As I don't have direct access to the episode you're referring to, I'll create a story that incorporates the episode title and ffmpeg in a creative way.
In the early 90s, storage was expensive. A tool like FFmpeg would have been revolutionary for fitting more video onto a hard drive without losing quality—something a perfectionist like Sheldon would obsess over. young sheldon s05e15 ffmpeg
However, in the Big Bang Theory universe, it has been established that Sheldon creates his own operating systems and writes code well ahead of its time. Perhaps the writers are implying that Sheldon Cooper invented FFmpeg before the open-source community did? We can only hope that’s the retcon explanation! As I don't have direct access to the