1 /* GStreamer
2 * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
3 *
4 * gsttypefindelement.h: element that detects type of stream
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 */
23 #ifndef __GST_TYPE_FIND_ELEMENT_H__
24 #define __GST_TYPE_FIND_ELEMENT_H__
26 #include <gst/gstinfo.h>
27 #include <gst/gstelement.h>
29 G_BEGIN_DECLS
33 #define GST_TYPE_TYPE_FIND_ELEMENT (gst_type_find_element_get_type ())
34 #define GST_TYPE_FIND_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TYPE_FIND_ELEMENT, GstTypeFindElement))
35 #define GST_IS_TYPE_FIND_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TYPE_FIND_ELEMENT))
36 #define GST_TYPE_FIND_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TYPE_FIND_ELEMENT, GstTypeFindElementClass))
37 #define GST_IS_TYPE_FIND_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TYPE_FIND_ELEMENT))
38 #define GST_TYPE_FIND_ELEMENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TYPE_FIND_ELEMENT, GstTypeFindElementClass))
40 typedef struct _GstTypeFindElement GstTypeFindElement;
41 typedef struct _GstTypeFindElementClass GstTypeFindElementClass;
43 /**
44 * GstTypeFindElement:
45 *
46 * Opaque #GstTypeFindElement data structure
47 */
48 struct _GstTypeFindElement {
49 GstElement element;
51 GstPad * sink;
52 GstPad * src;
54 guint min_probability;
55 guint max_probability;
56 GstCaps * caps;
58 guint mode;
59 GstBuffer * store;
61 GList * cached_events;
62 GstCaps * force_caps;
63 };
65 struct _GstTypeFindElementClass {
66 GstElementClass parent_class;
68 /* signals */
69 void (*have_type) (GstTypeFindElement *element,
70 guint probability,
71 const GstCaps * caps);
72 };
74 GType gst_type_find_element_get_type (void);
76 G_END_DECLS
78 #endif /* __GST_TYPE_FIND_ELEMENT_H__ */