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#!/usr/bin/python |
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# |
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# Copyright (C) 2005-2008 by Pieter Palmers |
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# 2007-2008 by Arnold Krille |
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# |
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# This file is part of FFADO |
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# FFADO = Free Firewire (pro-)audio drivers for linux |
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# |
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# FFADO is based upon FreeBoB. |
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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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# |
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|
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import dbus |
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import dbus.mainloop.qt |
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dbus.mainloop.qt.DBusQtMainLoop(set_as_default=True) |
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import logging |
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log = logging.getLogger('dbus') |
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|
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class ControlInterface: |
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def __init__(self, servername, basepath): |
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self.basepath=basepath |
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self.servername=servername |
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self.bus=dbus.SessionBus() |
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|
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def setContignuous(self, subpath, v, idx=None): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Continuous') |
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if idx == None: |
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dev_cont.setValue(v) |
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else: |
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dev_cont.setValueIdx(idx,v) |
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except: |
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log.error("Failed to set Continuous %s on server %s" % (path, self.servername)) |
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|
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def getContignuous(self, subpath, idx=None): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Continuous') |
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if idx == None: |
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return dev_cont.getValue() |
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else: |
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return dev_cont.getValueIdx(idx) |
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except: |
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log.error("Failed to get Continuous %s on server %s" % (path, self.servername)) |
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return 0 |
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|
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def setDiscrete(self, subpath, v): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Discrete') |
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dev_cont.setValue(v) |
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except: |
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log.error("Failed to set Discrete %s on server %s" % (path, self.servername)) |
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|
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def getDiscrete(self, subpath): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Discrete') |
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return dev_cont.getValue() |
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except: |
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log.error("Failed to get Discrete %s on server %s" % (path, self.servername)) |
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return 0 |
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|
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def setText(self, subpath, v): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Text') |
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dev_cont.setValue(v) |
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except: |
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log.error("Failed to set Text %s on server %s" % (path, self.servername)) |
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|
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def getText(self, subpath): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Text') |
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return dev_cont.getValue() |
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except: |
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log.error("Failed to get Text %s on server %s" % (path, self.servername)) |
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return 0 |
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|
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def setMatrixMixerValue(self, subpath, row, col, v): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.MatrixMixer') |
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dev_cont.setValue(row, col, v) |
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except: |
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log.error("Failed to set MatrixMixer %s on server %s" % (path, self.servername)) |
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|
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def getMatrixMixerValue(self, subpath, row, col): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.MatrixMixer') |
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return dev_cont.getValue(row, col) |
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except: |
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log.error("Failed to get MatrixMixer %s on server %s" % (path, self.servername)) |
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return 0 |
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|
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def enumSelect(self, subpath, v): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Enum') |
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dev_cont.select(v) |
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except: |
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log.error("Failed to select %s on server %s" % (path, self.servername)) |
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def enumSelected(self, subpath): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Enum') |
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return dev_cont.selected() |
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except: |
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log.error("Failed to get selected enum %s on server %s" % (path, self.servername)) |
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return 0 |
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|
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def enumGetLabel(self, subpath, v): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Enum') |
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return dev_cont.getEnumLabel(v) |
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except: |
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log.error("Failed to get enum label %s on server %s" % (path, self.servername)) |
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return 0 |
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|
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def enumCount(self, subpath): |
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try: |
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path = self.basepath + subpath |
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dev = self.bus.get_object(self.servername, path) |
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dev_cont = dbus.Interface(dev, dbus_interface='org.ffado.Control.Element.Enum') |
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return dev_cont.count() |
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except: |
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log.error("Failed to get enum count %s on server %s" % (path, self.servername)) |
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return 0 |
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|
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class DeviceManagerInterface: |
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""" Implementation of the singleton """ |
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def __init__(self, servername, basepath): |
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self.basepath=basepath + '/DeviceManager' |
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self.servername=servername |
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self.bus=dbus.SessionBus() |
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self.dev = self.bus.get_object(self.servername, self.basepath) |
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self.iface = dbus.Interface(self.dev, dbus_interface='org.ffado.Control.Element.Container') |
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|
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self.updateSignalHandlers = [] |
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self.updateSignalHandlerArgs = {} |
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self.preUpdateSignalHandlers = [] |
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self.preUpdateSignalHandlerArgs = {} |
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self.postUpdateSignalHandlers = [] |
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self.postUpdateSignalHandlerArgs = {} |
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self.destroyedSignalHandlers = [] |
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self.destroyedSignalHandlerArgs = {} |
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# signal reception does not work yet since we need a mainloop for that |
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# and qt3 doesn't provide one for python/dbus |
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try: |
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log.debug("connecting to: Updated on %s (server: %s)" % (self.basepath, self.servername)) |
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self.dev.connect_to_signal("Updated", self.updateSignal, \ |
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dbus_interface="org.ffado.Control.Element.Container") |
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self.dev.connect_to_signal("PreUpdate", self.preUpdateSignal, \ |
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dbus_interface="org.ffado.Control.Element.Container") |
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self.dev.connect_to_signal("PostUpdate", self.postUpdateSignal, \ |
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dbus_interface="org.ffado.Control.Element.Container") |
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self.dev.connect_to_signal("Destroyed", self.destroyedSignal, \ |
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dbus_interface="org.ffado.Control.Element.Container") |
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except dbus.DBusException: |
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traceback.print_exc() |
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|
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def registerPreUpdateCallback(self, callback, arg=None): |
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if not callback in self.preUpdateSignalHandlers: |
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self.preUpdateSignalHandlers.append(callback) |
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# always update the argument |
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self.preUpdateSignalHandlerArgs[callback] = arg |
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|
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def registerPostUpdateCallback(self, callback, arg=None): |
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if not callback in self.postUpdateSignalHandlers: |
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self.postUpdateSignalHandlers.append(callback) |
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# always update the argument |
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self.postUpdateSignalHandlerArgs[callback] = arg |
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|
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def registerUpdateCallback(self, callback, arg=None): |
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if not callback in self.updateSignalHandlers: |
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self.updateSignalHandlers.append(callback) |
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# always update the argument |
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self.updateSignalHandlerArgs[callback] = arg |
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|
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def registerDestroyedCallback(self, callback, arg=None): |
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if not callback in self.destroyedSignalHandlers: |
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self.destroyedSignalHandlers.append(callback) |
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# always update the argument |
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self.destroyedSignalHandlerArgs[callback] = arg |
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|
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def updateSignal(self): |
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log.debug("Received update signal") |
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for handler in self.updateSignalHandlers: |
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arg = self.updateSignalHandlerArgs[handler] |
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try: |
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if arg: |
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handler(arg) |
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else: |
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handler() |
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except: |
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log.error("Failed to execute handler %s" % handler) |
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|
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def preUpdateSignal(self): |
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log.debug("Received pre-update signal") |
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for handler in self.preUpdateSignalHandlers: |
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arg = self.preUpdateSignalHandlerArgs[handler] |
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try: |
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if arg: |
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handler(arg) |
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else: |
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handler() |
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except: |
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log.error("Failed to execute handler %s" % handler) |
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|
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def postUpdateSignal(self): |
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log.debug("Received post-update signal") |
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for handler in self.postUpdateSignalHandlers: |
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arg = self.postUpdateSignalHandlerArgs[handler] |
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try: |
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if arg: |
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handler(arg) |
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else: |
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handler() |
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except: |
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log.error("Failed to execute handler %s" % handler) |
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|
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def destroyedSignal(self): |
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log.debug("Received destroyed signal") |
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for handler in self.destroyedSignalHandlers: |
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arg = self.destroyedSignalHandlerArgs[handler] |
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try: |
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if arg: |
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handler(arg) |
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else: |
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handler() |
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except: |
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log.error("Failed to execute handler %s" % handler) |
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|
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def getNbDevices(self): |
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return self.iface.getNbElements() |
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def getDeviceName(self, idx): |
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return self.iface.getElementName(idx) |
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|
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class ConfigRomInterface: |
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def __init__(self, servername, devicepath): |
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self.basepath=devicepath + '/ConfigRom' |
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self.servername=servername |
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self.bus=dbus.SessionBus() |
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self.dev = self.bus.get_object(self.servername, self.basepath) |
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self.iface = dbus.Interface(self.dev, dbus_interface='org.ffado.Control.Element.ConfigRomX') |
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def getGUID(self): |
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return self.iface.getGUID() |
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def getVendorName(self): |
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return self.iface.getVendorName() |
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def getModelName(self): |
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return self.iface.getModelName() |
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def getVendorId(self): |
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return self.iface.getVendorId() |
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def getModelId(self): |
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return self.iface.getModelId() |
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def getUnitVersion(self): |
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return self.iface.getUnitVersion() |
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|
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class ClockSelectInterface: |
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def __init__(self, servername, devicepath): |
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self.basepath=devicepath + '/Generic/ClockSelect' |
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self.servername=servername |
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self.bus=dbus.SessionBus() |
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self.dev = self.bus.get_object(self.servername, self.basepath) |
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self.iface = dbus.Interface(self.dev, dbus_interface='org.ffado.Control.Element.AttributeEnum') |
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self.iface_element = dbus.Interface(self.dev, dbus_interface='org.ffado.Control.Element.Element') |
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def count(self): |
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return self.iface.count() |
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def select(self, idx): |
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return self.iface.select(idx) |
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def selected(self): |
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return self.iface.selected() |
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def getEnumLabel(self, idx): |
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return self.iface.getEnumLabel(idx) |
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def attributeCount(self): |
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return self.iface.attributeCount() |
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def getAttributeValue(self, idx): |
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return self.iface.getAttributeValue(idx) |
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def getAttributeName(self, idx): |
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return self.iface.getAttributeName(idx) |
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def canChangeValue(self): |
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return self.iface_element.canChangeValue() |
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|
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class SamplerateSelectInterface: |
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def __init__(self, servername, devicepath): |
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self.basepath=devicepath + '/Generic/SamplerateSelect' |
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self.servername=servername |
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self.bus=dbus.SessionBus() |
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self.dev = self.bus.get_object(self.servername, self.basepath) |
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self.iface = dbus.Interface(self.dev, dbus_interface='org.ffado.Control.Element.Enum') |
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self.iface_element = dbus.Interface(self.dev, dbus_interface='org.ffado.Control.Element.Element') |
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def count(self): |
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return self.iface.count() |
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def select(self, idx): |
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return self.iface.select(idx) |
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def selected(self): |
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return self.iface.selected() |
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def getEnumLabel(self, idx): |
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return self.iface.getEnumLabel(idx) |
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def canChangeValue(self): |
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return self.iface_element.canChangeValue() |
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|
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class TextInterface: |
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def __init__(self, servername, basepath): |
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self.basepath=basepath |
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self.servername=servername |
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self.bus=dbus.SessionBus() |
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self.dev = self.bus.get_object( self.servername, self.basepath ) |
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self.iface = dbus.Interface( self.dev, dbus_interface="org.ffado.Control.Element.Text" ) |
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self.iface_element = dbus.Interface(self.dev, dbus_interface='org.ffado.Control.Element.Element') |
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def text(self): |
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return self.iface.getValue() |
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def setText(self,text): |
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self.iface.setValue(text) |
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def canChangeValue(self): |
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return self.iface_element.canChangeValue() |
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