3 * Copyright (C) 2016 - 2018 Prassel S.r.l
4 * Author: Nicola Murino <nicola.murino@gmail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 * Alternatively, the contents of this file may be used under the
25 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
26 * which case the following provisions apply instead of the ones
29 * This library is free software; you can redistribute it and/or
30 * modify it under the terms of the GNU Library General Public
31 * License as published by the Free Software Foundation; either
32 * version 2 of the License, or (at your option) any later version.
34 * This library is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
37 * Library General Public License for more details.
39 * You should have received a copy of the GNU Library General Public
40 * License along with this library; if not, write to the
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42 * Boston, MA 02110-1301, USA.
45 #ifndef __GST_DEWARP_H__
46 #define __GST_DEWARP_H__
49 #include <gst/opencv/gstopencvvideofilter.h>
50 #include <opencv2/imgproc.hpp>
53 /* #defines don't like whitespacey bits */
54 #define GST_TYPE_DEWARP \
55 (gst_dewarp_get_type())
56 #define GST_DEWARP(obj) \
57 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEWARP,GstDewarp))
58 #define GST_DEWARP_CLASS(klass) \
59 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEWARP,GstDewarpClass))
60 #define GST_IS_DEWARP(obj) \
61 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEWARP))
62 #define GST_IS_DEWARP_CLASS(klass) \
63 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEWARP))
64 typedef struct _GstDewarp GstDewarp;
65 typedef struct _GstDewarpClass GstDewarpClass;
67 enum _GstDewarpDisplayMode {
68 GST_DEWARP_DISPLAY_PANORAMA = 0,
69 GST_DEWARP_DISPLAY_DOUBLE_PANORAMA = 1,
70 GST_DEWARP_DISPLAY_QUAD_VIEW = 2
73 enum _GstDewarpInterpolationMode {
74 GST_DEWARP_INTER_NEAREST = 0,
75 GST_DEWARP_INTER_LINEAR = 1,
76 GST_DEWARP_INTER_CUBIC = 2,
77 GST_DEWARP_INTER_LANCZOS4 = 3
82 GstOpencvVideoFilter element;
89 gdouble remap_correction_x;
90 gdouble remap_correction_y;
91 gboolean need_map_update;
99 gint interpolation_mode;
102 struct _GstDewarpClass
104 GstOpencvVideoFilterClass parent_class;
107 GType gst_dewarp_get_type (void);
109 GST_ELEMENT_REGISTER_DECLARE (dewarp);
112 #endif /* __GST_DEWARP_H__ */