[digiKam-users] digikam shows wrong create time in thumbnail view - replicable for one user, not for a different one

[Gilles Caulier]

Hi,

This is an old behavior that i coded few years ago. There are many many
tags relevant of date time in Exif (and also IPTC and XMP)

Typically, i preserved a date time tags with "original" shot date when user
patch a wrong time stamp in metadata, just in case. this one must never be
used in DK database while scanning.

I currently working in 6.0.0 source code to review all metadata engine and
i will drop this feature definitively as this can introduce side effects.

Please report this problem in bugzilla (or look if one do not already
exist), and comment inline.

Thanks in advance.

Gilles Caulier

2018-04-22 9:19 GMT+02:00 B.M. <b-misc at gmx.ch>:

> Dear all,
>
> I have a somehow strange problem: wrong Created Times are shown,
> replicable,
> but only for a certain user.
>
> Since at least a week or so, digikam shows "wrong" times in thumbnail
> view,
> which results in a wrong sorting.
>
> E.g. I have a picture which shows 02.03.12 01:00
> The properties tab on the right shows Created 02.03.12 01:00 (wrong)
> The metadata tab shows for EXIF:
>   Date and Time 02.03.12 13:53:45 (correct)
>   Date and Time (digitized) 02.03.12 13:53:45 (correct)
>   Date and Time (original) 02.03.12 01:00:00 (wrong)
> for IPTC:
>   Date Created 2012-03-02
>   Digitization Date 2012-03-02
>   Time Created 13:53:45+00:00 (correct)
>
> Interestingly, if I look at my different album folders, not all pictures
> are
> affected; in typical folders, about 30 - 60% show wrong times. Most
> folders
> are affected, but not all.
>
> The wrong times is 01:00:00 for most of the pictures, but 02:00:00 is
> shown as
> well, other times are not shown. It seem to be folder-specific, i.e. in a
> certain album folder it's either 01:00:00 or 02:00:00.
>
> If I rebuild digikam's databases (by renaming the old ones) I get the same
> wrong times (especially the wrong one in the thumbnail view).
>
> But if I copy the image (and its xmp sidecar file) to a new (test) user on
> the
> same machine and he imports it (new digikam setup), the correct time
> (13:53)
> is shown for this different user.
>
> I realized this behaviour about a week ago but didn't use digikam for some
> weeks before. But I don't think this happened before (I'd noticed it), but
> if
> I look at different album folders I get the impression that and increasing
> number is affected. My system is Debian Stable, with digikam 5.3.0.
>
> If I check with exiftool, I correctly get
>   Date/Time Original              : 2012:03:02 13:53:45
>   Sub Sec Time Original           : 00
>   Date/Time Original              : 2012:03:02 13:53:45.00
> (but why is it reported twice?)
>
> All files are on the same disk.
>
> What could be the reason for this weird behavior? Thank you for your
> support!
>
> No, I didn't drink too much beer or wine for the current high temperatures
> here in continental Europe...
>
> Best regards,
> Bernd
>
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