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                                            duankong

how to compress a yuv420 raw data using opj_compress in lossless

I try to this code below ``` ffmpeg -y -i image -pix_fmt yuvj420p source420.yuv cp source420.yuv source420.raw opj_compress -i source420.raw -o temp.jp2 -F '%s,%s,%s,%s,u@1x1:2x2:2x2' % (width, height, 3, 8) -r...