1 /* 2 * GStreamer 3 * Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org> 4 * Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net> 5 * Copyright (C) 2008 Michael Sheldon <mike@mikeasoft.com> 6 * Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net> 7 * Copyright (C) 2011 Robert Jobbagy <jobbagy.robert@gmail.com> 8 * Copyright (C) 2018 Nicola Murino <nicola.murino@gmail.com> 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a 11 * copy of this software and associated documentation files (the "Software"), 12 * to deal in the Software without restriction, including without limitation 13 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 14 * and/or sell copies of the Software, and to permit persons to whom the 15 * Software is furnished to do so, subject to the following conditions: 16 * 17 * The above copyright notice and this permission notice shall be included in 18 * all copies or substantial portions of the Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 26 * DEALINGS IN THE SOFTWARE. 27 * 28 * Alternatively, the contents of this file may be used under the 29 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in 30 * which case the following provisions apply instead of the ones 31 * mentioned above: 32 * 33 * This library is free software; you can redistribute it and/or 34 * modify it under the terms of the GNU Library General Public 35 * License as published by the Free Software Foundation; either 36 * version 2 of the License, or (at your option) any later version. 37 * 38 * This library is distributed in the hope that it will be useful, 39 * but WITHOUT ANY WARRANTY; without even the implied warranty of 40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 41 * Library General Public License for more details. 42 * 43 * You should have received a copy of the GNU Library General Public 44 * License along with this library; if not, write to the 45 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 46 * Boston, MA 02110-1301, USA. 47 */ 48 49 #ifndef __GST_FACE_DETECT_H__ 50 #define __GST_FACE_DETECT_H__ 51 52 #include <gst/gst.h> 53 #include <gst/opencv/gstopencvvideofilter.h> 54 #include <opencv2/objdetect.hpp> 55 56 G_BEGIN_DECLS 57 /* #defines don't like whitespacey bits */ 58 #define GST_TYPE_FACE_DETECT \ 59 (gst_face_detect_get_type()) 60 #define GST_FACE_DETECT(obj) \ 61 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FACE_DETECT,GstFaceDetect)) 62 #define GST_FACE_DETECT_CLASS(klass) \ 63 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FACE_DETECT,GstFaceDetectClass)) 64 #define GST_IS_FACE_DETECT(obj) \ 65 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FACE_DETECT)) 66 #define GST_IS_FACE_DETECT_CLASS(klass) \ 67 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FACE_DETECT)) 68 typedef struct _GstFaceDetect GstFaceDetect; 69 typedef struct _GstFaceDetectClass GstFaceDetectClass; 70 71 /** 72 * GstFaceDetectUpdates 73 * @GST_FACEDETECT_UPDATES_EVERY_FRAME: Send bus update messages for every frame 74 * @GST_FACEDETECT_UPDATES_ON_CHANGE: Send bus update messages on change (face detected/not detected) 75 * @GST_FACEDETECT_UPDATES_ON_FACE: Send bus update messages when a face is detected 76 * @GST_FACEDETECT_UPDATES_NONE: No bus update messages 77 * 78 * Bus messages update scheme 79 */ 80 enum _GstFaceDetectUpdates { 81 GST_FACEDETECT_UPDATES_EVERY_FRAME = 0, 82 GST_FACEDETECT_UPDATES_ON_CHANGE = 1, 83 GST_FACEDETECT_UPDATES_ON_FACE = 2, 84 GST_FACEDETECT_UPDATES_NONE = 3 85 }; 86 87 struct _GstFaceDetect 88 { 89 GstOpencvVideoFilter element; 90 91 gboolean display; 92 gboolean face_detected; 93 94 gchar *face_profile; 95 gchar *nose_profile; 96 gchar *mouth_profile; 97 gchar *eyes_profile; 98 gdouble scale_factor; 99 gint min_neighbors; 100 gint flags; 101 gint min_size_width; 102 gint min_size_height; 103 gint min_stddev; 104 gint updates; 105 106 cv::Mat cvGray; 107 cv::CascadeClassifier *cvFaceDetect; 108 cv::CascadeClassifier *cvNoseDetect; 109 cv::CascadeClassifier *cvMouthDetect; 110 cv::CascadeClassifier *cvEyesDetect; 111 }; 112 113 struct _GstFaceDetectClass 114 { 115 GstOpencvVideoFilterClass parent_class; 116 }; 117 118 GType gst_face_detect_get_type (void); 119 120 gboolean gst_face_detect_plugin_init (GstPlugin * plugin); 121 122 G_END_DECLS 123 #endif /* __GST_FACE_DETECT_H__ */ 124