gstreamer/gst/smpte/gstsmptealpha.h
2012-11-04 00:07:18 +00:00

79 lines
2.3 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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_SMPTE_ALPHA_H__
#define __GST_SMPTE_ALPHA_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
G_BEGIN_DECLS
#include "gstmask.h"
#define GST_TYPE_SMPTE_ALPHA \
(gst_smpte_alpha_get_type())
#define GST_SMPTE_ALPHA(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlpha))
#define GST_SMPTE_ALPHA_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlphaClass))
#define GST_IS_SMPTE_ALPHA(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SMPTE_ALPHA))
#define GST_IS_SMPTE_ALPHA_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SMPTE_ALPHA))
typedef struct _GstSMPTEAlpha GstSMPTEAlpha;
typedef struct _GstSMPTEAlphaClass GstSMPTEAlphaClass;
struct _GstSMPTEAlpha {
GstVideoFilter element;
/* properties */
gint type;
gint border;
gint depth;
gdouble position;
gboolean invert;
/* negotiated format */
GstVideoFormat in_format, out_format;
gint width;
gint height;
/* state of the effect */
GstMask *mask;
/* processing function */
void (*process) (GstSMPTEAlpha * smpte, const GstVideoFrame * in, GstVideoFrame * out,
GstMask * mask, gint border, gint pos);
};
struct _GstSMPTEAlphaClass {
GstVideoFilterClass parent_class;
};
GType gst_smpte_alpha_get_type (void);
gboolean gst_smpte_alpha_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_SMPTE_ALPHA_H__ */