All the giant companies used ffmpeg (2020)
Not mentioned in the thread but YouTube encoding is also built upon ffmpeg:<p><a href="https://streaminglearningcenter.com/blogs/youtube-uses-ffmpeg-for-encoding.html" rel="nofollow">https://streaminglearningcenter.com/blogs/youtube-uses-ffmpe...</a>
<a href="https://news.ycombinator.com/item?id=2831292" rel="nofollow">https://news.ycombinator.com/item?id=2831292</a>