https://bugs.kde.org/show_bug.cgi?id=456882

--- Comment #6 from Paul Krause <paul_krause_1...@t-online.de> ---
Dear Charles, Dear Mike,

please apologize for not responding right away.



First:
The bug is not completely fixed at flathub.
Heic (heif-container with h265 codec) files can be decoded, but avif files
(heif-container with AV1 codec) still cannot be decoded.
Even though libheif claims to be able, to decode avif images, at compile time
(through libaom / dav1d).
I thus suspect the problem to be at digikam, QT_LOGGING states 'digikam.dimg:
"example.avif" Unknown image format !!!' and like to ask:
A) Should this be handled at digikam, possibly in a new issue?
B) If you have any idea, or help, how to investigate this, I would appreciate
it.



Second:
Regarding comment #5, the flatpak manifest inside the digikam repository
(project/bundles/flatpak/org.kde.digikam.json, the one linked) is the reason I
reported here. I do not know if this manifest is important, but if:
It has two problems. If the KDE binary factory builds originate from this
manifest, then I can confirm both by testing with the latest build.

A) It lacks libde265 and thus heic images are not decoded.
Please see this commit for a fix:
https://github.com/flathub/org.kde.digikam/pull/41/commits/fe223732b7f0157a980e663e9df9bc2698246b60
I do not think, that the commit in comment #4 should fix this. I think both
flathub and this fix use the same libheif.

B) It cannot decode avif images. As stated before, this is still not fixed at
flathub.



Thanks! & Best
Paul Kruse

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