Example Code: examples/SFExamples/oggvorbiscodec94/src/libvorbis/lib/lpc.h Source File

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