[Bug 244097] New: When importing Nikon raw (.NEF) files, if highlights are "rebuild", "auto-brightness" has no effect

[Cristian Tibirna]

https://bugs.kde.org/show_bug.cgi?id=244097

           Summary: When importing Nikon raw (.NEF) files, if highlights
                    are "rebuild", "auto-brightness" has no effect
           Product: digikam
           Version: 1.3.0
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: RAW files management
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.3.0 (using KDE 4.4.4)
OS:                Linux

The title says it all. I now have digikam 1.2 in kde 4.4.5 (compiled by
openSUSE) (I tried 1.3, but it misses some library symbol and thus doesn't
start).

The observed problem is that enabling auto-brightness (which is very useful
with 16 bit raw files) does do auto-regulation of brightness ONLY if highlight
overblowing is set on anything else but "Rebuild". If rebuild is chosen, no
matter what level, images are imported darkened, brightness is not
auto-regulated.

Thanks for an excellent product!

Reproducible: Always

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=244097


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
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                 CC|                            |[hidden email]




--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2010-07-10 08:00:20 ---
1/ give me a NEF file to test there.

2/ give me the libkdcraw and libraw version that you use. go to Help/Component
info for details

3/ enable debug trace, running kdebugdialog and selecting digikam and libkdcraw
from the list. Run digikam from a console, process your NEF file, and copy and
paste all messages there

Gilles Caulier

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[Cristian Tibirna]

https://bugs.kde.org/show_bug.cgi?id=244097





--- Comment #2 from Cristian Tibirna <tibirna kde org>  2010-07-10 23:09:52 ---
Thanks for replying.

1) see http://cristian.tibirna.org/sandbox/D3C_1196.NEF (file is too big for
the bug system)

2)
digiKam version 1.2.0
LibKDE: 4.4.5 (KDE 4.4.5) "release 270"
LibKdcraw: 1.0.0
LibQt: 4.6.3
LibRaw: 0.8.5
LibKipi: 1.0.0

3) see next attachment.

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[Cristian Tibirna]

https://bugs.kde.org/show_bug.cgi?id=244097





--- Comment #3 from Cristian Tibirna <tibirna kde org>  2010-07-10 23:11:21 ---
Created an attachment (id=48757)
 --> (http://bugs.kde.org/attachment.cgi?id=48757)
digikam log for raw import with not functioning autobrightness

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[Gilles Caulier-4]

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--- Comment #4 from Gilles Caulier <caulier gilles gmail com>  2011-12-15 13:09:59 ---
Cristian,

This file still valid using digiKam 2.x serie ?

Gilles Caulier

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--- Comment #5 from Cristian Tibirna <tibirna kde org>  2011-12-15 14:29:29 ---
Yes :-( And the problem also exists for "highlights=Unclip". Only
"highlights=blend" and "highlights=solid white" allow for "auto brightness" to
work as expected.

The .NEF attached is still useable for testing.

Currently, my local version of digikam is 2.3.0, libkdraw is 2.0 and libraw is
0.13.5.

Thank you!

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[Gilles Caulier-4]

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--- Comment #6 from Gilles Caulier <[hidden email]> ---
Cristian,

A lots of change have been done into libkdcraw and libraw published with
digiKam 3;x serie. It will be nice to check if problem is reproducible with
last digiKam 3.5.0.

Thanks in advance

Gilles Caulier

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[Cristian Tibirna]

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--- Comment #7 from Cristian Tibirna <[hidden email]> ---
Gilles, the problem is still reproducible with digikam-4 beta 1. Exactly same
details (as above).

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|1.3.0                       |4.0.0-beta1

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--- Comment #8 from Gilles Caulier <[hidden email]> ---
Christian,

I recommend to try to use last digiKam 4.2.0 AND last libraw 0.16.0 to see if
bug still reproducible...

Gilles Caulier

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|When importing Nikon raw    |When importing .NEF files,
                   |(.NEF) files, if highlights |if highlights are
                   |are "rebuild",              |"rebuild",
                   |"auto-brightness" has no    |"auto-brightness" has no
                   |effect                      |effect

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|4.0.0-beta1                 |4.0.0

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--- Comment #9 from Gilles Caulier <[hidden email]> ---
Christian,

What's new about this file using digiKam 4.10.0 and Libraw 0.16.x ?

Gilles Caulier

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Gilles Caulier <[hidden email]> changed:

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

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[Cristian Tibirna]

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Cristian Tibirna <[hidden email]> changed:

           What    |Removed                     |Added
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         Resolution|WAITINGFORINFO              |WORKSFORME

--- Comment #10 from Cristian Tibirna <[hidden email]> ---
Thanks for the heads up.

The reconstruction is now correct with all combinations of "highlights" and
"auto brightness" (on or off).

Thanks a lot for the great work.

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |4.11.0

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           What    |Removed                     |Added
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          Component|Raw-Workflow                |ImageEditor-RawImport

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