1 /* 2 * GStreamer 3 * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk> 4 * Copyright (C) 2018 Nicola Murino <nicola.murino@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_OPENCV_VIDEO_FILTER_H__ 46 #define __GST_OPENCV_VIDEO_FILTER_H__ 47 48 #include <gst/gst.h> 49 #include <gst/video/gstvideofilter.h> 50 #include <gst/opencv/opencv-prelude.h> 51 #include <opencv2/core.hpp> 52 53 G_BEGIN_DECLS 54 55 /* forward declare opencv type to avoid exposing them in this API */ 56 //typedef struct _IplImage IplImage; 57 58 /* #defines don't like whitespacey bits */ 59 #define GST_TYPE_OPENCV_VIDEO_FILTER \ 60 (gst_opencv_video_filter_get_type()) 61 #define GST_OPENCV_VIDEO_FILTER(obj) \ 62 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENCV_VIDEO_FILTER,GstOpencvVideoFilter)) 63 #define GST_OPENCV_VIDEO_FILTER_CLASS(klass) \ 64 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENCV_VIDEO_FILTER,GstOpencvVideoFilterClass)) 65 #define GST_IS_OPENCV_VIDEO_FILTER(obj) \ 66 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENCV_VIDEO_FILTER)) 67 #define GST_IS_OPENCV_VIDEO_FILTER_CLASS(klass) \ 68 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENCV_VIDEO_FILTER)) 69 #define GST_OPENCV_VIDEO_FILTER_GET_CLASS(obj) \ 70 (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OPENCV_VIDEO_FILTER,GstOpencvVideoFilterClass)) 71 #define GST_OPENCV_VIDEO_FILTER_CAST(obj) ((GstOpencvVideoFilter *) (obj)) 72 73 typedef struct _GstOpencvVideoFilter GstOpencvVideoFilter; 74 typedef struct _GstOpencvVideoFilterClass GstOpencvVideoFilterClass; 75 76 typedef GstFlowReturn (*GstOpencvVideoFilterTransformIPFunc) 77 (GstOpencvVideoFilter * transform, GstBuffer * buffer, cv::Mat img); 78 typedef GstFlowReturn (*GstOpencvVideoFilterTransformFunc) 79 (GstOpencvVideoFilter * transform, GstBuffer * buffer, cv::Mat img, 80 GstBuffer * outbuf, cv::Mat outimg); 81 82 typedef gboolean (*GstOpencvVideoFilterSetCaps) 83 (GstOpencvVideoFilter * transform, gint in_width, gint in_height, 84 int in_cv_type, gint out_width, gint out_height, 85 int out_cv_type); 86 87 struct _GstOpencvVideoFilter 88 { 89 GstVideoFilter trans; 90 91 gboolean in_place; 92 93 cv::Mat cvImage; 94 cv::Mat out_cvImage; 95 }; 96 97 struct _GstOpencvVideoFilterClass 98 { 99 GstVideoFilterClass parent_class; 100 101 GstOpencvVideoFilterTransformFunc cv_trans_func; 102 GstOpencvVideoFilterTransformIPFunc cv_trans_ip_func; 103 104 GstOpencvVideoFilterSetCaps cv_set_caps; 105 }; 106 107 GST_OPENCV_API 108 GType gst_opencv_video_filter_get_type (void); 109 110 GST_OPENCV_API 111 void gst_opencv_video_filter_set_in_place (GstOpencvVideoFilter * transform, 112 gboolean ip); 113 114 G_END_DECLS 115 116 #endif /* __GST_OPENCV_VIDEO_FILTER_H__ */ 117