How Can I Stream From My Computer to Playstation?

Episode 1659
David fromDavid wants to know how he can stream movie files from his computer to his PlayStation. Leo says he can cast to the TV, but probably not PlayStation. If the TV or projector has an HDMI port, he can plug in a Google Chromecast and then cast it from the computer. ScooterX says he can put PLEX on Playstation and then it becomes a media server to cast from the computer.