#9278: support expression in aresample
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             Reporter:  yue          |                     Type:
                                     |  enhancement
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 aresample should take an expression rather than an integer value.

 suppose I want to write a graph that 1) upsample by 4x, 2) apply biquad
 filters 3)downsample by 4x

 currently I have to write something like "aresample=176400, equalizer ...,
 aresample=44100". with different file formats it's very inconvenient.


 a script would work in many cases. but not all scenarios can be supported
 by scripts. It would be better if this could be supported by expression.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9278>
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