laditools/lib/laditools/jack_configure.py

119 lines
4.4 KiB
Python

# pyjackctl - The python jackdbus controller suite
# Copyright (C) 2007-2008, Marc-Olivier Barre and Nedko Arnaudov.
#
# 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 dbus
name_base = 'org.jackaudio'
controller_interface_name = name_base + '.JackConfigure'
service_name = name_base + '.service'
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)
return dbus_value
class jack_configure:
def __init__(self):
self.bus = dbus.SessionBus()
self.controller = self.bus.get_object(service_name, "/org/jackaudio/Controller")
self.iface = dbus.Interface(self.controller, controller_interface_name)
def get_available_driver(self):
return self.iface.GetAvailableDrivers()
def get_selected_driver(self):
return self.iface.GetSelectedDriver()
def select_driver(self, driver):
self.iface.SelectDriver(driver)
def get_driver_param_names(self):
infos = self.iface.GetDriverParametersInfo()
names = []
for info in infos:
names.append(info[1])
return names
def get_driver_short_description(self, param):
type_char, name, short_descr, long_descr = self.iface.GetDriverParameterInfo(param)
return short_descr
def get_driver_long_description(self, param):
type_char, name, short_descr, long_descr = self.iface.GetDriverParameterInfo(param)
return long_descr
def get_driver_param_type(self, param):
type_char, name, short_descr, long_descr = self.iface.GetDriverParameterInfo(param)
return str(type_char)
def get_driver_param_value(self, param):
isset, default, value = self.iface.GetDriverParameterValue(param)
isset = bool(isset)
default = dbus_type_to_python_type(default)
value = dbus_type_to_python_type(value)
return isset, default, value
def set_driver_param_value(self, param, value):
typestr = self.get_driver_param_type(param)
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.iface.SetDriverParameterValue(param, value)
def get_engine_param_names(self):
infos = self.iface.GetEngineParametersInfo()
names = []
for info in infos:
names.append(info[1])
return names
def get_engine_short_description(self, param):
type_char, name, short_descr, long_descr = self.iface.GetEngineParameterInfo(param)
return short_descr
def get_engine_long_description(self, param):
type_char, name, short_descr, long_descr = self.iface.GetEngineParameterInfo(param)
return long_descr
def get_engine_param_type(self, param):
type_char, name, short_descr, long_descr = self.iface.GetEngineParameterInfo(param)
return str(type_char)
def get_engine_param_value(self, param):
isset, default, value = self.iface.GetEngineParameterValue(param)
isset = bool(isset)
default = dbus_type_to_python_type(default)
value = dbus_type_to_python_type(value)
return isset, default, value
def set_engine_param_value(self, param, value):
typestr = self.get_engine_param_type(param)
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.iface.SetEngineParameterValue(param, value)