ffmpeg.exe -i D:\46K-444.mov -c:v libx265 -preset medium -b:v 20M -pix_fmt yuv422p10le -b:a 256k h:\h256test-46k.mp4
ffmpeg.exe -i D:\46K-2-444.mov -c:v libx265 -preset medium -b:v 20M -pix_fmt yuv444p16le -b:a 256k h:\h256test-46k-2-YUV444p16le.mp4