uci:foreach( "uvc_streamer", "uvc_streamer",
function(section) port = port or tonumber(section.port) end )
+addr = addr or "192.168.1.1"
+port = port or 8080
+
m = Map("uvc_streamer", translate("uvc_streamer"),
translatef("uvc_streamer_desc", nil, addr, port, addr, port))