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/********************************************************************
* *
* THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
* THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE. *
* PLEASE READ THESE TERMS DISTRIBUTING. *
* *
* THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000 *
* by Monty <monty@xiph.org> and The XIPHOPHORUS Company *
* http://www.xiph.org/ *
* *
********************************************************************
function: random psychoacoustics (not including preecho)
last mod: $Id: psy.h,v 1.11.2.2.2.4 2000/05/04 06:13:28 xiphmont Exp $
********************************************************************/
#ifndef _V_PSY_H_
#define _V_PSY_H_
#include "smallft.h"
#ifndef EHMER_MAX
#define EHMER_MAX 56
#endif
typedef struct {
int n;
struct vorbis_info_psy *vi;
double ***tonecurves;
double ***noisecurves;
double *ath;
int *octave;
} vorbis_look_psy;
extern void _vp_psy_init(vorbis_look_psy *p,vorbis_info_psy *vi,int n,long rate);
extern void _vp_psy_clear(vorbis_look_psy *p);
extern void *_vi_psy_dup(void *source);
extern void _vi_psy_free(vorbis_info_psy *i);
extern void _vp_compute_mask(vorbis_look_psy *p,double *f,
double *floor,
double *decay);
extern void _vp_apply_floor(vorbis_look_psy *p,double *f,
double *flr);
#endif
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