1 /* GStreamer Element
2  *
3  * Copyright 2011 Collabora Ltd.
4  *  @author: Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
5  * Copyright 2011 Nokia Corp.
6  *
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.
11  *
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.
16  *
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.
21  */
22 
23 
24 #ifndef __GST_COMPARE_H__
25 #define __GST_COMPARE_H__
26 
27 
28 #include <gst/gst.h>
29 
30 G_BEGIN_DECLS
31 
32 #define GST_TYPE_COMPARE \
33   (gst_compare_get_type())
34 #define GST_COMPARE(obj) \
35   (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_COMPARE, GstCompare))
36 #define GST_COMPARE_CLASS(klass) \
37   (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_COMPARE, GstCompareClass))
38 #define GST_COMPARE_GET_CLASS(obj) \
39   (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_COMPARE, GstCompareClass))
40 #define GST_IS_COMPARE(obj) \
41   (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_COMPARE))
42 #define GST_IS_COMPARE_CLASS(klass) \
43   (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_COMPARE))
44 
45 typedef struct _GstCompare GstCompare;
46 typedef struct _GstCompareClass GstCompareClass;
47 
48 struct _GstCompare {
49   GstElement element;
50 
51   GstPad *srcpad;
52   GstPad *sinkpad;
53   GstPad *checkpad;
54 
55   GstCollectPads *cpads;
56 
57   gint count;
58 
59   /* properties */
60   GstBufferCopyFlags meta;
61   gboolean offset_ts;
62   gint method;
63   gdouble threshold;
64   gboolean upper;
65 };
66 
67 struct _GstCompareClass {
68   GstElementClass parent_class;
69 };
70 
71 GType gst_compare_get_type(void);
72 
73 G_END_DECLS
74 
75 #endif /* __GST_COMPARE_H__ */
76