orc.h

   1 /*
   2 orc.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 PI 3.1415926535897931
  13 #define PI2 2*PI
  14
  15 enum {
  16         EV_NOTEON = 0x90,
  17         EV_NOTEOFF = 0x80,
  18         EV_CONTROLLER = 0xC0,
  19         EV_PITCHBEND = 0xE0
  20 };
  21
  22 typedef void (*mix_callback)(void* data, float out[], int count);
  23 typedef void (*control_callback)(void* data, int type, int val1, int val2, int val);
  24 typedef void (*cleanup_callback)(void* data);
  25
  26 typedef struct {
  27         mix_callback mix;
  28         control_callback control;
  29         cleanup_callback cleanup;
  30         void* data;
  31 } instrument;
  32
  33 enum instrument_name {
  34 ORC_DEFAULT,
  35 ORC_KARPLUS,
  36 ORC_UNKNOWN
  37 };
  38
  39
  40
  41 instrument orc_load(enum instrument_name name);
  42 void orc_init(int sample_rate);