This should be called at the beginning of each process cycle before calling
@ref jack_midi_event_reserve or @ref jack_midi_event_write. This
function may not be called on an input port's buffer.
@param port_buffer Port buffer to clear (must be an output port buffer).
Clear an event buffer.
This should be called at the beginning of each process cycle before calling @ref jack_midi_event_reserve or @ref jack_midi_event_write. This function may not be called on an input port's buffer.
@param port_buffer Port buffer to clear (must be an output port buffer).