ffmpeg -i source.mov -c:v libx264 -b:v 0.33M -c:a aac -b:a 96k -filter:v scale=960x540 qHD/source.mp4 ffmpeg -i source.mov -c:v libx264 -b:v 0.25M -c:a aac -b:a 48k -filter:v scale=640x360 nHD/source.mp4