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e1b5b74857
Original commit message from CVS: * gst/Makefile.am: * gst/gstelement.h: * gst/gstelementfactory.h: * gst/gsttypes.h: Move elementfactory methods to separate .h file.
119 lines
4.6 KiB
C
119 lines
4.6 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000,2004 Wim Taymans <wim@fluendo.com>
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*
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* gstelement.h: Header for GstElement
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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_ELEMENT_FACTORY_H__
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#define __GST_ELEMENT_FACTORY_H__
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#include <gst/gstconfig.h>
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#include <gst/gsttypes.h>
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#include <gst/gstelement.h>
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#include <gst/gstobject.h>
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#include <gst/gstplugin.h>
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#include <gst/gstpluginfeature.h>
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#include <gst/gstiterator.h>
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G_BEGIN_DECLS
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/* FIXME: need translatable stuff in here (how handle in registry)? */
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struct _GstElementDetails
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{
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/*< public > */
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gchar *longname; /* long, english name */
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gchar *klass; /* type of element, as hierarchy */
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gchar *description; /* insights of one form or another */
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gchar *author; /* who wrote this thing? */
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/*< private > */
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gpointer _gst_reserved[GST_PADDING];
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};
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#define GST_ELEMENT_DETAILS(longname,klass,description,author) \
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{ longname, klass, description, author, GST_PADDING_INIT }
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#define GST_IS_ELEMENT_DETAILS(details) ( \
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(details) && ((details)->longname != NULL) && ((details)->klass != NULL) \
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&& ((details)->description != NULL) && ((details)->author != NULL))
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#define GST_TYPE_ELEMENT_FACTORY (gst_element_factory_get_type())
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#define GST_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ELEMENT_FACTORY,\
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GstElementFactory))
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#define GST_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ELEMENT_FACTORY,\
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GstElementFactoryClass))
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#define GST_IS_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ELEMENT_FACTORY))
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#define GST_IS_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ELEMENT_FACTORY))
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struct _GstElementFactory {
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GstPluginFeature parent;
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GType type; /* unique GType of element or 0 if not loaded */
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GstElementDetails details;
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GList * staticpadtemplates;
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guint numpadtemplates;
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/* URI interface stuff */
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guint uri_type;
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gchar ** uri_protocols;
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GList * interfaces; /* interfaces this element implements */
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstElementFactoryClass {
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GstPluginFeatureClass parent_class;
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_element_factory_get_type (void);
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GstElementFactory * gst_element_factory_find (const gchar *name);
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GType gst_element_factory_get_element_type (GstElementFactory *factory);
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G_CONST_RETURN gchar * gst_element_factory_get_longname (GstElementFactory *factory);
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G_CONST_RETURN gchar * gst_element_factory_get_klass (GstElementFactory *factory);
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G_CONST_RETURN gchar * gst_element_factory_get_description (GstElementFactory *factory);
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G_CONST_RETURN gchar * gst_element_factory_get_author (GstElementFactory *factory);
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guint gst_element_factory_get_num_pad_templates (GstElementFactory *factory);
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G_CONST_RETURN GList * gst_element_factory_get_static_pad_templates (GstElementFactory *factory);
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guint gst_element_factory_get_uri_type (GstElementFactory *factory);
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gchar ** gst_element_factory_get_uri_protocols (GstElementFactory *factory);
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GstElement* gst_element_factory_create (GstElementFactory *factory,
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const gchar *name);
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GstElement* gst_element_factory_make (const gchar *factoryname, const gchar *name);
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void __gst_element_factory_add_static_pad_template (GstElementFactory *elementfactory,
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GstStaticPadTemplate *templ);
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void __gst_element_factory_add_interface (GstElementFactory *elementfactory,
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const gchar *interfacename);
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gboolean gst_element_register (GstPlugin *plugin, const gchar *name,
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guint rank, GType type);
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G_END_DECLS
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#endif /* __GST_ELEMENT_FACTORY_H__ */
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