1 /* 2 * GStreamer 3 * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk> 4 * Copyright (C) 2013 Antonio Ospite <ospite@studenti.unina.it> 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_PERSPECTIVE_H__ 46 #define __GST_PERSPECTIVE_H__ 47 48 #include <gst/gst.h> 49 #include "gstgeometrictransform.h" 50 51 G_BEGIN_DECLS 52 53 /* #defines don't like whitespacey bits */ 54 #define GST_TYPE_PERSPECTIVE \ 55 (gst_perspective_get_type()) 56 #define GST_PERSPECTIVE(obj) \ 57 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PERSPECTIVE,GstPerspective)) 58 #define GST_PERSPECTIVE_CAST(obj) \ 59 ((GstPerspective *)(obj)) 60 #define GST_PERSPECTIVE_CLASS(klass) \ 61 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PERSPECTIVE,GstPerspectiveClass)) 62 #define GST_IS_PERSPECTIVE(obj) \ 63 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PERSPECTIVE)) 64 #define GST_IS_PERSPECTIVE_CLASS(klass) \ 65 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PERSPECTIVE)) 66 67 typedef struct _GstPerspective GstPerspective; 68 typedef struct _GstPerspectiveClass GstPerspectiveClass; 69 70 struct _GstPerspective 71 { 72 GstGeometricTransform element; 73 74 gdouble matrix[9]; 75 }; 76 77 struct _GstPerspectiveClass 78 { 79 GstGeometricTransformClass parent_class; 80 }; 81 82 GType gst_perspective_get_type (void); 83 84 gboolean gst_perspective_plugin_init (GstPlugin * plugin); 85 86 G_END_DECLS 87 88 #endif /* __GST_PERSPECTIVE_H__ */ 89