How to take screenshot with ffmpeg

ffmpeg provides x11grab driver that can be used to take screenshots.

You can use the following command to take screenshots, you can run it manually on the terminal or using cronjob

export DISPLAY=:1
ffmpeg -f x11grab -video_size 1920x1080 -i $DISPLAY -vframes 1 image.png

1 2	export DISPLAY=:1 ffmpeg -f x11grab -video_size 1920x1080 -i $DISPLAY -vframes 1 image.png

If you want to make a thumbnail from a video, you can use

ffmpeg -ss 00:01:00 -i video.mp4 -vframes 1 image.png

1	ffmpeg -ss 00:01:00 -i video.mp4 -vframes 1 image.png

You can change 00:01:00 to whatever time you need to generate a thumbnail.