https://bugs.kde.org/show_bug.cgi?id=468830
Bug ID: 468830
Summary: Metadata is lost after write operation when the size
of XMP JPEG segment is larger than 65535 bytes when
using Exiftool backend
Classification: Applications
Product: digikam
Version: 8.0.0
Platform: Other
OS: Other
Status: REPORTED
Severity: grave
Priority: NOR
Component: Metadata-Engine
Assignee: digikam-bugs-n...@kde.org
Reporter: jose_oli...@hotmail.com
Target Milestone: ---
SUMMARY
***
Metadata is lost after write operation on certain image files when the size of
XMP JPEG segment is larger than 65535 bytes.
***
STEPS TO REPRODUCE
1. Launch Digikam.
2. Enable use of Exiftool for all backend opeations.
3. Open attached sample file "test_before.jpg".
4. In Digikam, add caption: "This is a test" and click to apply changes to
file (write to metatada).
OBSERVED RESULT
- EXIF, XMP and IPTC metadata is erased.
EXPECTED RESULT
- Existing metadata preserved, and file modifications written to file.
SOFTWARE/OS VERSIONS
Windows 11
ADDITIONAL INFORMATION
- Refer to attached DebugView log:
Cannot export changes with Exiv2 backend: (Error # 37 : "Size of XMP JPEG
segment is larger than 65535 bytes"
00000471 106.79980469 [44080] digikam.metaengine: ExifTool "Apply
Changes EXV" "-xmp:all= -exif:all= -iptc:all= -TagsFromFile
C:\\Users\\jmoli\\AppData\\Local\\Temp\\MetaEngine-HRkVhC-8187ffd8.exv -all:all
-codedcharacterset=UTF8 -TagsFromFile @ -makernotes -overwrite_original
D:\\Users\\Jose\\OneDrive\\Pictures\\Stagging\\2023-04-00 Spain-Greece\\02
Madrid\\Catedral\\test\\Test_before.jpg"
00000472 106.97925568 [44080] digikam.metaengine:
ExifToolProcess::readOutput(): ExifTool command completed
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