Muxer latm [LOAS/LATM]:
    Common extensions: latm,loas.
    Mime type: audio/MP4A-LATM.
    Default audio codec: aac.
LATM/LOAS muxer AVOptions:
  -smc-interval      <int>        E....... StreamMuxConfig interval. (from 1 to 65535) (default 20)


