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Bad 4K Performance on Jellyfin (poptalk.scrubbles.tech)

submitted 8 months ago by [email protected] to c/[email protected]

27 comments fedilink hide all child comments

Hi all, looking for some help with the Jellyfin Media Player.

For background, I've used Plex for years, and I've had it working well. I'm trying out Jellyfin because of all of the reasons you're already thinking of.

One issue I'm having - I like uncompressed 4K HDR. I'm trying to play a large movie, one Plex direct plays perfectly fine to my HTPC. (2.5GB networking through and through, direct access, all the basics have checked). However Jellyfin Media Player seems to stutter and drop frames.

Not like "It stops and buffers", but more like playing a video game and it drops down to 15fps. Is there a setting somewhere I'm missing to enable GPU support or something? I toggled OpenGL on and off and it didn't seem to have an effect.

Video says it's direct play, no transcode. Not sure what else it could be beyond hardware acceleration?

Thanks!

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[–] [email protected] 4 points 8 months ago (1 children)

If you want direct play of the file, play around with different clients. Encoding 4k can be taxing on a system. Some jellyfin clients just don't support the media format for direct pass through.

[–] [email protected] 3 points 8 months ago

Another thing to remember is the client needs to support decoding the video in hardware or have enough CPU to handle it in software. I have intel i7 (3rd gen) with no hardware HEVC/x265 support but it has enough CPU to power through.