You probably need a server to pickup your webrtc stream and multicast it out, usually in an assortment of formats depending on platforms you are targeting. The

You probably need a server to pickup your webrtc stream and multicast it out, usually in an assortment of formats depending on platforms you are targeting. The video between you and the server probably needs to be WebRTC, but downstream from the server it can be mp4/mpg-dash, etc.