Add cmake as optional build system to Travis-CI configuration

[platform/upstream/libvorbis.git] / lib / lpc.h

diff --git a/lib/lpc.h b/lib/lpc.h
index 431d7ab..2091afa 100644 (file)
--- a/lib/lpc.h
+++ b/lib/lpc.h
@@ -1,27 +1,29 @@
 /********************************************************************
  *                                                                  *
- * 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 1994-1999             *
- * by 1999 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: $Id$
 
  ********************************************************************/
 
 #ifndef _V_LPC_H_
 #define _V_LPC_H_
 
-extern double vorbis_curve_to_lpc(double *curve,int n,double *lpc,int m);
-extern void vorbis_lpc_to_curve(double *curve,int n,double *lpc, 
-                               double amp,int m);
-extern void vorbis_lpc_apply(double *residue,int n,double *lpc, 
-                             double amp,int m);
+#include "vorbis/codec.h"
+
+/* simple linear scale LPC code */
+extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
+
+extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
+                               float *data,long n);
 
 #endif