def test_running_status(self):
return # Running doesn't work with PortMidi, so it's turned off.
# Two note_on messages. (The second has no status byte,
# so the last seen status byte is used instead.)
a = mido.parse_all([0x90, 0x01, 0x02, 0x01, 0x02])
b = [Message('note_on', note=1, velocity=2)] * 2
self.assertEqual(a, b)
# System common messages should cancel running status.
# (0xf3 is 'songpos'. This should be 'song song=2'
# followed by a stray data byte.
a = mido.parse_all([0xf3, 2, 3])
b = [Message('song', song=2)]
self.assertEqual(a, b)
def bruteforce_sound(path_to_wav,
synth_def,
params_def,
target_score=50,
pop_size=50,
max_generations=100,
mutation_rate=0.05,
midi_channel=10,
midi_device=None):
global best_patch
print('z', synth_def)
# synth = SimpleCCPatch(midi_channel, synth_def, ['Feedback', 'Mix'])
synth = SimpleCCPatch(midi_channel, synth_def, [
'Algo', 'Ratio C', 'Ratio A', 'Ratio B1', 'Ratio B2', 'Harmonics',
'Detune', 'Feedback', 'Mix', 'A Level', 'B Level'
])
outport = mido.open_output(midi_device)
comp = MFCCComparator(path_to_wav)
length = comp.target_length
gm = GeneticModel(pop_size, mutation_rate, epoch=30)
gm.test_function = lambda S: try_speciman(synth, outport, midi_channel,
comp, gm, S, length)
for param in params_def:
gm.add_param(param['name'], param['min'], param['max'])
best_result = -1
for i in range(max_generations):
print(f"Generation {i+1}/{max_generations}")
generation = gm.iterate()
# Send best patch
for cmd in mido.parse_all(best_patch):
outport.send(cmd)
def main():
"""Parse a note_on msg and compare it to one created with Message()."""
#message = mido.parse(b'\x90\x4c\x20')
messages = mido.parse_all(b'\xB5\x8D\x80\x15\x40')
for message in messages:
print(message)
def generate_midi(self, filename, length=100, delay=96):
output = MidiFile()
byte_list = super().generate_obj_list(length)
track = parse_all(byte_list)
for message in track:
message.time = delay
output.tracks.append(self.metamessages)
output.tracks.append(track)
output.save(filename)
def wait_for_messages(self):
while 1:
socket_list = [self.sock]
# Get the list sockets which are readable
read_sockets, write_sockets, error_sockets = select.select(
socket_list, [], [], 0)
for sock in read_sockets:
# incoming message from remote server
if sock == self.sock:
data = sock.recv(4096)
if not data:
print('\nDisconnected from chat server')
sys.exit()
else:
# print data
#sys.stdout.write(">" + str(binascii.unhexlify(data.decode())) + "<")
#print("Received1: " + data.decode())
messages = str(data.decode()).split("m")
if len(messages) >= 2:
messages.pop(0)
for message in messages:
message_header = message[:1]
message_body = message[2:]
print(message)
if message_header == "n":
notes_hex = message_body
notes_bin = bytearray.fromhex(notes_hex)
notes_mido = mido.parse_all(notes_bin)
print(notes_mido)
if self.midi_ports != None:
for note in notes_mido:
if isinstance(note, Message):
self.midi_ports_out.send(note)
elif note.type == 'set_tempo':
print(
'Tempo changed to {:.1f} BPM.'
.format(
tempo2bpm(note.tempo)))
if self.midi_ports != None:
msg = ''
bytes = bytearray()
for message in mido.ports.multi_receive(self.midi_ports,
block=False):
print('Sending: {}'.format(message))
bytes = bytes + message.bin()
if bytes != b'':
message = "mn=" + bytes.hex()
#hex = "mn=803c00"
#hex = "mn=803c00mn=903740"
print("Sent: " + message)
self.sock.send(message.encode())
def message(p1):
"""
This function will use the `mido` python midi module
to generate a midi message (which can later be sent to a `mido` midi output)
"""
sysex=[0xf0]
sysex.extend([0x41, 0x35, 0x00, 0x21, 0x20, 0x01])
sysex.extend(p1.bytes())
sysex.extend([0xf7])
return mido.parse_all(sysex)[0]
if __name__ == '__main__':
print 's\'all good, homie.'
def try_speciman(synth, midi_device, channel, comp, genetic_model, speciman,
sample_length):
global best_score
global best_patch
global best_count
for (param, value) in zip(genetic_model.params, speciman.values):
synth.set_param(param['key'], int(round(value)))
# print(f'{param["key"]} = {int(round(value))}; ', end='')
patch = synth.get_patch()
# print('zxz', midi_device)
outport = midi_device
# outport = mido.open_output(midi_device)
# send patch
# midi.send(patch)
# record wav
# wav = record(sample_length, comp.sample_rate, 100)
for cmd in mido.parse_all(patch):
outport.send(cmd)
wav = sd.rec(sample_length + 800, comp.sample_rate, channels=1)
outport.send(mido.Message('note_on', channel=channel, note=48))
# time.sleep(.001)
sd.wait()
outport.send(mido.Message('note_off', channel=channel, note=48))
wav = trimpad(wav, 0.01, comp.target_length)
normwav = normalize(wav)
# wavfile.write(f'specimenx/feedback{speciman.values[0]}.wav', 48000, normwav)
# wavfile.write(f'specimenx/orig{speciman.values[0]}.wav', 48000, wav)
score = comp.compare_to(normwav, 48000)
if score < best_score:
wavfile.write(f'specimen/best{best_count}.wav', 48000, normwav)
# wavfile.write(f'specimen/bestn{best_count}.wav', 48000, normwav)
best_score = score
best_patch = patch
print(f'{best_count}. ', end='')
best_count += 1
for (param, value) in zip(genetic_model.params, speciman.values):
synth.set_param(param['key'], int(round(value)))
print(f'{param["key"]} = {int(round(value))}; ', end='')
print(' Score -> ', score)
return score
else:
return UnknownMsgType
all_data_points = {}
for i, track in enumerate(mid3.tracks):
# print("--*--" * 20)
# print('Track {}: {}'.format(i, track.name))
# print(track,dir(track))
len_msg = len(track)
for msg in track:
global_msg_count += 1
bytes_p = msg.bytes()
decoded_msg = str(mido.parse_all(bytes_p))
# print(decoded_msg)
msg_type = check_msg_type(msg=decoded_msg)
if msg_type == MessageFormatter:
identifier = "M"
msg_repr = MessageFormatter(decoded_msg)
elif msg_type == ResetTimerMsg:
identifier = "R"
msg_repr = ResetTimerMsg(decoded_msg)
else:
identifier = "U"
msg_repr = UnknownMsgType()
all_data_points["%s_%s" % (identifier, global_msg_count)] = msg_repr.arr
def test_undefined_realtime_inside_sysex(self):
"""Undefined realtime message inside sysex should ignored."""
messages = mido.parse_all([0xf0, 0, 0xf9, 0xfd, 0, 0xf7])
self.assertTrue(len(messages) == 1)
self.assertTrue(messages[0].type == 'sysex')
def test_realtime_inside_sysex(self):
"""Realtime message inside sysex should be delivered first."""
messages = mido.parse_all([0xf0, 0, 0xfb, 0, 0xf7])
self.assertTrue(len(messages) == 2)
self.assertTrue(messages[0].type == 'continue')
self.assertTrue(messages[1].type == 'sysex')
def test_undefined_messages(self):
"""The parser should ignore undefined status bytes and sysex_end."""
messages = mido.parse_all([0xf4, 0xf5, 0xf7, 0xf9, 0xfd])
self.assertTrue(messages == [])
def test_one_byte_message(self):
"""Messages that are one byte long should not wait for data bytes."""
messages = mido.parse_all([0xf6]) # Tune request.
self.assertTrue(len(messages) == 1)
self.assertTrue(messages[0].type == 'tune_request')
def test_parse_stray_status_bytes(self):
"""The parser should ignore stray status bytes."""
ret = mido.parse_all(b'\x90\x90\xf0')
self.assertTrue(ret == [])
def test_parse_stray_data(self):
"""The parser should ignore stray data bytes."""
ret = mido.parse_all(b'\x20\x30')
self.assertTrue(ret == [])
