[digikam] [Bug 376124] New: Some Photos are not previewed

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https://bugs.kde.org/show_bug.cgi?id=376124

            Bug ID: 376124
           Summary: Some Photos are not previewed
           Product: digikam
           Version: 5.4.0
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Preview
          Assignee: [hidden email]
          Reporter: [hidden email]
  Target Milestone: ---

Created attachment 103873
  --> https://bugs.kde.org/attachment.cgi?id=103873&action=edit
Photo which does not show a preview in DigiKam or Dolphin (but works fine in
GwenView)

Some images created by my phone do not show a preview icon in the album view.
When clicking on the image, it also does not open.

Admittedly some of these images are large, and this bug appears to be related
to bug 328090. However, I have a 3.4mb file that also does not load in both
DigiKam and Dolphin, but loads fine in Gwenview. So, it is not related to
filesizem and that bug.

I am adding an example photo as an attachment to this bug.

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--- Comment #1 from [hidden email] ---
Which Linux system do you use ? digiKam is installed by a system package ?

Gilles Caulier

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--- Comment #2 from Maik Qualmann <[hidden email]> ---
I think this JPEG is broken, yes Gwenview opens it. But Gimp, Krita, Okular,
and others do not. Here are the error messages from the QImage loader:

Invalid SOS parameters for sequential JPEG
Unsupported marker type 0xbe

Maik

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--- Comment #3 from Evert Vorster <[hidden email]> ---
Hi there.

Since this image is opened without fault on other operating systems, it may be
that I need to file this bug against QImage

Kind regards,
Evert

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--- Comment #4 from [hidden email] ---
No. It's not a QImage problem, because we use a dedicated JPEG loader in
digiKam.

Perhaps this case of broken JPEG is not handle in DK JPEGLoader.cpp

Gilles Caulier

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--- Comment #5 from Evert Vorster <[hidden email]> ---
ImageMagick also opens the file, even though it complains about the same
errors:

[evert@Vorster 2017-01 TDT Derig]$ display 20170104_084136.jpg
display: Invalid SOS parameters for sequential JPEG `20170104_084136.jpg' @
warning/jpeg.c/JPEGWarningHandler/352.
display: Corrupt JPEG data: 194 extraneous bytes before marker 0xbe
`20170104_084136.jpg' @ warning/jpeg.c/JPEGWarningHandler/352.
display: Unsupported marker type 0xbe `20170104_084136.jpg' @
warning/jpeg.c/JPEGErrorHandler/319.
[evert@Vorster 2017-01 TDT Derig]$

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