al/filter.h

   1 #ifndef AL_FILTER_H
   2 #define AL_FILTER_H
   3
   4
   5 #include "AL/al.h"
   6 #include "AL/alc.h"
   7 #include "AL/alext.h"
   8
   9 #include "almalloc.h"
  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
  40     void setParami(ALenum param, int value) { vtab->setParami(this, param, value); }
  41     void setParamiv(ALenum param, const int *values) { vtab->setParamiv(this, param, values); }
  42     void setParamf(ALenum param, float value) { vtab->setParamf(this, param, value); }
  43     void setParamfv(ALenum param, const float *values) { vtab->setParamfv(this, param, values); }
  44     void getParami(ALenum param, int *value) const { vtab->getParami(this, param, value); }
  45     void getParamiv(ALenum param, int *values) const { vtab->getParamiv(this, param, values); }
  46     void getParamf(ALenum param, float *value) const { vtab->getParamf(this, param, value); }
  47     void getParamfv(ALenum param, float *values) const { vtab->getParamfv(this, param, values); }
  48
  49     DISABLE_ALLOC()
  50 };
  51
  52 #endif