I think there's an option in the roku Jellyfin app to enable AV1 playback. I haven't tried it myself, but I have seen it messing around with a few settings.
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Works fine here, encoded with handbrake
Hmm. I also encoded with handbrake, maybe an issue with the Roku ultra?
Could be, I have a Roku built in to my TCL TVs, that's what I use. Did you replace an existing file with the av1? I had to rescan my library after swapping my files for it to work, otherwise it gave a playback error.
Can you check in the logs what exactly Jellyfin tries to do? Does it try to transcode for any reason?
It does are package, remux. Not sure how to prevent this
I found the repacking setting under transcoding, let me turn that off and see if the remuxing stops.
Is that a setting specific to the roku client? I wasn't able to find it in the server settings.
No luck, movies that are mkvs require a remux. I checked the logs but could not see the reason for the remux
Sorry for the late reply. Do mkvs with other codecs (avc or hevc) also remux?
Yes, from what I can see everything sent to the Roku is being remuxed. I can triple check this, but I know that hevc is.
I couldn't really find anything on the web that would explain the remuxing :/
Have you tried asking on the Jellyfin forums? The devs probably hang out there and could help further.
I'm using MKV, but for whatever reason Jellyfin wants to remux all the MKVs 🤘
I can share the file with you if you want to see what happens? But I'm not going to put that link here lol