org.h

   1 /*
   2 org.c
   3 various software synths and samples
   4
   5 Copyright (C) 2009 Evan Rinehart
   6
   7 This software comes with no warranty.
   8 1. This software can be used for any purpose, good or evil.
   9 2. Modifications must retain this license, at least in spirit.
  10 */
  11
  12 #define SAMPLE_RATE 44100
  13 #define PI 3.1415926535897931
  14 #define PI2 2*PI
  15
  16 enum {
  17         EV_NOTEON = 0x90,
  18         EV_NOTEOFF = 0x80,
  19         EV_CONTROLLER = 0xC0,
  20         EV_PITCHBEND = 0xE0
  21 };
  22
  23 typedef void (*mix_callback)(void* data, float out[], int count);
  24 typedef void (*control_callback)(void* data, int type, int val1, int val2, int val);
  25 typedef void (*cleanup_callback)(void* data);
  26
  27 typedef struct {
  28         mix_callback mix;
  29         control_callback control;
  30         cleanup_callback cleanup;
  31         void* data;
  32 } instrument;
  33
  34 enum instrument_name {
  35 ORG_DEFAULT,
  36 ORG_KARPLUS,
  37 ORG_UNKNOWN
  38 };
  39
  40
  41
  42 instrument load_instrument(enum instrument_name name);
  43 void org_init();