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 <gst/gstconfig.h>
28 #include <gst/gstplugin.h>
29 #include <gst/gstpluginfeature.h>
33 #define GST_TYPE_REGISTRY (gst_registry_get_type ())
34 #define GST_REGISTRY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_REGISTRY, GstRegistry))
35 #define GST_IS_REGISTRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_REGISTRY))
36 #define GST_REGISTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_REGISTRY, GstRegistryClass))
37 #define GST_IS_REGISTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_REGISTRY))
38 #define GST_REGISTRY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_REGISTRY, GstRegistryClass))
40 typedef struct _GstRegistry GstRegistry;
41 typedef struct _GstRegistryClass GstRegistryClass;
42 typedef struct _GstRegistryPrivate GstRegistryPrivate;
47 * Opaque #GstRegistry structure.
53 GstRegistryPrivate *priv;
55 gpointer _gst_reserved[GST_PADDING];
58 struct _GstRegistryClass {
59 GstObjectClass parent_class;
62 void (*plugin_added) (GstRegistry *registry, GstPlugin *plugin);
63 void (*feature_added) (GstRegistry *registry, GstPluginFeature *feature);
66 gpointer _gst_reserved[GST_PADDING];
70 /* normal GObject stuff */
71 GType gst_registry_get_type (void);
73 GstRegistry * gst_registry_get_default (void);
75 gboolean gst_registry_scan_path (GstRegistry *registry, const gchar *path);
76 void gst_registry_add_path (GstRegistry * registry, const gchar * path);
77 GList* gst_registry_get_path_list (GstRegistry *registry);
79 gboolean gst_registry_add_plugin (GstRegistry *registry, GstPlugin *plugin);
80 void gst_registry_remove_plugin (GstRegistry *registry, GstPlugin *plugin);
81 gboolean gst_registry_add_feature (GstRegistry * registry, GstPluginFeature * feature);
82 void gst_registry_remove_feature (GstRegistry * registry, GstPluginFeature * feature);
84 GList* gst_registry_get_plugin_list (GstRegistry *registry);
85 GList* gst_registry_plugin_filter (GstRegistry *registry,
86 GstPluginFilter filter,
89 GList* gst_registry_feature_filter (GstRegistry *registry,
90 GstPluginFeatureFilter filter,
93 GList * gst_registry_get_feature_list (GstRegistry *registry,
95 GList * gst_registry_get_feature_list_by_plugin (GstRegistry *registry, const gchar *name);
96 guint32 gst_registry_get_feature_list_cookie (GstRegistry *registry);
98 GstPlugin* gst_registry_find_plugin (GstRegistry *registry, const gchar *name);
99 GstPluginFeature* gst_registry_find_feature (GstRegistry *registry, const gchar *name, GType type);
101 GstPlugin * gst_registry_lookup (GstRegistry *registry, const char *filename);
102 GstPluginFeature * gst_registry_lookup_feature (GstRegistry *registry, const char *name);
104 /* convinience defines for the default registry */
107 * gst_default_registry_add_plugin:
108 * @plugin: (transfer full): the plugin to add
110 * Add the plugin to the default registry.
111 * The plugin-added signal will be emitted.
113 * Returns: TRUE on success.
115 #define gst_default_registry_add_plugin(plugin) \
116 gst_registry_add_plugin (gst_registry_get_default(), plugin)
119 * gst_default_registry_add_path:
120 * @path: the path to add to the registry
122 * Add the given path to the default registry. The syntax of the
123 * path is specific to the registry. If the path has already been
126 #define gst_default_registry_add_path(path) \
127 gst_registry_add_path (gst_registry_get_default(), path)
130 * gst_default_registry_get_path_list:
132 * Get the list of paths for the default registry.
134 * Returns: (transfer container) (element-type char*): a #GList of paths as
135 * strings. g_list_free() after use.
137 #define gst_default_registry_get_path_list() \
138 gst_registry_get_path_list (gst_registry_get_default())
141 * gst_default_registry_get_plugin_list:
143 * Get a copy of all plugins registered in the default registry.
145 * Returns: (transfer full) (element-type Gst.Plugin): a copy of the list.
148 #define gst_default_registry_get_plugin_list() \
149 gst_registry_get_plugin_list (gst_registry_get_default())
152 * gst_default_registry_find_feature:
153 * @name: the pluginfeature name to find
154 * @type: the pluginfeature type to find
156 * Find the pluginfeature with the given name and type in the default registry.
158 * Returns: (transfer full): the pluginfeature with the given name and type or
159 * NULL if the plugin was not found.
161 #define gst_default_registry_find_feature(name,type) \
162 gst_registry_find_feature (gst_registry_get_default(),name,type)
165 * gst_default_registry_find_plugin:
166 * @name: the plugin name to find
168 * Find the plugin with the given name in the default registry.
169 * The plugin will be reffed; caller is responsible for unreffing.
171 * Returns: (transfer full): The plugin with the given name or NULL if the
172 * plugin was not found.
174 #define gst_default_registry_find_plugin(name) \
175 gst_registry_find_plugin (gst_registry_get_default(),name)
178 * gst_default_registry_feature_filter:
179 * @filter: the filter to use
180 * @first: only return first match
181 * @user_data: user data passed to the filter function
183 * Runs a filter against all features of the plugins in the default registry
184 * and returns a GList with the results.
185 * If the first flag is set, only the first match is
186 * returned (as a list with a single object).
188 * Returns: (transfer full) (element-type Gst.PluginFeature): a #GList of
189 * plugin features, gst_plugin_feature_list_free after use.
191 #define gst_default_registry_feature_filter(filter,first,user_data) \
192 gst_registry_feature_filter (gst_registry_get_default(),filter,first,user_data)
195 * gst_default_registry_get_feature_list_cookie:
197 * Returns the default registrys feature list cookie. This changes
198 * every time a feature is added or removed from the registry.
200 * Returns: the feature list cookie.
204 #define gst_default_registry_get_feature_list_cookie() \
205 gst_registry_get_feature_list_cookie (gst_registry_get_default())
207 gboolean gst_default_registry_check_feature_version (const gchar *feature_name,
214 #endif /* __GST_REGISTRY_H__ */