mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 22:36:33 +00:00
104 lines
5.8 KiB
C
104 lines
5.8 KiB
C
/* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_V4L2_COLOR_BALANCE_H__
|
|
#define __GST_V4L2_COLOR_BALANCE_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/interfaces/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 void \
|
|
interface_as_function ## _color_balance_interface_init (GstColorBalanceClass * klass) \
|
|
{ \
|
|
GST_COLOR_BALANCE_TYPE (klass) = GST_COLOR_BALANCE_HARDWARE; \
|
|
\
|
|
/* default virtual functions */ \
|
|
klass->list_channels = interface_as_function ## _color_balance_list_channels; \
|
|
klass->set_value = interface_as_function ## _color_balance_set_value; \
|
|
klass->get_value = interface_as_function ## _color_balance_get_value; \
|
|
} \
|
|
|
|
#endif /* __GST_V4L2_COLOR_BALANCE_H__ */
|