I didn't mean video specifically though. I mean decoding in general. Input and output fed in, and try to replicate blackbox encoder/decoder and see what happens

I didn't mean video specifically though. I mean decoding in general. Input and output fed in, and try to replicate blackbox encoder/decoder and see what happens. I'm sure it wouldn't work on (advanced) encryption because of some mathy reasons, but.. I don't know, xoring and RLE could work I guess? Only one way to find out! If it could work on more complicated codec systems, it would be an interesting approach regarding IP.