/* 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__ */