int ff_lpc_calc_ref_coefs(LPCContext *s,
const int32_t *samples, int order, double *ref);
-int ff_lpc_calc_levinson(LPCContext *s, const float *samples, int len,
- double lpc[][MAX_LPC_ORDER], int min_order,
- int max_order, int omethod);
+double ff_lpc_calc_ref_coefs_f(LPCContext *s, const float *samples, int len,
+ int order, double *ref);
/**
* Initialize LPCContext.