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69 lines
2 KiB
C
69 lines
2 KiB
C
/* GStreamer
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* Copyright (C) 2001 Steve Baker <stevebaker_org@yahoo.co.uk>
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*
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* gstdparam_smooth.h: Realtime smoothed dynamic parameter
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_DPSMOOTH_H__
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#define __GST_DPSMOOTH_H__
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#include "dparam.h"
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G_BEGIN_DECLS
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#define GST_TYPE_DPSMOOTH (gst_dpsmooth_get_type ())
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#define GST_DPSMOOTH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DPSMOOTH,GstDParamSmooth))
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#define GST_DPSMOOTH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DPSMOOTH,GstDParamSmooth))
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#define GST_IS_DPSMOOTH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DPSMOOTH))
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#define GST_IS_DPSMOOTH_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DPSMOOTH))
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typedef struct _GstDParamSmoothClass GstDParamSmoothClass;
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typedef struct _GstDParamSmooth GstDParamSmooth;
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struct _GstDParamSmooth {
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GstDParam dparam;
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gint64 start_interp;
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gint64 end_interp;
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gint64 duration_interp;
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gfloat start_float;
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gfloat diff_float;
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gfloat current_float;
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gint64 update_period;
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gint64 slope_time;
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gfloat slope_delta_float;
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gboolean need_interp_times;
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};
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struct _GstDParamSmoothClass {
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GstDParamClass parent_class;
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/* signal callbacks */
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};
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GType gst_dpsmooth_get_type (void);
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GstDParam* gst_dpsmooth_new (GType type);
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G_END_DECLS
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#endif /* __GST_DPSMOOTH_H__ */
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