ref: a57a6e511f15c02b4fd2690197b6f1333b171193
dir: /sys/src/cmd/audio/libvorbis/lsp.h/
/******************************************************************** * * * 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