Media services provide implementations of the functionality promised by media objects, and allow multiple providers to implement a
To provide the functionality of a
QMediaObjectmedia services implement
QMediaControlinterfaces. Services typically implement one core media control which provides the core feature of a media object, and some number of additional controls which provide either optional features of the media object, or features of a secondary media object or peripheral object.QMediaPlayerControl *control = qobject_cast<QMediaPlayerControl *>( mediaService->requestControl("org.qt-project.qt.mediaplayercontrol/5.0"));
Media objects can use services loaded dynamically from plug-ins or implemented statically within an applications. Plug-in based services should also implement the
QMediaServiceProviderPlugininterface. Static services should implement the QMediaServiceProvider interface. In general, implementing a
QMediaServiceis outside of the scope of this documentation and support on the relevant mailing lists or IRC channels should be sought.
- param parent
Construct a media service with the given
parent. This class is meant as a base class for Multimedia services so this constructor is protected.
controlback to the service.
name – str
- Return type
Returns a pointer to the media control implementing
If the service does not implement the control, or if it is unavailable a null pointer is returned instead.
Controls must be returned to the service when no longer needed using the
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