X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=lib%2Flpc.h;h=2091afa171cdd014682148eb1feab2f4acaaddeb;hb=20104ce7e73d9fc0467e0b16f1d0b614836a4f56;hp=fe39ec83446f7c147c97c61327e2135233a64923;hpb=cab466d0585827812b4e562eb41a752dd56f1e53;p=platform%2Fupstream%2Flibvorbis.git

diff --git a/lib/lpc.h b/lib/lpc.h
index fe39ec8..2091afa 100644
--- a/lib/lpc.h
+++ b/lib/lpc.h
@@ -1,18 +1,17 @@
 /********************************************************************
  *                                                                  *
- * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE.  *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
- * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE.    *
- * PLEASE READ THESE TERMS DISTRIBUTING.                            *
+ * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000             *
- * by Monty <monty@xiph.org> and The XIPHOPHORUS Company            *
- * http://www.xiph.org/                                             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
+ * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
   function: LPC low level routines
-  last mod: $Id: lpc.h,v 1.8 2000/01/22 13:28:22 xiphmont Exp $
+  last mod: $Id$
 
  ********************************************************************/
 
@@ -20,38 +19,11 @@
 #define _V_LPC_H_
 
 #include "vorbis/codec.h"
-#include "smallft.h"
-
-typedef struct lpclook{
-  /* en/decode lookups */
-  int *linearmap;
-  double *barknorm;
-  drft_lookup fft;
-
-  int n;
-  int ln;
-  int m;
-
-} lpc_lookup;
-
-extern void lpc_init(lpc_lookup *l,int n, long mapped, long rate, int m);
-extern void lpc_clear(lpc_lookup *l);
 
 /* simple linear scale LPC code */
-extern double vorbis_lpc_from_data(double *data,double *lpc,int n,int m);
-extern double vorbis_lpc_from_spectrum(double *curve,double *lpc,lpc_lookup *l);
-
-/* log scale layer */
-extern double vorbis_curve_to_lpc(double *curve,double *lpc,lpc_lookup *l);
-extern void vorbis_lpc_to_curve(double *curve,double *lpc, double amp,
-				lpc_lookup *l);
-extern void vorbis_lpc_apply(double *residue,double *lpc, double amp,
-			     lpc_lookup *l);
+extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
 
-/* standard lpc stuff */
-extern void vorbis_lpc_residue(double *coeff,double *prime,int m,
-			double *data,long n);
-extern void vorbis_lpc_predict(double *coeff,double *prime,int m,
-			double *data,long n);
+extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
+                               float *data,long n);
 
 #endif