FFMPEG h.264 2-Pass Encoding

## FFMPEG h.264 2-Pass Encodig ##

## First Pass
ffmpeg -y -i input.mov -pix_fmt yuv420p -c:v libx264 -preset medium -b:v 700k -pass 1 -threads 12 -an -f mp4 /dev/null

## Second Pass
ffmpeg -i input.mov -pix_fmt yuv420p -c:v libx264 -preset medium -b:v 700k -pass 2 -threads 12 -c:a libfdk_aac -b:a 192k output.mp4