rockbox_ffi

-record(config, {
    sample_rate :: integer(),
    buffer_seconds :: float(),
    volume :: float(),
    replaygain_mode :: integer(),
    replaygain_preamp_db :: float(),
    replaygain_prevent_clipping :: boolean(),
    crossfade_mode :: integer(),
    fade_out_delay_ms :: integer(),
    fade_out_duration_ms :: integer(),
    fade_in_delay_ms :: integer(),
    fade_in_duration_ms :: integer(),
    mix_mode :: integer()
}).