if SystemInfo["CanDownmixAC3"]:
self.settings.downmix = ConfigOnOff(default=config.av.downmix_ac3.value)
self.settings.downmix.addNotifier(self.changeAC3Downmix, initial_call = False)
if SystemInfo["CanDownmixAC3"]:
self.settings.downmix = ConfigOnOff(default=config.av.downmix_ac3.value)
self.settings.downmix.addNotifier(self.changeAC3Downmix, initial_call = False)