#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#define MAX_DELAY 1000

struct _echo{
	gboolean on;
	GtkWidget *chk;
	GtkWidget *hs_echo_delay;
	GtkWidget *hs_echo_feedback;
	GtkWidget *hs_echo_wet;
	gint delay;
	gint feedback;
	gint wet;
};

void echo_init(struct _echo *);
void echo_quit();
void echo_apply_change(struct _echo *);
gint echo_play_it(gint16 **buffer,gint,struct _echo *,gint,gint,gint);
void echo_cleanup(void);