[Digikam-devel] [digikam] [Bug 317943] (Auto) rotate/flip using EXIF Information destroys pictures

[bbc.quincy at gmx.de]

https://bugs.kde.org/show_bug.cgi?id=317943

bbc.quincy at gmx.de changed:

           What    |Removed                     |Added
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                 CC|                            |bbc.quincy at gmx.de

--- Comment #22 from bbc.quincy at gmx.de ---
Not really news, but just to push the really critical bug (backup of raw images
is essential, otherwise data loss occurs) to a "confirmed" status:

Using a similar configuration as Reinhard Biegel I'm also on Gentoo x86_64 with
digikam-3.1.0, images on ext4 FS, but libjpeg-turbo-1.2.1 and experiencing
similar problems. I'm rotating groups of selected pictures via shortcut and
images get destroyed in various ways as described above (size 0, reduced or
even increased). Rotating larger amounts of images at the same time seems to
make the problem worse, as until now I could not reproduce the error while
rotating single files.

Interestingly not the pictures being reported as "JPEG transform failed" but
others are destroyed. For example I rotated 6 pictures at the same time (58,
60, 61, 62, 63, 64), 60 and 61 were reported as failed, but 58, 60, 61 and 62
have been rotated, 63 and 64 have been destroyed. 63 has zero size, 64 is now
about 75% larger than before (concatenated data of 63?). Additionally there is
a temporary file of 61 with digikams PID as suffix leftover.

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