So ROM crackers nowadays can take the ROM apart, parse the data, find the game settings location, and add unlimited ammo, invulnerability, etc. etc. Would it be possible to find the movies within the ROMs, and extract them? Are they coded in some weird incomprehensible codec that noone is able to recreate at home? Can there be a homebrew cutscene player? Or does every game have a different codec? I would like to know.