request->start_line.common.request_line.resource_name = setup_request->start_line.common.request_line.resource_name; teardown_request->start_line.common.request_line.method_id = RTSP_METHOD_TEARDOWN; rtsp_client_session_message_process(client,session,teardown_request); } return TRUE; }
/** Generate RTSP request by MRCP descriptor */ MRCP_DECLARE(rtsp_message_t*) rtsp_request_generate_by_mrcp_descriptor(const mrcp_session_descriptor_t *descriptor, const apr_table_t *resource_map, apr_pool_t *pool) { apr_size_t i; apr_size_t count; apr_size_t audio_index = 0; mpf_rtp_media_descriptor_t *audio_media; apr_size_t video_index = 0; mpf_rtp_media_descriptor_t *video_media; apr_size_t offset = 0; char buffer[2048]; apr_size_t size = sizeof(buffer); rtsp_message_t *request; const char *ip = descriptor->ext_ip.buf ? descriptor->ext_ip.buf : (descriptor->ip.buf ? descriptor->ip.buf : "0.0.0.0"); request = rtsp_request_create(pool); request->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name( resource_map, descriptor->resource_name.buf); if(descriptor->resource_state != TRUE) { request->start_line.common.request_line.method_id = RTSP_METHOD_TEARDOWN; return request; } request->start_line.common.request_line.method_id = RTSP_METHOD_SETUP; buffer[0] = '\0'; offset += snprintf(buffer+offset,size-offset, "v=0\r\n" "o=%s 0 0 IN IP4 %s\r\n" "s=-\r\n" "c=IN IP4 %s\r\n" "t=0 0\r\n", descriptor->origin.buf ? descriptor->origin.buf : "-", ip, ip); count = mrcp_session_media_count_get(descriptor); for(i=0; i<count; i++) { audio_media = mrcp_session_audio_media_get(descriptor,audio_index); if(audio_media && audio_media->id == i) { /* generate audio media */ audio_index++; offset += sdp_rtp_media_generate(buffer+offset,size-offset,descriptor,audio_media); request->header.transport.client_port_range.min = audio_media->port; request->header.transport.client_port_range.max = audio_media->port+1; continue; } video_media = mrcp_session_video_media_get(descriptor,video_index); if(video_media && video_media->id == i) { /* generate video media */ video_index++; offset += sdp_rtp_media_generate(buffer+offset,size-offset,descriptor,video_media); continue; } } request->header.transport.protocol = RTSP_TRANSPORT_RTP; request->header.transport.profile = RTSP_PROFILE_AVP; request->header.transport.delivery = RTSP_DELIVERY_UNICAST; rtsp_header_property_add(&request->header.property_set,RTSP_HEADER_FIELD_TRANSPORT); if(offset) { apt_string_assign_n(&request->body,buffer,offset,pool); request->header.content_type = RTSP_CONTENT_TYPE_SDP; rtsp_header_property_add(&request->header.property_set,RTSP_HEADER_FIELD_CONTENT_TYPE); request->header.content_length = offset; rtsp_header_property_add(&request->header.property_set,RTSP_HEADER_FIELD_CONTENT_LENGTH); } return request; }