mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 02:31:03 +00:00
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/* GStreamer
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_LFO_CONTROL_SOURCE_H__
|
|
#define __GST_LFO_CONTROL_SOURCE_H__
|
|
|
|
#include <glib-object.h>
|
|
#include <gst/gst.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))
|
|
|
|
#define GST_TYPE_LFO_WAVEFORM (gst_lfo_waveform_get_type ())
|
|
|
|
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];
|
|
};
|
|
|
|
GType gst_lfo_control_source_get_type (void);
|
|
GType gst_lfo_waveform_get_type (void);
|
|
|
|
/* Functions */
|
|
|
|
GstLFOControlSource *gst_lfo_control_source_new (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_LFO_CONTROL_SOURCE_H__ */
|