FFMPEG Take screenshots from a video with command line, for a certain period of time.
ffmpeg command:
C:\Users\NEOGEEK\Desktop\Nirti>ffmpeg -ss 00:39:38 -i "video.mkv" -r 3 -t 00:00:48 "screenshot-%d.jpg"
-ss: beginning time
-i filename
-r framerate
-t duration
(the first 00:00:00 pattern indicates the starting moment
the second the duration )