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c++qtqtmultimedia

Why QCamera::CaptureVideo isn't supported?

I'm trying to create an application which uses camera API, based on an example from Qt.

Problem:
Following call to check if video capture is supported returns false. 

camera->isCaptureModeSupported(QCamera::CaptureVideo) //returns false.

If I try to ignore it and start recording - recording does not start and I get no error messages ( Also, QMediaRecorder::errorString() and QCamera::errorString() return empty strings ).

Image from camera correctly showed in QCameraViewFinder.

Solution

  • It basically is a known bug in windows.

    https://bugreports.qt.io/browse/QTBUG-30541

    https://doc-snapshots.qt.io/qt5-5.5/qtmultimedia-windows.html

    It should work in other platforms, though.