Re: Fwd: Re: DNG conversion in Digikam

Posted by Maik Qualmann on Apr 28, 2021; 6:53pm
URL: http://digikam.185.s1.nabble.com/digiKam-users-DNG-conversion-in-Digikam-tp4716165p4716207.html

No, at the moment I would not report it to the Exiv2 maintainer. Since it
could not be reproduced with the CLI Exiv2 tool either. If I remove the
writting of the Makernotes block, an error message no longer occurs and the
correct lens can be read. We already know problems with the Makernotes block
from some cameras. At the moment we need more time to find the cause ...

Maik

Am Mittwoch, 28. April 2021, 20:29:17 CEST schrieb Gerhard Hoogterp:

> On woensdag 28 april 2021 19:58:52 CEST Gilles Caulier wrote:
> > Maik,
> >
> > I think the Adobe SDK is not the problem here. The SDk constructs a
> > tiff/EP
> > compatible file with the Raw image data extracted with libraw.
> >
> > The SDK make a base tiff file with few metadata, no more. The main job to
> > backport information from RAW to DNG is done by Exiv2, and perhaps unsafe
> > tags are backport too much from original file to the target one.
> >
> > I think ExifTool will be the ultimate solution here...
>
> So if I understand you right, exiv2 is used to ex(tract) the metadata en to
> insert it into the dng file?
> In that case I should take this issue to the exiv2 maintainers.
>
> Gerhard