this post was submitted on 22 Nov 2025
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Tech question about Peertube - transcoding options for a channel (lemmy.ml)
submitted 7 months ago by pete_link@lemmy.ml to c/asklemmy@lemmy.ml
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I recently set up 2 channels for videos on a Peertube server. One is working fine, even with a few hiccups. The other successfully imports videos (around 70 minutes) but then fails during transcoding. So they don't get published and don't show up on the channel home page. They are viewable in Firefox if the URL is known. (A few shorter videos do successfully publish and show up on that channel.)

I'm not an admin on the server so I can't see the logs and the admin has not given me any feedback on the causes for the failures. From what I have read, the long videos take a lot of resources during transcoding.

Can transcoding options be set at the channel level? If so, could someone show some examples so I can suggest something to the server admins to lessen the server load? Thanks.

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[โ€“] TankieTanuki@hexbear.net 3 points 7 months ago* (last edited 7 months ago) (1 children)

The default transcoding profile uses ffmpeg's veryfast preset, which is the third fastest of the ten available presets, and already leaves a lot of quality to be desired IMO. Using a different transcoding profile requires the use of server plugins, as would the ability to set the profile per channel or video. I haven't checked to see if a plugin exists which allows the user to select a profile, but it's something I'm also interested in myself. I'm also not sure if using a different profile makes a transcoding job any more or less likely to fail.