issue when playing videos on vlc or firefox

Hi!

i recently came from Arch to Tumbleweed, when playing videos on VLC or firefox e.g. youtube, sometimes video jumps 1-2 seconds forward specially in VLC.

please tell me how to solve or troubleshoot this problem

Thanks in advance

Do you try this:
https://forums.opensuse.org/showthread.php/523476-Multimedia-Guide-for-openSUSE-Tumbleweed

And you only update in Tumbleweed with:

zypper dup

solved, thanks.