[Digikam-devel] [Bug 209382] Caption not being updated in image file

[Stefan Hühne]

https://bugs.kde.org/show_bug.cgi?id=209382





--- Comment #3 from Stefan Hühne <xeno huehne-domain de>  2009-10-07 08:21:16 ---
I've made some more experiments. And it is really confusing.
Whatever I tried, a caption entered on the sidebar NEVER made it into the jpg.
Although, sometimes it is displayed as thaumbnail caption and sometimes even
shows in the metadata-caption dialog. 

Editing metadata-xmp caption seems not to properly synchronize with the sidebar
caption. x-default was synchronized, an additional de-DE caption was not.
Obviously, two different de-DE captions are stored. And while the DE
xmp-caption is written to jpg the DE sidebar caption tends to be used as
thumbnail caption (maybe because I use digikam with german language) - as I
said: confusing.

But maybe it's a matter of my false (naive) expectations. Is there a
documentation about
- how the many different metadata-input options of digikam are internally
synchronized
- how and with which precedence the digikam-metadata are used for display
- how the digikam-metadata items are synchronized with
XFIF/EXIF/IPTC/XMP-metadata in image files

I would even try understanding the source code if I had some hints where to
begin...

Stefan

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