QMediaService Class Reference

Detailed Description

The QMediaService class provides a common base class for media service implementations.

Media services provide implementations of the functionality promised by media objects, and allow multiple providers to implement a QMediaObject.

To provide the functionality of a QMediaObject media services implement QMediaControl interfaces. 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.

A pointer to media service's QMediaControl implementation can be obtained by passing the control's interface name to the requestControl() function.

    QMediaPlayerControl *control = qobject_cast<QMediaPlayerControl *>(
            service->requestControl("com.nokia.Qt.QMediaPlayerControl/1.0"));

Media objects can use services loaded dynamically from plug-ins or implemented statically within an applications. Plug-in based services should also implement the QMediaServiceProviderPlugin interface. Static services should implement the QMediaServiceProvider interface.

See also QMediaObject, QMediaControl, QMediaServiceProvider, and QMediaServiceProviderPlugin.

Member Function Documentation