4d48b091 |
1 | /******************************************************************** |
2 | * * |
3 | * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * |
4 | * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
5 | * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
6 | * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
7 | * * |
8 | * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 * |
9 | * by the Xiph.Org Foundation http://www.xiph.org/ * |
10 | * * |
11 | ******************************************************************** |
12 | |
13 | function: LPC low level routines |
14 | last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $ |
15 | |
16 | ********************************************************************/ |
17 | |
18 | #ifndef _V_LPC_H_ |
19 | #define _V_LPC_H_ |
20 | |
21 | /* simple linear scale LPC code */ |
22 | extern float vorbis_lpc_from_data(short *data,float *lpc,int n,int m,int stride); |
23 | |
24 | extern void vorbis_lpc_predict(float *coeff,short *prime,int m, |
25 | short *data,long n,int stride); |
26 | |
27 | #endif |