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