127 lines
4.9 KiB
Python
127 lines
4.9 KiB
Python
# LADITools - Linux Audio Desktop Integration Tools
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# Copyright (C) 2007-2010, Marc-Olivier Barre <marco@marcochapeau.org>
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# Copyright (C) 2007-2009, Nedko Arnaudov <nedko@arnaudov.name>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import dbus
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from dbus.mainloop.glib import DBusGMainLoop
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name_base = 'org.jackaudio'
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controller_interface_name = name_base + '.Configure'
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service_name = name_base + '.service'
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def dbus_type_to_python_type (dbus_value):
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if type (dbus_value) == dbus.Boolean:
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return bool(dbus_value)
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if type (dbus_value) == dbus.Int32 or type (dbus_value) == dbus.UInt32:
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return int(dbus_value)
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if type (dbus_value) == dbus.String:
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return str(dbus_value)
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if type (dbus_value) == dbus.Byte:
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return str (dbus_value)
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return dbus_value
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class jack_configure:
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def __init__ (self):
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# Connect to the bus
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self.bus = dbus.SessionBus ()
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self.controller = self.bus.get_object (service_name, "/org/jackaudio/Controller")
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self.iface = dbus.Interface (self.controller, controller_interface_name)
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# self.bus.add_signal_receiver (self.name_owner_changed, dbus_interface = controller_interface_name, signal_name = "NameOwnerChanged")
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def name_owner_changed (name = None, old_owner = None, new_owner = None):
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print("Name changed : %r" % name)
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def get_selected_driver (self):
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isset, default, value = self.iface.GetParameterValue (['engine', 'driver'])
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return value
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def read_container (self, path):
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is_leaf, children = self.iface.ReadContainer (path)
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if is_leaf:
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return []
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return children
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def get_param_names (self, path):
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is_leaf, children = self.iface.ReadContainer (path)
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if not is_leaf:
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return []
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return children
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def get_param_short_description (self, path):
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type_char, name, short_descr, long_descr = self.iface.GetParameterInfo (path)
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return short_descr
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def get_param_long_description (self, path):
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type_char, name, short_descr, long_descr = self.iface.GetParameterInfo (path)
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return long_descr
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def get_param_type (self, path):
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type_char, name, short_descr, long_descr = self.iface.GetParameterInfo (path)
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return str (type_char)
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def get_param_value (self, path):
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isset, default, value = self.iface.GetParameterValue (path)
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isset = bool (isset)
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default = dbus_type_to_python_type (default)
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value = dbus_type_to_python_type (value)
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return isset, default, value
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def set_param_value (self, path, value):
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typestr = self.get_param_type (path)
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if typestr == "b":
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value = dbus.Boolean (value)
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elif typestr == "y":
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value = dbus.Byte (value)
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elif typestr == "i":
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value = dbus.Int32 (value)
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elif typestr == "u":
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value = dbus.UInt32 (value)
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self.iface.SetParameterValue (path, value)
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def reset_param_value (self, path):
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self.iface.ResetParameterValue (path)
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def param_has_range (self, path):
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is_range, is_strict, is_fake_value, values = self.iface.GetParameterConstraint (path)
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return bool (is_range)
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def param_get_range (self, path):
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is_range, is_strict, is_fake_value, values = self.iface.GetParameterConstraint (path)
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if not is_range or len (values) != 2:
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return -1, -1
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return dbus_type_to_python_type (values[0][0]), dbus_type_to_python_type (values[1][0])
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def param_has_enum (self, path):
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is_range, is_strict, is_fake_value, values = self.iface.GetParameterConstraint (path)
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return not is_range and len (values) != 0
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def param_is_strict_enum (self, path):
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is_range, is_strict, is_fake_value, values = self.iface.GetParameterConstraint (path)
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return is_strict
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def param_is_fake_value (self, path):
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is_range, is_strict, is_fake_value, values = self.iface.GetParameterConstraint (path)
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return is_fake_value
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def param_get_enum_values (self, path):
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is_range, is_strict, is_fake_value, dbus_values = self.iface.GetParameterConstraint (path)
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values = []
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if not is_range and len (dbus_values) != 0:
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for dbus_value in dbus_values:
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values.append ([dbus_type_to_python_type (dbus_value[0]), dbus_type_to_python_type (dbus_value[1])])
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return values
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