anyone know how to get VLC or any other app to cast downloaded movies to a chromecast that does not have access to the internet? Is there a way to setup an ad-

anyone know how to get VLC or any other app to cast downloaded movies to a chromecast that does not have access to the internet? Is there a way to setup an ad-hoc WLAN between the phone/tab/pc and the chromecast and cast downloaded content?