duankong

how to compress a yuv420 raw data using opj_compress in lossless

2

I coule compress a yuv444 raw data with this code in lossless ``` ffmpeg -y -i image -pix_fmt yuvj444p source.yuv cp source.yuv source.raw opj_compress -i source.raw -o temp.jp2 -F '%s,%s,%s,%s,u@1x1:1x1:1x1'...