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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>
#include <gst/controller/gstcontroller.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))
typedef struct _GstPreset GstPreset; /* dummy object */
typedef struct _GstPresetInterface GstPresetInterface;
struct _GstPresetInterface
{
GTypeInterface parent;
GList* (*get_preset_names) (GstPreset *self);
gboolean (*load_preset) (GstPreset *self, const gchar *name);
gboolean (*save_preset) (GstPreset *self, const gchar *name);
gboolean (*rename_preset) (GstPreset *self, const gchar *old_name, const gchar *new_name);
gboolean (*delete_preset) (GstPreset *self, const gchar *name);
gboolean (*set_meta) (GstPreset *self,const gchar *name, const gchar *tag, gchar *value);
gboolean (*get_meta) (GstPreset *self,const gchar *name, const gchar *tag, gchar **value);
void (*create_preset) (GstPreset *self);
/* @todo:
*
* need a presets-changed signal, to notify of changes in preset list
*
* need a way to sync class instances, we want to keep only one list for all
* instances of a type and if the list changes, we trigger the signal for all
* instance
*/
};
GType gst_preset_get_type(void);
GList* gst_preset_get_preset_names (GstPreset *self);
gboolean gst_preset_load_preset (GstPreset *self, const gchar *name);
gboolean gst_preset_save_preset (GstPreset *self, const gchar *name);
gboolean gst_preset_rename_preset (GstPreset *self, const gchar *old_name, const gchar *new_name);
gboolean gst_preset_delete_preset (GstPreset *self, const gchar *name);
gboolean gst_preset_set_meta (GstPreset *self,const gchar *name, const gchar *tag, gchar *value);
gboolean gst_preset_get_meta (GstPreset *self,const gchar *name, const gchar *tag, gchar **value);
void gst_preset_create_preset (GstPreset *self);
G_END_DECLS
#endif /* __GST_PRESET_H__ */
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