/usr/share/pyshared/laditools/jack.py is in python-laditools 1.0.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 | #!/usr/bin/python
# LADITools - Linux Audio Desktop Integration Tools
# Copyright (C) 2011-2012 Alessio Treglia <quadrispro@ubuntu.com>
# Copyright (C) 2007-2010, Marc-Olivier Barre <marco@marcochapeau.org>
# Copyright (C) 2007-2009, Nedko Arnaudov <nedko@arnaudov.name>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
import dbus
from .controller import LadiController
name_base = 'org.jackaudio'
ctrl_iface_name = name_base + '.JackControl'
conf_iface_name = name_base + '.Configure'
service_name = name_base + '.service'
obj_path = '/org/jackaudio/Controller'
def _dbus_type_to_python_type (dbus_value):
if type (dbus_value) == dbus.Boolean:
return bool(dbus_value)
if type (dbus_value) == dbus.Int32 or type (dbus_value) == dbus.UInt32:
return int(dbus_value)
if type (dbus_value) == dbus.String:
return str(dbus_value)
if type (dbus_value) == dbus.Byte:
return str (dbus_value)
return dbus_value
class JackController(LadiController):
"""Wrapper for controlling and monitoring JACK.
This class provides an (almost) complete control on configured JACK servers.
"""
def __init__ (self):
LadiController.__init__(self,
dbus_type='SessionBus',
service_name=service_name,
obj_path=obj_path,
iface_name=ctrl_iface_name)
def is_started (self):
return self.controller_iface.IsStarted ()
def name_owner_changed (name = None, old_owner = None, new_owner = None):
sys.stderr.write("Name changed : %r\n" % name)
sys.stderr.flush()
def is_realtime (self):
return self.controller_iface.IsRealtime ()
def get_load (self):
return self.controller_iface.GetLoad ()
def get_xruns (self):
return self.controller_iface.GetXruns ()
def get_sample_rate (self):
return self.controller_iface.GetSampleRate ()
def get_latency (self):
return self.controller_iface.GetLatency ()
def reset_xruns (self):
return self.controller_iface.ResetXruns ()
def start (self):
self.controller_iface.StartServer ()
def stop (self):
self.controller_iface.StopServer ()
def kill (self):
self.controller_iface.Exit ()
class JackConfigParameter(object):
"""Wrapper for JACK's parameters.
This class provides an (almost) complete control to JACK's configuration parameters.
"""
def __init__(self, jack, path):
self._jack = jack
self.path = path
self.name = path[-1:]
def get_name(self):
return self.name
def get_type(self):
return self._jack.get_param_type(self.path)
def get_value(self):
return self._jack.get_param_value(self.path)
def set_value(self, value):
self._jack.set_param_value(self.path, value)
def reset_value(self):
self._jack.reset_param_value(self.path)
def get_short_description(self):
return self._jack.get_param_short_description(self.path)
def get_long_description(self):
descr = self._jack.get_param_long_description(self.path)
if not descr:
descr = self.get_short_description()
return descr
def has_range(self):
return self._jack.param_has_range(self.path)
def get_range(self):
return self._jack.param_get_range(self.path)
def has_enum(self):
return self._jack.param_has_enum(self.path)
def is_strict_enum(self):
return self._jack.param_is_strict_enum(self.path)
def is_fake_values_enum(self):
return self._jack.param_is_fake_value(self.path)
def get_enum_values(self):
return self._jack.param_get_enum_values(self.path)
class JackConfigProxy(LadiController):
"""Wrapper for JACK's configuration.
This controller provides access to the JACK's whole configuration.
"""
def __init__ (self):
LadiController.__init__(self,
dbus_type='SessionBus',
service_name=service_name,
obj_path=obj_path,
iface_name=conf_iface_name)
def name_owner_changed (name = None, old_owner = None, new_owner = None):
print "Name changed : %r" % name
def get_selected_driver (self):
isset, default, value = self.controller_iface.GetParameterValue (['engine', 'driver'])
return value
def read_container (self, path):
is_leaf, children = self.controller_iface.ReadContainer (path)
if is_leaf:
return []
return children
def get_param_names (self, path):
is_leaf, children = self.controller_iface.ReadContainer (path)
if not is_leaf:
return []
return children
def get_param_short_description (self, path):
type_char, name, short_descr, long_descr = self.controller_iface.GetParameterInfo (path)
return short_descr
def get_param_long_description (self, path):
type_char, name, short_descr, long_descr = self.controller_iface.GetParameterInfo (path)
return long_descr
def get_param_type (self, path):
type_char, name, short_descr, long_descr = self.controller_iface.GetParameterInfo (path)
return str (type_char)
def get_param_value (self, path):
isset, default, value = self.controller_iface.GetParameterValue (path)
isset = bool (isset)
default = _dbus_type_to_python_type (default)
value = _dbus_type_to_python_type (value)
return isset, default, value
def set_param_value (self, path, value):
typestr = self.get_param_type (path)
if typestr == "b":
value = dbus.Boolean (value)
elif typestr == "y":
value = dbus.Byte (value)
elif typestr == "i":
value = dbus.Int32 (value)
elif typestr == "u":
value = dbus.UInt32 (value)
self.controller_iface.SetParameterValue (path, value)
def reset_param_value (self, path):
self.controller_iface.ResetParameterValue (path)
def param_has_range (self, path):
is_range, is_strict, is_fake_value, values = self.controller_iface.GetParameterConstraint (path)
return bool (is_range)
def param_get_range (self, path):
is_range, is_strict, is_fake_value, values = self.controller_iface.GetParameterConstraint (path)
if not is_range or len (values) != 2:
return -1, -1
return _dbus_type_to_python_type (values[0][0]), _dbus_type_to_python_type (values[1][0])
def param_has_enum (self, path):
is_range, is_strict, is_fake_value, values = self.controller_iface.GetParameterConstraint (path)
return not is_range and len (values) != 0
def param_is_strict_enum (self, path):
is_range, is_strict, is_fake_value, values = self.controller_iface.GetParameterConstraint (path)
return is_strict
def param_is_fake_value (self, path):
is_range, is_strict, is_fake_value, values = self.controller_iface.GetParameterConstraint (path)
return is_fake_value
def param_get_enum_values (self, path):
is_range, is_strict, is_fake_value, dbus_values = self.controller_iface.GetParameterConstraint (path)
values = []
if not is_range and len (dbus_values) != 0:
for dbus_value in dbus_values:
values.append ([_dbus_type_to_python_type (dbus_value[0]), _dbus_type_to_python_type (dbus_value[1])])
return values
|