https://bugs.kde.org/show_bug.cgi?id=488565
Bug ID: 488565
Summary: Inconsistent DateTime Values and Lack of Time Zone in
Metadata Pane
Classification: Applications
Product: digikam
Version: 8.3.0
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Metadata-Date
Assignee: digikam-bugs-n...@kde.org
Reporter: ntd2521...@gmail.com
Target Milestone: ---
Created attachment 170544
--> https://bugs.kde.org/attachment.cgi?id=170544&action=edit
screenshots and metadata json
Summary
The metadata pane in digiKam displays inconsistent datetime values and does not
include time zone information for each datetime value. This can cause confusion
and inaccuracies when managing photos with metadata from different time zones.
Description
When viewing the metadata of videos in digiKam, the datetime values displayed
in the metadata pane are inconsistent. Some places show time in UTC, some
places show time at specific time zone (based on the actual time zone of that
video), some places don't have indication of the time zone. For example,
regarding to the created time of a video file (2023-01-21 15:51:54 +07:00),
opened in computer with time zone +08:00 (set in system time).
1. in EXIF tab:
- Date and Time: 2023:01:21 08:52:08
- Date and Time (digitized): 2023:01:21 08:51:54
- Date and Time (original): 2023:01:21 15:51:54
2. In IPTC tab:
- Date Created: 2023-01-21
- Digitization Date: 2023-01-21
- Digitization Time: 15:51:54+00:00
- Time Created: 15:51:54+00:00
3. In XMP tab
- CreationDate: 2023:01:21T15:51:54+07:00
- Date Created: 2023:01:21T15:51:54
- Create Date (basic schema): 2023:01:21T15:51:54
- Metadata Date (basic schema): 2023:01:21T15:51:54
- Modify Date (basic schema): 2023:01:21T15:51:54
- Date and Time Digitized: 2023:01:21T15:51:54
- Date and Time Original: 2023:01:21 15:51:54
- Date and Time (TIFF Properties): 2023:01:21T15:51:54
- Date and Time Digitized (XMP extended video schema): 2023:01:21T15:51:54
- Date and Time Original (XMP extended video schema): 2023:01:21T15:51:54
- Modication Date-Time: 2023:01:21T15:51:54
Steps to Reproduce
1. Open digiKam and import videos (maybe recorded in different time zones to
see it better).
2. Select a video and open the metadata pane.
3. Observe the datetime values displayed for the selected video in each
metadata tab.
Expected result
The datetime display values should be consistent and accurately reflect the
metadata embedded in the videos.
The datetime display values should include time zone information to clarify the
exact time and context in which the video was recorded.
The datetime display values should be converted based on specific time zone
where the computer is used.
Actual Behavior
The datetime display values are inconsistent.
Some datetime display values do not include time zone information, leading to
ambiguity.
SOFTWARE/OS VERSIONS
Windows: Windows 11 23H2 (OS Build 22631.3737)
digikam version: 8.3.0
Impact
Metatata pane of videos (potentially photos)
Suggested Solution
Ensure that datetime values displayed in the metadata pane are consistent and
included time zone information for each datetime value to provide clear context
and prevent ambiguity. It should be able to convert and display the
corresponding time based on the time zone of the computer, applied to any place
in the application that shows datetime values.
Thank you for your attention to this matter. Please let me know if you need any
additional information to help diagnose and resolve this issue.
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