[Digikam-devel] [digikam] [Bug 357972] Video Thumbnails are not produced anymore

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=357972

caulier.gilles at gmail.com changed:

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                 CC|                            |caulier.gilles at gmail.com

--- Comment #4 from caulier.gilles at gmail.com ---
exactly.

Dolphin use Desktop standard cache mechanism (PNG thumb file stored in your
home dir).

DK do not use this mechanism since a while, but a dedicated database to
optimize a lots the space used to store thumbs (wavelets compression) and to be
able to show thumbs with disconnected media managed with DK.

In Dolphin, press F5 to refresh video thumbs. Does it work ?

Note : DK and Dolphin share the same engine to extract video thumbs. Engine is
provided by KDELibs (as an interface), which use a low level extractor as
mplayer (configurable in KDE control panel)

Maik : the video thumb handling is a big mess in KDE and very sensible to
system update and settings. With Qt5, we will wait a method to be able to
extract video thumb with QtMultimedia. As i know this still in TODO list for Qt
team : see on bottom of https://wiki.qt.io/Qt_Multimedia

Gilles Caulier

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