1 #ifndef AL_FILTER_H 2 #define AL_FILTER_H 3 4 #include "AL/al.h" 5 #include "AL/alc.h" 6 #include "AL/alext.h" 7 8 #include "almalloc.h" 9 10 11 #define LOWPASSFREQREF 5000.0f 12 #define HIGHPASSFREQREF 250.0f 13 14 15 struct ALfilter { 16 ALenum type{AL_FILTER_NULL}; 17 18 float Gain{1.0f}; 19 float GainHF{1.0f}; 20 float HFReference{LOWPASSFREQREF}; 21 float GainLF{1.0f}; 22 float LFReference{HIGHPASSFREQREF}; 23 24 struct Vtable { 25 void (*const setParami )(ALfilter *filter, ALenum param, int val); 26 void (*const setParamiv)(ALfilter *filter, ALenum param, const int *vals); 27 void (*const setParamf )(ALfilter *filter, ALenum param, float val); 28 void (*const setParamfv)(ALfilter *filter, ALenum param, const float *vals); 29 30 void (*const getParami )(const ALfilter *filter, ALenum param, int *val); 31 void (*const getParamiv)(const ALfilter *filter, ALenum param, int *vals); 32 void (*const getParamf )(const ALfilter *filter, ALenum param, float *val); 33 void (*const getParamfv)(const ALfilter *filter, ALenum param, float *vals); 34 }; 35 const Vtable *vtab{nullptr}; 36 37 /* Self ID */ 38 ALuint id{0}; 39 setParamiALfilter40 void setParami(ALenum param, int value) { vtab->setParami(this, param, value); } setParamivALfilter41 void setParamiv(ALenum param, const int *values) { vtab->setParamiv(this, param, values); } setParamfALfilter42 void setParamf(ALenum param, float value) { vtab->setParamf(this, param, value); } setParamfvALfilter43 void setParamfv(ALenum param, const float *values) { vtab->setParamfv(this, param, values); } getParamiALfilter44 void getParami(ALenum param, int *value) const { vtab->getParami(this, param, value); } getParamivALfilter45 void getParamiv(ALenum param, int *values) const { vtab->getParamiv(this, param, values); } getParamfALfilter46 void getParamf(ALenum param, float *value) const { vtab->getParamf(this, param, value); } getParamfvALfilter47 void getParamfv(ALenum param, float *values) const { vtab->getParamfv(this, param, values); } 48 49 DISABLE_ALLOC() 50 }; 51 52 #endif 53