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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Often videos I took from my phone don't have a thumbnail on my computer. How to track that down? (lemmy.world)

submitted 2 days ago* (last edited 1 day ago) by a_new_sad_me@lemmy.world to c/linux@lemmy.ml

10 comments fedilink hide all child comments

I have a Samsung phone and I use the default camera to take videos. Then, in my home wifi, I transfer the files to my server using syncthing. The folders where these files are stored is then mounted on a different computer via lan (my main machine). The videos on that machine don't always have thumbnails and I'm not sure why. How can I track that down? At what stage should the thumbnail be generated?

Technical information (based on questions that I am asked):

The files are mp4
I'm using kubuntu 24.10
I'm using Dolphine file browser

Solution
On dolphin go to settings -> preview -> file size for remote storage.

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[–] liliumstar@lemmy.dbzer0.com 4 points 2 days ago (1 children)

In this scenario, the thumbnails are going to be generated when you browse the directory. Probably what network filesystem you're using. Alternately, maybe there is a maximum file size on previews? I know dolphin has that option.

[–] 0x0f@lemmy.blahaj.zone 1 points 2 days ago* (last edited 2 days ago) (1 children)

Alternately, maybe there is a maximum file size on previews?

it's likely this, the mp4s don't have thumbnail embedded and dolphin is skipping the big ones

[–] a_new_sad_me@lemmy.world 2 points 1 day ago

Yes! This is it. Thank you!