# Video editing

## Cut

    ffmpeg -i in.mp4 -codec:v copy -codec:a copy -ss START_TIME -t DURATION out.mp4
    ffmpeg -ss START_TIME -t DURATION -i in.mp4 -codec:v copy -codec:a copy out.mp4

## Resize

    ffmpeg -i in.mp4 -s 720x480 out.mp4
    # -1 means to automatically preserve aspect ratio
    ffmpeg -i in.mp4 -filter:v scale=720:-1 out.mp4