/usr/include/gstreamer-1.0/gst/controller/gstlfocontrolsource.h is in libgstreamer1.0-dev 1.14.0-1.
This file is owned by root:root, with mode 0o644.
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*
* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
*
* gstlfocontrolsource.h: Control source that provides some periodic waveforms
* as control values.
*
* 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_LFO_CONTROL_SOURCE_H__
#define __GST_LFO_CONTROL_SOURCE_H__
#include <glib-object.h>
#include <gst/gst.h>
#include <gst/controller/controller-enumtypes.h>
G_BEGIN_DECLS
#define GST_TYPE_LFO_CONTROL_SOURCE \
(gst_lfo_control_source_get_type ())
#define GST_LFO_CONTROL_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSource))
#define GST_LFO_CONTROL_SOURCE_CLASS(vtable) \
(G_TYPE_CHECK_CLASS_CAST ((vtable), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSourceClass))
#define GST_IS_LFO_CONTROL_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_LFO_CONTROL_SOURCE))
#define GST_IS_LFO_CONTROL_SOURCE_CLASS(vtable) \
(G_TYPE_CHECK_CLASS_TYPE ((vtable), GST_TYPE_LFO_CONTROL_SOURCE))
#define GST_LFO_CONTROL_SOURCE_GET_CLASS(inst) \
(G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSourceClass))
typedef struct _GstLFOControlSource GstLFOControlSource;
typedef struct _GstLFOControlSourceClass GstLFOControlSourceClass;
typedef struct _GstLFOControlSourcePrivate GstLFOControlSourcePrivate;
/**
* GstLFOWaveform:
* @GST_LFO_WAVEFORM_SINE: sine waveform
* @GST_LFO_WAVEFORM_SQUARE: square waveform
* @GST_LFO_WAVEFORM_SAW: saw waveform
* @GST_LFO_WAVEFORM_REVERSE_SAW: reverse saw waveform
* @GST_LFO_WAVEFORM_TRIANGLE: triangle waveform
*
* The various waveform modes available.
*/
typedef enum
{
GST_LFO_WAVEFORM_SINE,
GST_LFO_WAVEFORM_SQUARE,
GST_LFO_WAVEFORM_SAW,
GST_LFO_WAVEFORM_REVERSE_SAW,
GST_LFO_WAVEFORM_TRIANGLE
} GstLFOWaveform;
/**
* GstLFOControlSource:
*
* The instance structure of #GstControlSource.
*/
struct _GstLFOControlSource {
GstControlSource parent;
/* <private> */
GstLFOControlSourcePrivate *priv;
GMutex lock;
gpointer _gst_reserved[GST_PADDING];
};
struct _GstLFOControlSourceClass {
GstControlSourceClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_CONTROLLER_API
GType gst_lfo_control_source_get_type (void);
/* Functions */
GST_CONTROLLER_API
GstControlSource *gst_lfo_control_source_new (void);
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstLFOControlSource, gst_object_unref)
#endif
G_END_DECLS
#endif /* __GST_LFO_CONTROL_SOURCE_H__ */
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