Filter ebur128
  EBU R128 scanner.
    Inputs:
       #0: default (audio)
    Outputs:
        dynamic (depending on the options)
ebur128 AVOptions:
  video             <boolean>    ..FV..... set video output (default false)
  size              <image_size> ..FV..... set video size (default "640x480")
  meter             <int>        ..FV..... set scale meter (+9 to +18) (from 9 to 18) (default 9)
  framelog          <int>        ..FVA.... force frame logging level (from INT_MIN to INT_MAX) (default -1)
     info                         ..FVA.... information logging level
     verbose                      ..FVA.... verbose logging level
  metadata          <boolean>    ..FVA.... inject metadata in the filtergraph (default false)
  peak              <flags>      ..F.A.... set peak mode (default 0)
     none                         ..F.A.... disable any peak mode
     sample                       ..F.A.... enable peak-sample mode
     true                         ..F.A.... enable true-peak mode
  dualmono          <boolean>    ..F.A.... treat mono input files as dual-mono (default false)
  panlaw            <double>     ..F.A.... set a specific pan law for dual-mono files (from -10 to 0) (default -3.0103)


