It converts (MP4 -> YUV) and (MP4 -> MLHE -> YUV). Then i calculates the PSNR
sh psnryuv.sh {name of mp4 file without extension}
Example:
sh psnryuv.sh bunny
It converts .mp4 --> .yuv and .mp4 --> .mlhe --> .yuv
Then it calculates PSNR between the .yuv files