Muxer svcd [MPEG-2 PS (SVCD)]:
    Common extensions: vob.
    Mime type: video/mpeg.
    Default video codec: mpeg2video.
    Default audio codec: mp2.
svcd muxer AVOptions:
  -muxrate           <int>        E..... (from 0 to INT_MAX)
  -preload           <int>        E..... Initial demux-decode delay in microseconds. (from 0 to INT_MAX)

