1 /* GStreamer
2 *
3 * Copyright (C) 2006 Edgard Lima <edgard.lima@gmail.com>
4 *
5 * gstv4l2vidorient.c: 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 #ifdef HAVE_CONFIG_H
24 #include "config.h"
25 #endif
26
27 #include <gst/gst.h>
28
29 #include "gstv4l2object.h"
30 #include "gstv4l2vidorient.h"
31 #include "gstv4l2object.h"
32
33 GST_DEBUG_CATEGORY_STATIC (v4l2vo_debug);
34 #define GST_CAT_DEFAULT v4l2vo_debug
35
36 void
gst_v4l2_video_orientation_interface_init(GstVideoOrientationInterface * iface)37 gst_v4l2_video_orientation_interface_init (GstVideoOrientationInterface * iface)
38 {
39 GST_DEBUG_CATEGORY_INIT (v4l2vo_debug, "v4l2vo", 0,
40 "V4L2 VideoOrientation interface debugging");
41 }
42
43
44 gboolean
gst_v4l2_video_orientation_get_hflip(GstV4l2Object * v4l2object,gboolean * flip)45 gst_v4l2_video_orientation_get_hflip (GstV4l2Object * v4l2object,
46 gboolean * flip)
47 {
48
49 return gst_v4l2_get_attribute (v4l2object, V4L2_CID_HFLIP, flip);
50 }
51
52 gboolean
gst_v4l2_video_orientation_get_vflip(GstV4l2Object * v4l2object,gboolean * flip)53 gst_v4l2_video_orientation_get_vflip (GstV4l2Object * v4l2object,
54 gboolean * flip)
55 {
56 return gst_v4l2_get_attribute (v4l2object, V4L2_CID_VFLIP, flip);
57 }
58
59 /* named hcenter because of historical v4l2 naming */
60 gboolean
gst_v4l2_video_orientation_get_hcenter(GstV4l2Object * v4l2object,gint * center)61 gst_v4l2_video_orientation_get_hcenter (GstV4l2Object * v4l2object,
62 gint * center)
63 {
64 return gst_v4l2_get_attribute (v4l2object, V4L2_CID_PAN_RESET, center);
65 }
66
67 /* named vcenter because of historical v4l2 naming */
68 gboolean
gst_v4l2_video_orientation_get_vcenter(GstV4l2Object * v4l2object,gint * center)69 gst_v4l2_video_orientation_get_vcenter (GstV4l2Object * v4l2object,
70 gint * center)
71 {
72 return gst_v4l2_get_attribute (v4l2object, V4L2_CID_TILT_RESET, center);
73 }
74
75 gboolean
gst_v4l2_video_orientation_set_hflip(GstV4l2Object * v4l2object,gboolean flip)76 gst_v4l2_video_orientation_set_hflip (GstV4l2Object * v4l2object, gboolean flip)
77 {
78 return gst_v4l2_set_attribute (v4l2object, V4L2_CID_HFLIP, flip);
79 }
80
81 gboolean
gst_v4l2_video_orientation_set_vflip(GstV4l2Object * v4l2object,gboolean flip)82 gst_v4l2_video_orientation_set_vflip (GstV4l2Object * v4l2object, gboolean flip)
83 {
84 return gst_v4l2_set_attribute (v4l2object, V4L2_CID_VFLIP, flip);
85 }
86
87 gboolean
gst_v4l2_video_orientation_set_hcenter(GstV4l2Object * v4l2object,gint center)88 gst_v4l2_video_orientation_set_hcenter (GstV4l2Object * v4l2object, gint center)
89 {
90 return gst_v4l2_set_attribute (v4l2object, V4L2_CID_PAN_RESET, center);
91 }
92
93 gboolean
gst_v4l2_video_orientation_set_vcenter(GstV4l2Object * v4l2object,gint center)94 gst_v4l2_video_orientation_set_vcenter (GstV4l2Object * v4l2object, gint center)
95 {
96 return gst_v4l2_set_attribute (v4l2object, V4L2_CID_TILT_RESET, center);
97 }
98