[FFmpeg-trac] #4160(undetermined:new): problem encoding opus file with unusual channel mask

[FFmpeg]

#4160: problem encoding opus file with unusual channel mask
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             Reporter:  divide  |                    Owner:
                 Type:  defect  |                   Status:  new
             Priority:  normal  |                Component:  undetermined
              Version:  2.5     |               Resolution:
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |
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Comment (by Cigaes):

 I do not agree. Silently discarding some user data based on random guesses
 is never a good behaviour. This was done in libvorbis before channel
 layouts were handled properly, and changing the behaviour would break old
 scripts, but newer code does not suffer from this kind of compatibility
 burden.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4160#comment:9>
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