gstreamer/gst/gstplugin.h

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstplugin.h: Header for plugin subsystem
*
* 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_PLUGIN_H__
#define __GST_PLUGIN_H__
#include <gmodule.h>
#include <parser.h> // NOTE: this is xml-config's fault
// Include compatability defines: if libxml hasn't already defined these,
// we have an old version 1.x
#ifndef xmlChildrenNode
#define xmlChildrenNode childs
#define xmlRootNode root
#endif
#include <gst/gsttype.h>
#include <gst/gstelement.h>
#include <gst/gstautoplug.h>
typedef struct _GstPlugin GstPlugin;
typedef struct _GstPluginDesc GstPluginDesc;
struct _GstPlugin {
gchar *name; /* name of the plugin */
gchar *longname; /* long name of plugin */
gchar *filename; /* filename it came from */
GList *types; /* list of types provided */
gint numtypes;
GList *elements; /* list of elements provided */
gint numelements;
#ifndef GST_DISABLE_AUTOPLUG
GList *autopluggers; /* list of autopluggers provided */
gint numautopluggers;
#endif // GST_DISABLE_AUTOPLUG
gboolean loaded; /* if the plugin is in memory */
};
/* Initialiser function: returns TRUE if plugin initialised successfully */
typedef gboolean (*GstPluginInitFunc) (GModule *module, GstPlugin *plugin);
struct _GstPluginDesc {
gint major_version; /* major version of core that plugin was compiled for */
gint minor_version; /* minor version of core that plugin was compiled for */
gchar *name; /* name of plugin */
GstPluginInitFunc plugin_init; /* pointer to plugin_init function */
};
void _gst_plugin_initialize (void);
GstPlugin* gst_plugin_new (const gchar *name, gint major, gint minor);
void gst_plugin_add_path (const gchar *path);
const gchar* gst_plugin_get_name (GstPlugin *plugin);
void gst_plugin_set_name (GstPlugin *plugin, const gchar *name);
const gchar* gst_plugin_get_longname (GstPlugin *plugin);
void gst_plugin_set_longname (GstPlugin *plugin, const gchar *longname);
const gchar* gst_plugin_get_filename (GstPlugin *plugin);
gboolean gst_plugin_is_loaded (GstPlugin *plugin);
GList* gst_plugin_get_type_list (GstPlugin *plugin);
GList* gst_plugin_get_factory_list (GstPlugin *plugin);
#ifndef GST_DISABLE_AUTOPLUG
GList* gst_plugin_get_autoplug_list (GstPlugin *plugin);
#else
#pragma GCC poison gst_plugin_get_autoplug_list
#endif // GST_DISABLE_AUTOPLUG
void gst_plugin_load_all (void);
gboolean gst_plugin_load (const gchar *name);
gboolean gst_plugin_load_absolute (const gchar *name);
gboolean gst_library_load (const gchar *name);
void gst_plugin_add_factory (GstPlugin *plugin, GstElementFactory *factory);
void gst_plugin_add_type (GstPlugin *plugin, GstTypeFactory *factory);
#ifndef GST_DISABLE_AUTOPLUG
void gst_plugin_add_autoplugger (GstPlugin *plugin, GstAutoplugFactory *factory);
#else
#pragma GCC poison gst_plugin_add_autoplugger
#endif // GST_DISABLE_AUTOPLUG
GstPlugin* gst_plugin_find (const gchar *name);
GList* gst_plugin_get_list (void);
GstElementFactory* gst_plugin_load_elementfactory (const gchar *name);
void gst_plugin_load_typefactory (const gchar *mime);
#ifndef GST_DISABLE_AUTOPLUG
GstAutoplugFactory* gst_plugin_load_autoplugfactory (const gchar *name);
#else
#pragma GCC poison gst_plugin_add_autoplugger
#endif // GST_DISABLE_AUTOPLUG
xmlNodePtr gst_plugin_save_thyself (xmlNodePtr parent);
void gst_plugin_load_thyself (xmlNodePtr parent);
#endif /* __GST_PLUGIN_H__ */