#!/usr/bin/env python3

"""JACK client that prints all received MIDI events."""

import jack
import binascii

client = jack.Client('MIDI-Monitor')
port = client.midi_inports.register('input')


@client.set_process_callback
def process(frames):
    for offset, data in port.incoming_midi_events():
        print('{}: 0x{}'.format(client.last_frame_time + offset,
                                  binascii.hexlify(data).decode()))

with client:
    print('#' * 80)
    print('press Return to quit')
    print('#' * 80)
    input()