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Stefan Kost074e7b02006-09-02 14:28:55 +00001/* GStreamer
2 *
Ronald S. Bultje862d28a2003-10-10 12:47:42 +00003 * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
Edgard Lima86352582017-02-25 21:47:03 -03004 * 2006 Edgard Lima <edgard.lima@gmail.com>
Ronald S. Bultje862d28a2003-10-10 12:47:42 +00005 *
6 * gstv4l2colorbalance.h: color balance interface implementation for V4L2
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
Tim-Philipp Müller230cf412012-11-04 00:07:18 +000020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000022 */
23
24#ifndef __GST_V4L2_COLOR_BALANCE_H__
25#define __GST_V4L2_COLOR_BALANCE_H__
26
27#include <gst/gst.h>
Wim Taymans71049112011-11-29 19:10:58 +010028#include <gst/video/colorbalance.h>
Nicolas Dufresnebec03852017-07-12 20:49:47 -040029
30#include "gstv4l2object.h"
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000031
32G_BEGIN_DECLS
Johan Dahlin5acffea2004-03-15 16:32:54 +000033
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000034#define GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL \
35 (gst_v4l2_color_balance_channel_get_type ())
36#define GST_V4L2_COLOR_BALANCE_CHANNEL(obj) \
37 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
Wim Taymans55805712009-09-09 10:27:55 +020038 GstV4l2ColorBalanceChannel))
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000039#define GST_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
40 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
Wim Taymans55805712009-09-09 10:27:55 +020041 GstV4l2ColorBalanceChannelClass))
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000042#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL(obj) \
43 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL))
44#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
45 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL))
Johan Dahlin5acffea2004-03-15 16:32:54 +000046
47typedef struct _GstV4l2ColorBalanceChannel {
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000048 GstColorBalanceChannel parent;
49
Edgard Lima51b15372006-03-25 05:31:28 +000050 guint32 id;
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000051} GstV4l2ColorBalanceChannel;
52
Johan Dahlin5acffea2004-03-15 16:32:54 +000053typedef struct _GstV4l2ColorBalanceChannelClass {
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000054 GstColorBalanceChannelClass parent;
55} GstV4l2ColorBalanceChannelClass;
56
Wim Taymans55805712009-09-09 10:27:55 +020057GType gst_v4l2_color_balance_channel_get_type (void);
Ronald S. Bultje862d28a2003-10-10 12:47:42 +000058
Wim Taymans55805712009-09-09 10:27:55 +020059const GList * gst_v4l2_color_balance_list_channels (GstV4l2Object * v4l2object);
Edgard Lima9edc0c02006-05-11 17:59:59 +000060
Wim Taymans55805712009-09-09 10:27:55 +020061void gst_v4l2_color_balance_set_value (GstV4l2Object * v4l2object,
62 GstColorBalanceChannel * channel,
63 gint value);
Edgard Lima9edc0c02006-05-11 17:59:59 +000064
Wim Taymans55805712009-09-09 10:27:55 +020065gint gst_v4l2_color_balance_get_value (GstV4l2Object * v4l2object,
66 GstColorBalanceChannel * channel);
Edgard Lima9edc0c02006-05-11 17:59:59 +000067
68#define GST_IMPLEMENT_V4L2_COLOR_BALANCE_METHODS(Type, interface_as_function) \
69 \
70static const GList * \
71interface_as_function ## _color_balance_list_channels (GstColorBalance * balance) \
72{ \
73 Type *this = (Type*) balance; \
74 return gst_v4l2_color_balance_list_channels(this->v4l2object); \
75} \
76 \
77static void \
78interface_as_function ## _color_balance_set_value (GstColorBalance * balance, \
79 GstColorBalanceChannel * channel, \
80 gint value) \
81{ \
82 Type *this = (Type*) balance; \
Brian Camerona973a4f2008-01-21 19:35:58 +000083 gst_v4l2_color_balance_set_value(this->v4l2object, channel, value); \
Edgard Lima9edc0c02006-05-11 17:59:59 +000084} \
85 \
86static gint \
87interface_as_function ## _color_balance_get_value (GstColorBalance * balance, \
88 GstColorBalanceChannel * channel) \
89{ \
90 Type *this = (Type*) balance; \
91 return gst_v4l2_color_balance_get_value(this->v4l2object, channel); \
92} \
93 \
Sebastian Dröge3299f392012-03-02 10:13:08 +010094static GstColorBalanceType \
95interface_as_function ## _color_balance_get_balance_type (GstColorBalance * balance) \
96{ \
97 return GST_COLOR_BALANCE_HARDWARE; \
98} \
99 \
Benjamin Otte3342b162010-03-17 18:23:00 +0100100static void \
Stefan Sauer24684922011-10-21 14:51:23 +0200101interface_as_function ## _color_balance_interface_init (GstColorBalanceInterface * iface) \
Edgard Lima9edc0c02006-05-11 17:59:59 +0000102{ \
Edgard Lima9edc0c02006-05-11 17:59:59 +0000103 /* default virtual functions */ \
Stefan Sauer24684922011-10-21 14:51:23 +0200104 iface->list_channels = interface_as_function ## _color_balance_list_channels; \
105 iface->set_value = interface_as_function ## _color_balance_set_value; \
106 iface->get_value = interface_as_function ## _color_balance_get_value; \
Sebastian Dröge3299f392012-03-02 10:13:08 +0100107 iface->get_balance_type = interface_as_function ## _color_balance_get_balance_type; \
Edgard Lima9edc0c02006-05-11 17:59:59 +0000108} \
Ronald S. Bultje862d28a2003-10-10 12:47:42 +0000109
Michael Jonesfa95cec2012-05-31 10:15:43 +0200110G_END_DECLS
Ronald S. Bultje862d28a2003-10-10 12:47:42 +0000111#endif /* __GST_V4L2_COLOR_BALANCE_H__ */