Encoder libmp3lame [libmp3lame MP3 (MPEG audio layer 3)]:
    Supported sample rates: 44100 48000 32000 22050 24000 16000 11025 12000 8000
    Supported sample formats: s32p fltp s16p
    Supported channel layouts: mono stereo
libmp3lame encoder AVOptions:
-reservoir         <int>        E...A. Use bit reservoir. (from 0 to 1)

