One of the first operations I learned in FFmpeg was how to scale subsampled video files back to the source resolution to compute PSNR in the Moscow State University (MSU) Video Quality Measurement Tool (VQMT). Thankfully, for those not familiar with FFmpeg, as of VQMT version 11.1, this operation is no longer necessary. Yup, VQMT can now autoscale your lower-resolution …

I just saw Vimeo’s “isn’t it wonderful that we’re publishing video with AV1” announcement and felt the need to call BS. First, it’s time to stop calling AV1 royalty-free and promoting the Alliance for Open Media (AOM) as some kind of noble effort to keep video on the web free. Second, don’t tell me that you’re using AV1 to “embrace …

This article details how the FFmpeg threads command impacts performance, overall quality, and transient quality for live and VOD encoding. The level of testing and analysis detailed here is consistent with the instruction in my book, Learn to Produce Videos with FFmpeg In 30 Minutes or Less ($34.95), and my course, FFmpeg for Adaptive Bitrate Production ($29.95)  (which includes a …