Introduction - If you have any usage issues, please Google them yourself
Bitmap to JPG where the color space conversion, BGR color space into YCbCr space, 1 require the use of look-up table method
2 cut out the macro block data (16*48) to write D:/out.txt
3 press 4:2:0 to convert the BGR color space to YCbCr space,
Brightness signal (16*16) to write to D:/outY.txt
Cb signal (8*8) to write to D:/outCb.txt
Cr signal (8*8) to write to D:/outCr.txt