ffmpegHow to change video duration

In order to change duration, you can either change speed or cut video:

ffmpeg -i in.mp4 -ss 00:00:03 -t 00:00:05 out.mp4ctrl + cyoutubegithub

`-i in.mp4` input video file	`-ss` set start time to start cutting at
`00:00:03` start cutting at 3 seconds from video start	`-t` total length of resulting video
`00:00:05` resulting video will be 5 seconds length	`out.mp4` resulting video file