Decoder ac3_fixed [ATSC A/52A (AC-3)]:
    General capabilities: dr1 
    Threading capabilities: none
    Supported sample formats: s16p
Fixed-Point AC-3 Decoder AVOptions:
  -cons_noisegen     <boolean>    .D..A.... enable consistent noise generation (default false)
  -drc_scale         <float>      .D..A.... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
  -heavy_compr       <boolean>    .D..A.... enable heavy dynamic range compression (default false)


