Filter amovie
  Read audio from a movie source.
    Inputs:
        none (source filter)
    Outputs:
        dynamic (depending on the options)
amovie AVOptions:
  filename          <string>     ..FVA....
  format_name       <string>     ..FVA.... set format name
  f                 <string>     ..FVA.... set format name
  stream_index      <int>        ..FVA.... set stream index (from -1 to INT_MAX) (default -1)
  si                <int>        ..FVA.... set stream index (from -1 to INT_MAX) (default -1)
  seek_point        <double>     ..FVA.... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0)
  sp                <double>     ..FVA.... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0)
  streams           <string>     ..FVA.... set streams
  s                 <string>     ..FVA.... set streams
  loop              <int>        ..FVA.... set loop count (from 0 to INT_MAX) (default 1)
  discontinuity     <duration>   ..FVA.... set discontinuity threshold (default 0)


