[Digikam-devel] [digikam] [Bug 312999] New: many pictures not shown in preview and slideshow, program crashes

[boogiedownde at yahoo.de]

https://bugs.kde.org/show_bug.cgi?id=312999

            Bug ID: 312999
           Summary: many pictures not shown in preview and slideshow,
                    program crashes
    Classification: Unclassified
           Product: digikam
           Version: 3.0.0
          Hardware: MS Windows
                OS: MS Windows
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: Preview
          Assignee: digikam-devel at kde.org
          Reporter: boogiedownde at yahoo.de

pictures that are shown as thumbnails fail to be loaded in preview and
slideshow (says "failed to load image"). The pictures are jpegs, of the same
size and shot with the same camera as the other ones which are shown perfectly
correct. For some of them, digikam shows a strange zoom-number in the
size-dropdown down on the right  (something like "-8574683647464%"), but not
for all. Changing the zoom-factor doesn't help. Program often crashes when
trying to show a slideshow. 

Reproducible: Always

Steps to Reproduce:
1. Click on a picture to open it in preview
2. For some it works, for others (maybe about every third one??), program fails
to load, although thumbnail was there
3. Not sure what exactly I have to do to crash the program, I think mostly it's
the slideshow
Actual Results:  
Many of the pictures are not shown, mostly jpegs (not sure if this also goes
for other formats).

Expected Results:  
See what I saw in the thumbnails, but larger.

Win XP, digikam 3.0.0. RC, large library (>20.000 pictures, mostly jpeg, some
large tiffs, some cr2.

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