Basic output working

src/source.h

@@ -0,0 +1,16 @@
+#ifndef SOURCE_H
+#define SOURCE_H
+
+#include <stdint.h>
+
+typedef struct  {
+  int sampleCount;
+  int16_t *samples;
+} source_t;
+
+int source_initSilence(source_t *self, int samples);
+char const* source_init(source_t *self, char const* filename);
+void source_deinit(source_t *self);
+
+
+#endif