QMediaAvailabilityControl Class▲
-
Header: QMediaAvailabilityControl
-
qmake: QT += multimedia
-
Inherits: QMediaControl
-
Inherited By:
-
Group: QMediaAvailabilityControl is part of multimedia_control
Detailed Description▲
An instance of QMediaObject (or its derived classes) can report any changes in availability via this control.
The interface name of QMediaAvailabilityControl is org.qt-project.qt.mediaavailabilitycontrol/5.0 as defined in QMediaAvailabilityControl_iid.
See Also▲
See also QMediaService::requestControl(), QMediaObject
Member Function Documentation▲
[explicit protected] QMediaAvailabilityControl::QMediaAvailabilityControl(QObject *parent = nullptr)▲
Constructs an availability control object with parent.
[virtual] QMediaAvailabilityControl::~QMediaAvailabilityControl()▲
Destruct the availability control object.
[pure virtual] QMultimedia::AvailabilityStatus QMediaAvailabilityControl::availability() const▲
Returns the current availability of this instance of the media service. If the availability changes at run time (for example, some other media client takes all media resources) the availabilityChanges() signal should be emitted.
void QMediaAvailabilityControl::availabilityChanged(QMultimedia::AvailabilityStatus availability)▲
Signal emitted when the current availability value changed.
Macro Documentation▲
QMediaAvailabilityControl_iid▲
org.qt-project.qt.mediaavailabilitycontrol/5.0
Defines the interface name of the QMediaAvailabilityControl class.