HLSNetStream: factorize access to getter using local vars
HLSNetStream: factorize access to getter using local vars

codex-corp/flashls,neilrackett/flashls,mangui/flashls,NicolasSiver/flashls,jlacivita/flashls,mangui/flashls,tedconf/flashls,clappr/flashls,hola/flashls,fixedmachine/flashls,vidible/vdb-flashls,NicolasSiver/flashls,fixedmachine/flashls,codex-corp/flashls,neilrackett/flashls,hola/flashls,jlacivita/flashls,clappr/flashls,vidible/vdb-flashls,tedconf/flashls