Filter resample
  Audio resampling and conversion.
    Inputs:
       #0: default (audio)
    Outputs:
       #0: default (audio)
AVAudioResampleContext AVOptions:
  -in_channel_layout <int64>      ....A... Input Channel Layout (from I64_MIN to I64_MAX) (default 0)
  -in_sample_fmt     <int>        ....A... Input Sample Format (from 0 to 11) (default 1)
  -in_sample_rate    <int>        ....A... Input Sample Rate (from 1 to INT_MAX) (default 48000)
  -out_channel_layout <int64>      ....A... Output Channel Layout (from I64_MIN to I64_MAX) (default 0)
  -out_sample_fmt    <int>        ....A... Output Sample Format (from 0 to 11) (default 1)
  -out_sample_rate   <int>        ....A... Output Sample Rate (from 1 to INT_MAX) (default 48000)
  -internal_sample_fmt <int>        ....A... Internal Sample Format (from -1 to 11) (default -1)
     u8                           ....A... 8-bit unsigned integer
     s16                          ....A... 16-bit signed integer
     s32                          ....A... 32-bit signed integer
     flt                          ....A... 32-bit float
     dbl                          ....A... 64-bit double
     u8p                          ....A... 8-bit unsigned integer planar
     s16p                         ....A... 16-bit signed integer planar
     s32p                         ....A... 32-bit signed integer planar
     fltp                         ....A... 32-bit float planar
     dblp                         ....A... 64-bit double planar
  -mix_coeff_type    <int>        ....A... Mixing Coefficient Type (from 0 to 2) (default flt)
     q8                           ....A... 16-bit 8.8 Fixed-Point
     q15                          ....A... 32-bit 17.15 Fixed-Point
     flt                          ....A... Floating-Point
  -center_mix_level  <double>     ....A... Center Mix Level (from -32 to 32) (default 0.707107)
  -surround_mix_level <double>     ....A... Surround Mix Level (from -32 to 32) (default 0.707107)
  -lfe_mix_level     <double>     ....A... LFE Mix Level (from -32 to 32) (default 0)
  -normalize_mix_level <int>        ....A... Normalize Mix Level (from 0 to 1) (default 1)
  -force_resampling  <int>        ....A... Force Resampling (from 0 to 1) (default 0)
  -filter_size       <int>        ....A... Resampling Filter Size (from 0 to 32) (default 16)
  -phase_shift       <int>        ....A... Resampling Phase Shift (from 0 to 30) (default 10)
  -linear_interp     <int>        ....A... Use Linear Interpolation (from 0 to 1) (default 0)
  -cutoff            <double>     ....A... Cutoff Frequency Ratio (from 0 to 1) (default 0.8)
  -resample_cutoff   <double>     ....A... Cutoff Frequency Ratio (from 0 to 1) (default 0.8)
  -matrix_encoding   <int>        ....A... Matrixed Stereo Encoding (from 0 to 6) (default none)
     none                         ....A... None
     dolby                        ....A... Dolby
     dplii                        ....A... Dolby Pro Logic II
  -filter_type       <int>        ....A... Filter Type (from 0 to 2) (default kaiser)
     cubic                        ....A... Cubic
     blackman_nuttall              ....A... Blackman Nuttall Windowed Sinc
     kaiser                       ....A... Kaiser Windowed Sinc
  -kaiser_beta       <int>        ....A... Kaiser Window Beta (from 2 to 16) (default 9)
  -dither_method     <int>        ....A... Dither Method (from 0 to 4) (default none)
     none                         ....A... No Dithering
     rectangular                  ....A... Rectangular Dither
     triangular                   ....A... Triangular Dither
     triangular_hp                ....A... Triangular Dither With High Pass
     triangular_ns                ....A... Triangular Dither With Noise Shaping


