text: /* GStreamer Color Balance
   * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
   *
   * colorbalancechannel.h: individual channel object
   *
   * 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_COLOR_BALANCE_CHANNEL_H__
  #define __GST_COLOR_BALANCE_CHANNEL_H__
  
  #include <gst/gst.h>
  #include <gst/video/video-prelude.h>
  
  G_BEGIN_DECLS
  
  #define GST_TYPE_COLOR_BALANCE_CHANNEL \
    (gst_color_balance_channel_get_type ())
  #define GST_COLOR_BALANCE_CHANNEL(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL, \
                                 GstColorBalanceChannel))
  #define GST_COLOR_BALANCE_CHANNEL_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL, \
                              GstColorBalanceChannelClass))
  #define GST_IS_COLOR_BALANCE_CHANNEL(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL))
  #define GST_IS_COLOR_BALANCE_CHANNEL_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL))
  
  typedef struct _GstColorBalanceChannel GstColorBalanceChannel;
  typedef struct _GstColorBalanceChannelClass GstColorBalanceChannelClass;
  
  /**
   * GstColorBalanceChannel:
   * @label: A string containing a descriptive name for this channel
   * @min_value: The minimum valid value for this channel.
   * @max_value: The maximum valid value for this channel.
   */
  struct _GstColorBalanceChannel {
    GObject parent;
  
    /*< public >*/
    gchar  *label;
    gint    min_value;
    gint    max_value;
  
    /*< private >*/
    gpointer _gst_reserved[GST_PADDING];
  };
  
  /**
   * GstColorBalanceChannelClass:
   * @parent: the parent class
   * @value_changed: default handler for value changed notification
   *
   * Color-balance channel class.
   */
  struct _GstColorBalanceChannelClass {
    GObjectClass parent;
  
    /* signals */
    void (* value_changed) (GstColorBalanceChannel *channel,
                            gint                    value);
  
    /*< private >*/
    gpointer _gst_reserved[GST_PADDING];
  };
  
  GST_VIDEO_API
  GType   gst_color_balance_channel_get_type (void);
  
  G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstColorBalanceChannel, gst_object_unref)
  
  G_END_DECLS
  
  #endif /* __GST_COLOR_BALANCE_CHANNEL_H__ */
  