Muxer aiff [Audio IFF]:
    Common extensions: aif,aiff,afc,aifc.
    Mime type: audio/aiff.
    Default video codec: png.
    Default audio codec: pcm_s16be.
AIFF muxer AVOptions:
  -write_id3v2       <boolean>    E........ Enable ID3 tags writing. (default false)
  -id3v2_version     <int>        E........ Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4) (default 4)


