lsp.h

OGG文件格式音频数解压缩SDK.现在OGG文件格式在一些游戏开发中使用的比较多.

/********************************************************************
 *                                                                  *
 * 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 1994-2002             *
 * by the XIPHOPHORUS Company http://www.xiph.org/                  *
 *                                                                  *
 ********************************************************************

  function: LSP (also called LSF) conversion routines
  last mod: $Id: lsp.h,v 1.11 2002/07/11 06:40:49 xiphmont Exp $

 ********************************************************************/


#ifndef _V_LSP_H_
#define _V_LSP_H_

extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);

extern void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,
				float *lsp,int m,
				float amp,float ampoffset);
  
#endif