Behavior of "Delegate to ExifTool backend all operations"

[Gilles Caulier]

Hi,

See the online doc :

https://docs.digikam.org/en/setup_application/metadata_settings.html#behavior-settings

Exiftool is only used to write/read metadata from/to files. Internally the
data is still hosted in the Exiv2 containers. Exiftool is able to handle
these containers as well.

As ExifTool are Perl scripts, it's slower than Exiv2 which is C++ compiled,
but the abstract layer to deal with file format is so far more advanced
than Exiv2.

Playing with RAW and Video files for example with Exiv2 is poor quality,
where ExifTool rocks. This is why this kind of option exists in digiKam...

Best

Gilles Caulier
Gilles

Le mar. 25 mars 2025 à 08:42, Gmail - nonolemono <nonolemono at gmail.com> a
écrit :

> Hello,
>
> using Digikam 8.6.0 I would like to write metadata to raw files (CR2 in my
> case), but keep using exiv2 for others as it is faster an works well.
> I'm not sure about the behavior of the settings: "Delegate to ExifTool
> backend all operations"
> This make me think than exiv2 will not be used at all in that case, but
> then if you click "If possible write metadata to RAW files" the popup
> indicates that Exiftool will *only *be used for RAW files.
>
> Could you clarify the behavior ?
>
> Thanks
> --
> Bruno Léon
>
>
>
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