[Fixed] Jellyfin video stutters on some files (all MKV it seems)

tubbadu@lemmy.kde.social to Selfhosted@lemmy.world – 42 points –

Hello fellow selfhosters! I reformatted my USB hard drive from exFAT to XFS because I needed a filesystem that could handle hardlinks. I remounted the hard drive and now jellyfin webUI has a severe stuttering problem on some videos, all of them are MKV but it may be a coincidence. On android (using exoplayer) the same files works smoothly. what could be the problem?
in the logs I get a bunch of Slow HTTP Response from http://fedoraserver:8096/ to 192.168.1.30 in 0:00:07.4635856 with Status Code 200

OT: while looking at the logs this happened

SOLUTION: I enabled hardware acceleration, and manually selected also the HEVC and Allow encoding in HEVC format settings, and now the stutter disappeared! thanks to everyone for your help!!!

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This may help: Container compatibility. MKV files will be remuxed when played via WebUI. Try playing an MP4 file and see if it's the same.

All Mp4 files I tried worked well

I'll read it as soon as I can, thanks!

Well this info kills any desire I have to install Jellyfin. =(

That has nothing to do with Jellyfin itself. Any comparable service will have the exact same issue because the root cause are browsers not supporting the container.