_input_port = new MIDI::IPMIDIPort (_surface->mcp().ipmidi_base() +_surface->number());
_output_port = _input_port;
} else {
- jack_client_t* jack = MackieControlProtocol::instance()->get_session().engine().jack();
+ ARDOUR::PortEngine& port_engine (ARDOUR::AudioEngine::instance()->port_engine());
- _input_port = new MIDI::JackMIDIPort (string_compose (_("%1 in"), _surface->name()), MIDI::Port::IsInput, jack);
- _output_port =new MIDI::JackMIDIPort (string_compose (_("%1 out"), _surface->name()), MIDI::Port::IsOutput, jack);
+ _input_port = new MIDI::JackMIDIPort (string_compose (_("%1 in"), _surface->name()), MIDI::Port::IsInput, port_engine);
+ _output_port =new MIDI::JackMIDIPort (string_compose (_("%1 out"), _surface->name()), MIDI::Port::IsOutput, port_engine);
/* MackieControl has its own thread for handling input from the input
* port, and we don't want anything handling output from the output