https://bugs.kde.org/show_bug.cgi?id=515664
Bug ID: 515664
Summary: Wrong Exif orientation in stored image files when auto
rotateing
Classification: Applications
Product: digikam
Version First 8.8.0
Reported In:
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Metadata-Orientation
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
This bug happens when auto rotating images according to their exif rotation
while using xmp-sidecars. It's triggered by importing images from
camera/storage or using Item/Rotate/Auto rotate.
Step to reproduce
1.) Configure Digikam as follows
Metadata/Sidecars/Reading and Writing to Sidecars
[x] Read from sidecar files
[x] Write to sidecar files
=> Write to XMP sidecar only
Metadata/Behavior/Reading and Writing Metadata
[x] Use lazy synchronization
[x] update filemod. timestamp ...
[x] Rescan file...
2.) Import an image with exif orientation = 6 (CW)
(6 is just an example, the bug generally happens with orientations != 1)
- Image data is rotated according original exif rotation and image file is
saved
- Exif data of saved image file still contains old - now invalid - orientation
=> Data inside the image is rotated to 1 (Normal)
=> New image is saved still with Exif orientation 6 (CW)
- (only) the corresponding xmp File contains the now correct exif rotation
value 1 = normal
result:
- Digikam still displays the image in correct orientation, either due to
caching or only evaluating only the xmp file - to make digikam display the
image in the now wrong orientation, the .xmp has to be deleted and then the
metadata must be re-read from the image
- other image viewers which ignore the xmp file show the image rotated once
more => that's odd.
As a workaround, the wrong metadata can be easily fixed using
exiftool -P -n -Orientation=1 -overwrite_original FILENAME.JPG
Version Info:
digiKam: 8.8.0
KDE Frameworks: 6.22.0
Qt: Using 6.10.1 and built against 6.10.1
openSUSE Tumbleweed (Xcb)
Build ABI: x86_64-little_endian-lp64
Kernel: linux 6.17.9-1-default
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