[FFmpeg-trac] #7892(undetermined:closed): FFMpeg produces invalid WAV files

[FFmpeg]

#7892: FFMpeg produces invalid WAV files
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             Reporter:  birdie       |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:  wontfix
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by jamrial):

 Replying to [comment:4 birdie]:
 > I need to pipe the resulting file to sox. I can't see any other way to
 do that and previous FFMpeg versions worked fine, e.g. FFMpeg 3.2.2.
 Applications that accept pipping of wav files should ignore the size
 field. See for example --ignorelength in opusenc.

 ffmpeg can't write a size field if the output is not seekable.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7892#comment:7>
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