Muxer framemd5 [Per-frame MD5 testing]:
    Default video codec: rawvideo.
    Default audio codec: pcm_s16le.
frame hash encoder class AVOptions:
  -hash              <string>     E........ set hash to use (default "md5")
  -format_version    <int>        E........ file format version (from 1 to 2) (default 2)


