src/mdaPianoVoice.h

   1 #ifndef MDA_PIANO_VOICE_H
   2 #define MDA_PIANO_VOICE_H
   3
   4 #include "mdaPianoCommon.h"
   5 #include "mdaPiano.peg"
   6
   7 #pragma GCC system_header
   8 #include <lv2synth.hpp>
   9
  10 enum Param {
  11   Default,
  12   Current
  13 };
  14
  15 class mdaPianoVoice : public LV2::Voice {
  16   private:
  17     float Fs, iFs;
  18
  19     /// global internal variables
  20     KGRP  *kgrp;
  21     short *waves;
  22     float default_preset[NPARAMS]; // contains the default preset
  23     short sustain;
  24     float *comb, cdep, width, trim;
  25     float fine, random, stretch;
  26     float volume, muff, muffvel, sizevel, velsens;
  27     uint32_t cpos, size, poly;
  28
  29     // voice state
  30     uint32_t  delta;  //sample playback
  31     uint32_t  frac;
  32     uint32_t  pos;
  33     uint32_t  end;
  34     uint32_t  loop;
  35
  36     float env;  //envelope
  37     float dec;
  38
  39     float f0;   //first-order LPF
  40     float f1;
  41     float ff;
  42
  43     float outl;
  44     float outr;
  45     uint32_t  note; //remember what note triggered this
  46     // end of voice state
  47
  48   protected:
  49     unsigned char m_key;
  50
  51   public:
  52     mdaPianoVoice(double, short*, KGRP*);
  53     void set_sustain(unsigned short v) { sustain = v; }
  54     void set_volume(float v) { volume = v; }
  55     void set_muff(float v) { muff = v; }
  56
  57     float p_helper(unsigned short, Param);
  58     void update(Param); // recalculates internal variables
  59     void on(unsigned char key, unsigned char velocity);
  60     void release(unsigned char velocity);
  61     void reset(void);
  62     bool is_sustained(void) { return (note == SUSTAIN); }
  63     unsigned char get_key(void) const { return m_key; }
  64 };
  65
  66 #endif