2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 * Copyright (C) <2003> David Schleef <ds@schleef.org>
4 * Copyright (C) 2003 Arwed v. Merkatz <v.merkatz@gmx.net>
5 * Copyright (C) 2006 Mark Nauwelaerts <manauw@skynet.be>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
24 #ifndef __GST_VIDEO_GAMMA_H__
25 #define __GST_VIDEO_GAMMA_H__
28 #include <gst/video/video.h>
29 #include <gst/video/gstvideofilter.h>
33 #define GST_TYPE_GAMMA \
34 (gst_gamma_get_type())
35 #define GST_GAMMA(obj) \
36 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GAMMA,GstGamma))
37 #define GST_GAMMA_CLASS(klass) \
38 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GAMMA,GstGammaClass))
39 #define GST_IS_GAMMA(obj) \
40 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GAMMA))
41 #define GST_IS_GAMMA_CLASS(klass) \
42 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GAMMA))
44 typedef struct _GstGamma GstGamma;
45 typedef struct _GstGammaClass GstGammaClass;
50 * Opaque data structure.
54 GstVideoFilter videofilter;
61 guint8 gamma_table[256];
63 void (*process) (GstGamma *gamma, GstVideoFrame *frame);
68 GstVideoFilterClass parent_class;
71 GType gst_gamma_get_type(void);
75 #endif /* __GST_VIDEO_GAMMA_H__ */