[FFmpeg-trac] #9613(avfilter:new): add volumedetect filter support for >16bit audio

[FFmpeg]

#9613: add volumedetect filter support for >16bit audio
-------------------------------------+-------------------------------------
             Reporter:  chconnor     |                     Type:
                                     |  enhancement
               Status:  new          |                 Priority:  normal
            Component:  avfilter     |                  Version:
             Keywords:  normalize,   |  unspecified
  loudness, normalization, filter,   |               Blocked By:
  filtering, filters, volume,        |
  volumedetect                       |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Running the volume detect filter on e.g. 32bit float audio does not work
 correctly because it converts internally to 16bit integer format (see
 docs: https://ffmpeg.org/ffmpeg-filters.html#volumedetect)

 It would be great if the filter supported such audio files.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9613>
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