Re: Hmm...
"and to tell Apple to fuck off when they threaten to sue because ProRes is proprietary"
You first. Let me know how your legal battle goes, and how your lawyers like their Veyrons.
And ffmpeg doesn't allow for retrieving random frames from GOP encoded codecs, making it useless for most video apps. (And the fork that does (slowly) provide for that is GPL (not LGPL) which rules it out for commercial software.)