Encoder aac [AAC (Advanced Audio Coding)]:
    General capabilities: delay small 
    Threading capabilities: none
    Supported sample rates: 96000 88200 64000 48000 44100 32000 24000 22050 16000 12000 11025 8000 7350
    Supported sample formats: fltp
AAC encoder AVOptions:
  -aac_coder         <int>        E...A.... Coding algorithm (from 0 to 2) (default fast)
     anmr            0            E...A.... ANMR method
     twoloop         1            E...A.... Two loop searching method
     fast            2            E...A.... Default fast search
  -aac_ms            <boolean>    E...A.... Force M/S stereo coding (default auto)
  -aac_is            <boolean>    E...A.... Intensity stereo coding (default true)
  -aac_pns           <boolean>    E...A.... Perceptual noise substitution (default true)
  -aac_tns           <boolean>    E...A.... Temporal noise shaping (default true)
  -aac_ltp           <boolean>    E...A.... Long term prediction (default false)
  -aac_pred          <boolean>    E...A.... AAC-Main prediction (default false)
  -aac_pce           <boolean>    E...A.... Forces the use of PCEs (default false)


