Example Code: examples/SFExamples/oggvorbiscodec/src/libvorbis/lib/lsp.h Source File

00001 /********************************************************************
00002  *                                                                  *
00003  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
00004  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
00005  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
00006  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
00007  *                                                                  *
00008  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002             *
00009  * by the XIPHOPHORUS Company http://www.xiph.org/                  *
00010  *                                                                  *
00011  ********************************************************************
00012 
00013   function: LSP (also called LSF) conversion routines
00014   last mod: $Id: lsp.h 7187 2004-07-20 07:24:27Z xiphmont $
00015 
00016  ********************************************************************/
00017 
00018 
00019 #ifndef _V_LSP_H_
00020 #define _V_LSP_H_
00021 
00022 extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);
00023 
00024 extern void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,
00025                                 float *lsp,int m,
00026                                 float amp,float ampoffset);
00027   
00028 #endif