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_DISPARITY_H__
45 #define __GST_DISPARITY_H__
46 
47 #include <gst/gst.h>
48 #include <gst/video/video.h>
49 
50 #include <opencv2/core.hpp>
51 #include <opencv2/calib3d.hpp>
52 
53 G_BEGIN_DECLS
54 /* #defines don't like whitespacey bits */
55 #define GST_TYPE_DISPARITY \
56   (gst_disparity_get_type())
57 #define GST_DISPARITY(obj) \
58   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DISPARITY,GstDisparity))
59 #define GST_DISPARITY_CLASS(klass) \
60   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DISPARITY,GstDisparityClass))
61 #define GST_IS_DISPARITY(obj) \
62   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DISPARITY))
63 #define GST_IS_DISPARITY_CLASS(klass) \
64   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DISPARITY))
65 typedef struct _GstDisparity GstDisparity;
66 typedef struct _GstDisparityClass GstDisparityClass;
67 
68 struct _GstDisparity
69 {
70   GstElement element;
71 
72   GstPad *sinkpad_left, *sinkpad_right, *srcpad;
73   GstCaps *caps;
74 
75   gint method;
76   gboolean display;
77 
78   int width;
79   int height;
80   int actualChannels;
81 
82   GstBuffer *buffer_left;
83   GMutex lock;
84   GCond cond;
85   gboolean flushing;
86 
87   cv::Size imgSize;
88   cv::Mat cvRGB_right;
89   cv::Mat cvRGB_left;
90   cv::Mat cvGray_right;
91   cv::Mat cvGray_left;
92   cv::Mat cvGray_depth_map1;  /*IPL_DEPTH_16S */
93   cv::Mat cvGray_depth_map2;  /*IPL_DEPTH_8U */
94   cv::Mat cvGray_depth_map1_2;        /*IPL_DEPTH_16S */
95 
96   cv::Mat img_right_as_cvMat_gray;
97   cv::Mat img_left_as_cvMat_gray;
98   cv::Mat depth_map_as_cvMat;
99 
100   cv::Ptr<cv::StereoBM> sbm;                    /* cv::StereoBM */
101   cv::Ptr<cv::StereoSGBM> sgbm;                /* cv::StereoSGBM */
102 };
103 
104 struct _GstDisparityClass
105 {
106   GstElementClass parent_class;
107 };
108 
109 GType gst_disparity_get_type (void);
110 
111 gboolean gst_disparity_plugin_init (GstPlugin * disparity);
112 
113 G_END_DECLS
114 #endif /* __GST_DISPARITY_H__ */
115