2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wim.taymans@chello.be>
5 * gstregistry.h: Header for registry handling
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
24 #ifndef __GST_REGISTRY_H__
25 #define __GST_REGISTRY_H__
27 #include <stdio.h> /* FIXME: because of cache_file below */
28 #include <gst/gstconfig.h>
29 #include <gst/gstplugin.h>
30 #include <gst/gstpluginfeature.h>
34 #define GST_TYPE_REGISTRY (gst_registry_get_type ())
35 #define GST_REGISTRY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_REGISTRY, GstRegistry))
36 #define GST_IS_REGISTRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_REGISTRY))
37 #define GST_REGISTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_REGISTRY, GstRegistryClass))
38 #define GST_IS_REGISTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_REGISTRY))
39 #define GST_REGISTRY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_REGISTRY, GstRegistryClass))
41 typedef struct _GstRegistry GstRegistry;
42 typedef struct _GstRegistryClass GstRegistryClass;
47 * Opaque #GstRegistry structure.
58 /* FIXME move these elsewhere */
62 gpointer _gst_reserved[GST_PADDING];
65 struct _GstRegistryClass {
66 GstObjectClass parent_class;
69 void (*plugin_added) (GstRegistry *registry, GstPlugin *plugin);
70 void (*feature_added) (GstRegistry *registry, GstPluginFeature *feature);
73 gpointer _gst_reserved[GST_PADDING];
77 /* normal GObject stuff */
78 GType gst_registry_get_type (void);
80 GstRegistry * gst_registry_get_default (void);
82 gboolean gst_registry_scan_path (GstRegistry *registry, const gchar *path);
83 GList* gst_registry_get_path_list (GstRegistry *registry);
85 gboolean gst_registry_add_plugin (GstRegistry *registry, GstPlugin *plugin);
86 void gst_registry_remove_plugin (GstRegistry *registry, GstPlugin *plugin);
87 gboolean gst_registry_add_feature (GstRegistry * registry, GstPluginFeature * feature);
88 void gst_registry_remove_feature (GstRegistry * registry, GstPluginFeature * feature);
90 GList* gst_registry_get_plugin_list (GstRegistry *registry);
91 GList* gst_registry_plugin_filter (GstRegistry *registry,
92 GstPluginFilter filter,
95 GList* gst_registry_feature_filter (GstRegistry *registry,
96 GstPluginFeatureFilter filter,
99 GList * gst_registry_get_feature_list (GstRegistry *registry,
101 GList * gst_registry_get_feature_list_by_plugin (GstRegistry *registry, const gchar *name);
103 GstPlugin* gst_registry_find_plugin (GstRegistry *registry, const gchar *name);
104 GstPluginFeature* gst_registry_find_feature (GstRegistry *registry, const gchar *name, GType type);
106 GstPlugin * gst_registry_lookup (GstRegistry *registry, const char *filename);
107 GstPluginFeature * gst_registry_lookup_feature (GstRegistry *registry, const char *name);
109 gboolean gst_registry_xml_read_cache (GstRegistry * registry, const char *location);
110 gboolean gst_registry_xml_write_cache (GstRegistry * registry, const char *location);
112 void _gst_registry_remove_cache_plugins (GstRegistry *registry);
114 void _gst_registry_cleanup (void);
116 /* convinience defines for the default registry */
119 * gst_default_registry_add_plugin:
120 * @plugin: the plugin to add
122 * Add the plugin to the default registry.
123 * The plugin-added signal will be emitted.
125 * Returns: TRUE on success.
127 #define gst_default_registry_add_plugin(plugin) \
128 gst_registry_add_plugin (gst_registry_get_default(), plugin)
131 * gst_default_registry_add_path:
132 * @path: the path to add to the registry
134 * Add the given path to the default registry. The syntax of the
135 * path is specific to the registry. If the path has already been
138 #define gst_default_registry_add_path(path) \
139 gst_registry_add_path (gst_registry_get_default(), path)
142 * gst_default_registry_get_path_list:
144 * Get the list of paths for the default registry.
146 * Returns: A Glist of paths as strings. g_list_free after use.
148 #define gst_default_registry_get_path_list() \
149 gst_registry_get_path_list (gst_registry_get_default())
152 * gst_default_registry_get_plugin_list:
154 * Get a copy of all plugins registered in the default registry.
156 * Returns: a copy of the list. Free after use.
158 #define gst_default_registry_get_plugin_list() \
159 gst_registry_get_plugin_list (gst_registry_get_default())
162 * gst_default_registry_find_feature:
163 * @name: the pluginfeature name to find
164 * @type: the pluginfeature type to find
166 * Find the pluginfeature with the given name and type in the default registry.
168 * Returns: The pluginfeature with the given name and type or NULL
169 * if the plugin was not found.
171 #define gst_default_registry_find_feature(name,type) \
172 gst_registry_find_feature (gst_registry_get_default(),name,type)
175 * gst_default_registry_find_plugin:
176 * @name: the plugin name to find
178 * Find the plugin with the given name in the default registry.
179 * The plugin will be reffed; caller is responsible for unreffing.
181 * Returns: The plugin with the given name or NULL if the plugin was not found.
183 #define gst_default_registry_find_plugin(name) \
184 gst_registry_find_plugin (gst_registry_get_default(),name)
187 * gst_default_registry_feature_filter:
188 * @filter: the filter to use
189 * @first: only return first match
190 * @user_data: user data passed to the filter function
192 * Runs a filter against all features of the plugins in the default registry
193 * and returns a GList with the results.
194 * If the first flag is set, only the first match is
195 * returned (as a list with a single object).
197 * Returns: a GList of plugin features, gst_plugin_feature_list_free after use.
199 #define gst_default_registry_feature_filter(filter,first,user_data) \
200 gst_registry_feature_filter (gst_registry_get_default(),filter,first,user_data)
202 gboolean gst_default_registry_check_feature_version (const gchar *feature_name,
209 #endif /* __GST_REGISTRY_H__ */