[FFmpeg-trac] #825(avformat:new): Track number metadata read from ASF (WMAL) off by one

[FFmpeg]

#825: Track number metadata read from ASF (WMAL) off by one
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             Reporter:  fatcatfan   |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  asf         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by reimar):

 While it seems crazy, the only explanation I can think of is that
 WM/TrackNumber is 1-based while WM/Track is 0-based. FFmpeg will convert
 Track to use TrackNumber instead, but assumes both are exactly the same.

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Ticket URL: <http://www.avcodec.org/trac/ffmpeg/ticket/825#comment:4>
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