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#ifndef ALC_HRTF_H
#define ALC_HRTF_H
#include "AL/al.h"
#include "AL/alc.h"
enum DevFmtChannels;
struct Hrtf;
#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)
const struct Hrtf *GetHrtf(enum DevFmtChannels chans, ALCuint srate);
ALCboolean FindHrtfFormat(enum DevFmtChannels *chans, ALCuint *srate);
void FreeHrtfs(void);
ALuint GetHrtfIrSize(const struct Hrtf *Hrtf);
void GetLerpedHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat elevation, ALfloat azimuth, ALfloat (*coeffs)[2], ALuint *delays);
#endif /* ALC_HRTF_H */
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