* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
- * by the XIPHOPHORUS Company http://www.xiph.org/ *
-
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
+ * by the Xiph.Org Foundation https://xiph.org/ *
+ * *
********************************************************************
function: LPC low level routines
- last mod: $Id: lpc.h,v 1.17 2001/02/26 03:50:42 xiphmont Exp $
********************************************************************/
#define _V_LPC_H_
#include "vorbis/codec.h"
-#include "smallft.h"
-
-typedef struct lpclook{
- /* en/decode lookups */
- drft_lookup fft;
-
- int ln;
- int m;
-
-} lpc_lookup;
-
-extern void lpc_init(lpc_lookup *l,long mapped, int m);
-extern void lpc_clear(lpc_lookup *l);
/* simple linear scale LPC code */
extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
-extern float vorbis_lpc_from_curve(float *curve,float *lpc,lpc_lookup *l);
extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
- float *data,long n);
+ float *data,long n);
#endif