def act_jack(self):
#jack client for playing
self.jclientp = jack.Client('osc-player' + str(id(self))) #new client necessary for every class member?
self.jclientp.activate();
# jack client for recording
self.jclientr = jack.Client('osc-recorder' + str(id(self))) #new client necessary for every class member?
self.jclientr.activate();
def client_reset(self):
# Jack setup
self.client = jack.Client('JackAudioSink')
self.client.blocksize = self.block_size
self.tmp_buf = np.array([0.0] * self.block_size)
self.tmp_buf_pos = 0
self.is_active = False
# Debug
self.start_time = 0
self.sample_count = 0
self.xrun_count = 0
self.port = self.client.outports.register('audio_out')
# Make sure sample rate works and set multiplier
if not self.allow_fractional_resample:
if self.client.samplerate % self.orig_sample_rate != 0:
raise (ValueError(
"OS sample rate " + str(self.client.samplerate) +
" must be evenly divisible by given sample rate " +
str(self.orig_sample_rate)))
self.sample_multiplier = int(self.client.samplerate /
self.orig_sample_rate)
else:
self.sample_multiplier = float(self.client.samplerate /
self.orig_sample_rate)
self.resampler = samplerate.Resampler('sinc_best', channels=1)
# Callback setup
self.client.set_process_callback(self.process)
self.client.set_xrun_callback(self.xrun)
def list_jack_ports(pattern='',
is_audio=False,
is_midi=False,
is_input=False,
is_output=False,
is_physical=False,
can_monitor=False,
is_terminal=False):
"""list of Port/MidiPort/OwnPort/OwnMidiPort
All ports that satisfy the given conditions."""
try:
client = jack.Client(args.client_name)
except jack.JackError as exc:
return "Could not create JACK client: {}".format(exc)
try:
ports = client.get_ports(pattern, is_audio, is_midi, is_input,
is_output, is_physical, can_monitor,
is_terminal)
port_names = []
for port in ports:
port_names.append(port.name)
json.dump(port_names, sys.stdout, indent=2)
except jack.JackError as exc:
return "Error trying to get port: {}".format(exc)
def loop():
client = jack.Client('beamform')
client.register_port('out_L', jack.IsOutput)
client.register_port('out_R', jack.IsOutput)
client.register_port('in_L', jack.IsInput)
client.register_port('in_R', jack.IsInput)
sample_rate = client.get_sample_rate()
seconds = 1.0 / 8
sample_count = sample_rate / seconds
buffer_size = client.get_buffer_size()
loop = numpy.zeros((2, buffer_size), 'f')
client.activate()
client.connect('system:capture_1', 'beamform:in_L')
client.connect('system:capture_2', 'beamform:in_R')
client.connect('beamform:out_L', 'system:playback_1')
client.connect('beamform:out_R', 'system:playback_2')
try:
while True:
try:
client.process(loop, loop)
except jack.InputSyncError:
print('Input sync.')
except jack.OutputSyncError:
print('Output sync.')
except Exception:
print("hi")
client.deactivate()
client.detach()
def init(etc_object, AOUT_NORNS):
global aout_norns, inp, client, etc, trig_this_time, trig_last_time, sin
aout_norns = AOUT_NORNS
etc = etc_object
if aout_norns:
# set up jack for sound in
client = jack.Client("fates_jack_client", servername="default")
client.inports.register('input_1')
client.inports.register('input_2')
client.blocksize = 512
client.activate()
client.connect('softcut:output_1', 'fates_jack_client:input_1')
client.connect('softcut:output_2', 'fates_jack_client:input_2')
time.sleep(1)
inp = [
client.get_port_by_name('fates_jack_client:input_1'),
client.get_port_by_name('fates_jack_client:input_2')
]
else:
#setup alsa for sound in
inp = alsaaudio.PCM(alsaaudio.PCM_CAPTURE, alsaaudio.PCM_NONBLOCK)
inp.setchannels(2)
inp.setrate(
44100) # Original value of 11025 was giving error.. OR 44100
inp.setformat(alsaaudio.PCM_FORMAT_S16_LE)
inp.setperiodsize(1024) # OR 1024
trig_last_time = time.time()
trig_this_time = time.time()
for i in range(0, 100):
sin[i] = int(math.sin(2 * 3.1459 * i / 100) * 32700)
async def run(self):
self.client = jack.Client(self.clientname, no_start_server=True)
self.blocksize = self.client.blocksize
self.client.set_process_callback(self.make_proccess())
self.client.activate()
outports = []
qs = []
for i, in_set in enumerate(self.ins):
print(in_set)
if in_set:
outport = self.client.outports.register(self.sound_id + "_" +
str(i))
inports = self.client.get_ports(is_input=True, is_audio=True)
for in_no in in_set:
outport.connect(inports[in_no])
outports.append(outport)
qs.append(janus.Queue(maxsize=20))
else:
outports.append(None)
qs.append(None)
self.sound = sound(self.filename,
qs,
outports,
sound_id=self.sound_id,
loops=self.loops,
volume=self.volume,
blocksize=self.blocksize,
dtype='float32',
always_2d=True,
fill_value=0,
fadein=self.fadein,
fadetime=self.fadetime)
async for p in self.sound.run():
pass
print("finished")
def jackConns(pattern='', InOut='all'):
"""
Select ports by name and/or by capture/playback.
Returns the selected ports connectios as string triplets:
[ (A_port, B_port, direction), ... ]
"""
triplets = []
jc = jack.Client('tmp')
if InOut == 'out':
A_ports = jc.get_ports(name_pattern=pattern, is_output=True)
elif InOut == 'in':
A_ports = jc.get_ports(name_pattern=pattern, is_input=True)
else:
A_ports = jc.get_ports(name_pattern=pattern)
for A_port in A_ports:
B_ports = jc.get_all_connections(A_port)
for B_port in B_ports:
if A_port.is_input:
direction = '<'
else:
direction = '>'
triplets.append((A_port.name, B_port.name, direction))
jc.close()
return triplets
def do_change_input(input_name, in_ports, out_ports, resampled=False):
""" 'in_ports': list [L,R] of jack capture ports of chosen source
'out_ports': list of ports in 'audio_ports' variable
depends on use of brutefir/ecasound
"""
monitor_ports = gc.config['jack_monitors']
# switch...
try:
tmp = jack.Client('tmp')
unplug_sources_of(jack_client=tmp, ports=out_ports)
for i in range(len(in_ports)):
# ...audio inputs
try:
tmp.connect(in_ports[i], out_ports[i])
except:
print(f'error connecting {in_ports[i]} <--> {out_ports[i]}')
# ...monitor inputs
try:
if monitor_ports:
for fakepair in monitor_ports:
tmp.connect(in_ports[i], fakepair.split()[i])
except:
print('error connecting monitors')
tmp.close()
except:
# on exception returns False
print(f'error changing to input "{input_name}"')
tmp.close()
return False
return True
def getInfo() -> Optional[JackInfo]:
"""
Get info about a running jack server
Returns:
a JackInfo
"""
# assumes that jack is running
if not JACK_INSTALLED:
return None
try:
c = jack.Client("jacktools.getInfo", no_start_server=True)
except jack.JackOpenError:
return None
inports = c.get_ports(is_audio=True, is_physical=True, is_input=True)
outports = c.get_ports(is_audio=True, is_physical=True, is_output=True)
systemOutput = _buildClients(inports)[0]
systemInput = _buildClients(outports)[0]
onPipewire = linuxaudio.isPipewireRunning()
return JackInfo(running=True,
samplerate=c.samplerate,
blocksize=c.blocksize,
numOutChannelsPhysical=len(inports),
numInChannelsPhysical=len(outports),
systemInput=systemOutput,
systemOutput=systemInput,
onPipewire=onPipewire)
def clear_port(port, client_name="jack_client", **kwarg):
""" Removes all incoming/outgoing connections from/to a port
Arguments:
port: (string) -- Port name to clear.
Raises:
ConnectionError: "If JACK client could not connect."
ValueError: "If no port is found, or the connection was unsuccesfull"
"""
try:
client = jack.Client(client_name)
except jack.JackError as exc:
raise ConnectionError("Could not create JACK client: {}".format(exc))
src_ports_names = port.split(',')
for src_port_name in src_ports_names:
try:
jack_port = client.get_port_by_name(src_port_name)
jack_ports = client.get_all_connections(jack_port)
for cport in jack_ports:
if jack_port.is_output:
connect_ports(
src_port_name, cport.name, client_name, True)
elif jack_port.is_input:
connect_ports(
cport.name, src_port_name, client_name, True)
except jack.JackError as exc2:
raise ValueError("Could not clear port: {}".format(exc2))
def __init__(self):
self.client = jack.Client('LoopTime')
self.samplerate = self.client.samplerate
self.blocksize = self.client.blocksize
self.silence = np.zeros(self.blocksize, dtype=np.float32)
# Audio Ports
self.in_ports = [
self.client.inports.register(f'channel_{i+1}_in') for i in range(8)
]
self.out_ports = [
self.client.outports.register(f'channel_{i+1}_out')
for i in range(8)
]
self.metronome_port = self.client.outports.register('metronome')
# MIDI Ports
self.midi_in_ports = [
self.client.midi_inports.register(f'channel_{i+1}_midi_in')
for i in range(8)
]
self.midi_out_ports = [
self.client.midi_outports.register(f'channel_{i+1}_midi_out')
for i in range(8)
]
self.client.set_process_callback(jack_process_callback)
self.client.set_shutdown_callback(jack_shutdown_callback)
self.connected = True
def __init__(self, pipeline):
super().__init__()
if JackSink._ControlClient is None:
JackSink._ControlClient = jack.Client('LinuxShowPlayer_Control')
self.pipeline = pipeline
self.audio_resample = Gst.ElementFactory.make('audioresample')
self.jack_sink = Gst.ElementFactory.make('jackaudiosink', 'sink')
self._client_id = JackSink.__register_client_id()
self._client_name = JackSink.CLIENT_NAME + '-' + str(self._client_id)
self.jack_sink.set_property('client-name', self._client_name)
self.jack_sink.set_property('connect', JackSink.CONNECT_MODE)
self.pipeline.add(self.audio_resample)
self.pipeline.add(self.jack_sink)
self.audio_resample.link(self.jack_sink)
self.connections = self.default_connections(JackSink._ControlClient)
self.changed('connections').connect(self.__prepare_connections)
bus = self.pipeline.get_bus()
bus.add_signal_watch()
self._handler = bus.connect('message', self.__on_message)
def __init__(self, name='jack_client'):
"""
Args:
name:
"""
super(JackClient, self).__init__()
# TODO: If global client variable is set, just return that one.
self.name = name
#self.pipe = pipe
self.q = mp.Queue()
self.q_lock = mp.Lock()
self.play_evt = mp.Event()
self.stop_evt = mp.Event()
self.quit_evt = mp.Event()
# we make a client that dies now so we can stash the fs and etc.
self.client = jack.Client(self.name)
self.blocksize = self.client.blocksize
self.fs = self.client.samplerate
self.zero_arr = np.zeros((self.blocksize,1),dtype='float32')
# store a reference to us and our values in the module
globals()['SERVER'] = self
globals()['FS'] = copy(self.fs)
globals()['BLOCKSIZE'] = copy(self.blocksize)
globals()['QUEUE'] = self.q
globals()['Q_LOCK'] = self.q_lock
globals()['PLAY'] = self.play_evt
globals()['STOP'] = self.stop_evt
def jack_connect():
""" Within JACK, connect fluidsynth ports to system playback ports (enabling sound from speakers) """
client = jack.Client("MyGreatClient")
# Identify the system and fluidsynth audio ports
sysports = client.get_ports('system*',
is_audio=True,
is_output=False,
is_physical=True)
fluidports = client.get_ports('fluidsynth*', is_audio=True, is_output=True)
if len(sysports) < 2:
raise Exception(
"Found fewer than two system audio playback ports. Should have found one left channel and one right channel."
)
if len(fluidports) < 2:
raise Exception(
"Found fewer than two fluidsynth audio output ports. Should have found one left channel and one right channel."
)
# Connect the fluidsynth ports to the system playback ports
client.connect(fluidports[0], sysports[0]) # connect left port
client.connect(fluidports[1], sysports[1]) # connect right port
client.close()
def _test_multiprocessing():
import jack
client = jack.Client(name="PICKLE_TEST")
print("--- CLIENT CREATED ---\n")
# import dill
#
# print(dill.detect.badtypes(client, depth=1).keys())
# print("--- DILL BADTYPES ---\n")
#
# dill.detect.trace(True)
# print(dill.pickles(client))
# print("--- DILL TRACED ---\n")
import pickle
# This fails since pickling is not possible for `jack.Client`, see `_multiprocessing`
print(pickle.dumps(obj=client, protocol=pickle.HIGHEST_PROTOCOL))
print("--- PICKLE DUMPED ---\n")
client.activate()
client.inports.register(f"input_{1}")
client.outports.register(f"output_{1}")
print("--- CLIENT ACTIVATED ---\n")
# This fails since pickling is not possible for `jack.Port`, see `_multiprocessing`
print(pickle.dumps(obj=client, protocol=pickle.HIGHEST_PROTOCOL))
print("--- PICKLE DUMPED ---\n")
client.deactivate()
client.close()
print("--- CLIENT CLOSED ---\n")
def jack_namespace():
client = jack.Client("MIDI Chord Stacker")
inport = client.midi_inports.register("in")
outport = client.midi_outports.register("out")
NOTEON = 9
NOTEOFF = 8
@client.set_process_callback
def process(frames):
outport.clear_buffer()
for offset, data in inport.incoming_midi_events():
outport.write_midi_event(offset, data) # passthrough
if len(data) == 3: # this is probably a note event
event, pitch, vel = struct.unpack("3B", data)
if event >> 4 in (NOTEON, NOTEOFF): # thanks python!
for int in chords[chord.get()]:
outport.write_midi_event(offset,
(event, pitch + int, vel))
else:
outport.write_midi_event(offset, data)
else:
outport.write_midi_event(offset, data)
client.activate()
input()
def __init__(self, no_start_server=True, name=None):
if name is None:
name = self.__class__.__name__
self.client = jack.Client(name=name, no_start_server=no_start_server)
self.xrun_callback = lambda delay:...
self.shutdown_callback = lambda status, reason:...
if self.client.status.server_started:
logging.info('JACK server was started')
else:
logging.info('JACK server was already running')
if self.client.status.name_not_unique:
logging.info('Unique client name generated {}'.format(
self.client.name))
@self.client.set_xrun_callback
def xrun(delay):
self.xrun_callback(delay)
@self.client.set_shutdown_callback
def shutdown(status, reason):
self.shutdown_callback(status, reason)
self.client.activate()
def start_server(self, ip, po, op):
self.outpath = op
self.port = po
self.ip = ip
if self.timer == 'jack':
self.jack_client = jack.Client('osc-recorder')
self.jack_client.activate()
# client.inports.register('input_1')
if not os.path.exists(self.outpath):
os.makedirs(self.outpath)
self.dispatcher = dispatcher.Dispatcher()
self.dispatcher.map("/*", self.generic_handler)
self.dispatcher.map("/timer", self.external_time_handler)
self.server = osc_server.ThreadingOSCUDPServer((self.ip, self.port),
self.dispatcher)
print("Generic OSC recorder serving on {}".format(
self.server.server_address))
print("Writing files to " + self.outpath)
#self.server.server_activate()
self.server.serve_forever()
def run_pypatcher_voice_count(number_of_voices):
jackClient = jack.Client('TestAutoPatcher')
dry_run = True
jacktrip_clients = [
'..ffff.192.168.0.1',
'..ffff.192.168.0.2',
'..ffff.192.168.0.3',
'..ffff.192.168.0.4',
'..ffff.192.168.0.5',
'..ffff.192.168.0.6',
'..ffff.192.168.0.7',
'..ffff.192.168.0.8',
'..ffff.192.168.0.9',
'..ffff.192.168.0.10',
'..ffff.192.168.0.11',
'..ffff.192.168.0.12',
]
jacktrip_clients = jacktrip_clients[0:number_of_voices]
jacktrip_stereo = jacktrip_clients[0:1]
jacktrip_clients_stereo = list(
map(lambda x: x in jacktrip_stereo, jacktrip_clients))
# TODO: hacky way to use pytest - we know this assertion will fail, but at the moment
# we can just inspect the stdout
assert jacktrip_pypatcher.autopatch(jackClient, dry_run, jacktrip_clients,
jacktrip_clients_stereo) == True
def start(self, params):
"""Start JACK with relavent parameters"""
Popen(self.generate_command(params), stdout=PIPE, stderr=PIPE)
time.sleep(2)
self.jackClient = jack.Client('noisebox', no_start_server=True)
self.jackClient.activate()
def __init__(self):
# jack client
self.client = jack.Client("palette", no_start_server=True)
# interface
entities = [
Entity.KEYBOARD, Entity.SAMPLER, Entity.DRUM_MACHINE, Entity.PUSH
]
self.display = Interface(entities)
# metronome
self.metronome = Metronome(self.display, self.client)
# backend
constructors = [Keyboard, Sampler, DrumMachine, Push]
self.be = Backend(self.client, self.metronome, constructors)
# misc
self.pressed_keys = []
self.fifo = open("palette.pipe", mode="rt")
self.current_inst_number = 0
# let's go
self.client.activate()
self.display.paint_pad(0)
self.metronome.sync_transport()
def __init__(self, client_name='JackMCS', inport_name='input', outport_name='output', verbose=False):
self.verbose = verbose
self.verbosity('Starting JackMCS client as {}...'.format(client_name))
self.client_name = client_name
self.client = jack.Client(client_name)
self.verbosity('Registering ports...')
self.outport_name = outport_name
self.outport = self.client.midi_outports.register(outport_name)
self.inport_name = inport_name
self.inport = self.client.midi_inports.register(inport_name)
self._last_recv = None
self._realtime_recv = None
self._msg = None
self._ch = 0
self.time_code_display = Timecode_Display('', self, self.verbose)
self.verbosity('Activating JackMCS...')
@self.client.set_process_callback
def process(frames):
self.outport.clear_buffer()
a = self.client.frame_time
if self.inport.incoming_midi_events():
self.rx()
if self._msg:
self.tx()
self.verbosity('Successfully started JackMCS.')
def __init__(self, config, section, main_loop):
super().__init__(config, section, main_loop)
target_ports_re = config[section].get("connect", ".*")
if target_ports_re:
self._target_ports_re = re.compile(target_ports_re)
else:
self._target_ports_re = None
start_server = config[section].getboolean("start_server", False)
self._active = 0
self._queue = Queue()
jack.set_error_function(partial(jack_logger.debug, "%s"))
jack.set_info_function(partial(jack_logger.debug, "%s"))
try:
self._client = jack.Client("Badum-tss machine",
no_start_server=not start_server)
except jack.JackError as err:
raise PlayerLoadError("Could not connect to Jack: {}".format(err))
jack.set_error_function(partial(jack_logger.error, "%s"))
jack.set_info_function(partial(jack_logger.info, "%s"))
self._client.set_shutdown_callback(self._shutdown)
self._client.set_port_registration_callback(self._port_registration)
self._client.set_port_rename_callback(self._port_rename)
self._client.set_xrun_callback(self._xrun)
self._client.set_process_callback(self._process)
self._port = None
def __init__(self):
self.client = jack.Client('tape')
if self.client.status.server_started:
logger.info('JACK server was started')
else:
logger.info('JACK server was already running')
if self.client.status.name_not_unique:
logger.warning('Unique client name generated: %s',
self.client.name)
self.client.set_xrun_callback(self.xrun)
self.client.set_process_callback(self.process)
self.blocksize = self.client.blocksize
self.samplerate = self.client.samplerate
self.tracks = []
self.buffer_size = 4 * self.blocksize
self.quiet = '\x00' * self.buffer_size
time_t = 0
self.record = False
self.play = False
self.active_track = 0
self.client.activate()
self.tracks.append(self.create_track(self.client))
def __init__(self, click_high, click_low, audio_files=[], bitrate=16, sample_rate=44100):
self.client = jack.Client("SimpleDAW")
self.blocksize = self.client.blocksize
self.outport = self.client.outports.register("out_0")
self.bpm = 120
self.timesig = 4
self.bitrate = bitrate
self.sample_rate = sample_rate
self.samples_per_beat = 0
self.samples_per_measure = 0
self.measure = 0 # counter
self.beat = 0 # counter
self.click_on = False
self.click_outport = self.client.outports.register("out_click")
self.is_playing = False
self.queue = []
self.clips = {}
self.client.set_process_callback(self._process_callback)
self.client.set_shutdown_callback(self._shutdown_callback)
self.set_samples_per_beat()
self.set_samples_per_measure()
audio_files.append(click_high)
audio_files.append(click_low)
for audio_file in (audio_files):
self.load_audio(audio_file)
def jack_proc(q, cmdQ, STATUS_TYPE):
#Setup Jack
client = jack.Client('anim-midi')
midi_in = client.midi_inports.register('input')
#~ audio_out = client.outports.register('audio')
@client.set_process_callback
def process(frames):
for offset, data in midi_in.incoming_midi_events():
if len(data) == 3:
status, pitch, vel = struct.unpack('3B', data)
#Status meanings are in STATUS_TYPE.
#Pitch is the CC# - the MIDI channel/note value.
try:
if STATUS_TYPE[status] == 'CONTROL':
#~ print("[JACK MIDI]", STATUS_TYPE[status], pitch, vel)
q.put((STATUS_TYPE[status], pitch, vel))
except:
print("Status not mapped!")
with client:
#Blocks until QUIT is passed over cmdQ queue.
while True:
msg = cmdQ.get()
if msg == "IS_ACTIVE": cmdQ
elif msg == "QUIT": break
def _test_client_name_lock():
"""
Test whether arbitrarily many clients with the same name can be instantiated consecutively
(the old client will be terminated before creating the new one).
This should not be a problem or an unusual use case for Jack to handle. However, this test
revealed some problems as documented in https://github.com/jackaudio/jack2/issues/658 and
https://github.com/spatialaudio/jackclient-python/issues/98.
On macOS, creating the 99th instance fails with a jack.JackOpenError when initializing the
client. This occurred neither on Linux nor on Windows based on the same Jack version.
After the failure occurs no clients with that name can be instantiated at all. This persists
even through a restart of Jack. AFAIK only a system restart helps to resolve the lock.
"""
import jack
try:
i = 0
while True:
i += 1
# name = f"Client{i:d}" # runs for arbitrarily many clients
name = f"Client" # fails for the 99th instance
print(f'Test {i:d}: creating "{name}" ...')
client = jack.Client(name=name)
client.activate()
client.deactivate()
client.close()
del client
except KeyboardInterrupt:
print("... interrupted by user.")
def _create_client(self):
self.client = jack.Client(self.name)
[
self.client.inports.register('input_' + str(i))
for i in range(self.num_channels)
]
self.client.set_process_callback(self._process)
def disconnect_inputs():
try:
tmp = jack.Client('tmp')
unplug_sources_of(tmp, audio_ports.split())
tmp.close()
except:
warnings.append('Something went wrong when diconnecting inputs')
def __init__(self):
self.output_rules = []
self.started = False
self.notification_queue = Queue()
self.client = jack.Client("jack-juggler", True)
self.client.set_port_registration_callback(
self.jack_port_registration_callback)
self.client.set_shutdown_callback(self.jack_shutdown_callback)
