9951 explained code solutions for 126 technologies


ffmpegHow to zoom video


ffmpeg -i in.mp4 -vf "scale=2*iw:-1,crop=iw/2:ih/2" out.mp4ctrl + c
-i in.mp4

input video file

-vf

apply specific video filters

scale=

scale video

2*iw:-1

zoom in video twice (2*iw means double video width, -1 to calculate height automatically)

crop=

crop video

iw/2:ih/2

half of original video size and height

out.mp4

resulting video file