2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
24 #ifndef __GST_CAPS_FILTER_H__
25 #define __GST_CAPS_FILTER_H__
29 #include <gst/base/gstbasetransform.h>
33 #define GST_TYPE_CAPS_FILTER \
34 (gst_capsfilter_get_type())
35 #define GST_CAPS_FILTER(obj) \
36 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CAPS_FILTER,GstCapsFilter))
37 #define GST_CAPS_FILTER_CLASS(klass) \
38 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CAPS_FILTER,GstCapsFilterClass))
39 #define GST_IS_CAPS_FILTER(obj) \
40 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CAPS_FILTER))
41 #define GST_IS_CAPS_FILTER_CLASS(klass) \
42 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CAPS_FILTER))
44 typedef struct _GstCapsFilter GstCapsFilter;
45 typedef struct _GstCapsFilterClass GstCapsFilterClass;
48 * GstCapsFilterCapsChangeMode:
49 * @GST_CAPS_FILTER_CAPS_CHANGE_MODE_IMMEDIATE: Only accept the current filter caps
50 * @GST_CAPS_FILTER_CAPS_CHANGE_MODE_DELAYED: Temporarily accept previous filter caps
52 * Filter caps change behaviour
55 GST_CAPS_FILTER_CAPS_CHANGE_MODE_IMMEDIATE,
56 GST_CAPS_FILTER_CAPS_CHANGE_MODE_DELAYED
57 } GstCapsFilterCapsChangeMode;
62 * The opaque #GstCapsFilter data structure.
64 struct _GstCapsFilter {
65 GstBaseTransform trans;
68 gboolean filter_caps_used;
69 GstCapsFilterCapsChangeMode caps_change_mode;
70 gboolean got_sink_caps;
72 GList *pending_events;
76 struct _GstCapsFilterClass {
77 GstBaseTransformClass trans_class;
80 G_GNUC_INTERNAL GType gst_capsfilter_get_type (void);
84 #endif /* __GST_CAPS_FILTER_H__ */