diff options
| -rw-r--r-- | libs/midi++2/jack_midiport.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libs/midi++2/jack_midiport.cc b/libs/midi++2/jack_midiport.cc index 0464649989..5ebb55c325 100644 --- a/libs/midi++2/jack_midiport.cc +++ b/libs/midi++2/jack_midiport.cc @@ -243,7 +243,9 @@ JACK_MidiPort::create_ports(const XMLNode& node) _jack_output_port = jack_port_register(_jack_client, string(desc.tag).append("_out").c_str(), JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0); - jack_midi_clear_buffer(jack_port_get_buffer(_jack_output_port, nframes)); + if (_jack_output_port) { + jack_midi_clear_buffer(jack_port_get_buffer(_jack_output_port, nframes)); + } ret = ret && (_jack_output_port != NULL); } @@ -251,7 +253,9 @@ JACK_MidiPort::create_ports(const XMLNode& node) _jack_input_port = jack_port_register(_jack_client, string(desc.tag).append("_in").c_str(), JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0); - jack_midi_clear_buffer(jack_port_get_buffer(_jack_input_port, nframes)); + if (_jack_input_port) { + jack_midi_clear_buffer(jack_port_get_buffer(_jack_input_port, nframes)); + } ret = ret && (_jack_input_port != NULL); } |