/* GStreamer
 * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
 *
 * gsttypefindfactory.h: typefinding subsystem
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __GST_TYPE_FIND_FACTORY_H__
#define __GST_TYPE_FIND_FACTORY_H__

#include <gst/gstcaps.h>
#include <gst/gstplugin.h>
#include <gst/gstpluginfeature.h>
#include <gst/gsttypefind.h>

G_BEGIN_DECLS

#define GST_TYPE_TYPE_FIND_FACTORY                 (gst_type_find_factory_get_type())
#define GST_TYPE_FIND_FACTORY(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactory))
#define GST_IS_TYPE_FIND_FACTORY(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TYPE_FIND_FACTORY))
#define GST_TYPE_FIND_FACTORY_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactoryClass))
#define GST_IS_TYPE_FIND_FACTORY_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TYPE_FIND_FACTORY))
#define GST_TYPE_FIND_FACTORY_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactoryClass))

typedef struct _GstTypeFindFactory GstTypeFindFactory;
typedef struct _GstTypeFindFactoryClass GstTypeFindFactoryClass;

/**
 * GstTypeFindFactory:
 *
 * Object that stores information about a typefind function.
 */
struct _GstTypeFindFactory {
  GstPluginFeature      feature;
  /* <private> */

  GstTypeFindFunction       function;
  gchar **          extensions;
  GstCaps *         caps; /* FIXME: not yet saved in registry */

  gpointer          user_data;
  GDestroyNotify        user_data_notify;

  gpointer _gst_reserved[GST_PADDING];
};

struct _GstTypeFindFactoryClass {
  GstPluginFeatureClass     parent;
  /* <private> */

  gpointer _gst_reserved[GST_PADDING];
};

/* typefinding interface */

GType           gst_type_find_factory_get_type      (void);

GList *     gst_type_find_factory_get_list      (void);

gchar **    gst_type_find_factory_get_extensions    (GstTypeFindFactory *factory);
GstCaps *   gst_type_find_factory_get_caps      (GstTypeFindFactory *factory);
void        gst_type_find_factory_call_function (GstTypeFindFactory *factory,
                             GstTypeFind *find);

G_END_DECLS

#endif /* __GST_TYPE_FIND_FACTORY_H__ */
