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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 1.9 2000/02/05 23:31:50 xiphmont Exp $
********************************************************************/
#ifndef _V_PSY_H_
#define _V_PSY_H_
typedef struct {
int n;
struct vorbis_info_psy *vi;
double *maskthresh;
double *barknum;
int framebegin;
int frameend;
int subframelen;
int elements[4];
double cutoffs[4];
int quantval[4];
} 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_mask_floor(vorbis_look_psy *p,double *pcm,
double *mask,double *floor);
extern void _vp_quantize(vorbis_look_psy *p, double *pcm, double *mask,
double *floor,int *aux);
#endif
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