QCameraViewfinderSettingsControl Class
The QCameraViewfinderSettingsControl class provides an abstract class for controlling camera viewfinder parameters. More...
| Header: | #include <QCameraViewfinderSettingsControl> |
| qmake: | QT += multimedia |
| Inherits: | QMediaControl |
Public Types
| enum | ViewfinderParameter { Resolution, PixelAspectRatio, MinimumFrameRate, MaximumFrameRate, PixelFormat, UserParameter } |
Public Functions
| virtual | ~QCameraViewfinderSettingsControl() |
- 30 public functions inherited from QObject
Protected Functions
| QCameraViewfinderSettingsControl(QObject *parent = nullptr) |
- 9 protected functions inherited from QObject
Related Non-Members
| typedef | QObjectList |
| QList<T> | qFindChildren(const QObject *obj, const QRegExp ®Exp) |
| T | qobject_cast(QObject *object) |
| T | qobject_cast(const QObject *object) |
Macros
| QCameraViewfinderSettingsControl_iid | |
| QT_NO_NARROWING_CONVERSIONS_IN_CONNECT | |
| Q_CLASSINFO(Name, Value) | |
| Q_DISABLE_COPY(Class) | |
| Q_DISABLE_COPY_MOVE(Class) | |
| Q_DISABLE_MOVE(Class) | |
| Q_EMIT | |
| Q_ENUM(...) | |
| Q_ENUM_NS(...) | |
| Q_FLAG(...) | |
| Q_FLAG_NS(...) | |
| Q_GADGET | |
| Q_INTERFACES(...) | |
| Q_INVOKABLE | |
| Q_MEDIA_DECLARE_CONTROL(Class, IId) | |
| Q_NAMESPACE | |
| Q_OBJECT | |
| Q_PROPERTY(...) | |
| Q_REVISION | |
| Q_SET_OBJECT_NAME(Object) | |
| Q_SIGNAL | |
| Q_SIGNALS | |
| Q_SLOT | |
| Q_SLOTS |
Additional Inherited Members
- 1 property inherited from QObject
- 1 public slot inherited from QObject
- 2 signals inherited from QObject
- 9 static public members inherited from QObject
Detailed Description
The interface name of QCameraViewfinderSettingsControl is org.qt-project.qt.cameraviewfindersettingscontrol/5.0 as defined in QCameraViewfinderSettingsControl_iid.
Warning: New backends should implement QCameraViewfinderSettingsControl2 instead. Application developers should request this control only if QCameraViewfinderSettingsControl2 is not available.
See also QMediaService::requestControl(), QCameraViewfinderSettingsControl2, and QCamera.
Member Type Documentation
enum QCameraViewfinderSettingsControl::ViewfinderParameter
| Constant | Value | Description |
|---|---|---|
QCameraViewfinderSettingsControl::Resolution | 0 | Viewfinder resolution, QSize. |
QCameraViewfinderSettingsControl::PixelAspectRatio | 1 | Pixel aspect ratio, QSize as in QVideoSurfaceFormat::pixelAspectRatio |
QCameraViewfinderSettingsControl::MinimumFrameRate | 2 | Minimum viewfinder frame rate, qreal |
QCameraViewfinderSettingsControl::MaximumFrameRate | 3 | Maximum viewfinder frame rate, qreal |
QCameraViewfinderSettingsControl::PixelFormat | 4 | Viewfinder pixel format, QVideoFrame::PixelFormat |
QCameraViewfinderSettingsControl::UserParameter | 1000 | The base value for platform specific extended parameters. For such parameters the sequential values starting from UserParameter should be used. |
Member Function Documentation
[protected] QCameraViewfinderSettingsControl::QCameraViewfinderSettingsControl(QObject *parent = nullptr)
Constructs a camera viewfinder control object with parent.
[virtual] QCameraViewfinderSettingsControl::~QCameraViewfinderSettingsControl()
Destroys the camera viewfinder control object.
Macro Documentation
QCameraViewfinderSettingsControl::QCameraViewfinderSettingsControl_iid
org.qt-project.qt.cameraviewfindersettingscontrol/5.0
Defines the interface name of the QCameraViewfinderSettingsControl class.