AuroraOpenALSoft/Alc/hrtf.h
2016-02-20 21:01:24 -08:00

36 lines
891 B
C

#ifndef ALC_HRTF_H
#define ALC_HRTF_H
#include "AL/al.h"
#include "AL/alc.h"
#include "alstring.h"
struct Hrtf;
typedef struct HrtfEntry {
al_string name;
const struct Hrtf *hrtf;
} HrtfEntry;
TYPEDEF_VECTOR(HrtfEntry, vector_HrtfEntry)
#define HRIR_BITS (7)
#define HRIR_LENGTH (1<<HRIR_BITS)
#define HRIR_MASK (HRIR_LENGTH-1)
#define HRTFDELAY_BITS (20)
#define HRTFDELAY_FRACONE (1<<HRTFDELAY_BITS)
#define HRTFDELAY_MASK (HRTFDELAY_FRACONE-1)
void FreeHrtfs(void);
vector_HrtfEntry EnumerateHrtf(const_al_string devname);
void FreeHrtfList(vector_HrtfEntry *list);
ALuint GetHrtfSampleRate(const struct Hrtf *Hrtf);
ALuint GetHrtfIrSize(const struct Hrtf *Hrtf);
void GetLerpedHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat elevation, ALfloat azimuth, ALfloat dirfact, ALfloat gain, ALfloat (*coeffs)[2], ALuint *delays);
#endif /* ALC_HRTF_H */