JSON_MutiScreenSubStreamCap

JSON message about configuration capability of sub stream of the windows

{
  "MutiScreenSubStreamCap":{
    "enabled":{
/*optional, boolean*/
      "@opt":[true,false]
    },
    "winConutLimit":{
/*required, string,threshold number of divided windows. When the number of divided windows exceeds the threshold, streams of low performance will be used*/
      "@opt":["1","4","6","8","9","16","32","64"]
    }
  }
}