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/* GStreamer
* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
*
* gstpreset.h: helper interface header for element presets
*
* 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_PRESET_H__
#define __GST_PRESET_H__
#include <glib-object.h>
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_PRESET (gst_preset_get_type())
#define GST_PRESET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PRESET, GstPreset))
#define GST_IS_PRESET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PRESET))
#define GST_PRESET_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_PRESET, GstPresetInterface))
/**
* GstPreset:
*
* Opaque #GstPreset data structure.
*/
typedef struct _GstPreset GstPreset; /* dummy object */
typedef struct _GstPresetInterface GstPresetInterface;
/**
* GstPresetInterface:
* @parent: parent interface type.
* @get_preset_names: virtual method to get list of presets
* @get_property_names: virtual methods to get properties that are persistent
* @load_preset: virtual methods to load a preset into properties
* @save_preset: virtual methods to save properties into a preset
* @rename_preset: virtual methods to rename a preset
* @delete_preset: virtual methods to remove a preset
* @set_meta: virtual methods to set textual meta data to a preset
* @get_meta: virtual methods to get textual meta data from a preset
*
* #GstPreset interface.
*/
struct _GstPresetInterface
{
GTypeInterface parent;
/* methods */
gchar** (*get_preset_names) (GstPreset *preset);
gchar** (*get_property_names) (GstPreset *preset);
gboolean (*load_preset) (GstPreset *preset, const gchar *name);
gboolean (*save_preset) (GstPreset *preset, const gchar *name);
gboolean (*rename_preset) (GstPreset *preset, const gchar *old_name,
const gchar *new_name);
gboolean (*delete_preset) (GstPreset *preset, const gchar *name);
gboolean (*set_meta) (GstPreset *preset, const gchar *name,
const gchar *tag, const gchar *value);
gboolean (*get_meta) (GstPreset *preset, const gchar *name,
const gchar *tag, gchar **value);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GType gst_preset_get_type(void);
gchar** gst_preset_get_preset_names (GstPreset *preset);
gchar** gst_preset_get_property_names (GstPreset *preset);
gboolean gst_preset_load_preset (GstPreset *preset, const gchar *name);
gboolean gst_preset_save_preset (GstPreset *preset, const gchar *name);
gboolean gst_preset_rename_preset (GstPreset *preset, const gchar *old_name,
const gchar *new_name);
gboolean gst_preset_delete_preset (GstPreset *preset, const gchar *name);
gboolean gst_preset_set_meta (GstPreset *preset, const gchar *name,
const gchar *tag, const gchar *value);
gboolean gst_preset_get_meta (GstPreset *preset, const gchar *name,
const gchar *tag, gchar **value);
G_END_DECLS
#endif /* __GST_PRESET_H__ */
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