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I found "-bug" parameter for ffmpeg in one of encoding scripts, and have no idea what it is. ffmpeg man page says that it's action for not autodetected encoder bugs, but I can't find any information what values can I pass to this option.

Does anybody know anything about "-bug" ffmpeg parameter?

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  • Where did you find this, exactly? My man page of a fairly recent ffmpeg doesn't mention it.
    – slhck
    May 23, 2015 at 10:10
  • Found it in some red hat man page (don't remember link now). Question is solved - recent ffmpeg documentation provide enough info about this parameter.
    – avtomaton
    Jun 8, 2015 at 11:07

1 Answer 1

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Found good description in recent ffmpeg documentation:

bug flags (decoding,video)
Workaround not auto detected encoder bugs.
Possible values:

  • autodetect
  • old_msmpeg4 - some old lavc generated msmpeg4v3 files (no autodetection)
  • xvid_ilace - Xvid interlacing bug (autodetected if fourcc==XVIX)
  • ump4 - (autodetected if fourcc==UMP4)
  • no_padding - padding bug (autodetected)
  • amv
  • ac_vlc - illegal vlc bug (autodetected per fourcc)
  • qpel_chroma
  • std_qpel - old standard qpel (autodetected per fourcc/version)
  • qpel_chroma2
  • direct_blocksize - direct-qpel-blocksize bug (autodetected per fourcc/version)
  • edge - edge padding bug (autodetected per fourcc/version)
  • hpel_chroma
  • dc_clip
  • ms - Workaround various bugs in microsoft broken decoders.
  • trunc - truncated frames
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  • 1
    I've never used any of these.
    – llogan
    Jun 8, 2015 at 16:38

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