+ _mtdm = 0;
+
+ /* find the ports we will connect to */
+
+ PortEngine::PortHandle out = pe.get_port_by_name (_latency_output_name);
+ PortEngine::PortHandle in = pe.get_port_by_name (_latency_input_name);
+
+ if (!out || !in) {
+ stop (true);
+ return -1;
+ }
+
+ /* create the ports we will use to read/write data */
+
+ if ((_latency_output_port = pe.register_port ("latency_out", DataType::AUDIO, IsOutput)) == 0) {
+ stop (true);
+ return -1;
+ }
+ if (pe.connect (_latency_output_port, _latency_output_name)) {
+ pe.unregister_port (_latency_output_port);
+ stop (true);
+ return -1;
+ }
+
+ const string portname ("latency_in");
+ if ((_latency_input_port = pe.register_port (portname, DataType::AUDIO, IsInput)) == 0) {
+ pe.unregister_port (_latency_output_port);
+ stop (true);
+ return -1;
+ }
+ if (pe.connect (_latency_input_name, make_port_name_non_relative (portname))) {
+ pe.unregister_port (_latency_output_port);
+ stop (true);
+ return -1;
+ }
+
+ LatencyRange lr;
+ _latency_signal_latency = 0;
+ lr = pe.get_latency_range (in, false);
+ _latency_signal_latency = lr.max;
+ lr = pe.get_latency_range (out, true);
+ _latency_signal_latency += lr.max;
+
+ /* all created and connected, lets go */