[Bug 248942] New: Memory leak when using digikam Editor for Brightness/Contrast/Gamma

https://bugs.kde.org/show_bug.cgi?id=248942

           Summary: Memory leak when using digikam Editor for
                    Brightness/Contrast/Gamma
           Product: digikam
           Version: 1.2.0
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Image Editor
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.2.0 (using KDE 4.2.4)
OS:                Linux

When repeatedly using Brightness/Contrast/Gamma in the digikam editor, and then
moving for the next photo using PgUp/PgDown, the digikam main process (i.e. not
the editor) starts leaking memory

Reproducible: Always

Steps to Reproduce:
1. Start top to observe memory usage
2. Start digikam, and go to an album with lots of photos
3. click on first photo of album
4. Click Edit
5. Do a Brightness/Contrast/Gamma correction
6. Press PgDown to move to next photo
7. When prompted to save, save photo
8. Go to step 5.


Actual Results:  
Digikam starts using more and more memory. This is the main process, not the
editor.


Expected Results:  
Memory usage should stay roughly constant

OS: Linux (x86_64) release 2.6.32-23-generic
Compiler: cc

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[Martin Klapetek]

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Martin Klapetek <[hidden email]> changed:

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--- Comment #1 from Martin Klapetek <martin klapetek gmail com>  2010-08-24 23:26:05 ---
If possible, please update to newer version 1.3.0 or wait few days for 1.4.0 to
come out and please try again.

Also, does it happen only with BCG filter or with orhers too? Please try using
some other tools as well if you haven't already. Thanks.

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--- Comment #2 from Alain Knaff <kde kde lka org lu>  2010-08-24 23:39:45 ---
It seems to happen with "Free Rotation" and "Shear" as well, but to a lesser
extent.

It doesn't seem to happen with "Rotate Left" and "Rotate Right" (i.e. 90º
rotations)

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[Marcel Wiesweg]

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--- Comment #3 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-01-27 22:10:49 ---
I could not see a clear memory leak testing BCG with 2.0 from SVN right now.

I recommend to test with valgrind's massif:
valgrind --tool=massif digikam
Then trigger the memory usage. The massif.out.*  file can be inspected with
massif-visualizer, or attached here for this bug.
If there is really significant usage - like the memory climbing from 400 MB to
800 MB - then it is nicely visible.

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[Gilles Caulier-4]

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--- Comment #4 from Gilles Caulier <caulier gilles gmail com>  2011-11-24 10:32:39 ---
Alain,

It still valid for you with 2.x serie ?

Gilles Caulier

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Gilles Caulier <[hidden email]> changed:

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             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WAITINGFORINFO




--- Comment #5 from Gilles Caulier <caulier gilles gmail com>  2011-12-18 17:23:46 ---
Alain,

This file still valid using digiKam 2.4 ?

Gilles Caulier

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[Gilles Caulier-4]

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--- Comment #6 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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   Version Fixed In|                            |5.1.0
         Resolution|WAITINGFORINFO              |FIXED

--- Comment #7 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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