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[Fixed] Jellyfin video stutters on some files (all MKV it seems) (lemmy.kde.social)
submitted 2 years ago* (last edited 2 years ago) by to c/selfhosted@lemmy.world
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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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[–] 14 points 2 years ago (1 child)

I had a similar problem. For me it was because some of the videos were encoded with x265 which some client devices could not decode properly. Therefore the server had to decode them but it was not fast enough to do it.

I guess that is why on the Android device the videos are smooth, it can handle the decoding.

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  • [–] [S] 2 points 2 years ago (5 children)

    How did you solve it?

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  • [–] 5 points 2 years ago* (1 child)

    not OC, but i ended up redownloading whatever was x265 and replacing it with 264 or anything else.

    also the 1060 in my NAS can do NVENC encoding. that helped a lot with compatibility.

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  • [–] 2 points 2 years ago (1 child)

    You can also use something like handbrake to convert everything to 264 instead of redownloading everything. You can also set it up to convert after items are downloaded.

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  • [–] 2 points 2 years ago (2 children)

    Does jellyfish not transcode on the fly?

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  • [–] 4 points 2 years ago (1 child)

    I had the same issue, I used tdarr to re encode to h264 mp4

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  • [–] 4 points 2 years ago (1 child)

    i had this problem. i fixed it with a faster machine. same os, same files. more cpu worked.

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  • [–] [S] 2 points 2 years ago (2 children)

    You mean a new sever or a new client?

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  • [–] 2 points 2 years ago (1 child)

    server. it was choking on decoding

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  • [–] 3 points 2 years ago (1 child)

    I did not really solve it. I looked around for a bit but found no good solution. The only thing that sort of worked was to copy the stream URL in Jellyfin and paste it into VLC Media Player, which could play the videos okay. But that was not really satisfactory for me.

    In the end I installed a new OS on my PC which already came with the codecs to decode x265 preinstalled. I installed it for other reasons but it fixed also that issue and now I can play any video in the Jellyfin Media Player. I did not try if it also works in the browser. The OS I am now using is called Nobara.

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