Windows

Sometimes you may have a webcam that shows flickering.

How to solve it?

In my case, I have a Logitech C920 HD Pro and I was having this problem.

Why it happens

Usually it is because the camera is working at 60 Hz and the monitor at 50, or vice versa.

How to solve it in Windows

For my particular camera, it was simple:

1. download and install the Camera Settings application.
2. Open it.
3. Set the camera’s refresh rate to match that of the monitor.

How to solve it on Linux

On Linux it is also easy to do if you install the gtk-v4l package. If you are on Fedora 35:

Having a Windows virtual machine in Linux has a lot of utilities:

1. If you’re testing Linux for the first time, it can help you “unhook yourself” from Windows little by little. You know you have Windows there, and that placebo gives you the necessary courage to test this little weird new world that is Linux.
2. You’re a developer and you want to see how your apps or services work on Windows.
3. You need to use one app that has no native Linux alternative and that you cannot run with Wine.
4. You need to use one app that is only available through Windows app store.

It turns out getting it is way easier than what you imagine: