QMediaVideoProbeControl Class

The QMediaVideoProbeControl class allows control over probing video frames in media objects. 更多...

头：	#include <QMediaVideoProbeControl>
qmake:	QT += multimedia
继承：	QMediaControl

该类已过时。 提供它是为使旧源代码能继续工作。强烈建议不要在新代码中使用它。

所有成员列表，包括继承成员

公共函数

virtual

~QMediaVideoProbeControl ()

信号

void	flush ()
void	videoFrameProbed (const QVideoFrame & frame )

保护函数

QMediaVideoProbeControl (QObject * parent = nullptr)

宏

QMediaVideoProbeControl_iid

详细描述

QVideoProbe is the client facing class for probing video - this class is implemented by media backends to provide this functionality.

The interface name of QMediaVideoProbeControl is org.qt-project.qt.mediavideoprobecontrol/5.0 作为定义在 QMediaVideoProbeControl_iid .

另请参阅 QVideoProbe , QMediaService::requestControl (), QMediaPlayer ，和 QCamera .

成员函数文档编制

`[protected]` QMediaVideoProbeControl:: QMediaVideoProbeControl ( QObject * parent = nullptr)

Create a new media video probe control object with the given parent .

`[signal]` void QMediaVideoProbeControl:: flush ()

This signal should be emitted when it is required to release all frames.

`[signal]` void QMediaVideoProbeControl:: videoFrameProbed (const QVideoFrame & frame )

This signal should be emitted when a video frame is processed in the media service.

`[虚拟]` QMediaVideoProbeControl:: ~QMediaVideoProbeControl ()

Destroys this video probe control

宏文档编制

QMediaVideoProbeControl_iid

org.qt-project.qt.mediavideoprobecontrol/5.0

定义接口名为 QMediaVideoProbeControl 类。