def loop():
'''Main loop function, calls processing sub-functions.'''
global _jackRunning
# compute the current tick
interval = 60.0 / tempo / 2 # call the loop twice per beat (for blinking)
transportTime = float(
jack.get_current_transport_frame()) / jack.get_sample_rate()
tickCount = math.floor(transportTime / interval)
if tickCount > 0 and not _jackRunning:
print 'jack is up and running... starting monome sequencer'
_jackRunning = True
if jack.get_transport_state() != jack.TransportRolling:
# jack is stopped... stop processing here, as well
if tickCount == 0 and _jackRunning:
print 'jack transport has been stopped... waiting for jack to be restarted'
_jackRunning = False
mon.led_all(0)
for i, itrack in tracks.iteritems():
itrack.clear()
Timer(0.1, loop).start()
return
# processing
readEvents(tickCount)
beat(tickCount)
# see when the loop needs to be called the next time
transportTime = float(
jack.get_current_transport_frame()) / jack.get_sample_rate()
waitTime = (tickCount + 1) * interval - transportTime
Timer(waitTime, loop).start()
def loop():
"""Main loop function, calls processing sub-functions."""
global _jackRunning
# compute the current tick
interval = 60.0 / tempo / 2 # call the loop twice per beat (for blinking)
transportTime = float(jack.get_current_transport_frame()) / jack.get_sample_rate()
tickCount = math.floor(transportTime / interval)
if tickCount > 0 and not _jackRunning:
print "jack is up and running... starting monome sequencer"
_jackRunning = True
if jack.get_transport_state() != jack.TransportRolling:
# jack is stopped... stop processing here, as well
if tickCount == 0 and _jackRunning:
print "jack transport has been stopped... waiting for jack to be restarted"
_jackRunning = False
mon.led_all(0)
for i, itrack in tracks.iteritems():
itrack.clear()
Timer(0.1, loop).start()
return
# processing
readEvents(tickCount)
beat(tickCount)
# see when the loop needs to be called the next time
transportTime = float(jack.get_current_transport_frame()) / jack.get_sample_rate()
waitTime = (tickCount + 1) * interval - transportTime
Timer(waitTime, loop).start()
def refreshUi(self):
state = jack.get_transport_state()
frame = jack.get_current_transport_frame()
rate = jack.get_sample_rate()
# Jack State
if (state == 0):
self.l_state.setText("Stopped")
self.b_play.setChecked(False)
elif (state == 1):
self.l_state.setText("Rolling")
self.b_play.setChecked(True)
elif (state == 3):
self.l_state.setText("Starting")
else:
self.l_state.setText("Unknown (%i)" % state)
# Current Time
time = frame / rate
secs = time % 60
mins = (time / 60) % 60
hrs = (time / 3600) % 60
secH = minH = hrsH = ""
if secs < 10: secH = "0"
if mins < 10: minH = "0"
if hrs < 10: hrsH = "0"
self.l_time.setText(hrsH + str(hrs) + ":" + minH + str(mins) + ":" +
secH + str(secs))
# Current Frame
self.l_frame.setText(str(frame))
def TestPyJack(self):
CHANNELS=len(self.jaoutlist.curselection())
self.fs = float(jack.get_sample_rate())
print(self.jaoutlist.curselection())
for i in range(0,len(self.jaoutlist.curselection())):
print(self.jaoutlist.get(self.jaoutlist.curselection()[i]))
jack.activate()
for i in range(0,len(self.jaoutlist.curselection())):
jack.register_port('output_'+str(i), jack.IsOutput)
jack.connect('measure:output_'+str(i), self.jaoutlist.get(self.jaoutlist.curselection()[i]))
# Dummy Input
jack.register_port('dummy_input', jack.IsInput)
print(jack.get_ports())
N = jack.get_buffer_size()
input = np.zeros((1,len(self.signal)),'f')
output = np.array(np.tile(self.signal,(CHANNELS,1)),'f')
x = 0
while x < output.shape[1] - N:
try:
jack.process(output[:,x:x+N], input[:,x:x+N])
x += N
except jack.InputSyncError:
pass
except jack.OutputSyncError:
pass
for i in range(0,len(self.jaoutlist.curselection())):
jack.unregister_port('output_'+str(i))
jack.unregister_port('dummy_input')
jack.deactivate()
def refreshUi(self):
state = jack.get_transport_state()
frame = jack.get_current_transport_frame()
rate = jack.get_sample_rate()
# Jack State
if (state == 0):
self.l_state.setText("Stopped")
self.b_play.setChecked(False)
elif (state == 1):
self.l_state.setText("Rolling")
self.b_play.setChecked(True)
elif (state == 3): self.l_state.setText("Starting")
else: self.l_state.setText("Unknown (%i)" % state)
# Current Time
time = frame / rate
secs = time % 60
mins = (time / 60) % 60
hrs = (time / 3600) % 60
secH = minH = hrsH = ""
if secs < 10: secH = "0"
if mins < 10: minH = "0"
if hrs < 10: hrsH = "0"
self.l_time.setText(hrsH+str(hrs)+":"+minH+str(mins)+":"+secH+str(secs))
# Current Frame
self.l_frame.setText(str(frame))
def __init__(self):
jack.attach("stream_grapher")
jack.register_port("in_1", jack.IsInput)
jack.register_port("in_2", jack.IsInput)
jack.register_port("out_1", jack.IsOutput)
jack.register_port("out_2", jack.IsOutput)
jack.activate()
try:
jack.connect("system:capture_1", "stream_grapher:in_1")
jack.connect("system:capture_2", "stream_grapher:in_2")
jack.connect("stream_grapher:out_1", "system:playback_1")
jack.connect("stream_grapher:out_2", "system:playback_2")
except jack.UsageError:
pass
buff_size = jack.get_buffer_size()
if buff_size < 1024:
print >> sys.stderr, "Jack buffer size is %d. If you have sync problems try a buff size >= 1024." % (buff_size, )
self.buff_size = jack.get_buffer_size()
sample_rate = jack.get_sample_rate()
Backend.__init__(self, ports=2, sample_rate=sample_rate)
self.capture = numpy.zeros((2, self.buff_size), 'f')
self.output = numpy.zeros((2, self.buff_size), 'f')
self.counter = [0]
self.last_counter = 0
# Time to sleep between calls to jack.process
# R should be at least 1.0
# To never get InputSyncErrors R should be like 2.0 or higher
R = 1.2
self.sleep = self.buff_size / float(self.sample_rate) / R
def __init__(self, url):
log.info("Opening JACK input")
jack.attach("Noter Virtual Keyboard")
self.rate = jack.get_sample_rate()
jack.activate()
jack.register_port("Input 1", jack.IsInput)
jack.register_port("Input 2", jack.IsInput)
jack.connect("system:capture_1", "Noter Virtual Keyboard:Input 1")
jack.connect("system:capture_2", "Noter Virtual Keyboard:Input 2")
self.buffer_size = jack.get_buffer_size()
self.input = numpy.zeros((2, self.buffer_size), 'f')
self.output = numpy.zeros((2, self.buffer_size), 'f')
def MesPyJack(self):
OCHANNELS=len(self.jaoutlist.curselection())
ICHANNELS=len(self.jainplist.curselection())
print(self.jainplist.curselection())
self.fs = float(jack.get_sample_rate())
jack.activate()
# Register and Connect Output Ports
for i in range(0,OCHANNELS):
jack.register_port('output_'+str(i), jack.IsOutput)
jack.connect('measure:output_'+str(i), self.jaoutlist.get(self.jaoutlist.curselection()[i]))
# Register and Connect Input Ports
for i in range(0,ICHANNELS):
jack.register_port('input_'+str(i), jack.IsInput)
jack.connect(self.jainplist.get(self.jainplist.curselection()[i]), 'measure:input_'+str(i))
N = jack.get_buffer_size()
input = np.zeros((ICHANNELS,len(self.signal)),'f')
output = np.array(np.tile(self.signal,(OCHANNELS,1)),'f')
x = 0
while x < output.shape[1] - N:
try:
jack.process(output[:,x:x+N], input[:,x:x+N])
x += N
except jack.InputSyncError:
pass
except jack.OutputSyncError:
pass
for i in range(0,OCHANNELS):
jack.unregister_port('output_'+str(i))
for i in range(0,ICHANNELS):
jack.unregister_port('input_'+str(i))
jack.deactivate()
if self.rawcheck.get():
#rawfile=self.get#self.filepath.get()+os.sep+self.prefix.get()+'_RAW_'+self.counter.get()+'_AVG_'+str(int(self.siavg.get())-self.cursiavg)+'.wav'
rawfile=self.getRawFilename(int(int(self.siavg.get())-self.cursiavg))#self.filepath.get()+os.sep+self.prefix.get()+'_RAW_'+self.counter.get()+'_AVG_'+str(int(self.siavg)-self.cursiavg)+'.wav'
toSave = np.array(input.transpose(),dtype=('float32'))
scipy.io.wavfile.write(rawfile,int(self.fs), toSave)
print(rawfile+' saved')
self.cursiavg-=1
#if self.impcheck.get():
self.raw.append(input)
print('PyJack: append to raw')
if (self.cursiavg==0) and (self.impcheck.get()):
self.generateIR()
def getFrames():
global ret_blender_curr
global ret_blender_next
global ret_jack_current
currblenframe = Get("curframe")
currjackframe = jack.get_current_transport_frame()
rate = jack.get_sample_rate()
fps = Scene.GetCurrent().getRenderingContext().fps
fpsBase = Scene.GetCurrent().getRenderingContext().fpsBase
factor = int(rate / (fps / fpsBase))
ret_blender_curr = currblenframe * factor
ret_blender_next = currjackframe / factor
ret_jack_current = currjackframe
def __init__(self, nscopes, subsamp_factor, length, zoom):
self.scopes = range(nscopes)
jack.attach("jscope")
print(jack.get_ports())
for i in self.scopes:
jack.register_port("in_%d" % (i), jack.IsInput)
jack.activate()
print jack.get_ports()
#jack.connect(jack.get_ports()[-2], "jscope:in_1")
# CONSTANTS
self.N = jack.get_buffer_size()
self.Sr = float(jack.get_sample_rate())
self.plotlength = length # plot length in seconds
self.abscissa = -np.arange(self.Sr * self.plotlength) / self.Sr
self.input_slice = np.zeros((nscopes, self.N), dtype='f')
self.output_slice = self.input_slice.copy()
self.fig = Figure()
self.subsamp_factor = subsamp_factor
self.ax = []
self.plot_data = []
self.l_plot_data = []
self.input_ring = []
self.output_ring = []
for i in self.scopes:
self.ax.append(self.fig.add_subplot(nscopes, 1, i + 1))
self.ax[i].set_ylim(-zoom, zoom)
self.plot_data.append([])
foo, = self.ax[i].plot([], self.plot_data[i])
self.l_plot_data.append(foo)
self.input_ring.append(RingBuffer(self.abscissa.size))
self.output_ring.append(RingBuffer(self.abscissa.size))
self.ax[i].set_xlim(self.abscissa[0], self.abscissa[-1])
self.ax[i].grid()
FigureCanvas.__init__(self, self.fig)
self.fig.canvas.draw()
self.timerEvent(None)
self.timer = self.startTimer(0)
def __init__(self, nscopes, subsamp_factor, length, zoom):
self.scopes = range(nscopes)
jack.attach("jscope")
print(jack.get_ports())
for i in self.scopes:
jack.register_port("in_%d" %(i), jack.IsInput)
jack.activate()
print jack.get_ports()
#jack.connect(jack.get_ports()[-2], "jscope:in_1")
# CONSTANTS
self.N = jack.get_buffer_size()
self.Sr = float(jack.get_sample_rate())
self.plotlength = length # plot length in seconds
self.abscissa = -np.arange(self.Sr*self.plotlength) / self.Sr
self.input_slice = np.zeros((nscopes, self.N), dtype='f')
self.output_slice = self.input_slice.copy()
self.fig = Figure()
self.subsamp_factor = subsamp_factor
self.ax = []
self.plot_data = []
self.l_plot_data = []
self.input_ring = []
self.output_ring = []
for i in self.scopes:
self.ax.append(self.fig.add_subplot(nscopes, 1, i+1))
self.ax[i].set_ylim(-zoom, zoom)
self.plot_data.append([])
foo, = self.ax[i].plot([], self.plot_data[i])
self.l_plot_data.append(foo)
self.input_ring.append(RingBuffer(self.abscissa.size))
self.output_ring.append(RingBuffer(self.abscissa.size))
self.ax[i].set_xlim(self.abscissa[0], self.abscissa[-1])
self.ax[i].grid()
FigureCanvas.__init__(self, self.fig)
self.fig.canvas.draw()
self.timerEvent(None)
self.timer = self.startTimer(0)
def start(self):
import jack
jack.attach("NoteRecogniser Recorder")
jack.register_port("in_1", jack.IsInput)
jack.activate()
try:
jack.connect("system:capture_1", "NoteRecogniser Recorder:in_1")
jack.connect("system:capture_2", "NoteRecogniser Recorder:in_1")
except err:
print("Unable to connect to system:capture")
buffer_size = jack.get_buffer_size()
sample_rate = float(jack.get_sample_rate())
print "Buffer Size:", buffer_size, "Sample Rate:", sample_rate
output = scipy.zeros((1, buffer_size), 'f')
while True:
try:
input = scipy.zeros((1, buffer_size), 'f')
jack.process(output, input)
#print len(input)
fft = numpy.fft.rfft(input[0])
fft = map(
lambda c: math.sqrt(c.real * c.real + c.imag * c.imag),
fft)
#print(len(fft))
dominant = reduce(lambda y, x: x if x[1] > y[1] else y,
zip(range(len(fft)), fft), [0, 0])
print dominant
except jack.InputSyncError:
print "Input Sync Error"
pass
except jack.OutputSyncError:
print "Output Sync Error"
pass
def __init__(self, output='jack', numChannels = 2):
self.numChannels = numChannels
self.output = output
if output == 'jack':
# use pyjack
import jack
try:
jack.get_client_name()
except jack.NotConnectedError:
jack.attach('remix')
# not registering an input port makes the output sync
# consistently break after processing 2 buffers
# - bug in pyjack?
jack.register_port("in_1", jack.IsInput)
for i in range(0, self.numChannels):
jack.register_port("out_" + str(i+1), jack.IsOutput)
jack.activate()
for i in range(0, self.numChannels):
jack.connect("remix:out_" + str(i+1), "alsa_pcm:playback_" + str(i+1))
self.n = jack.get_buffer_size()
self.jackSampleRate = float(jack.get_sample_rate())
# loosing a buffer, here, see below
self._reset_jack()
def start(self):
import jack
jack.attach("NoteRecogniser Recorder")
jack.register_port("in_1", jack.IsInput)
jack.activate()
try:
jack.connect("system:capture_1", "NoteRecogniser Recorder:in_1")
jack.connect("system:capture_2", "NoteRecogniser Recorder:in_1")
except err:
print ("Unable to connect to system:capture")
buffer_size = jack.get_buffer_size()
sample_rate = float(jack.get_sample_rate())
print "Buffer Size:", buffer_size, "Sample Rate:", sample_rate
output = scipy.zeros((1,buffer_size), 'f')
while True:
try:
input = scipy.zeros((1,buffer_size), 'f')
jack.process(output, input)
#print len(input)
fft = numpy.fft.rfft(input[0])
fft = map(lambda c : math.sqrt(c.real*c.real + c.imag*c.imag), fft)
#print(len(fft))
dominant = reduce(lambda y,x: x if x[1] > y[1] else y, zip(range(len(fft)), fft), [0,0])
print dominant
except jack.InputSyncError:
print "Input Sync Error"
pass
except jack.OutputSyncError:
print "Output Sync Error"
pass
def print_time():
print("current time: %f s" %
(float(jack.get_current_transport_frame()) / jack.get_sample_rate()))
#testing position set/get
from time import sleep
jack.attach("/var/run/jack")
print("getting current time")
print_time()
print("going to frame 0")
jack.transport_locate(0)
sleep(0.2)
print("getting current time")
print_time()
sleep(0.2)
print("going to 6 sec")
jack.transport_locate(jack.get_sample_rate() * 6)
sleep(0.2)
print("getting current time")
print_time()
#testing state set/get
def print_state():
state = jack.get_transport_state()
statename = {
jack.TransportStopped: "stopped",
jack.TransportRolling: "rolling",
jack.TransportStarting: "starting"
}[state]
print("current state is %i (%s)" % (state, statename))
def GetSamplingRate(self):
"""
Returns the sampling rate of the jack server.
@retval : the sampling rate in floating point format
"""
return jack.get_sample_rate()
def print_time ():
time = float(jack.get_current_transport_frame()) / jack.get_sample_rate()
print "current time: %f s" % time
#testing position set/get
from time import sleep
jack.attach("transporter.py")
print ("getting current time")
print_time()
print ("going to frame 0")
jack.transport_locate(0)
sleep (2)
print ("getting current time")
print_time()
sleep (0.5)
print ("going to 6 sec")
jack.transport_locate(jack.get_sample_rate()*6)
sleep (2)
print ("getting current time")
print_time()
print ("TransportStopped: %i" % jack.TransportStopped)
print ("TransportRolling: %i" % jack.TransportRolling)
print ("TransportStarting: %i" % jack.TransportStarting)
print_state()
print ("playing")
jack.transport_start()
sleep(5)
print ("stopping")
jack.transport_stop()
def print_time ():
print ("current time: %f s" % (
float(jack.get_current_transport_frame())/jack.get_sample_rate()
)
)
def get_time():
return float(jack.get_current_transport_frame()) / jack.get_sample_rate()
def print_time():
time = float(jack.get_current_transport_frame()) / jack.get_sample_rate()
print "current time: %f s" % time
ledtuples = []
for led in leds:
led = led.split(":", 1)
if len(led) >= 2:
client = clients[int(led.pop(0)) - 1]
ledtuples.append((client, int(led[0])))
client = ledp.MultiClient(ledtuples)
leds = range(len(ledtuples))
# Setup JACK interface
jack.attach(arguments["--name"])
jack.register_port("input",
jack.IsInput | jack.IsTerminal | jack.IsPhysical)
buffer_size = jack.get_buffer_size()
sample_rate = jack.get_sample_rate()
def buffer_size_callback():
raise Exception("buffer size changed and I can't take that")
exit(2)
#jack.set_buffer_size_callback(buffer_size_callback) #FIXME
def sample_rate_callback():
raise Exception("sample rate changed and I can't take that")
exit(2)
#jack.set_sample_rate_callback(sample_rate_callback) #FIXME
jack_input = np.zeros((1, buffer_size), 'f')
jack_output = np.zeros((0, buffer_size), 'f')
output_buffer = range(buffer_size)
#
# Copyright 2003, Andrew W. Schmeder
# This source code is released under the terms of the GNU Public License.
# See LICENSE for the full text of these terms.
import numpy
import jack
jack.attach("testtone")
jack.register_port("in_1", jack.IsInput)
jack.register_port("out_1", jack.IsOutput)
jack.activate()
jack.connect("testtone:out_1", "alsa_pcm:playback_1")
N = jack.get_buffer_size()
Sr = float(jack.get_sample_rate())
print "Buffer Size:", N, "Sample Rate:", Sr
sec = 3.0
input = numpy.zeros((1,N), 'f')
output = numpy.reshape(
numpy.sin(
2*numpy.pi*440.0 * (numpy.arange(0, sec, 1.0/(Sr), 'f')[0:int(Sr*sec)])
), (1, Sr*sec)).astype('f')
i = 0
while i < output.shape[1] - N:
try:
jack.process(output[:,i:i+N], input)
i += N
except jack.InputSyncError:
elif hue < 4 / 6.0:
r, g, b = 0, 1 - scaler, 1
elif hue < 5 / 6.0:
r, g, b = scaler, 0, 1
else:
r, g, b = 1, 0, 1 - scaler
return r, g, b
jack.attach("colours")
jack.register_port("in", jack.IsInput)
jack.activate()
jack.connect("system:capture_1", "colours:in")
buff = jack.get_buffer_size()
rate = jack.get_sample_rate()
freqs = np.fft.fftfreq(buff, 1.0 / rate)[: buff / 2]
hues = array([(log2(F) - log2(440)) % 1 for F in freqs])
hue_order = array(sorted(enumerate(hues[1:], 1), key=lambda f: f[1]), "i").T[0]
freq_rgb = array([hue_to_rgb(h) for h in hues])
capture = np.zeros((1, buff), "f")
dummy = np.zeros((0, 0), "f")
pygame.init()
size = (1024, 32)
window = pygame.display.set_mode(size)
ffact = size[0] / float(len(freqs))
