| 1 | /********************************************************************
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| 2 | * *
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| 3 | * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
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| 4 | * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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| 5 | * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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| 6 | * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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| 7 | * *
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| 8 | * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
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| 9 | * by the Xiph.Org Foundation https://xiph.org/ *
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| 10 | * *
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| 11 | ********************************************************************
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| 12 |
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| 13 | function: LSP (also called LSF) conversion routines
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| 14 |
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| 15 | ********************************************************************/
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| 16 |
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| 17 |
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| 18 | #ifndef _V_LSP_H_
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| 19 | #define _V_LSP_H_
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| 20 |
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| 21 | extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);
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| 22 |
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| 23 | extern void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,
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| 24 | float *lsp,int m,
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| 25 | float amp,float ampoffset);
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| 26 |
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| 27 | #endif
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