[Ffmpeg-user] 4:2:0 to 4:2:2 conversion

Hello, What should be the change in following command to convert 4:2:0 planar to 4:2:2 packed? ffmpeg -s 720x576 -f rawvideo -pix_fmt yuv420p -i src.yuv -s 720x576 -f rawvideo -pix_fmt yuv422p dst.yuv. Thanks Mangesh