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102 lines
4.1 KiB
C
102 lines
4.1 KiB
C
/* GStreamer
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* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
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*
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* gstpreset.h: helper interface header for element presets
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_PRESET_H__
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#define __GST_PRESET_H__
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#include <glib-object.h>
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#include <gst/gstconfig.h>
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G_BEGIN_DECLS
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#define GST_TYPE_PRESET (gst_preset_get_type())
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#define GST_PRESET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PRESET, GstPreset))
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#define GST_IS_PRESET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PRESET))
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#define GST_PRESET_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_PRESET, GstPresetInterface))
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/**
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* GstPreset:
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*
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* Opaque #GstPreset data structure.
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*/
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typedef struct _GstPreset GstPreset; /* dummy object */
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typedef struct _GstPresetInterface GstPresetInterface;
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/**
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* GstPresetInterface:
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* @parent: parent interface type.
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* @get_preset_names: virtual method to get list of presets
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* @get_property_names: virtual methods to get properties that are persistent
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* @load_preset: virtual methods to load a preset into properties
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* @save_preset: virtual methods to save properties into a preset
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* @rename_preset: virtual methods to rename a preset
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* @delete_preset: virtual methods to remove a preset
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* @set_meta: virtual methods to set textual meta data to a preset
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* @get_meta: virtual methods to get textual meta data from a preset
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*
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* #GstPreset interface.
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*/
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struct _GstPresetInterface
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{
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GTypeInterface parent;
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/* methods */
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gchar** (*get_preset_names) (GstPreset *preset);
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gchar** (*get_property_names) (GstPreset *preset);
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gboolean (*load_preset) (GstPreset *preset, const gchar *name);
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gboolean (*save_preset) (GstPreset *preset, const gchar *name);
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gboolean (*rename_preset) (GstPreset *preset, const gchar *old_name,
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const gchar *new_name);
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gboolean (*delete_preset) (GstPreset *preset, const gchar *name);
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gboolean (*set_meta) (GstPreset *preset, const gchar *name,
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const gchar *tag, const gchar *value);
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gboolean (*get_meta) (GstPreset *preset, const gchar *name,
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const gchar *tag, gchar **value);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_preset_get_type(void);
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gchar** gst_preset_get_preset_names (GstPreset *preset) G_GNUC_MALLOC;
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gchar** gst_preset_get_property_names (GstPreset *preset) G_GNUC_MALLOC;
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gboolean gst_preset_load_preset (GstPreset *preset, const gchar *name);
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gboolean gst_preset_save_preset (GstPreset *preset, const gchar *name);
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gboolean gst_preset_rename_preset (GstPreset *preset, const gchar *old_name,
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const gchar *new_name);
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gboolean gst_preset_delete_preset (GstPreset *preset, const gchar *name);
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gboolean gst_preset_set_meta (GstPreset *preset, const gchar *name,
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const gchar *tag, const gchar *value);
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gboolean gst_preset_get_meta (GstPreset *preset, const gchar *name,
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const gchar *tag, gchar **value);
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gboolean gst_preset_set_app_dir (const gchar *app_dir);
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const gchar *gst_preset_get_app_dir (void);
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G_END_DECLS
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#endif /* __GST_PRESET_H__ */
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