2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 #ifndef __GST_SMPTE_ALPHA_H__
22 #define __GST_SMPTE_ALPHA_H__
25 #include <gst/video/video.h>
26 #include <gst/video/gstvideofilter.h>
33 #define GST_TYPE_SMPTE_ALPHA \
34 (gst_smpte_alpha_get_type())
35 #define GST_SMPTE_ALPHA(obj) \
36 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlpha))
37 #define GST_SMPTE_ALPHA_CLASS(klass) \
38 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlphaClass))
39 #define GST_IS_SMPTE_ALPHA(obj) \
40 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SMPTE_ALPHA))
41 #define GST_IS_SMPTE_ALPHA_CLASS(klass) \
42 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SMPTE_ALPHA))
44 typedef struct _GstSMPTEAlpha GstSMPTEAlpha;
45 typedef struct _GstSMPTEAlphaClass GstSMPTEAlphaClass;
47 struct _GstSMPTEAlpha {
48 GstVideoFilter element;
57 /* negotiated format */
58 GstVideoFormat in_format, out_format;
62 /* state of the effect */
65 /* processing function */
66 void (*process) (GstSMPTEAlpha * smpte, const guint8 * in, guint8 * out,
67 GstMask * mask, gint width, gint height, gint border, gint pos);
70 struct _GstSMPTEAlphaClass {
71 GstVideoFilterClass parent_class;
74 GType gst_smpte_alpha_get_type (void);
75 gboolean gst_smpte_alpha_plugin_init (GstPlugin * plugin);
79 #endif /* __GST_SMPTE_ALPHA_H__ */