diff options
-rw-r--r-- | libs/ardour/async_midi_port.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libs/ardour/async_midi_port.cc b/libs/ardour/async_midi_port.cc index 7614015a2e..abbe0d900a 100644 --- a/libs/ardour/async_midi_port.cc +++ b/libs/ardour/async_midi_port.cc @@ -151,7 +151,10 @@ AsyncMIDIPort::cycle_start (MIDI::pframes_t nframes) } if (shadow_port) { - shadow_midi_filter (mb, shadow_port->get_midi_buffer (nframes)); + MidiBuffer& shadow_buffer (shadow_port->get_midi_buffer (nframes)); + if (shadow_midi_filter (mb, shadow_buffer)) { + shadow_port->flush_buffers (nframes); + } } } } |