[FFmpeg-trac] #5049(undetermined:new): Strange bug when converting to .webm

FFmpeg trac at avcodec.org
Thu Jan 14 10:03:39 CET 2016

#5049: Strange bug when converting to .webm
             Reporter:               |                    Owner:
  Alexander2015                      |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by Alexander2015):

 News in https://bugzilla.mozilla.org/show_bug.cgi?id=1227680 :

 http://vek-home.ru/bp_c.webm fails because the CodecDelay Matroska element
 doesn't match Pre-Skip in the Opus header. This is a known ffmpeg bug (and
 chrome bug for not rejecting the file).

 [Child 60879] WARNING: Invalid Opus header: CodecDelay and pre-skip do not
 match!: file
 /Users/giles/firefox/dom/media/platforms/agnostic/OpusDecoder.cpp, line 76

 Comment 6 Ralph Giles (:rillian) 2016-01-11 19:16:15 PST

 This was fixed in ffmpeg January 6 in commit


 *** This bug has been marked as a duplicate of bug 1227153 ***

Ticket URL: <https://trac.ffmpeg.org/ticket/5049#comment:6>
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