Get frames from a video with ffmpeg

Extract the frame rate1:

ffmpeg -i *.webm 2>&1 | sed -n "s/.*, \(.*\) fp.*/\1/p"
29.84

This should tell you how many frames you’ll get.

Extract the frames:

ffmpeg -i video.webm thumb%04d.jpg -hide_banner
  1. https://askubuntu.com/questions/110264/how-to-find-frames-per-second-of-any-video-file []