[Bug 265726] New: Digikam doesn't detect lens type

[Romain Henriet]

https://bugs.kde.org/show_bug.cgi?id=265726

           Summary: Digikam doesn't detect lens type
           Product: digikam
           Version: 1.8.0
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: minor
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.8.0 (using KDE 4.6.0)
OS:                Linux

I have DNG raw and JPG images made with Pentax K-x, and Digikam is not able to
read lens model.
However "exiftool image.DNG | grep Lens' gives correct information :
Lens Type                       : Tamron AF 17-50mm F2.8 XR Di-II LD (Model
A16)
Lens F Stops                    : 7
Lens ID                         : Tamron AF 17-50mm F2.8 XR Di-II LD (Model
A16)

Reproducible: Always

Steps to Reproduce:
Open a DNG or JPG image that have been taken with Pentax K-x

Actual Results:  
For DNG, Lens is "unavailable"
For JPG, Lens is "7 230 0 0"

Expected Results:  
Display lens model in photo's properties

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=265726


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--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2011-02-07 22:36:07 ---
Please provide file samples to test. Thanks in advance

Gilles Caulier

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[Romain Henriet]

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--- Comment #2 from Romain Henriet <romain pub laposte net>  2011-02-07 22:58:38 ---
Here are samples : http://dl.free.fr/rXix99Wa3

Thanks,
Romain

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--- Comment #3 from Gilles Caulier <caulier gilles gmail com>  2011-02-08 10:35:17 ---
Romain,

digiKam delegate lens info extraction to Exiv2 library.

With Exiv2 0.21, lens is detected from JPEG, but not with DNG.

http://www.flickr.com/photos/digikam/5427807052/sizes/o/in/photostream/

Lens information is hosted in Pentax makernotes. Makernotes are decoded
properly from JPEG, but not from DNG. This is the problem.

So, it's relevant of Exiv2 library. Please report it at Exiv2 bugzilla
(http://www.exiv2.org)

Gilles Caulier

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--- Comment #4 from Romain Henriet <romain pub laposte net>  2011-02-08 21:00:02 ---
ok, thank you

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--- Comment #5 from Gilles Caulier <caulier gilles gmail com>  2011-02-08 21:57:02 ---
Romain,

I see you entry :

Bug #758: Exiv2 doesn't detect lens model in Pentax k-x DNG files
http://dev.exiv2.org/issues/758

Let's me hear when this entry will be fixed to test with digiKam

Gilles Caulier

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--- Comment #6 from Romain Henriet <romain pub laposte net>  2011-02-08 21:59:09 ---
ok, no problem

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--- Comment #7 from Gilles Caulier <caulier gilles gmail com>  2011-12-17 09:26:10 ---
Romain,

What's new about this file ? It still valid using digiKam 2.x serie ?

Gilles Caulier

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--- Comment #8 from Romain Henriet <romain pub laposte net>  2011-12-17 11:45:44 ---
Yes, I have Digikam 2.3.0 and lens is still "Unavailable".
(Libexiv is 0.21).

Romain

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Gilles Caulier <[hidden email]> changed:

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

--- Comment #9 from Gilles Caulier <[hidden email]> ---
I close this file as UPSTREAM, as it's fully relevant of Exiv2 shared lib...

Gilles Caulier

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