QMediaServiceProviderPlugin Class

QMediaServiceProviderPlugin class interface provides an interface for QMediaService plug-ins. 更多...

头: #include <QMediaServiceProviderPlugin>
qmake: QT += multimedia
继承: QObject and QMediaServiceProviderFactoryInterface

公共函数

virtual QMediaService * create (const QString & key ) override = 0

重实现公共函数

virtual void release (QMediaService * service ) override = 0

额外继承成员

详细描述

QMediaServiceProviderPlugin class interface provides an interface for QMediaService plug-ins.

A media service provider plug-in may implement one or more of QMediaServiceSupportedFormatsInterface , QMediaServiceSupportedDevicesInterface ,和 QMediaServiceFeaturesInterface to identify the features it supports.

成员函数文档编制

[override pure virtual] QMediaService *QMediaServiceProviderPlugin:: create (const QString & key )

Constructs a new instance of the QMediaService identified by key .

QMediaService returned must be destroyed with release ().

[override pure virtual] void QMediaServiceProviderPlugin:: release ( QMediaService * service )

Destroys a media service constructed with create ().