QMediaVideoProbeControl Class
The QMediaVideoProbeControl class allows control over probing video frames in media objects. 更多...
| 头文件: | #include <QMediaVideoProbeControl> |
| qmake: | QT += multimedia |
| 基类: | QMediaControl |
公有函数
| virtual | ~QMediaVideoProbeControl() |
- 32 个公有函数继承自 QObject
信号
| void | flush() |
| void | videoFrameProbed(const QVideoFrame &frame) |
- 2 个信号继承自 QObject
受保护的函数
| QMediaVideoProbeControl(QObject *parent = Q_NULLPTR) |
- 9 个受保护的函数继承自 QObject
Macros
其他继承的成员
详细描述
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.
The interface name of QMediaVideoProbeControl is org.qt-project.qt.mediavideoprobecontrol/5.0 as defined in QMediaVideoProbeControl_iid.
参见 QVideoProbe, QMediaService::requestControl(), QMediaPlayer, and QCamera.
成员函数
[protected] QMediaVideoProbeControl::QMediaVideoProbeControl(QObject *parent = Q_NULLPTR)
Create a new media video probe control object with the given parent.
[virtual] 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.
宏
QMediaVideoProbeControl_iid
org.qt-project.qt.mediavideoprobecontrol/5.0
Defines the interface name of the QMediaVideoProbeControl class.