[FFmpeg-trac] #11287(avfilter:new): Practicality enhancement for "volume" filter

[FFmpeg]

#11287: Practicality enhancement for "volume" filter
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:
  MasterQuestionable                 |  enhancement
               Status:  new          |                 Priority:  normal
            Component:  avfilter     |                  Version:  git-
                                     |  master
             Keywords:  volume       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 ͏    I find it quite troublesome to perform some rather frequently used
 simple task:
 ͏    (peak normalization)
 ͏    https://ffmpeg.org/ffmpeg-filters.html#volume
 ͏    https://trac.ffmpeg.org/wiki/AudioVolume
 ͏    https://superuser.com/questions/1697111/is-simple-peak-normalization-
 possible-using-ffmpeg#1697123
 ͏    https://superuser.com/questions/323119/how-can-i-normalize-audio-
 using-ffmpeg
 ͏    .
 ͏    See also:
 ͏    https://trac.ffmpeg.org/ticket/1649
 ͏    https://trac.ffmpeg.org/ticket/9613#comment:5

 ͏    Suggested fix:
 ͏    New volume expression parameter: "peak".
 ͏    Reflects directly the positive of what attained in "volumedetect"
 "max_volume".
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Ticket URL: <https://trac.ffmpeg.org/ticket/11287>
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