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 https://xiph.org/ * |
10 | * * |
11 | ******************************************************************** |
12 | |
13 | function: LPC low level routines |
14 | |
15 | ********************************************************************/ |
16 | |
17 | #ifndef _V_LPC_H_ |
18 | #define _V_LPC_H_ |
19 | |
20 | #include "vorbis/codec.h" |
21 | |
22 | /* simple linear scale LPC code */ |
23 | extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m); |
24 | |
25 | extern void vorbis_lpc_predict(float *coeff,float *prime,int m, |
26 | float *data,long n); |
27 | |
28 | #endif |
29 | |