477631 – digiKam cannot decode Nikon Z8/Z9 NEF images in the HE/HE* formats

Bug 477631 - digiKam cannot decode Nikon Z8/Z9 NEF images in the HE/HE* formats

Summary: digiKam cannot decode Nikon Z8/Z9 NEF images in the HE/HE* formats

Status:	REPORTED

Alias:	None

Product:	digikam
Classification:	Applications
Component:	Plugin-DImg-RAW (show other bugs)
Version:	8.3.0
Platform:	Microsoft Windows Microsoft Windows

Importance:	NOR normal
Target Milestone:	---
Assignee:	Digikam Developers

URL:
Keywords:

Depends on:
Blocks:

Reported:	2023-11-27 17:43 UTC by Edwin
Modified:	2024-04-28 09:13 UTC (History)
CC List:	3 users (show)

See Also:
Latest Commit:
Version Fixed In:

Attachments
ZIP files containing 2 folders fow Windows 10 and Ubuntu 22.04 LTS (429.47 KB, application/x-zip-compressed) 2023-11-27 17:43 UTC, Edwin	Details
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Description Edwin 2023-11-27 17:43:58 UTC

Created attachment 163548 [details]
ZIP files containing 2 folders fow Windows 10 and Ubuntu 22.04 LTS

SUMMARY
***
Digikam Version 8.1 Stable build in both Ubuntu 22.04 LTS (AppIMage install) and Windows 10 (EXE install) could not render the NEF file using "Image Editor". In Windows 10 with EXE installation, "Image Editor' states the error message "Cannot load "D:/DigikamToProcess/Nikon_Z9/NEF/_DSC0126.NEF". In Ubuntu 22.04 LTS with Digikam APPIMAGE installation, "ImageEditor" is also showing the error "Cannot decode RAW image '_DSC0126.NEF'".
***


STEPS TO REPRODUCE
1. Install Digikam 8.1 in Windows 10 and import a NIKON Z9 NEF, edit the NEF file using "Image Editor". Please see image file 
    "Untitled_00004_ImageEditor_NEF_UnableToLoad.png". During the second Install Process, Installation Windows stated
    Digikam 7.9 when I am installing Digikam 8.1? I totally uninstalled the first original 8.1 install in Windows 10 to ensure it is
    100% clean and the uninstall process stated "Deleted Digikam 7.9 files, please see image "Digikam_UnInstall_00017.png". 
    So what is Digikam 7.9 doing with Digikam 8.1?
2. Install Digikam 8.1 in Ubuntu 22.04 LTS using APPIMAGE Installation and import a NIKON Z9 NEF, edit the NEF file using 
    "Image Editor".  Please see image file "DigiKam_8.1_Bug_Cannot_Decode_NEF_File-In_ImageEditor.png". 
3.  The bug happens in both Windows 10 (EXE Install) and Linux Ubuntu 22.04 (using APPIMAGE install).  In my last Bug reported
     477467, Maik Qualmann tested it in Version 8.2 when I am using Version 8.1 Stable release and is reported in bug 477467.
     Please see image "DigiKam_8.1_Bug_Cannot_Open_NEF_File-In_ImageEditor_Tested_Digikam_8.2_NOT_8.1.png".

OBSERVED RESULT
Both Windows 10 and Linux version of Digikam 8.1 could not decode a Nikon Z9 NEF file with the latest Version 4.1 Firmware update. 

EXPECTED RESULT
I cannot put adjustments to the Nikon Z9 NEF files as Digikam 8.1 (Windows 10 and Ubuntu Appimage Install) is not working as per specifications.


SOFTWARE/OS VERSIONS
Windows:  Windows 10
macOS:  N/A
Linux/KDE Plasma: Ubuntu 22.04.3 LTS 
(available in About System)
KDE Plasma Version: N/A
KDE Frameworks Version: N/A 
Qt Version: I don't know.

ADDITIONAL INFORMATION
Please unzip attached ZIP file "Digikam_Bug_Reported_#02.zip" which contains 2 folder for both Windows 10 and Linux images.

Comment 1 Maik Qualmann 2023-11-27 20:25:12 UTC

I already wrote that I tested Nikon Z9 on digiKam-8.2.0 and it worked without any problems. You can find a pre-release AppImage/Windows version here:

https://files.kde.org/digikam/

I tested a Z9 sample from the web, both with AppImage 8.1.0 and 8.2.0 and Windows 8.2.0. No problem decoding the NEF Raw.
Otherwise, send me a sample Z9 image to my private email.

Maik

Comment 2 Maik Qualmann 2023-11-27 20:29:15 UTC

However, if the NEF structure has really changed in firmware 4.1, you will have to wait until the libraw team adds these changes.

Maik

Comment 3 Maik Qualmann 2023-11-27 20:51:43 UTC

Note that libraw currently does not support high efficiency compression formats (HE) or HE*. If you have activated this in the camera, there is currently no chance of decoding this. There is currently no free program that can decode this.

Maik

Comment 4 Maik Qualmann 2023-11-27 21:18:37 UTC

Thanks for the sample NEF images. Yes, these are NEF images compressed in HE/HE* format, so they only have around 30MB instead of 55 MB. With ExifTool you can see that these are compressed in HE format. We can't help here. The Libraw team first has to support this format and that may take some time. Switch back to lossless standard compression in the camera settings.

Maik

Comment 5 Maik Qualmann 2023-11-28 07:23:30 UTC

See the status of current support for Z9 HE/HE* format here: https://www.libraw.org/node/2766

Maik

Comment 6 Jürgen Blumenschein 2024-02-19 17:03:10 UTC

same behavior with NEF-files taken with Z8 firmware 2.0, under ArchLinux, digikam-git 8.3 (1:8.2.0.r1412.c265c6d400) and libraw-git 0.21.2.r29.ga4c9b198-1

Comment 7 caulier.gilles 2024-03-31 20:33:24 UTC

Git commit 1b911bc46a1631f9d00ef2866f9987f3a04fbdde by Gilles Caulier.
Committed on 31/03/2024 at 20:28.
Pushed by cgilles into branch 'master'.

Update Adobe DNG SDK from 1.5.1 to 1.7.1 to support JPEG-XL compression formats.
Related: bug 390700, bug 418941, bug 444442, bug 451917, bug 479728, bug 257737, bug 285610, bug 374655

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M  +1922 -103  core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPMeta-GetSet.cpp
M  +289  -130  core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPMeta-Parse.cpp
M  +266  -109  core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPMeta-Serialize.cpp
M  +415  -16   core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPMeta.cpp
M  +114  -2    core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPMeta.hpp
M  +143  -141  core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPMeta2-GetSet.cpp
M  +1    -1    core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPMeta2.hpp
M  +1072 -230  core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPUtils-FileInfo.cpp
M  +209  -97   core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPUtils.cpp
M  +211  -2    core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPUtils.hpp
M  +620  -42   core/libs/dngwriter/extra/xmp_sdk/XMPCore/source/XMPUtils2.cpp
M  +79   -4    core/libs/dngwriter/extra/xmp_sdk/build/XMP_BuildInfo.h
A  +542  -0    core/libs/dngwriter/extra/xmp_sdk/public/include/TXMPDocOps.hpp  *
M  +123  -7    core/libs/dngwriter/extra/xmp_sdk/public/include/TXMPFiles.hpp
M  +43   -10   core/libs/dngwriter/extra/xmp_sdk/public/include/TXMPIterator.hpp
M  +160  -10   core/libs/dngwriter/extra/xmp_sdk/public/include/TXMPMeta.hpp
M  +270  -3    core/libs/dngwriter/extra/xmp_sdk/public/include/TXMPUtils.hpp
M  +48   -2    core/libs/dngwriter/extra/xmp_sdk/public/include/XMP.hpp
M  +57   -0    core/libs/dngwriter/extra/xmp_sdk/public/include/XMP.incl_cpp
M  +43   -13   core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCommon/XMPCommonDefines.h
M  +5    -3    core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCommon/XMPCommonErrorCodes.h
M  +7    -5    core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCommon/XMPCommonFwdDeclarations.h
M  +5    -3    core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCommon/XMPCommonLatestInterfaceVersions.h
M  +12   -2    core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCore/XMPCoreDefines.h
M  +7    -5    core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCore/XMPCoreErrorCodes.h
M  +24   -5    core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCore/XMPCoreFwdDeclarations.h
M  +10   -3    core/libs/dngwriter/extra/xmp_sdk/public/include/XMPCore/XMPCoreLatestInterfaceVersions.h
M  +621  -18   core/libs/dngwriter/extra/xmp_sdk/public/include/XMP_Const.h
M  +129  -22   core/libs/dngwriter/extra/xmp_sdk/public/include/XMP_Environment.h
M  +24   -7    core/libs/dngwriter/extra/xmp_sdk/public/include/XMP_IO.hpp
M  +45   -33   core/libs/dngwriter/extra/xmp_sdk/public/include/XMP_Version.h
A  +400  -0    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/TXMPDocOps.incl_cpp
M  +120  -0    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/TXMPFiles.incl_cpp
M  +30   -0    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/TXMPIterator.incl_cpp
M  +146  -0    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/TXMPMeta.incl_cpp
M  +257  -2    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/TXMPUtils.incl_cpp
A  +210  -0    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/WXMPDocOps.hpp  *
M  +77   -3    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/WXMPFiles.hpp
M  +40   -2    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/WXMPIterator.hpp
M  +85   -3    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/WXMPMeta.hpp
M  +189  -2    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/WXMPUtils.hpp
M  +40   -2    core/libs/dngwriter/extra/xmp_sdk/public/include/client-glue/WXMP_Common.hpp
M  +6    -4    core/libs/dngwriter/extra/xmp_sdk/source/Endian.h
M  +39   -6    core/libs/dngwriter/extra/xmp_sdk/source/EndianUtils.hpp
M  +36   -2    core/libs/dngwriter/extra/xmp_sdk/source/ExpatAdapter.hpp
M  +32   -9    core/libs/dngwriter/extra/xmp_sdk/source/PerfUtils.cpp
M  +25   -4    core/libs/dngwriter/extra/xmp_sdk/source/PerfUtils.hpp
M  +27   -18   core/libs/dngwriter/extra/xmp_sdk/source/SafeStringAPIs.cpp
M  +24   -17   core/libs/dngwriter/extra/xmp_sdk/source/SafeStringAPIs.h
M  +24   -18   core/libs/dngwriter/extra/xmp_sdk/source/SafeTypes.h
M  +25   -19   core/libs/dngwriter/extra/xmp_sdk/source/SuppressSAL.h
M  +235  -199  core/libs/dngwriter/extra/xmp_sdk/source/UnicodeConversions.cpp
M  +26   -2    core/libs/dngwriter/extra/xmp_sdk/source/UnicodeConversions.hpp
M  +19   -0    core/libs/dngwriter/extra/xmp_sdk/source/UnicodeInlines.incl_cpp
M  +41   -2    core/libs/dngwriter/extra/xmp_sdk/source/XMLParserAdapter.hpp
M  +25   -2    core/libs/dngwriter/extra/xmp_sdk/source/XML_Node.cpp
M  +48   -8    core/libs/dngwriter/extra/xmp_sdk/source/XMP_LibUtils.cpp
M  +116  -10   core/libs/dngwriter/extra/xmp_sdk/source/XMP_LibUtils.hpp
M  +34   -13   core/libs/dngwriter/extra/xmp_sdk/source/XMP_ProgressTracker.cpp
M  +28   -4    core/libs/dngwriter/extra/xmp_sdk/source/XMP_ProgressTracker.hpp
M  +1    -0    core/tests/dngwriter/CMakeLists.txt

The files marked with a * at the end have a non valid license. Please read: https://community.kde.org/Policies/Licensing_Policy and use the headers which are listed at that page.


https://invent.kde.org/graphics/digikam/-/commit/1b911bc46a1631f9d00ef2866f9987f3a04fbdde

Comment 8 caulier.gilles 2024-04-01 21:16:15 UTC

Edwin,

digiKam 8.4.0 with Libraw 202403 : i tested with items from https://photographylife.com/nikon-z9-sample-images-raws

... and all files are properly display in digiKam, and thumbnails, preview, and in image editor.

digiKam can be tested with the AppImage bundle here : https://files.kde.org/digikam/

Gilles Caulier

Comment 9 caulier.gilles 2024-04-01 21:19:37 UTC

Screenshot : https://imgur.com/a/11T5suc

Comment 10 Maik Qualmann 2024-04-02 05:53:19 UTC

RAW images from the Z8/Z9 that are compressed with the HE/HE* setting cannot currently be decoded by libRaw.

See also here: https://www.libraw.org/node/2766
and here: https://github.com/LibRaw/LibRaw/blob/master/Changelog.txt (- Nikon Z30, Z8 (HE/HE* formats are not supported)

Maik

Comment 11 caulier.gilles 2024-04-28 09:12:49 UTC

See also this UPSTREAM bug : https://github.com/LibRaw/LibRaw/issues/642