QMediaVideoProbeControl Class

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

Header: #include <QMediaVideoProbeControl>
qmake: QT += multimedia
Inherits: QMediaControl

This class is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.

Public Functions


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

Protected Functions

QMediaVideoProbeControl(QObject *parent = nullptr)


Detailed Description

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.

See also QVideoProbe, QMediaService::requestControl(), QMediaPlayer, and QCamera.

Member Function Documentation

[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.

[virtual] QMediaVideoProbeControl::~QMediaVideoProbeControl()

Destroys this video probe control

Macro Documentation



Defines the interface name of the QMediaVideoProbeControl class.

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