gstreamer/gst/coloreffects/gstchromahold.h
Sebastian Dröge fa2a4af5bb chromahold: Add chromahold color effect
This effect converts all colors except a single one to
grey. The color is selected by an RGB triple and a
tolerance for the color matching in hue degree can be specified.
2010-10-06 11:57:12 +02:00

82 lines
2.4 KiB
C

/* GStreamer
*
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2007 Wim Taymans <wim.taymans@collabora.co.uk>
* Copyright (C) 2007 Edward Hervey <edward.hervey@collabora.co.uk>
* Copyright (C) 2007 Jan Schmidt <thaytan@noraisin.net>
* Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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_CHROMA_HOLD_H__
#define __GST_CHROMA_HOLD_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
#include <gst/controller/gstcontroller.h>
G_BEGIN_DECLS
#define GST_TYPE_CHROMA_HOLD \
(gst_chroma_hold_get_type())
#define GST_CHROMA_HOLD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CHROMA_HOLD,GstChromaHold))
#define GST_CHROMA_HOLD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CHROMA_HOLD,GstChromaHoldClass))
#define GST_IS_CHROMA_HOLD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CHROMA_HOLD))
#define GST_IS_CHROMA_HOLD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CHROMA_HOLD))
typedef struct _GstChromaHold GstChromaHold;
typedef struct _GstChromaHoldClass GstChromaHoldClass;
struct _GstChromaHold
{
GstVideoFilter parent;
/* <private> */
/* caps */
GStaticMutex lock;
GstVideoFormat format;
gint width, height;
guint target_r;
guint target_g;
guint target_b;
guint tolerance;
/* processing function */
void (*process) (guint8 *dest, gint width, gint height, GstChromaHold *chroma_hold);
/* pre-calculated values */
gint hue;
};
struct _GstChromaHoldClass
{
GstVideoFilterClass parent_class;
};
GType gst_chroma_hold_get_type (void);
G_END_DECLS
#endif /* __GST_CHROMA_HOLD_H__ */