[FFmpeg-trac] #2117(avformat:open): Ogg demuxer producing corrupted Vorbis stream

[FFmpeg]

#2117: Ogg demuxer producing corrupted Vorbis stream
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             Reporter:  heleppkes    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  ogg vorbis   |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  1            |
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Changes (by michael):

 * analyzed:  0 => 1


Comment:

 The file contains 2 concatenated ogg vorbis streams, the first is very
 short. The difference between the "working" and not working revissions is
 purely how many packets they read before initing the decoder. If its
 inited during the first stream it can decode the first but not the second,
 as the first is very short this makes it appear as if its not working, if
 its inited during the second it can decode the second stream.
 That it works with some revissions is thus purely random luck ...

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2117#comment:2>
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