The QMediaServiceCameraInfoInterface class interface provides camera-specific information about devices supported by a camera service plug-in. 更多...
头: | #include <QMediaServiceCameraInfoInterface> |
qmake: | QT += multimedia |
Since: | Qt 5.3 |
virtual | ~QMediaServiceCameraInfoInterface () |
virtual int | cameraOrientation (const QByteArray & device ) const = 0 |
virtual QCamera::Position | cameraPosition (const QByteArray & device ) const = 0 |
The QMediaServiceCameraInfoInterface class interface provides camera-specific information about devices supported by a camera service plug-in.
A QMediaServiceProviderPlugin may implement this interface, in that case it also needs to implement the QMediaServiceSupportedDevicesInterface .
[虚拟]
QMediaServiceCameraInfoInterface::
~QMediaServiceCameraInfoInterface
()
Destroys a media service camera info interface.
[pure virtual]
int
QMediaServiceCameraInfoInterface::
cameraOrientation
(const
QByteArray
&
device
) const
Returns the physical orientation of a camera device supported by a camera service plug-in.
[pure virtual]
QCamera::Position
QMediaServiceCameraInfoInterface::
cameraPosition
(const
QByteArray
&
device
) const
Returns the physical position of a camera device supported by a camera service plug-in.