I have been trying to get this to work for 2 days now and I am desperate. Basically I want to record a video with my webcam using Qt5. I got so far that I can get a widget to di
If you are on a Windows platform this issue is simply because Qt does not support video recording for Windows. Take a look at this http://doc.qt.io/qt-5/qtmultimedia-windows.html
A work around is to use this 3rd-party library https://github.com/kibsoft/QtMEL I hope Qt does something about this soon. Good luck!