[FFmpeg-user] Question regarding .gif thumbnailing

ibwtf ibwtf at protonmail.com
Wed Mar 17 16:58:59 EET 2021


I'm using 4.3.2 built from source.




‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday 17 March 2021 15:51, pdr0 <pdr0 at shaw.ca> wrote:

> FFmpeg-users mailing list wrote
>
> > Hello. I'm using ffmpeg to generate thumbnails for my JavaScript web
> > project. Now I'm having a little problem with .gif thumbnails. Original
> > gif: https://files.catbox.moe/frrsev.gif my software's thumbnail:
> > https://files.catbox.moe/3rtv3o.gif
> > As you can see, the thumbnail is not perfect and kind of buggy. This only
> > happens with transparent .gifs. The filter i'm using is: [0:v]
> > scale=${thumbSizeFilter},split [a][b]; [a]
> > palettegen=reserve_transparent=on:transparency_color=ffffff [p]; [b][p]
> > paletteuse
> > Any ideas on how to improve it? Thanks.
>
> This works ok for me; it was fixed a while back. Make sure you use a recent
> git version
>
>
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