[Digikam-devel] [digikam] [Bug 337422] New: Embedded Thumbnail EXIF data not updated when writing metadata to image
michele at soccio.it
Sun Jul 13 18:58:29 BST 2014
Bug ID: 337422
Summary: Embedded Thumbnail EXIF data not updated when writing
metadata to image
Assignee: digikam-devel at kde.org
Reporter: michele at soccio.it
After adjusting the date of some photos to subtract 6 hours, the EXIF data of
the image and of the embedded thumbnail (directly embedded by the camera) are
not the same.
The image EXIF data are fine and reflect the update I have done, whilst the
thumbnail data are untouched and are still aligned to the original time.
Please refer to the attached URL for the example.
Steps to Reproduce:
1. Select an image with an embedded thumbnail
2. Image -> Adjust Time and Date...
3. Subtract 6 hours (for example), then press apply
4. Image -> Write metadata to image (first make sure the option to write the
metadata timestamp to the image is ticked)
The image and the Embedded Thumbnail have different timestamp
Embedded Thumbnail has same timestamp as the image
Screenshot with the problem in Digikam:
I am flagging the severity as "Normal" as there is no easy workaround: Shotwell
is using the thumbnail data for some (strange) reason, and although you could
remove the thumbnail or update it using 'exiftool', this is something that only
a power user could be able to achieve.
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