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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_SMPTE_ALPHA_H__
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#define __GST_SMPTE_ALPHA_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideofilter.h>
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G_BEGIN_DECLS
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#include "gstmask.h"
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#define GST_TYPE_SMPTE_ALPHA \
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(gst_smpte_alpha_get_type())
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#define GST_SMPTE_ALPHA(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlpha))
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#define GST_SMPTE_ALPHA_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlphaClass))
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#define GST_IS_SMPTE_ALPHA(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SMPTE_ALPHA))
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#define GST_IS_SMPTE_ALPHA_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SMPTE_ALPHA))
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typedef struct _GstSMPTEAlpha GstSMPTEAlpha;
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typedef struct _GstSMPTEAlphaClass GstSMPTEAlphaClass;
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struct _GstSMPTEAlpha {
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GstVideoFilter element;
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/* properties */
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gint type;
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gint border;
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gint depth;
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gdouble position;
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gboolean invert;
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/* negotiated format */
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GstVideoFormat in_format, out_format;
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gint width;
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gint height;
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/* state of the effect */
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GstMask *mask;
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/* processing function */
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void (*process) (GstSMPTEAlpha * smpte, const GstVideoFrame * in, GstVideoFrame * out,
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GstMask * mask, gint border, gint pos);
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};
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struct _GstSMPTEAlphaClass {
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GstVideoFilterClass parent_class;
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};
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GType gst_smpte_alpha_get_type (void);
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gboolean gst_smpte_alpha_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_SMPTE_ALPHA_H__ */
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