for i in `ls`; do ffmpeg -y -i $i -aspect 16:9 -c copy ~/eric/$i; done
ffmpeg -ss 00:01:00 -i video.mp4 -to 00:02:00 -c copy cut.mp4
ffmpeg -i input.mp4 -filter:v 'crop=ih/3*4:ih' -c:v libx264 -c:a copy -aspect 16:9 output.mp4