Muxer hds [HDS Muxer]:
    Default video codec: h264.
    Default audio codec: aac.
HDS muxer AVOptions:
  -window_size       <int>        E........ number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
  -extra_window_size <int>        E........ number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
  -min_frag_duration <int64>      E........ minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 10000000)
  -remove_at_exit    <boolean>    E........ remove all fragments when finished (default false)


