00001 /******************************************************************** 00002 * * 00003 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * 00004 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * 00005 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * 00006 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * 00007 * * 00008 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 * 00009 * by the XIPHOPHORUS Company http://www.xiph.org/ * 00010 * * 00011 ******************************************************************** 00012 00013 function: LPC low level routines 00014 last mod: $Id: lpc.h 7187 2004-07-20 07:24:27Z xiphmont $ 00015 00016 ********************************************************************/ 00017 00018 #ifndef _V_LPC_H_ 00019 #define _V_LPC_H_ 00020 00021 #include "vorbis/codec.h" 00022 00023 /* simple linear scale LPC code */ 00024 extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m); 00025 00026 extern void vorbis_lpc_predict(float *coeff,float *prime,int m, 00027 float *data,long n); 00028 00029 #endif