src/mdaPianoCommon.h

   1 #ifndef MDA_PIANO_COMMON_H
   2 #define MDA_PIANO_COMMON_H
   3
   4 #define NPARAMS 12       //number of parameters
   5 #define NOUTS    2       //number of outputs
   6 #define NVOICES 64       //max polyphony
   7 #define SUSTAIN 128
   8 #define SILENCE 0.0001f  //voice choking
   9 #define PARAM_OFFSET 3 //offset for param enum
  10 #define SAMPLES_PER_NOTE 1
  11
  12 struct KGRP  //keygroup
  13 {
  14   long root;  //MIDI root note
  15   long high;  //highest note
  16   long loop;
  17 };
  18
  19 typedef struct
  20 {
  21   long size;     //length of sample data
  22   short* buffer; //pointer to sample data
  23 } Sample;
  24
  25 static float scale_midi_to_f(unsigned char data)
  26 {
  27   return 0.0078f * (float)(data);
  28 }
  29
  30 static unsigned char p_offset(unsigned char i)
  31 {
  32   return (i - PARAM_OFFSET);
  33 }
  34
  35 #endif