1 /* GStreamer
2  * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk>
3  *
4  * EffecTV - Realtime Digital Video Effector
5  * Copyright (C) 2001-2006 FUKUCHI Kentaro
6  *
7  * RippleTV - Water ripple effect.
8  * Copyright (C) 2001-2002 FUKUCHI Kentaro
9  *
10  * EffecTV is free software. This library is free software;
11  * you can redistribute it and/or
12  * modify it under the terms of the GNU Library General Public
13  * License as published by the Free Software Foundation; either
14  * version 2 of the License, or (at your option) any later version.
15  *
16  * This library is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19  * Library General Public License for more details.
20  *
21  * You should have received a copy of the GNU Library General Public
22  * License along with this library; if not, write to the
23  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
24  * Boston, MA 02110-1301, USA.
25  */
26 
27 #ifndef __GST_RIPPLE_H__
28 #define __GST_RIPPLE_H__
29 
30 #include <gst/gst.h>
31 
32 #include <gst/video/video.h>
33 #include <gst/video/gstvideofilter.h>
34 
35 G_BEGIN_DECLS
36 
37 #define GST_TYPE_RIPPLETV \
38   (gst_rippletv_get_type())
39 #define GST_RIPPLETV(obj) \
40   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RIPPLETV,GstRippleTV))
41 #define GST_RIPPLETV_CLASS(klass) \
42   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RIPPLETV,GstRippleTVClass))
43 #define GST_IS_RIPPLETV(obj) \
44   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RIPPLETV))
45 #define GST_IS_RIPPLETV_CLASS(klass) \
46   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RIPPLETV))
47 
48 typedef struct _GstRippleTV GstRippleTV;
49 typedef struct _GstRippleTVClass GstRippleTVClass;
50 
51 struct _GstRippleTV
52 {
53   GstVideoFilter element;
54 
55   /* < private > */
56   gint mode;
57 
58   gint16 *background;
59   guint8 *diff;
60 
61   gint *map, *map1, *map2, *map3;
62   gint map_h, map_w;
63 
64   gint8 *vtable;
65 
66   gboolean bg_is_set;
67 
68   gint period;
69   gint rain_stat;
70   guint drop_prob;
71   gint drop_prob_increment;
72   gint drops_per_frame_max;
73   gint drops_per_frame;
74   gint drop_power;
75 };
76 
77 struct _GstRippleTVClass
78 {
79   GstVideoFilterClass parent_class;
80 };
81 
82 GType gst_rippletv_get_type (void);
83 
84 G_END_DECLS
85 
86 #endif /* __GST_RIPPLE_H__ */
87