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 "../../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