Free Video: Scaling and Letterboxing in FFmpeg

Embedded below is a free lesson from my course, Produce Videos with FFmpeg: The Beginner’s Course ( The previous lesson in the course describes when you can use the -s command to set resolution; this lesson details your options when you can’t. This typically occurs when the display aspect ratio of your output is different from your input, which happens often when working with 4K videos or movie-based input. Here you need to decide whether to crop and/or letterbox. This lesson shows you how.

About Jan Ozer

I help companies train new technical hires in streaming media-related positions; I also help companies optimize their codec selections and encoding stacks, and evaluate new encoders and codecs.

Check Also

Estimating the Bitrate for 8K Videos When Encoding with HEVC and AV1

It’s a well-known and oft-repeated truism that codecs operate more efficiently at higher resolutions. The …

Leave a Reply

Your email address will not be published.