mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-06 01:19:38 +00:00
82f380704a
The values are not modified and are copied, a const before the parameter should make this even more obvious.
109 lines
4.3 KiB
C
109 lines
4.3 KiB
C
/* GStreamer
|
|
*
|
|
* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
|
|
*
|
|
* gstinterpolationcontrolsource.h: Control source that provides several
|
|
* interpolation methods
|
|
*
|
|
* 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_INTERPOLATION_CONTROL_SOURCE_H__
|
|
#define __GST_INTERPOLATION_CONTROL_SOURCE_H__
|
|
|
|
#include <glib-object.h>
|
|
#include <gst/gst.h>
|
|
|
|
#include "gstcontrolsource.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_INTERPOLATION_CONTROL_SOURCE \
|
|
(gst_interpolation_control_source_get_type ())
|
|
#define GST_INTERPOLATION_CONTROL_SOURCE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_INTERPOLATION_CONTROL_SOURCE, GstInterpolationControlSource))
|
|
#define GST_INTERPOLATION_CONTROL_SOURCE_CLASS(vtable) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((vtable), GST_TYPE_INTERPOLATION_CONTROL_SOURCE, GstInterpolationControlSourceClass))
|
|
#define GST_IS_INTERPOLATION_CONTROL_SOURCE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_INTERPOLATION_CONTROL_SOURCE))
|
|
#define GST_IS_INTERPOLATION_CONTROL_SOURCE_CLASS(vtable) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((vtable), GST_TYPE_INTERPOLATION_CONTROL_SOURCE))
|
|
#define GST_INTERPOLATION_CONTROL_SOURCE_GET_CLASS(inst) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_INTERPOLATION_CONTROL_SOURCE, GstInterpolationControlSourceClass))
|
|
|
|
typedef struct _GstInterpolationControlSource GstInterpolationControlSource;
|
|
typedef struct _GstInterpolationControlSourceClass GstInterpolationControlSourceClass;
|
|
typedef struct _GstInterpolationControlSourcePrivate GstInterpolationControlSourcePrivate;
|
|
|
|
/**
|
|
* GstInterpolateMode:
|
|
* @GST_INTERPOLATE_NONE: steps-like interpolation, default
|
|
* @GST_INTERPOLATE_TRIGGER: returns the default value of the property,
|
|
* except for times with specific values
|
|
* @GST_INTERPOLATE_LINEAR: linear interpolation
|
|
* @GST_INTERPOLATE_QUADRATIC: square interpolation (deprecated, maps to cubic)
|
|
* @GST_INTERPOLATE_CUBIC: cubic interpolation
|
|
* @GST_INTERPOLATE_USER: user-provided interpolation (not yet available)
|
|
*
|
|
* The various interpolation modes available.
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_INTERPOLATE_NONE,
|
|
GST_INTERPOLATE_TRIGGER,
|
|
GST_INTERPOLATE_LINEAR,
|
|
GST_INTERPOLATE_QUADRATIC,
|
|
GST_INTERPOLATE_CUBIC,
|
|
GST_INTERPOLATE_USER
|
|
} GstInterpolateMode;
|
|
|
|
/**
|
|
* GstInterpolationControlSource:
|
|
*
|
|
* The instance structure of #GstControlSource.
|
|
*/
|
|
struct _GstInterpolationControlSource {
|
|
GstControlSource parent;
|
|
|
|
/* <private> */
|
|
GMutex *lock;
|
|
GstInterpolationControlSourcePrivate *priv;
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
struct _GstInterpolationControlSourceClass {
|
|
GstControlSourceClass parent_class;
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
GType gst_interpolation_control_source_get_type (void);
|
|
|
|
/* Functions */
|
|
|
|
GstInterpolationControlSource *gst_interpolation_control_source_new (void);
|
|
gboolean gst_interpolation_control_source_set_interpolation_mode (GstInterpolationControlSource *self, GstInterpolateMode mode);
|
|
gboolean gst_interpolation_control_source_set (GstInterpolationControlSource * self, GstClockTime timestamp, const GValue * value);
|
|
gboolean gst_interpolation_control_source_set_from_list (GstInterpolationControlSource * self, const GSList * timedvalues);
|
|
gboolean gst_interpolation_control_source_unset (GstInterpolationControlSource * self, GstClockTime timestamp);
|
|
void gst_interpolation_control_source_unset_all (GstInterpolationControlSource *self);
|
|
GList *gst_interpolation_control_source_get_all (GstInterpolationControlSource * self);
|
|
gint gst_interpolation_control_source_get_count (GstInterpolationControlSource * self);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_INTERPOLATION_CONTROL_SOURCE_H__ */
|