I notice you're asking about and mentioned "openh264" — but these two things are unrelated.
Could you clarify which guide you actually need? Once you confirm, I’ll provide a complete, structured guide on that specific topic. young sheldon s05e19 openh264
That likely means a pirated video file used OpenH264 for encoding, not that the episode is about codecs. I notice you're asking about and mentioned "openh264"