[digiKam-users] exiv2 corrupted image metadata

[Hans-Peter Huth]

On Sun, 21 Nov 2021 20:32:13 +0100
Gilles Caulier <caulier.gilles at gmail.com>
wrote:

> Exiv2 is  a C++ low level library
> ExifTool is a Perl CLI tool.
> 
> Implementations are completely different and not dependent.

Yes, shure. But isn't this a hint that the image as such is correct? Or is
Exiftool more tolerant against errors?

HP
> 
> Gilles Caulier
> 
> 
> 
> Le dim. 21 nov. 2021 à 19:41, Hans-Peter Huth
> <hans-ph at web.de> a écrit :
> 
> > On Sun, 21 Nov 2021 16:10:52 +0100
> > Maik Qualmann <metzpinguin at gmail.com>
> > wrote: 
> > > I have downloaded about 10 sample images of the Sony A77II from the
> > > web, none of them have the problem. It is possible that a few bits
> > > "fell over" during the transfer or on the SD card. Maybe the previous
> > > version of Exiv2 was more tolerant.  
> >
> > Well, could be, but why then exiftool seems to work correctly?
> >
> > I'll report to exiv2 as you proposed.
> >
> > HP
> >  
> > >
> > > Maik
> > >
> > > Am Sonntag, 21. November 2021, 15:42:39 CET schrieben Sie:  
> > > > I can reproduce the problem with my native digiKam version, same
> > > > error message. A test with the AppImage from digiKam-7.3.0, which
> > > > contains a slightly older version of Exiv2, shows no problems with
> > > > the image. A test with the Exiv2 CLI tool shows the same error
> > > > message. Since the problem can be reproduced well with the CLI tool
> > > > from Exiv2, report the problem with the test image to Exiv2 on
> > > > Github.
> > > >
> > > > Maik
> > > >
> > > > Am Sonntag, 21. November 2021, 14:25:19 CET schrieb Hans-Peter
> > > > Huth:  
> > > > > On Sun, 21 Nov 2021 13:56:14 +0100
> > > > > Gilles Caulier
> > > > > <caulier.gilles at gmail.com>
> > > > >
> > > > > wrote:  
> > > > > > Same here under Linux Mageia and Centos. No problem with Sony
> > > > > > and Fuji JPEGs.
> > > > > >
> > > > > > Best  
> > > > >
> > > > > So probably really a Manjaro issue. If Maik doesn't have a better
> > > > > idea, i'll post a question into the Manjaro forum.
> > > > >
> > > > > HP
> > > > >  
> > > > > > Gilles
> > > > > >
> > > > > > Le dim. 21 nov. 2021 à 13:06, Maik Qualmann
> > > > > >
> > > > > > <metzpinguin at gmail.com> a écrit :
> > > > > >  
> > > > > > > I'm here on openSUSE Tumbleweed also on Exiv2-0.27.5 and can't
> > > > > > > find any
> > > > > > > problems. Can you send a corresponding image to my private
> > > > > > > mail, from which
> > > > > > > metadata can no longer be read?
> > > > > > >
> > > > > > > Maik
> > > > > > >
> > > > > > > Am Sonntag, 21. November 2021, 12:31:12 CET schrieb Hans-Peter
> > > > > > > Huth:  
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > after the last Manjaro stable update (i didn't notice this
> > > > > > > > before), reading exif meta data seems to go wrong. Some
> > > > > > > > images (JPGs) do not show any EXIF data.
> > > > > > > >
> > > > > > > > Starting digikam from the commandline, it says:
> > > > > > > >       digikam.metaengine: Cannot load metadata from file
> > > > > > > > with Exiv2 backend:
> > > > > > > >  
> >  /home/hph/Fotos/digicam/2021/November/2021-11-20/DSC01215.JPG  
> > > > > > > >       (Error # 59 :  "corrupted image metadata"
> > > > > > > >
> > > > > > > > seems to be an issue with exiv2 which brings
> > > > > > > >
> > > > > > > >       Exiv2 exception in print action for file
> > > > > > > >  
> >  /home/hph/Fotos/digicam/2021/November/2021-11-20/DSC01215.JPG:  
> > > > > > > >       corrupted image metadata
> > > > > > > >
> > > > > > > > exiv2 is Version 0.27.5
> > > > > > > >
> > > > > > > > exiftool (Version 12.30) however can read perfectly all
> > > > > > > > fields, so i  
> > > > > > >
> > > > > > > assume
> > > > > > >  
> > > > > > > > the images are ok.
> > > > > > > >
> > > > > > > > Is this caused by a exiv2 version which is too new? Any
> > > > > > > > ideas what to
> > > > > > > > do?
> > > > > > > >
> > > > > > > > HP  
> > >
> > >
> > >
> > >
> > >  
> >
> >
> > --
> > --------- 8< -------------
> > Why taunt me? Why upbraid me? I am merely a genius, not a god.
> > (Nero Wolfe)
> > Meine Bilder:
> > München: https://hp-bilder.jalbum.net/München/
> > Berge: https//hp-bilder.jalbum.net/Impressions%20of%20the%20Alps/
> >
> >
> >  
> 


-- 
--------- 8< -------------
Why taunt me? Why upbraid me? I am merely a genius, not a god.
(Nero Wolfe)
Meine Bilder: 
München: https://hp-bilder.jalbum.net/München/
Berge: https//hp-bilder.jalbum.net/Impressions%20of%20the%20Alps/