Jyrki Alakuijala

Consider evaluating DSSIM using CLIC-2021 peceptual quality task

6

See the [similar issue](https://github.com/libjxl/libjxl/issues/202) in libjxl. It would be great to evaluate DSSIM on the CLIC-2021 perceptual quality task. This should provide additional information to he community with respect to...

JPEG XL support

2

MediaInfo displays of technical/tag data for video and audio files. JPEG XL supports animations. Would it be in the scope of MediaInfo to add support for JPEG XL format?

``` Before: Encoding kPixels Bytes BPP E MP/s D MP/s Max norm SSIMULACRA2 PSNR pnorm BPP*pnorm QABPP Bugs ---------------------------------------------------------------------------------------------------------------------------------------- jxl:d0.1 20315 17771024 6.9979205 1.072 10.153 0.35756577 95.39413774 55.88 0.11792287 0.825214859523...

See the [similar issue](https://github.com/libjxl/libjxl/issues/202) in libjxl . It would be great to evaluate SSIMULACRA on the CLIC-2021 perceptual quality task. This should provide additional information to he community with respect...

unclear if produced streams are directly compatible with vanilla brotli

1

Particularly: is the 32 substreams index table within a brotli comment block. Dr. Mark Adler foresaw this kind of extensions and demanded that we add a possibility to add comment...

I'm using UMC1820 and Behringer ultragain digital to have 16 channels of output. I need to use them in 48000/24 bit to use all channels, 96000 can only use 12...

Original images may be YUV420 subsampled

4

Compare a YUV444 image at: https://drive.google.com/file/d/0B0w_eoSgaBLXdURZb1hZSDhxRUU/view With: Subset1 image at https://raw.githubusercontent.com/WyohKnott/image-formats-comparison/gh-pages/comparisonfiles/subset1/Original/Mural_in_Northeast_Pavillion__Thomas_Jefferson_Building_by_Elmer_E._Garnsey_11670u_edit.png It seems to me that originals are YUV420 subsampled, and have their upsampling done without fancy upsampling. The use...