How necessary is openh264?

[boredsquirrel]

So try

rpm-ostree uninstall gstreamer1-plugin-openh264 --install libavcodec-freeworld

This will make video playback work and is the less intrusive method.

I explained all available methods in a howto

Atomic Desktops: Fix video playback and thumbnails, also in Firefox

You may encounter that your preinstalled Firefox can’t play videos or certain video thumbnails are missing in your file manager. This is due to missing nonfree codecs, that the Fedora Project would need to pay an enormous amount of money for, thus they can’t possibly preinstall it. There is rpmfusion though, which is not situated in the US and thereby can easily ship these packages without consequences. Also, some Flatpak apps or runtimes ship ffmpeg, which includes the wanted video codecs. H…