ffmpeg -i input -c:v libx264 -crf 23 -preset medium -c:a libfdk_aac -vbr 4 \ -movflags +faststart -vf scale=-2:720,format=yuv420p output.mp4
for f in *.MOV; do ffmpeg -i "$f" -vf scale=-2:480,format=yuv420p "${f%.MOV}.mp4"; done
for f in *.MOV; do ffmpeg -i "$f" -vf scale=-2:480,format=yuv420p convertido/"${f%.MOV}.mp4"; done