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87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* EffecTV:
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* Copyright (C) 2001 FUKUCHI Kentarou
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*
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* EffecTV - Realtime Digital Video Effector
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* Copyright (C) 2001 FUKUCHI Kentarou
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*
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* revTV based on Rutt-Etra Video Synthesizer 1974?
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* (c)2002 Ed Tannenbaum
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*
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* This effect acts like a waveform monitor on each line.
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* It was originally done by deflecting the electron beam on a monitor using
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* additional electromagnets on the yoke of a b/w CRT.
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* Here it is emulated digitally.
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* Experimaental tapes were made with this system by Bill and
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* Louise Etra and Woody and Steina Vasulka
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* The line spacing can be controlled using the 1 and 2 Keys.
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* The gain is controlled using the 3 and 4 keys.
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* The update rate is controlled using the 0 and - keys.
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* EffecTV is free software. This library is free software;
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* 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_REV_H__
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#define __GST_REV_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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#define GST_TYPE_REVTV \
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(gst_revtv_get_type())
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#define GST_REVTV(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_REVTV,GstRevTV))
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#define GST_REVTV_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_REVTV,GstRevTVClass))
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#define GST_IS_REVTV(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_REVTV))
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#define GST_IS_REVTV_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_REVTV))
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typedef struct _GstRevTV GstRevTV;
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typedef struct _GstRevTVClass GstRevTVClass;
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struct _GstRevTV
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{
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GstVideoFilter videofilter;
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/* < private > */
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gint vgrabtime;
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gint vgrab;
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gint linespace;
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gint vscale;
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};
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struct _GstRevTVClass
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{
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GstVideoFilterClass parent_class;
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};
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GType gst_revtv_get_type (void);
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G_END_DECLS
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#endif /* __GST_REV_H__ */
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