[Bug 131641] New: CR2 thumbnails not shown in camera GUI, no exif information available

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http://bugs.kde.org/show_bug.cgi?id=131641         
           Summary: CR2 thumbnails not shown in camera GUI, no exif
                    information available
           Product: digikam
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: Camera GUI
        AssignedTo: digikam-devel kde org
        ReportedBy: gerhard kulzer net

Version:           0.9 svn (using KDE Devel)
Installed from:    Compiled sources
OS:                Linux

In the camera GUI, only jpg file thumbnails are shown and no thumbnails are shown in the cr2 files. This is
tested with EOS 350D and 30D.

Furthermore there are no image properties or exif data available when selecting the appropriate
sidebars. Once the cr2 are downloaded all is well, thumbnails are visible and exif data is complete.

I presume the two bugs has the same root cause, since the exif data cannot be read, the embedded thumbnail is
not available either.

The following error messages are produced in a shell from which digiKam was launched:

digikam: Cannot parse EXIF metadata using Exiv2
digikam: [static Digikam::DImg::FORMAT Digikam::DImg::fileFormat(const QString&)] Failed to open file
digikam: [static Digikam::DImg::FORMAT Digikam::DImg::fileFormat(const QString&)] Failed to open file
digikam: Size of Exif metadata from camera = 20
digikam: Exif header found at position 0