this post was submitted on 30 Jan 2025
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cross-posted from: https://startrek.website/post/18851336

I usually don't post non-OCs, but this one seems relatively rare. The GIF quality was terrible, so I took the MP4 and encoded it into a high-quality animated WEBP. APNG was tempting, but when I tried that for my Prodigy meme, I ran into all sorts of issues. WEBP seems better supported.

Source: https://tenor.com/view/klingon-jump-rope-gif-7629146

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[–] [email protected] 2 points 2 months ago* (last edited 2 months ago) (1 children)

APNG files start to get large - a dozen or few dozen megabytes

I just messed around with using ffmpeg to convert that MP4 to both APNG and WEBP, and the size difference was substantial, but definitely not that bad.

  • MP4
    • 60.4 KiB
    • klingon-jump-rope.mp4
  • APNG
    • 1.6 MiB
    • ffmpeg -i klingon-jump-rope.mp4 -plays 0 klingon-jump-rope.apng
  • WEBP
    • 110.9 KiB
    • ffmpeg -i klingon-jump-rope.mp4 -loop 0 klingon-jump-rope.webp
  • WEBM
    • 59.9 KiB
    • ffmpeg -i klingon-jump-rope.mp4 klingon-jump-rope.webm

EDIT: Oh, right, "few dozen megabytes" probably refers to some other animation you had made. Still, you are right, WEBP seems to be the way to go.

[–] [email protected] 5 points 2 months ago (1 children)

I think part of my Prodigy meme problem was I tried to encode in a bit too high a resolution (720x480). When retesting it today, I had a 49.1 MiB file, verses with a WEBP encoded at quality level 90, I got it down to 3 megabytes while still looking pretty good. I also kept having an issue with APNG white lines that I could never figure out.

Also, the WEBP was a bit larger than that - I wasn't satisfied with FFMPEG's default quality level of 75, so I experimented and decided on 97, getting a size of 333.8 KiB.

P.S For funzies, here's the WEBP version of that Prodigy meme I was talking about (done in 85):

[–] [email protected] 4 points 2 months ago (1 children)

Love it, just needs to hold on the punchline a bit longer.