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/* GStreamer
*
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* 2006 Edgard Lima <edgard.lima@indt.org.br>
*
* gstv4l2colorbalance.h: color balance interface implementation for V4L2
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_V4L2_COLOR_BALANCE_H__
#define __GST_V4L2_COLOR_BALANCE_H__
#include <gst/gst.h>
#include <gst/video/colorbalance.h>
#include "v4l2_calls.h"
G_BEGIN_DECLS
#define GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL \
(gst_v4l2_color_balance_channel_get_type ())
#define GST_V4L2_COLOR_BALANCE_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
GstV4l2ColorBalanceChannel))
#define GST_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
GstV4l2ColorBalanceChannelClass))
#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL))
#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL))
typedef struct _GstV4l2ColorBalanceChannel {
GstColorBalanceChannel parent;
guint32 id;
} GstV4l2ColorBalanceChannel;
typedef struct _GstV4l2ColorBalanceChannelClass {
GstColorBalanceChannelClass parent;
} GstV4l2ColorBalanceChannelClass;
GType gst_v4l2_color_balance_channel_get_type (void);
const GList * gst_v4l2_color_balance_list_channels (GstV4l2Object * v4l2object);
void gst_v4l2_color_balance_set_value (GstV4l2Object * v4l2object,
GstColorBalanceChannel * channel,
gint value);
gint gst_v4l2_color_balance_get_value (GstV4l2Object * v4l2object,
GstColorBalanceChannel * channel);
#define GST_IMPLEMENT_V4L2_COLOR_BALANCE_METHODS(Type, interface_as_function) \
\
static const GList * \
interface_as_function ## _color_balance_list_channels (GstColorBalance * balance) \
{ \
Type *this = (Type*) balance; \
return gst_v4l2_color_balance_list_channels(this->v4l2object); \
} \
\
static void \
interface_as_function ## _color_balance_set_value (GstColorBalance * balance, \
GstColorBalanceChannel * channel, \
gint value) \
{ \
Type *this = (Type*) balance; \
gst_v4l2_color_balance_set_value(this->v4l2object, channel, value); \
} \
\
static gint \
interface_as_function ## _color_balance_get_value (GstColorBalance * balance, \
GstColorBalanceChannel * channel) \
{ \
Type *this = (Type*) balance; \
return gst_v4l2_color_balance_get_value(this->v4l2object, channel); \
} \
\
static GstColorBalanceType \
interface_as_function ## _color_balance_get_balance_type (GstColorBalance * balance) \
{ \
return GST_COLOR_BALANCE_HARDWARE; \
} \
\
static void \
interface_as_function ## _color_balance_interface_init (GstColorBalanceInterface * iface) \
{ \
/* default virtual functions */ \
iface->list_channels = interface_as_function ## _color_balance_list_channels; \
iface->set_value = interface_as_function ## _color_balance_set_value; \
iface->get_value = interface_as_function ## _color_balance_get_value; \
iface->get_balance_type = interface_as_function ## _color_balance_get_balance_type; \
} \
G_END_DECLS
#endif /* __GST_V4L2_COLOR_BALANCE_H__ */
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