[digikam] [Bug 319492] New: import seems to loose/modify jpeg EXIF information

[georg.lipps]

https://bugs.kde.org/show_bug.cgi?id=319492

            Bug ID: 319492
           Summary: import seems to loose/modify jpeg EXIF information
    Classification: Unclassified
           Product: digikam
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Import
          Assignee: [hidden email]
          Reporter: [hidden email]

I observed a very strange behaviour using digikam together with hugin.

workflow:
jpegs imported from camera with digikam, creation of panoramas wih hugin on
these files, panorama jpeg exif only contains limited information: section file
properties (name, owner etc.), picture properties (color depth etc.)

If pictures are transferred directly from camera to computer via Nautilus and
the panorama is created the EXIF information is complete: It now contains
section on photo such as time taken, camera model and also the  information
inserted by hugin which projection was used. All this information is displayed
correctly in digikam.


Reproducible: Always

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=319492

Gilles Caulier <[hidden email]> changed:

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                 CC|                            |[hidden email]

--- Comment #1 from Gilles Caulier <[hidden email]> ---
Which digiKam version you use ?

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[georg.lipps]

https://bugs.kde.org/show_bug.cgi?id=319492

--- Comment #2 from [hidden email] ---
Created attachment 79766
  --> https://bugs.kde.org/attachment.cgi?id=79766&action=edit
screen shot of the good case (the last two sections are missing in the other
case)

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[georg.lipps]

https://bugs.kde.org/show_bug.cgi?id=319492

--- Comment #3 from [hidden email] ---
It is version 2.8 only, I guess the newest one ready for Ubuntu

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[georg.lipps]

https://bugs.kde.org/show_bug.cgi?id=319492

[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEEDSINFO
         Resolution|---                         |WAITINGFORINFO

--- Comment #4 from [hidden email] ---
I found (my) mistake. Hugin generate the picture in a folder already included
in a collection of  digikam. It seems there is no automatic meta data screening
when new picture are detected upon start-up (Or is there an option to turn it
on ????).
I manually choose reread metadata from pictures and there we go ...

Greetings,

Georg

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=319492

--- Comment #5 from Gilles Caulier <[hidden email]> ---
New digiKam 4.11.0 is available :

https://www.digikam.org/node/740

Can you reproduce the problem with this release ?

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[georg.lipps]

https://bugs.kde.org/show_bug.cgi?id=319492

--- Comment #6 from [hidden email] ---
Dear Gilles,

I am now on 4.11.

The problem somehow persists. I played around a bit.

Case 1: Hugin panorama is generate while digikam is not running:
==> New pic is shown, all Metadata shows up correctly (Dateieigenschaften,
Eigenschaften für Einträge, Fotoeinträge, digikam-Einstellungen [in the latter
the projection information added by higin]

Case 2: Hugin panorama is generated while digikam is running:
==> New pic is shown, Metadata is incomplete (shows only Dateieigenschaften,
Eigenschaften für Einträge), date shown below pic is wrong (date of file
generation of this panorama)
When initiating manually to reread meta data, Metadata is updated and nearly
complete
 (Dateieigenschaften, Eigenschaften für Einträge, digikam-Einstellungen but
missing Fotoeinträge) date is correct
digikam is closed and started again
Now metadata is complete again (identical to case 1)

Case 3:  Hugin panorama is generated while digikam is running:
as above but no manual rereading of metadata
digikam is closed and started again
Metadata is unchanged (incomplete, wrong date) as before closing digikam

Hope this helps - there seems to be only a partial meta data updating when
pictures appear while digikam is running.

Greetings,

Georg

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Import                      |Metadata
            Version|unspecified                 |4.11.0

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Metadata                    |Import
             Status|NEEDSINFO                   |UNCONFIRMED
         Resolution|WAITINGFORINFO              |---

--- Comment #7 from Gilles Caulier <[hidden email]> ---
re-opened

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Import                      |Metadata

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[bugzilla_noreply]

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--- Comment #8 from [hidden email] ---
This file still valid using last digiKam 5.0.0 ?

Gilles Caulier

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[bugzilla_noreply]

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--- Comment #9 from [hidden email] ---
Hi Gilles,

have not updated yet. Just now installed with philip ppa.

First impression is good. Short question: Digikam5 will not use the settings
made in digikam4? And will build a new sql database?

I will report on the issue after some testing.

Georg

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[bugzilla_noreply]

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--- Comment #10 from [hidden email] ---
Some first test show that problem is still present:

Digikam was running
HDR processing in the background
New pictures appear in album
Metadate incompletely read (see first attachment)

digikam closed and reopened

Metadata stlll incomplete and timestamp of date of creation

Upon item rereading metadata complete date is shown (see second attachment)

I also include a picture of my settings.

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           What    |Removed                     |Added
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            Version|4.11.0                      |5.0.0

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--- Comment #11 from [hidden email] ---
Created attachment 100076
  --> https://bugs.kde.org/attachment.cgi?id=100076&action=edit
pictures freshly generated while running digikam

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--- Comment #12 from [hidden email] ---
Created attachment 100077
  --> https://bugs.kde.org/attachment.cgi?id=100077&action=edit
after rereading meta date for this single picture

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--- Comment #13 from [hidden email] ---
Created attachment 100078
  --> https://bugs.kde.org/attachment.cgi?id=100078&action=edit
my settings (which might be important)

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--- Comment #14 from [hidden email] ---
What's about this file using digiKam AppImage bundle 5.4.0 pre release given at
this url :

https://drive.google.com/drive/folders/0BzeiVr-byqt5Y0tIRWVWelRJenM

Gilles Caulier

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[bugzilla_noreply]

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--- Comment #15 from [hidden email] ---
Hi Gilles,

I tested the case again.

A HDR and four LDR are generated while digikam is running (5.30 and 5.40
appimage).

The new pictures are seen upon creation. Metadata is incomplete (only section
File properties and properties of picture (jpg, size, etc.). Date shown is new
creation date.

Upon manual rereading of metadata: Date is corrected to date from EXIF (which
is set by my script to the EXIF date from the underlying picture stack) and
keyword HDR (which my script adds) is displayed under section digikam
properties.

Section picture properties (camera model and the other EXIF data) only
reappears upon restarting digikam.

Identical behaviour is seen for both versions.

Hope this helps in finding the bug.

Georg

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           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|5.0.0                       |5.4.0

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