| Summary: | Video Preview is always black (sound is OK) | ||
|---|---|---|---|
| Product: | [Applications] digikam | Reporter: | remy_leblanc |
| Component: | Preview-Video | Assignee: | Digikam Developers <digikam-bugs-null> |
| Status: | RESOLVED DUPLICATE | ||
| Severity: | normal | CC: | caulier.gilles, metzpinguin |
| Priority: | NOR | ||
| Version First Reported In: | 8.8.0 | ||
| Target Milestone: | --- | ||
| Platform: | Microsoft Windows | ||
| OS: | Microsoft Windows | ||
| Latest Commit: | Version Fixed/Implemented In: | ||
| Sentry Crash Report: | |||
| Attachments: | Screen capture | ||
*** This bug has been marked as a duplicate of bug 510124 *** Which digiKam version are you using exactly (Qt5 or Qt6)? Which graphics card are you using? Please disable video hardware acceleration and color table conversion in the digiKam settings under Miscellaneous -> System. Does this resolve the issue? Maik Hi, thanks for your feedback. digiKam: 8.8.0 Environnement de développement de KDE: 6.17.0 Qt: Par utilisation de 6.9.1 et avec compilation avec 6.9.1 Windows 10 Version 22H2 Build ABI: x86_64-little_endian-llp64 Kernel: winnt 10.0.19045 Graphics card is NVIDIA GE Force G210 No change after disabling hardware acceleration and color table conversion. Rémy -----Message d'origine----- De : Maik Qualmann <bugzilla_noreply@kde.org> Envoyé : samedi 22 novembre 2025 14:51 À : remy_leblanc@orange.fr Objet : [digikam] [Bug 512471] Video Preview is always black (sound is OK) https://bugs.kde.org/show_bug.cgi?id=512471 --- Comment #2 from Maik Qualmann <metzpinguin@gmail.com> --- Which digiKam version are you using exactly (Qt5 or Qt6)? Which graphics card are you using? Please disable video hardware acceleration and color table conversion in the digiKam settings under Miscellaneous -> System. Does this resolve the issue? Maik -- You are receiving this mail because: You reported the bug. Did you restart digiKam after disabling video hardware acceleration? Maik Yes !
Remy Leblanc
> Le 22 nov. 2025 à 15:37, Maik Qualmann <bugzilla_noreply@kde.org> a écrit :
>
> https://bugs.kde.org/show_bug.cgi?id=512471
>
> --- Comment #4 from Maik Qualmann <metzpinguin@gmail.com> ---
> Did you restart digiKam after disabling video hardware acceleration?
>
> Maik
>
> --
> You are receiving this mail because:
> You reported the bug.
While the Christmas time, i will rebuild the whole Windows installer from scratch with VCPKG paxkage updated (opencv, Qt, ffmpeg). We will seen if the problem remains... Gilles Caulier |
Created attachment 187062 [details] Screen capture SUMMARY I recently moved to version 8.8.0. Since then (it was ok before), all video previews, whatever type (mp4,MOV, ...) are black. Sound is OK. I can see correctly these videos by F4, opens VLC media player STEPS TO REPRODUCE 1. have a video 2. click on thumbnail 3. see preview OBSERVED RESULT video is "running", but all black, sound is OK EXPECTED RESULT the video preview SOFTWARE/OS VERSIONS Windows: W10 pro, 22H2 ADDITIONAL INFORMATION Prerview was OK before the recently installed 8.8.0 version, but I jumped 2 or 3 versions.