1 files changed, 21 insertions, 7 deletions

diff --git a/src/osc.h b/src/osc.h
index 732f134..7fd0303 100644
--- a/src/osc.h
+++ b/src/osc.h
@@ -2,6 +2,9 @@
 #define OSC_H
 
 #include <math.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdlib.h>
   
 /**
  * The main idea of the osc is the following:
@@ -19,6 +22,14 @@ enum osc_type {
   WAVE,
   SAMPLE
 };
+struct osc_t;
+struct osc_ops {
+  void  (*set_start)(struct osc_t *, long);
+  void  (*set_end)  (struct osc_t *, long);
+  void  (*set_len)  (struct osc_t *, long);
+  float (*sample)   (struct osc_t *, float);
+  float (*next)     (struct osc_t *, float, float);
+};
 
 typedef struct osc_t {
   char name[16];
@@ -27,15 +38,16 @@ typedef struct osc_t {
   long start;
   long end;
   enum osc_type type;
+  const struct osc_ops * ops;
 } osc_t;
  
-#define MAKE_OSC(_name, _len, _type) {\
-    .name = _name,                    \
-      .data = 0,                      \
-      .len = _len,                    \
-      .start = 0,                     \
-      .end = _len,                    \
-      .type = _type,                  \
+#define MAKE_OSC(_name, _len, _type) { \
+      .name = _name,                   \
+      .data = 0,                       \
+      .len = _len,                     \
+      .start = 0,                      \
+      .end = _len,                     \
+      .type = _type,                   \
       };
 
 /* Initializes the wavetables and functions for the oscilators */
@@ -47,6 +59,8 @@ int osc_next_index(osc_t * osc, float offset);
 
 int osc_load_wav(osc_t * osc, const char * path);
 
+osc_t * make_tri(const char * name);
+
 /***************/
 /* OSCILATORS  */
 /***************/