[digiKam-users] Import window sees different EXIF data for MPG - is this expected?

[Pete Lindgren]

Hi Remco,

Thanks for answering. I'm pretty sure the Import view is reading the tags
from the thm because:
* when I remove the thm file from the folder, the import view no longer
shows the additional metadata
* I have examined the mpg and thm files with exiftool (independent of
digiKam) and the additional metadata is only found in the thm file.

I did play around with adding thm as a named additional sidecar extension
in the settings, but it had no effect on the behaviour that I'm seeing in
this case.

Still confused as to why there is a difference in behaviour between the
import view and the main digiKam album view.

Kind regards,
Pete

On Fri, 1 Apr 2022 at 16:31, Remco Viëtor <remco.vietor at wanadoo.fr> wrote:

> On vendredi 1 avril 2022 10:58:23 CEST Pete Lindgren wrote:
> > Hi,
> >
> > Digikam 7.6.0
> > Windows 10 Pro
> >
> > In the Import Window (Import > Add Images...), the Metadata tab in the
> > right sidebar reads information from a .thm file associated with .mpg
> > files. This contains valuable information particularly regarding the
> > original creation date of the mpg data.
> >
> > However, when I import the mpg file, the process does not import the .thm
> > file and so once the mpg is in my albums, I no longer have access to the
> > additional metadata. Furthermore, even when I manually copy both the MPG
> > and THM file into the album directory on my hard drive (outside of
> digiKam)
> > and then refresh the album within digiKam, the main digiKam window does
> not
> > show the additional information for that mpg in the metadata tab of the
> > right side bar. It appears as though the 'Import' window is aware of the
> > thm file and associates its contents with the MPG, but the main digiKam
> > window does not have this functionality.
> >
> > Is this expected behaviour?
> >
> > Kind regards,
> > Pete
> As far as I know, digikam will only read metadata from XMP sidecar files
> with
> extension .xmp.
>
> You can specify other sidecar extensions, which will ensure (on paper)
> that
> such sidecars are copied and moved with the image or video files. As
> stated in
> the settings dialog, such files are never read from, nor written to.
>
> Which makes me wonder why you are sure that digikam's import dialog read
> the
> .thm? Afaik, .mpg files can also contain at least basic metadata, the .thm
> mostly provides a thumbnail for quick access.
>
> Remco
>
>
>
>
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