ZaquL
ZaquL
@MastXu Please attach out.j2c right here (you can rename to .jpeg). Please not that Kakadu 8.0.5 no longer writes garbage after marker 0xFFD9.
On the sample kdu_jp2info.exe of kakadu v8.0.5 warns: Kakadu Core Warning: SIZ marker segment's Rsiz word must have bits 12 and 13 equal to 0 unless the Part-2 flag (bit-15)...
> Duplicate of #1347. Not really since that file is invalid it uses part 2 bits and yuv420p9 which is not supported, I mean 9 bit YCbCr? LOL. @NISL-SecurityGroup Where...
This is the original and also lossless j2c. 
Looks related: https://groups.google.com/g/openjpeg/c/mBmyyErXcQA/m/NS-z4dNmcxAJ
> hum, so this breaks the NR-DEC-issue411-ycc420.jp2-115-decode-md5 test case of the test suite. Either my suggestion is wrong, either this test case needs refreshing https://github.com/uclouvain/openjpeg-data/blob/master/input/nonregression/issue411-ycc420.jp2 This file decodes in -c:v...
I just checked ffmpeg.exe -i 02-14817ce690189825ddc36fe847d7f436.png -distance 0 -effort 9 jxq2.jxl And it is so slow (the default is -effort 7)!! CUDA is really needed. Interestingly enough cjxl.exe 02-14817ce690189825ddc36fe847d7f436.png image.jxl...
Same happens in ffmpeg: image.cc:94: JXL_CHECK: bytes_.get() ffmpeg.exe -i sample.PNG -distance 1 -effort 9 xfcqa.jxl
Even 16 channels are impossible. 24 channels of aac too.
What head related transfer function are you using? Also are you sure ffmpeg does not downscale 16 channels to 9 channels as it usually does? Same of that file you...