Encoder hap [Vidvox Hap]:
    General capabilities: none
    Threading capabilities: none
    Supported pixel formats: rgba
Hap encoder AVOptions:
  -format            <int>        E..V..... (from 11 to 15) (default hap)
     hap                          E..V..... Hap 1 (DXT1 textures)
     hap_alpha                    E..V..... Hap Alpha (DXT5 textures)
     hap_q                        E..V..... Hap Q (DXT5-YCoCg textures)
  -chunks            <int>        E..V..... chunk count (from 1 to 64) (default 1)
  -compressor        <int>        E..V..... second-stage compressor (from 160 to 176) (default snappy)
     none                         E..V..... None
     snappy                       E..V..... Snappy


