/* 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>

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];

};

#ifdef __SYMBIAN32__

IMPORT_C

#endif

GType gst_interpolation_control_source_get_type (void);

/* Functions */

#ifdef __SYMBIAN32__

IMPORT_C

#endif

GstInterpolationControlSource *gst_interpolation_control_source_new (void);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gboolean gst_interpolation_control_source_set_interpolation_mode (GstInterpolationControlSource *self, GstInterpolateMode mode);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gboolean gst_interpolation_control_source_set (GstInterpolationControlSource * self, GstClockTime timestamp, GValue * value);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gboolean gst_interpolation_control_source_set_from_list (GstInterpolationControlSource * self, GSList * timedvalues);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gboolean gst_interpolation_control_source_unset (GstInterpolationControlSource * self, GstClockTime timestamp);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

void gst_interpolation_control_source_unset_all (GstInterpolationControlSource *self);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

GList *gst_interpolation_control_source_get_all (GstInterpolationControlSource * self);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gint gst_interpolation_control_source_get_count (GstInterpolationControlSource * self);

G_END_DECLS

#endif /* __GST_INTERPOLATION_CONTROL_SOURCE_H__ */