So I came across a PS3 game(GTA IV) that uses the .BIK video format. However, after looking at the hex editor, I soon realized that they're actually headerless files.
Here it is:
https://mega.nz/#!wElRELhY!BBOD9uMHb81V88_UCWQa1YHoLxhcCXLHCQBTxNDHka4
Is there any way to add the BIK header or something? Thanks.