1 /* GStreamer
2 * Copyright (C) 2016 Igalia <calvaris@igalia.com>
3 *
4 * videodirection.c: video rotation and flipping interface
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include "video.h"
27
28 #define PROP_DIRECTION_DEFAULT GST_VIDEO_ORIENTATION_IDENTITY
29
30 /**
31 * SECTION:gstvideodirection
32 * @title: GstVideoDirection
33 * @short_description: Interface for elements providing video
34 * rotation and flipping controls
35 *
36 * The interface allows unified access to control flipping and rotation
37 * operations of video-sources or operators.
38 *
39 * Since: 1.10
40 */
41
42 G_DEFINE_INTERFACE (GstVideoDirection, gst_video_direction, 0);
43
44 static void
gst_video_direction_default_init(GstVideoDirectionInterface * iface)45 gst_video_direction_default_init (GstVideoDirectionInterface * iface)
46 {
47 g_object_interface_install_property (iface,
48 g_param_spec_enum ("video-direction", "Video direction",
49 "Video direction: rotation and flipping",
50 GST_TYPE_VIDEO_ORIENTATION_METHOD, PROP_DIRECTION_DEFAULT,
51 GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_CONSTRUCT |
52 G_PARAM_STATIC_STRINGS));
53 }
54