#include <math.h>
#include <malloc.h>
#include "tune.h"
#include "foobuf.h"

float play(void *obj, double time, float in)
{
	struct {
		struct foobuf *buf;
	} *state = obj;
	struct_init(&state);
	foobuf_init(&state->buf, 48000);

	float out = in*0.5 + foobuf_read(state->buf, 0)*0.5;
	foobuf_write(state->buf, out);
	return out;

	// return sin(2. * M_PI * time * 440.) * 0.25 + in * 0.75;
}