41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
#ifndef ALC_HRTF_H
|
|
#define ALC_HRTF_H
|
|
|
|
#include "AL/al.h"
|
|
#include "AL/alc.h"
|
|
|
|
#include "alstring.h"
|
|
|
|
enum DevFmtChannels;
|
|
|
|
struct Hrtf;
|
|
|
|
typedef struct HrtfEntry {
|
|
al_string name;
|
|
al_string filename;
|
|
|
|
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);
|
|
ALuint GetMovingHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat elevation, ALfloat azimuth, ALfloat dirfact, ALfloat gain, ALfloat delta, ALint counter, ALfloat (*coeffs)[2], ALuint *delays, ALfloat (*coeffStep)[2], ALint *delayStep);
|
|
void GetBFormatHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat (*coeffs_list[4])[2], ALuint *delay_list[4]);
|
|
|
|
#endif /* ALC_HRTF_H */
|