1 /*
2  * GStreamer
3  * Copyright (C) 2013 Miguel Casas-Sanchez <miguelecasassanchez@gmail.com>
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  *
23  * Alternatively, the contents of this file may be used under the
24  * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
25  * which case the following provisions apply instead of the ones
26  * mentioned above:
27  *
28  * This library is free software; you can redistribute it and/or
29  * modify it under the terms of the GNU Library General Public
30  * License as published by the Free Software Foundation; either
31  * version 2 of the License, or (at your option) any later version.
32  *
33  * This library is distributed in the hope that it will be useful,
34  * but WITHOUT ANY WARRANTY; without even the implied warranty of
35  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
36  * Library General Public License for more details.
37  *
38  * You should have received a copy of the GNU Library General Public
39  * License along with this library; if not, write to the
40  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
41  * Boston, MA 02110-1301, USA.
42  */
43 
44 #ifndef __GST_RETINEX_H__
45 #define __GST_RETINEX_H__
46 
47 #include <opencv2/core.hpp>
48 
49 #include <gst/opencv/gstopencvvideofilter.h>
50 
51 G_BEGIN_DECLS
52 /* #defines don't like whitespacey bits */
53 #define GST_TYPE_RETINEX \
54   (gst_retinex_get_type())
55 #define GST_RETINEX(obj) \
56   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RETINEX,GstRetinex))
57 #define GST_RETINEX_CLASS(klass) \
58   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RETINEX,GstRetinexClass))
59 #define GST_IS_RETINEX(obj) \
60   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RETINEX))
61 #define GST_IS_RETINEX_CLASS(klass) \
62   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RETINEX))
63 typedef struct _GstRetinex GstRetinex;
64 typedef struct _GstRetinexClass GstRetinexClass;
65 
66 struct _GstRetinex
67 {
68   GstOpencvVideoFilter parent;
69   gint method;
70   gint scales, current_scales;
71 
72   double *weights;
73   double *sigmas;
74 
75   cv::Mat cvA;
76   cv::Mat cvB;
77   cv::Mat cvC;
78   cv::Mat cvD;
79 };
80 
81 struct _GstRetinexClass
82 {
83   GstOpencvVideoFilterClass parent_class;
84 };
85 
86 GType gst_retinex_get_type (void);
87 
88 gboolean gst_retinex_plugin_init (GstPlugin * plugin);
89 
90 G_END_DECLS
91 #endif /* __GST_RETINEX_H__ */
92