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Inherits QObject.
Notifications about backend capabilities.
This signal is emitted when audio output devices were plugged or unplugged.
Check BackendCapabilities.availableAudioOutputDevices to get the current list of available devices.
This signal is emitted if the capabilities have changed. This can happen if the user has requested a backend change.
PyQt 4.4.3 for X11 | Copyright © Riverbank Computing Ltd and Trolltech AS 2008 | Qt 4.4.1 |