1 /* GStreamer Color Balance 2 * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> 3 * 4 * colorbalancechannel.h: individual channel object 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_COLOR_BALANCE_CHANNEL_H__ 23 #define __GST_COLOR_BALANCE_CHANNEL_H__ 24 25 #include <gst/gst.h> 26 #include <gst/video/video-prelude.h> 27 28 G_BEGIN_DECLS 29 30 #define GST_TYPE_COLOR_BALANCE_CHANNEL \ 31 (gst_color_balance_channel_get_type ()) 32 #define GST_COLOR_BALANCE_CHANNEL(obj) \ 33 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL, \ 34 GstColorBalanceChannel)) 35 #define GST_COLOR_BALANCE_CHANNEL_CLASS(klass) \ 36 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL, \ 37 GstColorBalanceChannelClass)) 38 #define GST_IS_COLOR_BALANCE_CHANNEL(obj) \ 39 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL)) 40 #define GST_IS_COLOR_BALANCE_CHANNEL_CLASS(klass) \ 41 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL)) 42 43 typedef struct _GstColorBalanceChannel GstColorBalanceChannel; 44 typedef struct _GstColorBalanceChannelClass GstColorBalanceChannelClass; 45 46 /** 47 * GstColorBalanceChannel: 48 * @label: A string containing a descriptive name for this channel 49 * @min_value: The minimum valid value for this channel. 50 * @max_value: The maximum valid value for this channel. 51 */ 52 struct _GstColorBalanceChannel { 53 GObject parent; 54 55 /*< public >*/ 56 gchar *label; 57 gint min_value; 58 gint max_value; 59 60 /*< private >*/ 61 gpointer _gst_reserved[GST_PADDING]; 62 }; 63 64 /** 65 * GstColorBalanceChannelClass: 66 * @parent: the parent class 67 * @value_changed: default handler for value changed notification 68 * 69 * Color-balance channel class. 70 */ 71 struct _GstColorBalanceChannelClass { 72 GObjectClass parent; 73 74 /* signals */ 75 void (* value_changed) (GstColorBalanceChannel *channel, 76 gint value); 77 78 /*< private >*/ 79 gpointer _gst_reserved[GST_PADDING]; 80 }; 81 82 GST_VIDEO_API 83 GType gst_color_balance_channel_get_type (void); 84 85 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstColorBalanceChannel, gst_object_unref) 86 87 G_END_DECLS 88 89 #endif /* __GST_COLOR_BALANCE_CHANNEL_H__ */ 90