1 /* GStreamer 2 * 3 * Copyright (C) 2006 Edgard Lima <edgard.lima@gmail.com> 4 * 5 * gstv4l2vidorient.h: video orientation interface implementation for V4L2 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef __GST_V4L2_VIDORIENT_H__ 24 #define __GST_V4L2_VIDORIENT_H__ 25 26 #include <gst/gst.h> 27 #include <gst/video/videoorientation.h> 28 29 #include "gstv4l2object.h" 30 31 G_BEGIN_DECLS 32 33 void gst_v4l2_video_orientation_interface_init (GstVideoOrientationInterface * iface); 34 35 gboolean gst_v4l2_video_orientation_get_hflip (GstV4l2Object *v4l2object, gboolean *flip); 36 gboolean gst_v4l2_video_orientation_get_vflip (GstV4l2Object *v4l2object, gboolean *flip); 37 gboolean gst_v4l2_video_orientation_get_hcenter (GstV4l2Object *v4l2object, gint *center); 38 gboolean gst_v4l2_video_orientation_get_vcenter (GstV4l2Object *v4l2object, gint *center); 39 40 gboolean gst_v4l2_video_orientation_set_hflip (GstV4l2Object *v4l2object, gboolean flip); 41 gboolean gst_v4l2_video_orientation_set_vflip (GstV4l2Object *v4l2object, gboolean flip); 42 gboolean gst_v4l2_video_orientation_set_hcenter (GstV4l2Object *v4l2object, gint center); 43 gboolean gst_v4l2_video_orientation_set_vcenter (GstV4l2Object *v4l2object, gint center); 44 45 #define GST_IMPLEMENT_V4L2_VIDORIENT_METHODS(Type, interface_as_function) \ 46 \ 47 static gboolean \ 48 interface_as_function ## _video_orientation_get_hflip (GstVideoOrientation *vo, gboolean *flip) \ 49 { \ 50 Type *this = (Type*) vo; \ 51 return gst_v4l2_video_orientation_get_hflip (this->v4l2object, flip); \ 52 } \ 53 \ 54 static gboolean \ 55 interface_as_function ## _video_orientation_get_vflip (GstVideoOrientation *vo, gboolean *flip) \ 56 { \ 57 Type *this = (Type*) vo; \ 58 return gst_v4l2_video_orientation_get_vflip (this->v4l2object, flip); \ 59 } \ 60 \ 61 static gboolean \ 62 interface_as_function ## _video_orientation_get_hcenter (GstVideoOrientation *vo, gint *center) \ 63 { \ 64 Type *this = (Type*) vo; \ 65 return gst_v4l2_video_orientation_get_hcenter (this->v4l2object, center); \ 66 } \ 67 \ 68 static gboolean \ 69 interface_as_function ## _video_orientation_get_vcenter (GstVideoOrientation *vo, gint *center) \ 70 { \ 71 Type *this = (Type*) vo; \ 72 return gst_v4l2_video_orientation_get_vcenter (this->v4l2object, center); \ 73 } \ 74 \ 75 static gboolean \ 76 interface_as_function ## _video_orientation_set_hflip (GstVideoOrientation *vo, gboolean flip) \ 77 { \ 78 Type *this = (Type*) vo; \ 79 return gst_v4l2_video_orientation_set_hflip (this->v4l2object, flip); \ 80 } \ 81 \ 82 static gboolean \ 83 interface_as_function ## _video_orientation_set_vflip (GstVideoOrientation *vo, gboolean flip) \ 84 { \ 85 Type *this = (Type*) vo; \ 86 return gst_v4l2_video_orientation_set_vflip (this->v4l2object, flip); \ 87 } \ 88 \ 89 static gboolean \ 90 interface_as_function ## _video_orientation_set_hcenter (GstVideoOrientation *vo, gint center) \ 91 { \ 92 Type *this = (Type*) vo; \ 93 return gst_v4l2_video_orientation_set_hcenter (this->v4l2object, center); \ 94 } \ 95 \ 96 static gboolean \ 97 interface_as_function ## _video_orientation_set_vcenter (GstVideoOrientation *vo, gint center) \ 98 { \ 99 Type *this = (Type*) vo; \ 100 return gst_v4l2_video_orientation_set_vcenter (this->v4l2object, center); \ 101 } \ 102 \ 103 static void \ 104 interface_as_function ## _video_orientation_interface_init (GstVideoOrientationInterface * iface) \ 105 { \ 106 /* default virtual functions */ \ 107 iface->get_hflip = interface_as_function ## _video_orientation_get_hflip; \ 108 iface->get_vflip = interface_as_function ## _video_orientation_get_vflip; \ 109 iface->get_hcenter = interface_as_function ## _video_orientation_get_hcenter; \ 110 iface->get_vcenter = interface_as_function ## _video_orientation_get_vcenter; \ 111 iface->set_hflip = interface_as_function ## _video_orientation_set_hflip; \ 112 iface->set_vflip = interface_as_function ## _video_orientation_set_vflip; \ 113 iface->set_hcenter = interface_as_function ## _video_orientation_set_hcenter; \ 114 iface->set_vcenter = interface_as_function ## _video_orientation_set_vcenter; \ 115 } 116 117 G_END_DECLS 118 #endif /* __GST_V4L2_VIDORIENT_H__ */ 119