I tested all 4 DNG images again with the latest FFmpeg version (Gyan's
build from today).
I tested with and without zscale filter. All tests failed. When testing
with IrfanView, all DNG input images seem to be ok.
Test 1:
Images from
https://drive.google.com/drive/folders/1u5m7aVAFPpEsL4YtDVsfSpfcve9PFG4m
c:\ffmpeg\ffmpeg -i sample_r00000.dng -y out.jpg
The image is converted without error message, but the result is much too
dark.
c:\ffmpeg\ffmpeg -i sample_r00000.dng -vf zscale -y out.jpg
Error message: "code 3074: no path between colorspaces"
The full console output is copied below.
Test 2:
This is a RAW image from a Canon 6D which was converted to DNG with
Adobe DNG
Converter V12.4: www.astro-electronic.de/IMG_3459.dng
c:\ffmpeg\ffmpeg -i IMG_3459.dng -y out.jpg
The image is converted without error message, but the result is much too
dark.
c:\ffmpeg\ffmpeg -i IMG_3459.dng -vf zscale -y out.jpg
Error message: "code 3074: no path between colorspaces"
The full console output is copied below.
Test 3:
This is a RAW image from a Canon 5D-MK4 which was converted to DNG with
Adobe DNG
Converter V12.4. The problem is exactly the same as in test 2.
Test 4:
This is a DNG image that was directly written by a Pentax K5 camera.
www.astro-electronic.de/Pentax_K5.DNG
c:\ffmpeg\ffmpeg -i Pentax_K5.DNG -y out.jpg
Error message: "Error while decoding stream #0:0: Invalid data found
when processing input"
The full console output is copied below.
c:\ffmpeg\ffmpeg -i Pentax_K5.DNG -vf zscale -y out.jpg
Same error message as above.
Michael
C:\Users\astro\Desktop\dng>c:\ffmpeg\ffmpeg -i sample_r00000.dng -vf
zscale -y out.jpg
ffmpeg version 2020-10-11-git-7ea4bcff7b-full_build-www.gyan.dev
Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 10.2.0 (Rev3, Built by MSYS2 project)
configuration: --enable-gpl --enable-version3 --enable-static
--disable-w32threads --disable-autodetect --enable-fontconfig
--enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp
--enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt
--enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray
--enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi
--enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg
--enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype
--enable-libfribidi --enable-libvidstab --enable-libvmaf
--enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid
--enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va
--enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan
--enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt
--enable-libopencore-amrwb --enable-libmp3lame --enable-libshine
--enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc
--enable-libilbc --enable-libgsm --enable-libopencore-amrnb
--enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa
--enable-libbs2b --enable-libflite --enable-libmysofa
--enable-librubberband --enable-libsoxr --enable-chromaprint
libavutil 56. 60.100 / 56. 60.100
libavcodec 58.111.100 / 58.111.100
libavformat 58. 62.100 / 58. 62.100
libavdevice 58. 11.102 / 58. 11.102
libavfilter 7. 87.100 / 7. 87.100
libswscale 5. 8.100 / 5. 8.100
libswresample 3. 8.100 / 3. 8.100
libpostproc 55. 8.100 / 55. 8.100
[tiff @ 00000234bf57f780] Assuming black level pattern values are identical
[tiff_pipe @ 00000234bf57d700] Stream #0: not enough frames to estimate
rate; consider increasing probesize
Input #0, tiff_pipe, from 'sample_r00000.dng':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: tiff, bayer_rggb16le, 6016x3200, 25 tbr, 25
tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (tiff (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[tiff @ 00000234bf5900c0] Assuming black level pattern values are identical
code 3074: no path between colorspaces
Error while filtering: Generic error in an external library
Failed to inject frame into filter network: Generic error in an external
library
Error while processing the decoded data for stream #0:0
Conversion failed!
C:\Users\astro\Desktop\dng>c:\ffmpeg\ffmpeg -i IMG_3459.dng -vf zscale
-y out.jpg
ffmpeg version 2020-10-11-git-7ea4bcff7b-full_build-www.gyan.dev
Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 10.2.0 (Rev3, Built by MSYS2 project)
configuration: --enable-gpl --enable-version3 --enable-static
--disable-w32threads --disable-autodetect --enable-fontconfig
--enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp
--enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt
--enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray
--enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi
--enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg
--enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype
--enable-libfribidi --enable-libvidstab --enable-libvmaf
--enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid
--enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va
--enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan
--enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt
--enable-libopencore-amrwb --enable-libmp3lame --enable-libshine
--enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc
--enable-libilbc --enable-libgsm --enable-libopencore-amrnb
--enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa
--enable-libbs2b --enable-libflite --enable-libmysofa
--enable-librubberband --enable-libsoxr --enable-chromaprint
libavutil 56. 60.100 / 56. 60.100
libavcodec 58.111.100 / 58.111.100
libavformat 58. 62.100 / 58. 62.100
libavdevice 58. 11.102 / 58. 11.102
libavfilter 7. 87.100 / 7. 87.100
libswscale 5. 8.100 / 5. 8.100
libswresample 3. 8.100 / 3. 8.100
libpostproc 55. 8.100 / 55. 8.100
[tiff @ 000002058bcdf700] Assuming black level pattern values are identical
[tiff @ 000002058bcdf700] Tiled TIFF is not allowed to strip
[tiff_pipe @ 000002058bcdd700] Stream #0: not enough frames to estimate
rate; consider increasing probesize
Input #0, tiff_pipe, from 'IMG_3459.dng':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: tiff, bayer_rggb16le, 5568x3708, 25 tbr, 25
tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (tiff (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[tiff @ 000002058bce3840] Assuming black level pattern values are identical
[tiff @ 000002058bce3840] Tiled TIFF is not allowed to strip
code 3074: no path between colorspaces
Error while filtering: Generic error in an external library
Failed to inject frame into filter network: Generic error in an external
library
Error while processing the decoded data for stream #0:0
Conversion failed!
C:\Users\astro\Desktop\dng>c:\ffmpeg\ffmpeg -i Pentax_K5.DNG -y out.jpg
ffmpeg version 2020-10-11-git-7ea4bcff7b-full_build-www.gyan.dev
Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 10.2.0 (Rev3, Built by MSYS2 project)
configuration: --enable-gpl --enable-version3 --enable-static
--disable-w32threads --disable-autodetect --enable-fontconfig
--enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp
--enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt
--enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray
--enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi
--enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg
--enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype
--enable-libfribidi --enable-libvidstab --enable-libvmaf
--enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid
--enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va
--enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan
--enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt
--enable-libopencore-amrwb --enable-libmp3lame --enable-libshine
--enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc
--enable-libilbc --enable-libgsm --enable-libopencore-amrnb
--enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa
--enable-libbs2b --enable-libflite --enable-libmysofa
--enable-librubberband --enable-libsoxr --enable-chromaprint
libavutil 56. 60.100 / 56. 60.100
libavcodec 58.111.100 / 58.111.100
libavformat 58. 62.100 / 58. 62.100
libavdevice 58. 11.102 / 58. 11.102
libavfilter 7. 87.100 / 7. 87.100
libswscale 5. 8.100 / 5. 8.100
libswresample 3. 8.100 / 3. 8.100
libpostproc 55. 8.100 / 55. 8.100
[tiff @ 0000019996d5f600] non increasing IFD offset
[tiff @ 0000019996d5f600] is not implemented. Update your FFmpeg
version to the newest one from Git. If the problem still occurs, it
means that your file has a feature which has not been implemented.
[tiff @ 0000019996d5f600] If you want to help, upload a sample of this
file to https://streams.videolan.org/upload/ and contact the
ffmpeg-devel mailing list. ([email protected])
[tiff_pipe @ 0000019996d5d640] Stream #0: not enough frames to estimate
rate; consider increasing probesize
[tiff_pipe @ 0000019996d5d640] decoding for stream 0 failed
[tiff_pipe @ 0000019996d5d640] Could not find codec parameters for
stream 0 (Video: tiff, none): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and
'probesize' (5000000) options
Input #0, tiff_pipe, from 'Pentax_K5.DNG':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: tiff, none, 25 tbr, 25 tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (tiff (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[tiff @ 0000019996d6fe40] non increasing IFD offset
[tiff @ 0000019996d6fe40] is not implemented. Update your FFmpeg
version to the newest one from Git. If the problem still occurs, it
means that your file has a feature which has not been implemented.
[tiff @ 0000019996d6fe40] If you want to help, upload a sample of this
file to https://streams.videolan.org/upload/ and contact the
ffmpeg-devel mailing list. ([email protected])
Error while decoding stream #0:0: Invalid data found when processing input
Cannot determine format of input stream 0:0 after EOF
Error marking filters as finished
Conversion failed!
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