def check_if_jack_subclient_running(self):
self.attach_to_jack() # this is probably not the best spot for this...
myname = jack.get_client_name()
ports = jack.get_ports()
res = [re.search(self.pcm, p) for p in ports]
return any(res)
def __init__(self, client, name, number):
self.client = client
self.name = name
self.number = number
self.port = "%s:%s%d" %(self.client, self.name, self.number)
self.monitor_port = "monitor_%s_%s%d" % (self.client, self.name, self.number)
jack.register_port(self.monitor_port, jack.IsInput)
jack.connect(self.port, "%s:%s" % (jack.get_client_name(), self.monitor_port))
def open(self):
self.client = jack.attach('PythonClient')
myname = jack.get_client_name()
jack.register_port("in_1", jack.IsInput)
jack.register_port("in_2", jack.IsInput)
jack.register_port("out", jack.IsOutput)
self.client.activate()
print "Jack ports (before):", jack.get_ports()
jack.connect("system:capture_1", myname+":in_1")
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 __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()
#!/usr/bin/python
# Capture 3 seconds of stereo audio from alsa_pcm:capture_1/2; then play it back.
#
# 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
import time
jack.attach("captest")
myname = jack.get_client_name()
print "Client:", myname
print jack.get_ports()
jack.register_port("in_1", jack.IsInput)
jack.register_port("in_2", jack.IsInput)
jack.activate()
print jack.get_ports()
jack.connect("system:capture_1", myname+":in_1")
jack.connect("system:capture_2", myname+":in_2")
print jack.get_connections(myname+":in_1")
N = jack.get_buffer_size()
Sr = float(jack.get_sample_rate())
#!/usr/bin/python
# Capture 3 seconds of stereo audio from alsa_pcm:capture_1/2; then play it back.
#
# 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
import time
jack.attach("captest")
myname = jack.get_client_name()
print "Client:", myname
print jack.get_ports()
jack.register_port("in_1", jack.IsInput)
jack.register_port("in_2", jack.IsInput)
jack.activate()
print jack.get_ports()
jack.connect("system:capture_1", myname + ":in_1")
jack.connect("system:capture_2", myname + ":in_2")
print jack.get_connections(myname + ":in_1")
N = jack.get_buffer_size()
Sr = float(jack.get_sample_rate())
