This is such a cool and concise overview of how YouTube works. Kudos!
Huh. My immediate assumption based on the date, was this was going to be way out
parsing is key for anyone that wants to make a serious library for this. Its sad
that it has to be that way, but I dont think anyone has found a better
programmatic way to get either the decrypted signatures, or to get the algorithm
used. YouTube-DL is one of the few projects that implements this. Even big
projects like Annie dont support it: