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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

4 comments fedilink hide all child comments

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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[–] 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.

[–] pete_link@lemmy.ml 2 points 7 months ago

thanks

[–] d15d@feddit.org 1 points 7 months ago (1 children)

On your video page, try manually restarting the transcoding. There are two options on the three dots. A lot of my videos fail during the first attempt but then work just fine when I start one or the other transcoding manually. With longer videos, the Web Video version tends to work better.

[–] pete_link@lemmy.ml 1 points 7 months ago

Thanks for responding. Could you send a screenshot of how and where you get to that? I have explored quite a bit and haven't found that. Thanks.