Kaba class MidiEffect ed

class MidiEffect extends Module
    var input: InPort
    var name: string
    var out_changed: source
    var out_play_end_of_stream: source
    var out_read_end_of_stream: source
    var out_state_changed: source
    var out_tick: source
    var output: OutPort
    var port_out: OutPort&[]
    var session: Session&

    # constructors
    func mut __init__()

    # functions
    func mut virtual process(out midi: MidiEventBuffer)
    func mut virtual read_midi(port: i32, out midi: MidiEventBuffer) -> i32