/*
 * paranormal: iterated pipeline-driven visualization plugin
 * Copyright (c) 2006, 2007 William Pitcock <nenolod@dereferenced.org>
 * Portions copyright (c) 2001 Jamie Gennis <jgennis@mindspring.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; under version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _PARANORMAL_H
#define _PARANORMAL_H

#include <glib.h>
#include <SDL.h>
#include <SDL_opengl.h>

#include "actuators.h"

struct pn_sound_data
{
  gint16 pcm_data[2][512];
  gint16 freq_data[2][256];
};

struct pn_image_data
{
  int width, height;
  struct pn_color cmap[256];
  guchar *surface[2];
};

/* The executable (ie xmms.c or standalone.c)
   is responsible for allocating this and filling
   it with default/saved values */
struct pn_rc
{
  struct pn_actuator *actuator;
};

/* core funcs */
void pn_init (void);
void pn_cleanup (void);
void pn_render (void);
void pn_swap_surfaces (void);

/* Implemented elsewhere (ie xmms.c or standalone.c) */
void pn_set_rc ();
void pn_fatal_error (const char *fmt, ...);
void pn_error (const char *fmt, ...);
void pn_quit (void);

/* Implimented in cfg.c */
void pn_configure (void);

/* globals used for rendering */
extern struct pn_rc         *pn_rc;
extern struct pn_sound_data *pn_sound_data;
extern struct pn_image_data *pn_image_data;

extern gboolean pn_new_beat;

/* global trig pre-computes */
extern float sin_val[360];
extern float cos_val[360];

/* beat detection */
int pn_is_new_beat(void);

#endif /* _PARANORMAL_H */
