The QMediaServiceDefaultDeviceInterface class interface identifies the default device used by a media service plug-in. 更多...
头: | #include <QMediaServiceDefaultDeviceInterface> |
qmake: | QT += multimedia |
Since: | Qt 5.3 |
virtual | ~QMediaServiceDefaultDeviceInterface () |
virtual QByteArray | defaultDevice (const QByteArray & service ) const = 0 |
The QMediaServiceDefaultDeviceInterface class interface identifies the default device used by a media service plug-in.
A QMediaServiceProviderPlugin may implement this interface.
[虚拟]
QMediaServiceDefaultDeviceInterface::
~QMediaServiceDefaultDeviceInterface
()
Destroys a media service default device interface.
[pure virtual]
QByteArray
QMediaServiceDefaultDeviceInterface::
defaultDevice
(const
QByteArray
&
service
) const
Returns the default device for a service 类型。