void(* decorrelate[4])(uint8_t **out, int32_t **in, int channels, int len, int shift)
void(* lpc33)(int64_t *samples, const int32_t *residual, const int coeffs[32], int pred_order, int qlevel, int len)
void(* lpc32)(int32_t *samples, const int coeffs[32], int order, int qlevel, int len)
void(* lpc16)(int32_t *samples, const int coeffs[32], int order, int qlevel, int len)
void(* wasted32)(int32_t *decoded, int wasted, int len)
void(* wasted33)(int64_t *decoded, const int32_t *residual, int wasted, int len)