It's manipulated film to create the distorted impression that Nancy Pelosi was somehow impaired when she was speaking. That's what has happened and that's why YouTube has taken the film down and that's why there has been a general recognition, including by independent fact-checkers who work for Facebook, that this film is distorted and creates a distorted impression of the third most senior politician in America.
On May 28th, 2019. See this statement in context.