[fdkaac.git] / src / lpc.h

/********************************************************************
 *                                                                  *
 * 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(short *data,float *lpc,int n,int m,int stride);

extern void vorbis_lpc_predict(float *coeff,short *prime,int m,
                               short *data,long n,int stride);

#endif
Commit	Line	Data
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