68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
#ifndef _AL_FILTER_H_
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#define _AL_FILTER_H_
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#include "AL/alc.h"
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#include "AL/al.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define LOWPASSFREQREF (5000.0f)
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#define HIGHPASSFREQREF (250.0f)
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struct ALfilter;
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typedef struct ALfilterVtable {
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void (*const setParami)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALint val);
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void (*const setParamiv)(struct ALfilter *filter, ALCcontext *context, ALenum param, const ALint *vals);
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void (*const setParamf)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val);
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void (*const setParamfv)(struct ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals);
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void (*const getParami)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALint *val);
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void (*const getParamiv)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALint *vals);
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void (*const getParamf)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val);
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void (*const getParamfv)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals);
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} ALfilterVtable;
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#define DEFINE_ALFILTER_VTABLE(T) \
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const struct ALfilterVtable T##_vtable = { \
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T##_setParami, T##_setParamiv, \
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T##_setParamf, T##_setParamfv, \
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T##_getParami, T##_getParamiv, \
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T##_getParamf, T##_getParamfv, \
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}
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typedef struct ALfilter {
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// Filter type (AL_FILTER_NULL, ...)
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ALenum type;
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ALfloat Gain;
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ALfloat GainHF;
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ALfloat HFReference;
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ALfloat GainLF;
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ALfloat LFReference;
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const struct ALfilterVtable *vtab;
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/* Self ID */
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ALuint id;
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} ALfilter;
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#define ALfilter_setParami(o, c, p, v) ((o)->vtab->setParami(o, c, p, v))
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#define ALfilter_setParamf(o, c, p, v) ((o)->vtab->setParamf(o, c, p, v))
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#define ALfilter_setParamiv(o, c, p, v) ((o)->vtab->setParamiv(o, c, p, v))
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#define ALfilter_setParamfv(o, c, p, v) ((o)->vtab->setParamfv(o, c, p, v))
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#define ALfilter_getParami(o, c, p, v) ((o)->vtab->getParami(o, c, p, v))
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#define ALfilter_getParamf(o, c, p, v) ((o)->vtab->getParamf(o, c, p, v))
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#define ALfilter_getParamiv(o, c, p, v) ((o)->vtab->getParamiv(o, c, p, v))
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#define ALfilter_getParamfv(o, c, p, v) ((o)->vtab->getParamfv(o, c, p, v))
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void ReleaseALFilters(ALCdevice *device);
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#ifdef __cplusplus
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}
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#endif
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#endif
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