tracers: latency: allow for non parented pads to send latency probes
[platform/upstream/gstreamer.git] / gst / gstregistry.h
1 /* GStreamer
2  * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3  *                    2000 Wim Taymans <wim.taymans@chello.be>
4  *
5  * gstregistry.h: Header for registry handling
6  *
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.
11  *
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.
16  *
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., 51 Franklin St, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  */
22
23
24 #ifndef __GST_REGISTRY_H__
25 #define __GST_REGISTRY_H__
26
27 #include <gst/gstconfig.h>
28 #include <gst/gstplugin.h>
29 #include <gst/gstpluginfeature.h>
30
31 G_BEGIN_DECLS
32
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))
39
40 typedef struct _GstRegistry GstRegistry;
41 typedef struct _GstRegistryClass GstRegistryClass;
42 typedef struct _GstRegistryPrivate GstRegistryPrivate;
43
44 /**
45  * GstRegistry:
46  *
47  * Opaque #GstRegistry structure.
48  */
49 struct _GstRegistry {
50   GstObject      object;
51
52   /*< private >*/
53   GstRegistryPrivate *priv;
54 };
55
56 struct _GstRegistryClass {
57   GstObjectClass        parent_class;
58 };
59
60 GST_EXPORT
61 GType                   gst_registry_get_type           (void);
62
63 GST_EXPORT
64 GstRegistry *           gst_registry_get                (void);
65
66 GST_EXPORT
67 gboolean                gst_registry_scan_path          (GstRegistry *registry, const gchar *path);
68
69 #if 0
70 void                    gst_registry_add_path           (GstRegistry * registry, const gchar * path);
71 GList*                  gst_registry_get_path_list      (GstRegistry *registry);
72 #endif
73
74 GST_EXPORT
75 gboolean                gst_registry_add_plugin         (GstRegistry *registry, GstPlugin *plugin);
76
77 GST_EXPORT
78 void                    gst_registry_remove_plugin      (GstRegistry *registry, GstPlugin *plugin);
79
80 GST_EXPORT
81 gboolean                gst_registry_add_feature        (GstRegistry * registry, GstPluginFeature * feature);
82
83 GST_EXPORT
84 void                    gst_registry_remove_feature     (GstRegistry * registry, GstPluginFeature * feature);
85
86 GST_EXPORT
87 GList*                  gst_registry_get_plugin_list    (GstRegistry *registry);
88
89 GST_EXPORT
90 GList*                  gst_registry_plugin_filter      (GstRegistry *registry,
91                                                          GstPluginFilter filter,
92                                                          gboolean first,
93                                                          gpointer user_data);
94 GST_EXPORT
95 GList*                  gst_registry_feature_filter     (GstRegistry *registry,
96                                                          GstPluginFeatureFilter filter,
97                                                          gboolean first,
98                                                          gpointer user_data);
99 GST_EXPORT
100 GList *                 gst_registry_get_feature_list   (GstRegistry *registry,
101                                                          GType type);
102 GST_EXPORT
103 GList *                 gst_registry_get_feature_list_by_plugin (GstRegistry *registry, const gchar *name);
104
105 GST_EXPORT
106 guint32                 gst_registry_get_feature_list_cookie (GstRegistry *registry);
107
108 GST_EXPORT
109 GstPlugin*              gst_registry_find_plugin        (GstRegistry *registry, const gchar *name);
110
111 GST_EXPORT
112 GstPluginFeature*       gst_registry_find_feature       (GstRegistry *registry, const gchar *name, GType type);
113
114 GST_EXPORT
115 GstPlugin *             gst_registry_lookup             (GstRegistry *registry, const char *filename);
116
117 GST_EXPORT
118 GstPluginFeature *      gst_registry_lookup_feature     (GstRegistry *registry, const char *name);
119
120 GST_EXPORT
121 gboolean                gst_registry_check_feature_version (GstRegistry *registry,
122                                                             const gchar *feature_name,
123                                                             guint        min_major,
124                                                             guint        min_minor,
125                                                             guint        min_micro);
126
127 #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
128 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstRegistry, gst_object_unref)
129 #endif
130
131 G_END_DECLS
132
133 #endif /* __GST_REGISTRY_H__ */
134