Phonon.BackendCapabilities.Notifier Class Reference
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继承： QObject and QObject .

该类在 Qt 4.4 引入。

继承 QObject .

详细描述

Notifications about backend capabilities.

This is the default overload of this signal.

This is the default overload of this signal.

This signal is emitted when audio output devices were plugged or unplugged.

Check BackendCapabilities.availableAudioOutputDevices to get the current list of available devices.

This is the default overload of this signal.

This signal is emitted if the capabilities have changed. This can happen if the user has requested a backend change.