[FFmpeg-trac] #5509(avformat:open): ffmpeg loses Opus Codec delay on remuxing

FFmpeg trac at avcodec.org
Tue May 31 19:57:48 CEST 2016

#5509: ffmpeg loses Opus Codec delay on remuxing
             Reporter:  kagami       |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  opus         |               Blocked By:
  codecpar regression                |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |

Comment (by kagami):

 Firefox issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1276238
 Latest response:

 Timothy B. Terriberry (:derf) 2016-05-31 10:29:11 PDT

 Echoing what I said in #opus on Friday:

 <+derf> jya: I'd say if the file has a non-zero preskip value and no
 then we're well within our rights to reject it.
 <+derf> Any codec-agnostic demuxer (to the extent such a thing is even
 is going to do the wrong thing with that file.

Ticket URL: <https://trac.ffmpeg.org/ticket/5509#comment:2>
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