1 /* 2 * GStreamer 3 * Copyright (C) 2020 Vivek R <123vivekr@gmail.com> 4 * Copyright (C) 2021 Cesar Fabian Orccon Chipana <cfoch.fabian@gmail.com> 5 * 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: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 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. 23 * 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 27 * mentioned above: 28 * 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. 33 * 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. 38 * 39 * You should have received a copy of the GNU Library General Public 40 * License along with this library; if not, write to the 41 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 42 * Boston, MA 02110-1301, USA. 43 */ 44 45 #ifndef __GST_CVTRACKER_H__ 46 #define __GST_CVTRACKER_H__ 47 48 #include <gst/video/gstvideometa.h> 49 #include <gst/opencv/gstopencvvideofilter.h> 50 #include <opencv2/core.hpp> 51 #include <opencv2/imgproc.hpp> 52 #include <opencv2/tracking.hpp> 53 54 #define GST_OPENCV_CHECK_VERSION(major,minor,revision) \ 55 (CV_VERSION_MAJOR > (major) || \ 56 (CV_VERSION_MAJOR == (major) && CV_VERSION_MINOR > (minor)) || \ 57 (CV_VERSION_MAJOR == (major) && CV_VERSION_MINOR == (minor) && \ 58 CV_VERSION_REVISION >= (revision))) 59 60 #if GST_OPENCV_CHECK_VERSION(4, 5, 1) 61 #include <opencv2/tracking/tracking_legacy.hpp> 62 #endif 63 64 G_BEGIN_DECLS 65 66 /* #defines don't like whitespacey bits */ 67 #define GST_TYPE_OPENCV_TRACKER \ 68 (gst_cvtracker_get_type()) 69 #define GST_OPENCV_TRACKER(obj) \ 70 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENCV_TRACKER,GstCVTracker)) 71 #define GST_OPENCV_TRACKER_CLASS(klass) \ 72 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENCV_TRACKER,GstCVTrackerClass)) 73 #define GST_IS_OPENCV_TRACKER(obj) \ 74 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENCV_TRACKER)) 75 #define GST_IS_OPENCV_TRACKER_CLASS(klass) \ 76 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENCV_TRACKER)) 77 78 typedef struct _GstCVTracker GstCVTracker; 79 typedef struct _GstCVTrackerClass GstCVTrackerClass; 80 81 struct _GstCVTracker 82 { 83 GstOpencvVideoFilter element; 84 85 guint x; 86 guint y; 87 guint width; 88 guint height; 89 gint algorithm; 90 gboolean draw; 91 gboolean post_debug_info; 92 93 cv::Ptr<cv::Tracker> tracker; 94 #if GST_OPENCV_CHECK_VERSION(4, 5, 1) 95 cv::Ptr<cv::Rect> roi; 96 #else 97 cv::Ptr<cv::Rect2d> roi; 98 #endif 99 }; 100 101 typedef enum { 102 GST_OPENCV_TRACKER_ALGORITHM_BOOSTING, 103 GST_OPENCV_TRACKER_ALGORITHM_CSRT, 104 GST_OPENCV_TRACKER_ALGORITHM_KCF, 105 GST_OPENCV_TRACKER_ALGORITHM_MEDIANFLOW, 106 GST_OPENCV_TRACKER_ALGORITHM_MIL, 107 GST_OPENCV_TRACKER_ALGORITHM_MOSSE, 108 GST_OPENCV_TRACKER_ALGORITHM_TLD, 109 } GstOpenCVTrackerAlgorithm; 110 111 struct _GstCVTrackerClass 112 { 113 GstOpencvVideoFilterClass parent_class; 114 }; 115 116 GType gst_cvtracker_get_type (void); 117 118 GST_ELEMENT_REGISTER_DECLARE (cvtracker); 119 120 G_END_DECLS 121 122 #endif /* __GST_CVTRACKER_H__ */ 123