https://bugs.kde.org/show_bug.cgi?id=493831
Bug ID: 493831
Summary: Okular Unable to Render AVIF Images Properly, Directly
from ZIP Containers
Classification: Applications
Product: okular
Version: 24.08.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Image backend components
Assignee: okular-devel@kde.org
Reporter: 2ka...@tutanota.com
Target Milestone: ---
Created attachment 174203
--> https://bugs.kde.org/attachment.cgi?id=174203&action=edit
Test_Material.jpg is inside. follow steps to reproduce
SUMMARY:
--------
Okular is unable to render AVIF images directly from within a ZIP container,
but it can render them correctly when the images are extracted. This suggests a
potential issue with Okular's handling of ZIP containers with AVIF images
within them.
STEPS TO REPRODUCE
1. `avifenc Test_Material.jpg Test_Material.avif`
2. zip it through cmdline or from middle click window `Compress > Compress to
"Test_Material.zip"`
3. open the zip file with okular and see that the image is being extremely
enlarged (vertically)
4. open context window with middle click and "Extract here" then open the
folder with okular and it will render the avif image properly.
5. try opening the `Test_Material.zip` that has the avif image in it with MPV
and MPV wont have any issues with it.
OBSERVED RESULT
Okular renders an extremely enlarged (vertically) image
EXPECTED RESULT
Okular should render AVIF files without any issues.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch + Plasma 6.1.5
KDE Plasma Version: 6.1.5
KDE Frameworks Version: 6.6.0
Qt Version: 6.7.2
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