cog/Frameworks/Dumb/dumb/include/internal/lpc.h

31 lines
1.3 KiB
C

/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: LPC low level routines
last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
#ifndef _V_LPC_H_
#define _V_LPC_H_
/* simple linear scale LPC code */
extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
float *data,long n);
struct DUMB_IT_SIGDATA;
extern void dumb_it_add_lpc(struct DUMB_IT_SIGDATA *sigdata);
#endif