www.makemkv.com

Whenever I see this in VLC, I turn off hardware decoding and it goes away. This worked for me in VLC, as for Jellyfin would probably have to ask them. I tried replicating your issue with a random blu-ray movie .mkv file I had handy and a random episode of season 2 Battlestar Galactica from my blu-r...

If it was a problem with the source material or a problem in the .mkv file, you would see it all the time. That it generally works until you ask your player to fast forward or reverse suggests to me that the player is fairly lazy when it tries to get back in sync. If you want to get into the weeds ...

I have the BattleStar Galactica Blu Ray set and ripped the files to an MKV. The video files play just fine in VLC and jellyfin IF I hit play and let them run normally without seeking. However skipping around introduces weird screen tearing, blurry glitchy pixels, green lines, and green blocks that d...