[Bug 266593] New: Wrong thumbnails with new camera

[Simon-2]

https://bugs.kde.org/show_bug.cgi?id=266593

           Summary: Wrong thumbnails with new camera
           Product: digikam
           Version: 1.9.0
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.9.0 (using KDE 4.5.5)
OS:                Linux

I'm getting wrong thumbnails once again. This time it is kind of weird since I
previously shot with a D90 and now with a D7000; nearly all thumbnails are
wrong.

Strange: One image is e.g. DSC_7738.JPG. When I search for this image I get two
results, one the D7000 image  with a wrong thumbnail and a second image from
the D90 which is completely different. (The thumbnail cannot come from this
one.)

Any hint on how to debug this?

(And, will the download/compile instructions occasionally be updated for git?)

Reproducible: Sometimes




OS: Linux (x86_64) release 2.6.37-0.slh.7-aptosid-amd64
Compiler: cc

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[Simon-2]

https://bugs.kde.org/show_bug.cgi?id=266593





--- Comment #1 from Simon <simon eu gmail com>  2011-02-18 14:23:33 ---
Perhaps the problem is related to my workflow? I always copy the images into
one folder called «new» and sort them when I have time for it. The image whose
thumbnail is incorrectly displayed on DSC_7738.JPG has been in this folder as
well some weeks ago.

Found the old bugs btw:
#217422
#233222

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[Simon-2]

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--- Comment #2 from Simon <simon eu gmail com>  2011-02-18 14:30:54 ---
Additional information:
* The file size is shown correctly.

For a different file, DSC_7784.JPG:
SELECT * FROM IMAGES WHERE name LIKE '%DSC_7784.JPG';
4058|103|DSC_7784.JPG|1|1|2010-04-15T18:24:04|2444724|809a56d68abe1a307f18c6475a2b9e68
18154|241|DSC_7784.JPG|1|1|2009-06-17T12:43:50|1679033|8143ae40268d035cd47a90f951e70c50
43973|462|2011-01-07-DSC_7784.JPG|1|1|2011-01-07T17:37:56|2114032|ea82a64dae71d7ddd2f3d950e0910ecd
45059|85|DSC_7784.JPG|1|1|2010-02-16T19:32:12|2857274|1c03ae71339910df1d7e88e78e1d4eea

The image search returns these four images, three of them with correct
thumbnails, the newest one (I just noticed that I set the camera date
incorrectly, it should be 2011-02-16) with an incorrect thumbnail from
2011-01-07-DSC_7784.JPG. (I started to rename files based on their date to
maintain a total order on the file names.)

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[Simon-2]

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--- Comment #3 from Simon <simon eu gmail com>  2011-02-18 14:35:37 ---
… so now I changed the timestamp via Image > Adjust Time & Date.
The thumbnails have been updated and are correct now.

Is it possible that the thumbnail generation process is skipped (based on some
conditions) when digikam detects a new image, and an already existing one (and
hopefully correct one) is used instead? Perhaps these conditions could/should
be checked?

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=266593


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]
          Component|general                     |Thumbnails




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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=266593





--- Comment #4 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-04-18 21:55:56 ---
The criteria for "identical file" is hash+file size. From your db excerpt, it
seems the hash is (correctly) different for each file, so this cannot be the
explanation.
Is there any pattern how you can reliably reproduce the problem?

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--- Comment #5 from Simon <simon eu gmail com>  2011-05-31 18:49:58 ---
Not yet. But today I renamed several images to have unique names
(yyyy-MM-dd-filename), and again wrong thumbnails.

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--- Comment #6 from Gilles Caulier <caulier gilles gmail com>  2011-12-19 13:57:01 ---
Simon,

This file still valid using digiKam 2.4 ?

Gilles Caulier

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[Marcel Wiesweg]

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Marcel Wiesweg <[hidden email]> changed:

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

--- Comment #7 from Marcel Wiesweg <[hidden email]> ---
Please update your database to use the new hash generation (bottom of database
tab in settings) if retesting

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[Gilles Caulier-4]

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--- Comment #8 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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[Gilles Caulier-4]

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--- Comment #9 from Gilles Caulier <[hidden email]> ---
digiKam 4.12.0 is out :

https://www.digikam.org/node/741

We need a fresh feedback using this release please...
Thanks in advance.

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[Simon-2]

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--- Comment #10 from Simon <[hidden email]> ---
I will test as soon as possible (may take some time as I first need to upgrade
my distribution …).

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[bugzilla_noreply]

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[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |5.1.0
         Resolution|WAITINGFORINFO              |FIXED

--- Comment #11 from [hidden email] ---
With digiKam 5.0.0, this problem is not reproducible.
I close this file now. Don't hesitate to re-open if necessary.
Gilles Caulier

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