[Digikam-devel] [Bug 301483] New: sigma raw files and preview (.x3f)

[Danni Coy]

https://bugs.kde.org/show_bug.cgi?id=301483

            Bug ID: 301483
          Severity: normal
           Version: 2.6.0
          Priority: NOR
          Assignee: digikam-devel at kde.org
           Summary: sigma raw files and preview (.x3f)
    Classification: Unclassified
                OS: Linux
          Reporter: danni.coy at gmail.com
          Hardware: Compiled Sources
            Status: UNCONFIRMED
         Component: RAW files management
           Product: digikam

Sigma raw files for newer cameras eg Sigma SD1 are not supported by dcraw or
digikam. However these files contain embedded jpeg files for previewing (which
are already used to get the image thumbnails); It would be useful if these
embedded jpegs could also be used for previewing the image to look at details
that are visible from the thumbnail.

Reproducible: Always

Steps to Reproduce:
1. click on sigma raw image (x3f) to preview.
2.
3.
Actual Results:  
image shows up looking like a bunch of noise (libkraw does not decode the image
correctly).

Expected Results:  
a reduced size preview of the image should appear.

actually I wouldn't mind if this behaviour was changed for all sigma cameras.
DCRaw has a hard time with the files it does support (the jpeg previews usually
look better than what it produces).

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