popCorn is a desktop-oriented MPEG-1 audio (MP3) and video software capable of playing data streamed directly from the network. Compatibility with existing media servers is provided by the support of the industry standard RTSP protocol. -popCorn is a desktop-oriented MPEG-1 audi o (MP3) and video software capable of playing da ta streamed directly from the network. Compati bility with existing media servers is provided by the support of the industry standard pro RTSP tocol.