It seems that this solution selects the most "visually pleasing" frames, which ffmpeg on its own doesn't do. You could probably hack around it to arrive at a de

It seems that this solution selects the most "visually pleasing" frames, which ffmpeg on its own doesn't do. You could probably hack around it to arrive at a decent solution[1], but something like this would require an advanced filter or an external tool. [1]: https://superuser.com/q/538112 https://superuser.com/q/538112