Hi,
The reason is simple. AppImage is compiled with an older Linux host to
provide the best backward compatibility with all Linux distro. The
ffmpeg version used inside is an old one.
Solution: migrate the AppImage build system to a more modern linux
host with the last version of ffmpeg. It's planned, but with a later
7.2.0 final release.
Best regards
Gilles Caulier
Le sam. 23 janv. 2021 à 14:29, Olivier Croquette <
[hidden email]> a écrit :
>
> Hello everyone,
>
> I have some AVI video files using different codecs. They play smoothly
> in the Digikam 6.4 version distributed in Ubuntu 20.04, however the
> playback is really choppy with all Appimage's I tried from the project
> home site, including 6.4, 7.0, 7.1, 7.2 beta 2.
>
> The video plays fine for 2 seconds, then is choppy for 2 seconds,
> repeatedly. Actually with Ubuntu's version, the first 0.5s are choppy
> too, but then it's OK.
>
> The playback of other videos (mp4, mov) works fine.
>
> Any idea what could cause that ? What library is responsible for the
> playback of AVI ? I could compare the versions.
>
> I can also provide a sample file if this helps.
>
> Best regards
> Olivier
>
>
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