QCameraViewfinder: How to remove last frame after disconnection

[Joserodrigo]

I hava a QCameraViewfinder connected to
a QCamera. After the device disconnection, the
last received frame still in the viewfinder.
How can I make the app reset the viewfinder
to a Black Screen automatically? There are signals for this? Or properties?

Thanks in advice.

[OveF]

from your QCameraViewfinder object, get the QMediaObject pointer.

[virtual] QMediaObject *mediaObject() const

then, from this pointer get the QMediaService * pointer.

[virtual] QMediaService *QMediaObject::service() const

This pointer gives you access to the mediaplayer controle

QMediaPlayerControl *control = qobject_cast<QMediaPlayerControl *>(
mediaService->requestControl("org.qt-project.qt.mediaplayercontrol/5.0"));

Maybe this is what you are looking for

OveF