def record_midi_wav(mid_):
# write mid_ to file
with open("test.mid", "wb") as bin_file:
mid_.writeFile(bin_file)
s = Server().boot().start()
# create app synth
midi_reader = Notein()
amp = MidiAdsr(midi_reader['velocity'])
pit = MToF(midi_reader['pitch'])
osc = SineLoop(freq=pit, feedback=0, mul=amp).mix(1)
rev = STRev(osc, revtime=1, cutoff=4000, bal=0.2).out()
# create recorder
rec = Record(rev, buffering=2, filename='beat.wav', quality=0.4)
clean = Clean_objects(12, rec)
clean.start()
midi_reader = MidiFile('test.mid')
# makeshift infinite loop
for message in midi_reader.play():
s.addMidiEvent(*message.bytes())
s.stop()
#useful for debugging
show = False
if "-v" in argv:
show = True
#Pyo server/objects
s = Server().boot()
s.start()
wav = SineLoop(freq=2 * Pi * 261.626)
notes = dict()
notes['a'] = 220
notes['b'] = 246.942
notes['c'] = 261.626
notes['d'] = 293.665
notes['e'] = 329.628
notes['f'] = 349.228
notes['g'] = 391.995
notes['highA'] = 440
try:
main()
except KeyboardInterrupt:
pass
wav.stop()
#otherOut.stop()
s.stop()
cls()
print "Stopped theremin"
exit()
class MusebotBase(object):
'''
This class includes the functionality required by all Musebots, namely the
ability to parse the config file, communicate with the server, and gracefully
start up and shut down as per the Musebot communication spec.
'''
class Heartbeat:
def __init__(self, config={}):
self._del = 1 # 1 beat per second
self._msg = [config['id']]
self._osc = OscDataSend('s', config['mc_listen_port'],
'/agent/alive', host=config['mc_hostname'])
def beat(self):
while True:
self._osc.send(self._msg)
sleep(self._del)
if not serverBooted(): break
def start(self, run_as_deamon=True):
self._thread = Thread(target=self.beat)
self._thread.daemon = run_as_deamon # True => die when main thread dies
self._thread.start()
def __init__(self, config_path='config.txt'):
self.parse_config_file(config_path)
# init members & properties
self._server = Server().boot() # do first
self._heartbeat = MusebotBase.Heartbeat(self._config)
self._osc_listeners = {}
self._osc_recv = OscDataReceive(self.port, '/', self.osc_listener_callback)
# register osc listeners
self.register_osc_listener('/agent/gain', self.gain)
self.register_osc_listener('/agent/kill', self.shutdown)
self.register_osc_listener('/agent/quit', self.shutdown)
self.register_osc_listener('/agent/off', self.shutdown)
def parse_config_file(self, config):
with open(config) as f:
self._config = {}
for line in f:
k,v = line.split()
if k in {'mc_listen_port', 'my_listen_port', 'output_channels'}:
self._config[k] = int(v)
else:
self._config[k] = v
def run(self):
'''Implemented in user code'''
pass
def start(self):
self._heartbeat.start()
self.run()
def register_osc_listener(self, address, func):
self._osc_listeners[address] = func
self._osc_recv.addAddress(address)
def osc_listener_callback(self, address, *args):
if address in self._osc_listeners:
self._osc_listeners[address](args)
############################################################################
# osc callbacks
#
def shutdown(self, *args):
print(self.id+' shutting down!')
self._server.stop()
self._server.closeGui()
def gain(self, gain, *args):
self._server.amp = float(gain[0])
############################################################################
# properties
#
@property
def server(self):
return self._server
@property
def config(self):
return deepcopy(self._config)
@property
def id(self):
return self.config['id']
@property
def port(self):
return self.config['my_listen_port']
@property
def hostname(self):
return self.config['mc_hostname']
@property
def hostport(self):
return self.config['mc_listen_port']
@property
def heartbeat(self):
return self._heartbeat
class MidiCube:
def __init__(self, pers_mgr=PersistenceManager()):
self.inputs = {}
self.outputs = {}
self.reg_mgr = RegistrationManager()
self.pers_mgr = pers_mgr
def reg(self):
return self.reg_mgr.cur_reg
def add_input(self, device: MidiInputDevice):
device.cube = self
self.inputs[device.get_identifier()] = device
#Add Binding callback
def callback(msg: mido.Message):
for binding in self.reg().bindings:
binding.apply(msg.copy(), self, device)
device.add_listener(MidiListener(-1, callback))
def add_output(self, device: MidiOutputDevice):
device.cube = self
self.outputs[device.get_identifier()] = device
print('Added output: ' + device.get_identifier())
def load_devices(self):
for name in mido.get_input_names():
device = mido.open_input(name)
self.add_input(PortInputDevice(device))
for name in mido.get_output_names():
device = mido.open_output(name)
self.add_output(PortOutputDevice(device))
def init(self):
#Boot server
self.server = Server(audio='jack')
self.server.deactivateMidi()
self.server.boot().start()
#Init devices
for device in self.outputs.values():
device.init()
#Load Registrations
self.pers_mgr.load(self)
print("Loaded Registrations")
def cb(r):
for o in self.outputs.values():
o.on_reg_change()
self.reg_mgr.add_listener(cb)
#Init devices
for device in self.outputs.values():
device.on_reg_change()
def close(self, save=True):
for key, inport in self.inputs.items():
try:
inport.close()
except:
pass
for key, outport in self.outputs.items():
try:
outport.close()
except:
pass
if save:
self.pers_mgr.save(self)
print("Saved registrations!")
self.server.stop()
def create_menu(self):
#Option list
options = [
midicube.menu.SimpleMenuOption(self.__bind_device_menu,
"Bind Devices", ""),
midicube.menu.SimpleMenuOption(self.__setup_device_menu,
"Set Up Devices", ""),
midicube.menu.SimpleMenuOption(self.__delete_binding_menu,
"Delete Bindings", ""),
midicube.menu.SimpleMenuOption(self.__registration_menu,
"Registrations", "")
]
menu = midicube.menu.OptionMenu(options, history=True)
return menu
def __bind_device_menu(self):
#Callback
def enter():
self.reg().bindings.append(
DeviceBinding(in_device.curr_value(), out_device.curr_value(),
in_channel.curr_value(),
out_channel.curr_value()))
#out_device.curr_value().bind(in_device.curr_value(), in_channel.curr_value(), out_channel.curr_value())
return None
#Options
in_device = midicube.menu.ValueMenuOption(enter, "Input Device",
[*self.inputs.keys()])
out_device = midicube.menu.ValueMenuOption(enter, "Output Device",
[*self.outputs.keys()])
in_channel = midicube.menu.ValueMenuOption(enter, "Input Channel",
range(-1, 16))
out_channel = midicube.menu.ValueMenuOption(enter, "Output Channel",
range(-1, 16))
#Menu
return midicube.menu.OptionMenu(
[in_device, out_device, in_channel, out_channel])
def __setup_device_menu(self):
#Callback
def enter():
return device.curr_value().create_menu()
#Options
device = midicube.menu.ValueMenuOption(enter, "Device",
[*self.outputs.values()])
#Menu
return midicube.menu.OptionMenu([device])
def __delete_binding_menu(self):
#Callback
def enter():
if binding.curr_value() != None:
self.reg().bindings.remove(binding.curr_value())
return None
#Options
binding = midicube.menu.ValueMenuOption(enter, "Delete Bindings",
self.reg().bindings)
#Menu
return midicube.menu.OptionMenu([binding])
def __registration_menu(self):
#TODO Refresh menu when registrations are changed
#Callbacks
def select_reg():
self.reg_mgr.select(registration.curr_value())
return None
def save_reg_menu():
reg = self.reg()
def save_reg(name):
reg.name = name
self.reg_mgr.add_registration(reg)
return None
return midicube.menu.InputMenu(save_reg, "Save as", reg.name)
def overwrite_reg_menu():
reg = self.reg()
def overwrite_name(name):
def overwrite_reg(new_name):
del self.reg_mgr.registrations[name]
reg.name = new_name
self.reg_mgr.add_registration(reg)
return midicube.menu.InputMenu(overwrite_reg, "New Name",
reg.name)
return midicube.menu.InputMenu(overwrite_name, "Overwrite",
reg.name)
def delete_reg():
del self.reg_mgr.registrations[self.reg().name]
return None
#Options
registration = midicube.menu.ValueMenuOption(
select_reg, "Select Registration",
[*self.reg_mgr.registrations.values()])
save = midicube.menu.SimpleMenuOption(save_reg_menu,
"Save Registration", "")
overwrite = midicube.menu.SimpleMenuOption(overwrite_reg_menu,
"Overwrite Registration",
"")
delete = midicube.menu.SimpleMenuOption(delete_reg,
"Delete Registration", "")
#Menu
return midicube.menu.OptionMenu(
[registration, save, overwrite, delete])
run = True
server = Server().boot()
server.start()
met = Metro(.125, 12).play()
players.append(Player(met, notes1))
players.append(Player(met, notes2))
players.append(Player(met, notes3))
while run:
for event in pygame.event.get():
if event.type == pygame.KEYUP:
for player in players:
player.note_off(chr(event.key))
if event.key == ESC:
run = False
break
if event.key == PLUS:
met.time = min(.5, met.time + .01)
if event.key == MINUS:
met.time = max(.07, met.time - .01)
if event.type == pygame.KEYDOWN:
for player in players:
player.note_on(chr(event.key))
server.stop()
class MusicPlayer:
"""Playback engine for sequencer samples and sounds"""
NUM_PAGES = 8
NUM_ROWS = 8
NUM_COLS = 8
NUM_TRACKS = 3
NUM_BEATS = NUM_PAGES * NUM_COLS
SECONDS_PER_MIN = 60.0
# Parameters for GUI to build sliders
MIN_TEMPO = 40.0
MAX_TEMPO = 240.0
MIN_VOLUME = 0.0
MAX_VOLUME = 1.0
MIN_REVERB = 0.0
MAX_REVERB = 1.0
# Instrument descriptive constants
WAVETABLE_A = 0
WAVETABLE_B = 1
DRUM_KIT = 2
def __init__(self):
"""Constructor for music_player"""
"""Make sure to call add_gui once initialized"""
self.instruments = [] #instrument/track volume is here
self.tempo = 120.0 #BPM (for now)
self.global_volume = 0.75 #between 0 and 1
self.page_index = 0 #1st page
self.play_all = False
self.playhead_index = 0
self.beat_index = 0
self.server = Server(duplex=0)
"""Set proper output device for latency-free playback on Windows"""
"""Source: https://groups.google.com/d/msg/pyo-discuss/9fvFiGbch3c/tzJTfbpLUY8J"""
if platform.system() == "Windows":
out_devices = pa_get_output_devices()
od_index = 0
for od in out_devices[0]:
if "Primary Sound Driver" in od:
pai = int(out_devices[1][od_index])
self.server.setOutputDevice(pai)
break
od_index += 1
self.server.boot()
self.server.start()
metronome_time = self.SECONDS_PER_MIN / self.tempo
self.metronome = Metro(time=metronome_time)
self.metronome_callback = TrigFunc(self.metronome, function=self.step)
# Create instruments
wavetable_a = WaveInstrument(self, WaveInstrument.BASS)
wavetable_b = WaveInstrument(self, WaveInstrument.LEAD)
drums = DrumInstrument(self)
self.instruments.append(wavetable_a)
self.instruments.append(wavetable_b)
self.instruments.append(drums)
self.mixer_setup()
def mixer_setup(self):
# Combine all tracks in mixer
self.track_mixer = Mixer(outs=1)
for inst_index in range(0, len(self.instruments)):
instrument = self.instruments[inst_index]
generator = instrument.get_generator()
self.track_mixer.addInput(inst_index, generator)
self.track_mixer.setAmp(inst_index, 0, instrument.get_volume())
# Prepare master output
self.master_out = Mixer(outs=1, chnls=2)
self.master_out.addInput(0, self.track_mixer[0])
self.master_out.setAmp(0, 0, self.global_volume)
self.master_out.out()
def add_gui(self, gui):
""" Sets the GUI that this music player must instruct to update playhead.
Must be called right after constructor before operation.
Arguments:
gui: GUI object monitoring this player
"""
self.gui = gui
def terminate(self):
"""Terminate MusicPlayer server in preparation for shutdown"""
self.server.stop()
self.server.shutdown()
def step(self):
""" Step the music player through next beat """
# Set GUI to reflect current beat
self.gui.update_playhead()
# Play step for instruments
for instrument in self.instruments:
instrument.play_step()
# For next iteration, increment playhead and beat indices
self.playhead_index = (self.playhead_index + 1) % self.NUM_COLS
if (self.play_all == True):
self.beat_index = (self.beat_index + 1) % self.NUM_BEATS
elif (self.play_all == False):
self.beat_index = (self.page_index * self.NUM_COLS) +\
self.playhead_index
def add_network_handler(self, network_handler):
self.network_handler = network_handler
"""playback methods"""
def play(self):
self.metronome.play()
def pause(self):
for instrument in self.instruments:
instrument.pause()
self.metronome.stop()
def set_session(self, session):
"""used to load a session into the music player"""
# Reload pertinent MusicPlayer variables
self.set_tempo(session.tempo)
# Reconstruct each instrument from session data
self.instruments = []
instrument_data = session.instrument_data
for data in instrument_data:
volume = data.volume
reverb_mix = data.reverb_mix
notes = data.notes
if isinstance(data, WaveInstrumentData):
wavetype = data.wavetype
wave_instrument = WaveInstrument(self, wavetype, volume,
reverb_mix, notes)
self.instruments.append(wave_instrument)
elif isinstance(data, DrumInstrumentData):
drum_instrument = DrumInstrument(self, volume, reverb_mix,
notes)
self.instruments.append(drum_instrument)
# Reload mixer to reflect new instruments
self.mixer_setup()
""" Modifiers """
def set_note(self, note):
instrument = self.instruments[note.track_id]
instrument.set_note(note)
def set_global_volume(self, volume):
self.global_volume = volume
self.master_out.setAmp(0, 0, volume)
def set_volume(self, track_id, volume):
self.instruments[track_id].set_volume(volume)
self.track_mixer.setAmp(track_id, 0, volume)
def set_reverb(self, track_id, reverb):
self.instruments[track_id].set_reverb(reverb)
def set_tempo(self, new_tempo):
new_time = self.SECONDS_PER_MIN / new_tempo
self.metronome.setTime(new_time)
self.tempo = new_tempo
"""getter methods"""
def get_session(self):
"""Get descriptive MusicPlayer session to restore later"""
session = Session(self, self.instruments)
return session
"""getter methods for GUI"""
def get_names(self, track_id):
return self.instruments[track_id].get_names()
def get_reverb(self, track_id):
return self.instruments[track_id].get_reverb()
def get_volume(self, track_id):
return self.instruments[track_id].get_volume()
def get_global_volume(self):
return self.global_volume
def get_tempo(self):
return self.tempo
def get_note(self, track_id, page_index, position, pitch):
pass
def get_current_page(self, track_id):
instrument = self.instruments[track_id]
notes = instrument.get_page(self.page_index)
return notes
