1 /* GStreamer
2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
20 #ifndef __GST_FILTER_H__
21 #define __GST_FILTER_H__
23 #include <glib.h>
25 G_BEGIN_DECLS
27 /**
28 * GstFilterFunc:
29 * @obj: the object
30 * @user_data: filter data
31 *
32 * Function prototype for a filter callback that can be use in gst_filter_run().
33 * The function should apply its filtering to @obj. Additional data passed to
34 * gst_filter_run() are in @data.
35 *
36 * Returns: %TRUE for success.
37 */
38 #ifndef GST_DISABLE_DEPRECATED
39 typedef gboolean (*GstFilterFunc) (gpointer obj, gpointer user_data);
40 #endif
42 #ifndef GST_DISABLE_DEPRECATED
43 GList* gst_filter_run (const GList *list, GstFilterFunc func, gboolean first, gpointer user_data);
44 #endif
46 G_END_DECLS
48 #endif /* __GST_FILTER_H_ */