[digiKam-users] Digikam-6.4.0 or 7.0.0.beta give : Unknown image format !!!

[Maik Qualmann]

The plugins are probably not found. Image loaders are now also plugins.

Activate debug output with:

export QT_LOGGING_RULES="digikam.*=true"

And post the console log from the start.

Maik

Am Dienstag, 31. März 2020, 21:06:16 CEST schrieb Bureau:
> Hello,
> After migration from version 6.3.0 to version 6.4.0 or 7.0.0.beta,
> I still see my thumbnails in digikam but I can no longer open them in
> the preview window.
> Showfoto doesn't work either.
> I launched digikam (and showfoto) from a terminal and each time I try to
> have a preview or open a photo I have a warning:
> 
> export QT_LOGGING_RULES="digikam*=true"
> digikam
> 
> digikam.general: Try to get preview from
> "/pub/multimedia/album/wissant/p5100273.jpg"
> digikam.general: Preview quality:  0
> digikam.general: Try to load DImg preview from:
> "/pub/multimedia/album/wissant/p5100273.jpg"
> digikam.dimg: "/pub/multimedia/album/wissant/p5100273.jpg" : Unknown
> image format !!!
> digikam.general: Cannot extract preview for
> "/pub/multimedia/album/wissant/p5100273.jpg"
> digikam.general: Stacked View Mode :  1
> digikam.general: Stacked View Mode :  1
> 
> #######
> 
> export QT_LOGGING_RULES="showfoto*=true"
> showfoto
> 
> digikam.showfoto: patterns= "*.bmp *.bw *.cur *.eps *.epsf *.epsi *.gif
> *.hdr *.icns *.ico *.kra *.mng *.ora *.pbm *.pcx *.pgm *.pic *.png *.ppm
> *.psd *.ras *.rgb *.rgba *.sgi *.svg *.svgz *.tga *.wbmp *.webp *.xbm
> *.xcf *.xpm *.tiff *.tif *.jpg *.jpeg *.jpe *.jp2 *.j2k *.jpx *.pgx
> *.pgf *.heic *.heif*.3fr *.arw *.bay *.bmq *.cine *.cr2 *.crw *.cs1
> *.dc2 *.dcr *.dng *.erf *.fff *.hdr *.ia *.k25 *.kc2 *.kdc *.mdc *.mef
> *.mos *.mrw *.nef *.nrw *.orf *.pef *.pxn *.qtk *.raf *.raw *.rdc *.rw2
> *.rwl *.sr2 *.srf *.srw *.sti *.x3f  *.BMP *.BW *.CUR *.EPS *.EPSF
> *.EPSI *.GIF *.HDR *.ICNS *.ICO *.KRA *.MNG *.ORA *.PBM *.PCX *.PGM
> *.PIC *.PNG *.PPM *.PSD *.RAS *.RGB *.RGBA *.SGI *.SVG *.SVGZ *.TGA
> *.WBMP *.WEBP *.XBM *.XCF *.XPM *.TIFF *.TIF *.JPG *.JPEG *.JPE *.JP2
> *.J2K *.JPX *.PGX *.PGF *.HEIC *.HEIF*.3FR *.ARW *.BAY *.BMQ *.CINE
> *.CR2 *.CRW *.CS1 *.DC2 *.DCR *.DNG *.ERF *.FFF *.HDR *.IA *.K25 *.KC2
> *.KDC *.MDC *.MEF *.MOS *.MRW *.NEF *.NRW *.ORF *.PEF *.PXN *.QTK *.RAF
> *.RAW *.RDC *.RW2 *.RWL *.SR2 *.SRF *.SRW *.STI *.X3F "
> digikam.geoiface: ----
> digikam.general: d->image is NULL
> digikam.general: d->image is NULL
> 
> 
> That is not only for *.JPG, other formats (*.png for exemple) give the
> same message.
> 
> digikam was compiled under linux as follow :
> 
> cmake  -DCMAKE_INSTALL_PREFIX=/usr    \
>         -DCMAKE_BUILD_TYPE=Release     \
>         -DBUILD_TESTING=OFF            \
>         -DENABLE_QWEBENGINE=ON         \
>         -DENABLE_INTERNALMYSQL=OFF     \
> -DImageMagick_Magick++_LIBRARY=/usr/lib/libMagick++-7.Q16HDRI.so \
>         -Wno-dev
> 
> Resulting in the following :
> 
> -- The C compiler identification is GNU 9.2.0
> -- The CXX compiler identification is GNU 9.2.0
> -- Check for working C compiler: /usr/bin/cc
> -- Check for working C compiler: /usr/bin/cc -- works
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - done
> -- Detecting C compile features
> -- Detecting C compile features - done
> -- Check for working CXX compiler: /usr/bin/c++
> -- Check for working CXX compiler: /usr/bin/c++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Detecting CXX compile features
> -- Detecting CXX compile features - done