In my last installment we looked at all the reasons why editing video isn’t as easy as it should be. Let’s assume that we’ve cleared those hurdles, and now actually want to do some video editing from the command line. A not-uncommon video effect is fast- and slow-motion, sped-up or slowed-down video. Being common, you’d think it would be readily available in any video editing software, but you’d be wrong. Out of respect for all its other virtues, we’ll be using ffmpeg today.
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