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 GType                   gst_registry_get_type           (void);
  61
  62 GstRegistry *           gst_registry_get                (void);
  63
  64 gboolean                gst_registry_scan_path          (GstRegistry *registry, const gchar *path);
  65
  66 #if 0
  67 void                    gst_registry_add_path           (GstRegistry * registry, const gchar * path);
  68 GList*                  gst_registry_get_path_list      (GstRegistry *registry);
  69 #endif
  70
  71 gboolean                gst_registry_add_plugin         (GstRegistry *registry, GstPlugin *plugin);
  72 void                    gst_registry_remove_plugin      (GstRegistry *registry, GstPlugin *plugin);
  73 gboolean                gst_registry_add_feature        (GstRegistry * registry, GstPluginFeature * feature);
  74 void                    gst_registry_remove_feature     (GstRegistry * registry, GstPluginFeature * feature);
  75
  76 GList*                  gst_registry_get_plugin_list    (GstRegistry *registry);
  77 GList*                  gst_registry_plugin_filter      (GstRegistry *registry,
  78                                                          GstPluginFilter filter,
  79                                                          gboolean first,
  80                                                          gpointer user_data);
  81 GList*                  gst_registry_feature_filter     (GstRegistry *registry,
  82                                                          GstPluginFeatureFilter filter,
  83                                                          gboolean first,
  84                                                          gpointer user_data);
  85 GList *                 gst_registry_get_feature_list   (GstRegistry *registry,
  86                                                          GType type);
  87 GList *                 gst_registry_get_feature_list_by_plugin (GstRegistry *registry, const gchar *name);
  88 guint32                 gst_registry_get_feature_list_cookie (GstRegistry *registry);
  89
  90 GstPlugin*              gst_registry_find_plugin        (GstRegistry *registry, const gchar *name);
  91 GstPluginFeature*       gst_registry_find_feature       (GstRegistry *registry, const gchar *name, GType type);
  92
  93 GstPlugin *             gst_registry_lookup             (GstRegistry *registry, const char *filename);
  94 GstPluginFeature *      gst_registry_lookup_feature     (GstRegistry *registry, const char *name);
  95
  96 gboolean                gst_registry_check_feature_version (GstRegistry *registry,
  97                                                             const gchar *feature_name,
  98                                                             guint        min_major,
  99                                                             guint        min_minor,
 100                                                             guint        min_micro);
 101
 102 #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
 103 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstRegistry, gst_object_unref)
 104 #endif
 105
 106 G_END_DECLS
 107
 108 #endif /* __GST_REGISTRY_H__ */
 109