gstreamer_core/gst/gstpreset.h
branchRCL_3
changeset 29 567bb019e3e3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/gst/gstpreset.h	Tue Aug 31 15:30:33 2010 +0300
@@ -0,0 +1,135 @@
+/* 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];
+};
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GType gst_preset_get_type(void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+gchar**      gst_preset_get_preset_names   (GstPreset *preset);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+gchar**      gst_preset_get_property_names (GstPreset *preset);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+gboolean     gst_preset_load_preset        (GstPreset *preset, const gchar *name);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gboolean     gst_preset_save_preset        (GstPreset *preset, const gchar *name);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gboolean     gst_preset_rename_preset      (GstPreset *preset, const gchar *old_name,
+                                            const gchar *new_name);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gboolean     gst_preset_delete_preset      (GstPreset *preset, const gchar *name);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+gboolean     gst_preset_set_meta           (GstPreset *preset, const gchar *name,
+                                            const gchar *tag, const gchar *value);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gboolean     gst_preset_get_meta           (GstPreset *preset, const gchar *name,
+                                            const gchar *tag, gchar **value);
+
+G_END_DECLS
+
+#endif /* __GST_PRESET_H__ */