function createStringForSubstreamProcess(options){
    let options = {
       "type":"h264",
       "fulladdress":"",
       "sfps":"",
       "aduration":"",
       "probesize":"",
       "stream_loop":"0",
       "rtsp_transport":"",
       "accelerator":"0",
       "hwaccel":"auto",
       "hwaccel_vcodec":"auto",
       "hwaccel_device":"",
       "cust_input":""
    }
}