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       lsp.h (1186B)
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            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 1994-2002             *
            9  * by the XIPHOPHORUS Company http://www.xiph.org/                  *
           10  *                                                                  *
           11  ********************************************************************
           12 
           13   function: LSP (also called LSF) conversion routines
           14   last mod: $Id: lsp.h 1919 2005-07-24 14:18:04Z baford $
           15 
           16  ********************************************************************/
           17 
           18 
           19 #ifndef _V_LSP_H_
           20 #define _V_LSP_H_
           21 
           22 extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);
           23 
           24 extern void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,
           25                                 float *lsp,int m,
           26                                 float amp,float ampoffset);
           27   
           28 #endif