Neither Screening Room nor the movie veterans are commenting on the supposed leak. If it's accurate, though, the support could be key to getting the service's foot in the door. While the startup is reportedly charging steep prices to prevent theater chains from freaking out over lost revenue, that might not be enough to assuage those fears. The backing of famous directors might convince theaters that they have little to worry about if they let you watch movies on a set-top box in your living room.