[ffmpegthumbs] [Bug 509991] Dolphin does not load thumbnails in webp format embedded in mkv file

"Nicolas Fella" <[email protected]> Sat, 27 Sep 2025 19:14:57 +0000

Newsgroups	gmane.comp.kde.devel.kfm
Message-ID	<[email protected]/>

https://bugs.kde.org/show_bug.cgi?id=3D509991

Nicolas Fella <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |general
            Product|dolphin                     |ffmpegthumbs
           Assignee|[email protected]   |[email protected]

--- Comment #3 from Nicolas Fella <[email protected]> ---
Thanks. How did you create the file?

as far as I can tell there is a stream with a webp image inside, but it doe=
sn't
have the correct content disposition (AV_DISPOSITION_ATTACHED_PIC) so the
thumbnailer code doesn't use it.

See
https://invent.kde.org/multimedia/ffmpegthumbs/-/blob/master/ffmpegthumbnai=
ler.cpp?ref_type=3Dheads#L110

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