tx and ty are translation. I think a and d are scale and b and c are some function of rotation. I have videos that are flipped and rotated using arbitrary matrices. How can I make them right-side-up ...

In 1999, Keanu Reeves chose the red pill to go down the rabbit hole — and modern cinema and pop culture would never be the same. Even in the landscape of that unforgettable year in film, “The Matrix” ...