On vendredi 23 décembre 2022 08:48:01 CET Jan Ingwer Baer wrote: > I have tried to look into the source, but i am lost and could not find > where the information is extracted/decoded from the RAW-file EXIF data > to get a guess for which cameras the RAW-file EXIF lens-distortion data > are supported. You may have to look at Exiv2 information to find that: afaik, all metadata handling is done through Exiv2. And that kind of metadata is usually in the makernote section, which is "rarely" documented...
So if Exiv2 isn't capable of decoding the relevant part of the makernote, darktable will have no information to work with. As exiv2 is an external library, the set of supported cameras can change w/o warning. I haven't found a list of "supported cameras" on the Exiv2 site. Not surprising: when is a camera supported? Very few makernotes are fully understood. And the makernote support can vary between models of the same brand (and perhaps even between firmware versions of a given model?). But perhaps try this page: https://exiv2.org/metadata.html ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to [email protected]
