mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-02-21 15:43:45 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/********************************************************************
|
|
* *
|
|
* 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 1994-2001 *
|
|
* by the Xiph.Org Foundation https://xiph.org/ *
|
|
* *
|
|
********************************************************************
|
|
|
|
function: build a VQ codebook
|
|
|
|
********************************************************************/
|
|
|
|
#ifndef _VQGEN_H_
|
|
#define _VQGEN_H_
|
|
|
|
typedef struct vqgen{
|
|
int seeded;
|
|
int sorted;
|
|
|
|
int it;
|
|
int elements;
|
|
|
|
int aux;
|
|
float mindist;
|
|
int centroid;
|
|
|
|
/* point cache */
|
|
float *pointlist;
|
|
long points;
|
|
long allocated;
|
|
|
|
/* entries */
|
|
float *entrylist;
|
|
long *assigned;
|
|
float *bias;
|
|
long entries;
|
|
float *max;
|
|
|
|
float (*metric_func) (struct vqgen *v,float *entry,float *point);
|
|
float *(*weight_func) (struct vqgen *v,float *point);
|
|
|
|
FILE *asciipoints;
|
|
} vqgen;
|
|
|
|
typedef struct {
|
|
long min; /* packed 24 bit float */
|
|
long delta; /* packed 24 bit float */
|
|
int quant; /* 0 < quant <= 16 */
|
|
int sequencep; /* bitflag */
|
|
} quant_meta;
|
|
|
|
static inline float *_point(vqgen *v,long ptr){
|
|
return v->pointlist+((v->elements+v->aux)*ptr);
|
|
}
|
|
|
|
static inline float *_aux(vqgen *v,long ptr){
|
|
return _point(v,ptr)+v->aux;
|
|
}
|
|
|
|
static inline float *_now(vqgen *v,long ptr){
|
|
return v->entrylist+(v->elements*ptr);
|
|
}
|
|
|
|
extern void vqgen_init(vqgen *v,
|
|
int elements,int aux,int entries,float mindist,
|
|
float (*metric)(vqgen *,float *, float *),
|
|
float *(*weight)(vqgen *,float *),int centroid);
|
|
extern void vqgen_addpoint(vqgen *v, float *p,float *aux);
|
|
|
|
extern float vqgen_iterate(vqgen *v,int biasp);
|
|
extern void vqgen_unquantize(vqgen *v,quant_meta *q);
|
|
extern void vqgen_quantize(vqgen *v,quant_meta *q);
|
|
extern void vqgen_cellmetric(vqgen *v);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|