The QMediaServiceProviderPlugin class interface provides an interface for QMediaService plug-ins. 更多...
| 頭： | #include <QMediaServiceProviderPlugin> |
| qmake: | QT += multimedia |
| 繼承： | QObject and QMediaServiceProviderFactoryInterface |
該類已過時。 提供它是為使舊源代碼能繼續工作。強烈建議不要在新代碼中使用它。
| virtual QMediaService * | create (const QString & key ) override = 0 |
| virtual void | release (QMediaService * service ) override = 0 |
A media service provider plug-in may implement one or more of QMediaServiceSupportedFormatsInterface , QMediaServiceSupportedDevicesInterface ，和 QMediaServiceFeaturesInterface to identify the features it supports.
[override pure virtual]
QMediaService
*QMediaServiceProviderPlugin::
create
(const
QString
&
key
)
Constructs a new instance of the QMediaService identified by key .
The QMediaService returned must be destroyed with release ().
[override pure virtual]
void
QMediaServiceProviderPlugin::
release
(
QMediaService
*
service
)
Destroys a media service constructed with create ().