| 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 1994-2009 * |
| 9 | * by the Xiph.Org Foundation https://xiph.org/ * |
| 10 | * * |
| 11 | ******************************************************************** |
| 12 | |
| 13 | function: LSP (also called LSF) conversion routines |
| 14 | |
| 15 | ********************************************************************/ |
| 16 | |
| 17 | |
| 18 | #ifndef _V_LSP_H_ |
| 19 | #define _V_LSP_H_ |
| 20 | |
| 21 | extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m); |
| 22 | |
| 23 | extern void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln, |
| 24 | float *lsp,int m, |
| 25 | float amp,float ampoffset); |
| 26 | |
| 27 | #endif |
| 28 | |