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 __init__(self, playbackchannels=1, recordchannels=1):
"""
@param playbackchannels: the number of channels for playback (can not be changed later)
@param recordchannels: the number of channels for recording (can not be changed later)
"""
self.__deleted = True
# set up jack
self.__prefix = "SuMPF"
self.__inputs = []
self.__outputs = []
jack.attach(self.__prefix)
self.__deleted = False
for i in range(recordchannels):
portname = "in_" + str(i + 1)
self.__inputs.append(self.__prefix + ":" + portname)
jack.register_port(portname, jack.IsInput)
for i in range(playbackchannels):
portname = "out_" + str(i + 1)
self.__outputs.append(self.__prefix + ":" + portname)
jack.register_port(portname, jack.IsOutput)
jack.activate()
# other stuff
BaseIO.__init__(self, playbackchannels, recordchannels)
# self.__periods = self.__GetNumberOfPeriods()
self.__periods = 2
self.__buffer_size = 0 # This will be set when the interaction with the sound card starts
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 run(self):
self.ALSA()
self.GST()
jack.attach(self.exe.handler.server.name)
jack.activate()
self.Jack()
self.Play()
self.cleanup()
return self.statuses
def connect(self):
try :
jack.attach("sooperlooper")
jack.activate()
jack.connect("sooperlooper:common_out_1", "alsa_pcm:playback_1")
jack.connect("sooperlooper:common_out_2", "alsa_pcm:playback_2")
except :
print("Run jack and sooperlooper")
sys.exit(1)
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 establish_connection(pcm, channel):
myname = jack.get_client_name()
capture_name = pcm + ":capture_" + channel
port_name = "in_" + channel
connection_name = myname + ":" + port_name
print capture_name, port_name, connection_name
print "Jack ports (before):", jack.get_ports()
jack.register_port(port_name, jack.IsInput)
jack.activate()
print "Jack ports (after):", jack.get_ports()
jack.connect(capture_name, connection_name)
print jack.get_connections(connection_name)
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 __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
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Plays a 440.0 Hz test tone for 3 seconds to alsa_pcm:playback_1.
#
# 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:
def __init__(self, manager, **kwargs):
super(Speaker, self).__init__(**kwargs)
self._manager = manager
jack.attach("sooperlooper")
jack.activate()
