gstreamer/subprojects/gst-plugins-good/gst/effectv/gstvertigo.h

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* EffecTV:
* Copyright (C) 2001 FUKUCHI Kentarou
*
* EffecTV is free software. 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_VERTIGO_H__
#define __GST_VERTIGO_H__
#include <gst/gst.h>
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#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
G_BEGIN_DECLS
#define GST_TYPE_VERTIGOTV \
(gst_vertigotv_get_type())
#define GST_VERTIGOTV(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VERTIGOTV,GstVertigoTV))
#define GST_VERTIGOTV_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VERTIGOTV,GstVertigoTVClass))
#define GST_IS_VERTIGOTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VERTIGOTV))
#define GST_IS_VERTIGOTV_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VERTIGOTV))
typedef struct _GstVertigoTV GstVertigoTV;
typedef struct _GstVertigoTVClass GstVertigoTVClass;
struct _GstVertigoTV
{
GstVideoFilter videofilter;
/* < private > */
guint32 *buffer;
guint32 *current_buffer, *alt_buffer;
gint dx, dy;
gint sx, sy;
gdouble phase;
gdouble phase_increment;
gdouble zoomrate;
};
struct _GstVertigoTVClass
{
GstVideoFilterClass parent_class;
};
GType gst_vertigotv_get_type (void);
G_END_DECLS
#endif /* __GST_VERTIGO_H__ */