Free Video: Scaling and Letterboxing in FFmpeg

Jan Ozer April 3, 2019 Blogs, FFmpeg, Learning Leave a comment 1,552 Views

Embedded below is a free lesson from my course, Produce Videos with FFmpeg: The Beginner’s Course (http://bit.ly/learn_ffmpeg). 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

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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. I am a contributing editor to Streaming Media Magazine, writing about codecs and encoding tools. I have written multiple authoritative books on video encoding, including Video Encoding by the Numbers: Eliminate the Guesswork from your Streaming Video (https://amzn.to/3kV6R1j) and Learn to Produce Video with FFmpeg: In Thirty Minutes or Less (https://amzn.to/3ZJih7e). I have multiple courses relating to streaming media production, all available at https://bit.ly/slc_courses. I currently work as www.netint.com as a Senior Director in Marketing.

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