--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/gst/gstelementfactory.h Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,236 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000,2004 Wim Taymans <wim@fluendo.com>
+ *
+ * gstelement.h: Header for GstElement
+ *
+ * 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_ELEMENT_FACTORY_H__
+#define __GST_ELEMENT_FACTORY_H__
+
+typedef struct _GstElementFactory GstElementFactory;
+typedef struct _GstElementFactoryClass GstElementFactoryClass;
+
+#include <gst/gstconfig.h>
+#include <gst/gstelement.h>
+#include <gst/gstobject.h>
+#include <gst/gstplugin.h>
+#include <gst/gstpluginfeature.h>
+#include <gst/gstiterator.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstElementDetails GstElementDetails;
+
+/**
+ * GstElementDetails:
+ * @longname: long, english name
+ * @klass: string describing the type of element, as an unordered list
+ * separated with slashes ('/'). See draft-klass.txt of the design docs
+ * for more details and common types
+ * @description: what the element is about
+ * @author: who wrote this thing?
+ *
+ * This struct defines the public information about a #GstElement. It contains
+ * meta-data about the element that is mostly for the benefit of editors.
+ *
+ * The @klass member can be used by applications to filter elements based
+ * on functionality.
+ */
+/* FIXME: need translatable stuff in here (how handle in registry)?
+ * can't we use _N("long name") in element implementations and use _(longname)
+ * in gst_element_factory_get_longname()
+ */
+struct _GstElementDetails
+{
+ /*< public > */
+ gchar *longname;
+ gchar *klass;
+ gchar *description;
+ gchar *author;
+
+ /*< private > */
+ gpointer _gst_reserved[GST_PADDING];
+};
+
+/**
+ * GST_ELEMENT_DETAILS:
+ * @longname: long, english name
+ * @klass: string describing the type of element, as an unordered list
+ * separated with slashes ('/'). See draft-klass.txt of the design docs
+ * for more details and common types
+ * @description: what the element is about
+ * @author: who wrote this element
+ *
+ * Macro to initialize #GstElementDetails.
+ */
+#define GST_ELEMENT_DETAILS(longname,klass,description,author) \
+ { longname, klass, description, author, {NULL} }
+
+/**
+ * GST_IS_ELEMENT_DETAILS:
+ * @details: the #GstElementDetails to check
+ *
+ * Tests if element details are initialized.
+ */
+/* FIXME: what about adding '&& (*__gst_reserved==NULL)' */
+#define GST_IS_ELEMENT_DETAILS(details) ( \
+ (details) && ((details)->longname != NULL) && ((details)->klass != NULL) \
+ && ((details)->description != NULL) && ((details)->author != NULL))
+
+#define GST_TYPE_ELEMENT_FACTORY (gst_element_factory_get_type())
+#define GST_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ELEMENT_FACTORY,\
+ GstElementFactory))
+#define GST_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ELEMENT_FACTORY,\
+ GstElementFactoryClass))
+#define GST_IS_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ELEMENT_FACTORY))
+#define GST_IS_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ELEMENT_FACTORY))
+#define GST_ELEMENT_FACTORY_CAST(obj) ((GstElementFactory *)(obj))
+
+/**
+ * GstElementFactory:
+ *
+ * The opaque #GstElementFactory data structure.
+ */
+struct _GstElementFactory {
+ GstPluginFeature parent;
+
+ GType type; /* unique GType of element or 0 if not loaded */
+
+ GstElementDetails details;
+
+ GList * staticpadtemplates;
+ guint numpadtemplates;
+
+ /* URI interface stuff */
+ guint uri_type;
+ gchar ** uri_protocols;
+
+ GList * interfaces; /* interfaces this element implements */
+
+ gpointer _gst_reserved[GST_PADDING];
+};
+
+struct _GstElementFactoryClass {
+ GstPluginFeatureClass parent_class;
+
+ gpointer _gst_reserved[GST_PADDING];
+};
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GType gst_element_factory_get_type (void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GstElementFactory * gst_element_factory_find (const gchar *name);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GType gst_element_factory_get_element_type (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+G_CONST_RETURN gchar * gst_element_factory_get_longname (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+G_CONST_RETURN gchar * gst_element_factory_get_klass (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+G_CONST_RETURN gchar * gst_element_factory_get_description (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+G_CONST_RETURN gchar * gst_element_factory_get_author (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+guint gst_element_factory_get_num_pad_templates (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+G_CONST_RETURN GList * gst_element_factory_get_static_pad_templates (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gint gst_element_factory_get_uri_type (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gchar ** gst_element_factory_get_uri_protocols (GstElementFactory *factory);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gboolean gst_element_factory_has_interface (GstElementFactory *factory,
+ const gchar *interfacename);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GstElement* gst_element_factory_create (GstElementFactory *factory,
+ const gchar *name);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GstElement* gst_element_factory_make (const gchar *factoryname, const gchar *name);
+
+/* FIXME 0.11: move these two into our private headers */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+void __gst_element_factory_add_static_pad_template (GstElementFactory *elementfactory,
+ GstStaticPadTemplate *templ);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+void __gst_element_factory_add_interface (GstElementFactory *elementfactory,
+ const gchar *interfacename);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gboolean gst_element_register (GstPlugin *plugin, const gchar *name,
+ guint rank, GType type);
+
+
+
+G_END_DECLS
+
+#endif /* __GST_ELEMENT_FACTORY_H__ */