The QMediaVideoProbeControl class allows control over probing video frames in media objects. 更多...
| 头: | #include <QMediaVideoProbeControl> | 
| qmake: | QT += multimedia | 
| 继承: | QMediaControl | 
| virtual | ~QMediaVideoProbeControl () | 
| void | flush () | 
| void | videoFrameProbed (const QVideoFrame & frame ) | 
| const QMetaObject | staticMetaObject | 
| QMediaVideoProbeControl (QObject * parent = nullptr) | 
| QMediaVideoProbeControl_iid | 
The QMediaVideoProbeControl class allows control over probing video frames in media objects.
QVideoProbe is the client facing class for probing video - this class is implemented by media backends to provide this functionality.
						接口名称对于
						
							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 .
[protected]
						
						QMediaVideoProbeControl::
						
							QMediaVideoProbeControl
						
						(
						
							
								QObject
							
						
						*
						
							parent
						
						= nullptr)
						
					Create a new media video probe control object with the given parent .
[虚拟]
						
						QMediaVideoProbeControl::
						
							~QMediaVideoProbeControl
						
						()
						
					Destroys this video probe control
[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.
						
org.qt-project.qt.mediavideoprobecontrol/5.0
						
					
定义接口名为 QMediaVideoProbeControl 类。