| 1 | /* GStreamer |
|---|
| 2 | * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
|---|
| 3 | * 2000 Wim Taymans <wtay@chello.be> |
|---|
| 4 | * |
|---|
| 5 | * gstpluginfeature.h: Header for base GstPluginFeature |
|---|
| 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., 59 Temple Place - Suite 330, |
|---|
| 20 | * Boston, MA 02111-1307, USA. |
|---|
| 21 | */ |
|---|
| 22 | |
|---|
| 23 | |
|---|
| 24 | #ifndef __GST_PLUGIN_FEATURE_H__ |
|---|
| 25 | #define __GST_PLUGIN_FEATURE_H__ |
|---|
| 26 | |
|---|
| 27 | #include <glib-object.h> |
|---|
| 28 | #include <gst/gsttypes.h> |
|---|
| 29 | |
|---|
| 30 | G_BEGIN_DECLS |
|---|
| 31 | |
|---|
| 32 | #define GST_TYPE_PLUGIN_FEATURE (gst_plugin_feature_get_type()) |
|---|
| 33 | #define GST_PLUGIN_FEATURE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLUGIN_FEATURE, GstPluginFeature)) |
|---|
| 34 | #define GST_IS_PLUGIN_FEATURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLUGIN_FEATURE)) |
|---|
| 35 | #define GST_PLUGIN_FEATURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLUGIN_FEATURE, GstPluginFeatureClass)) |
|---|
| 36 | #define GST_IS_PLUGIN_FEATURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLUGIN_FEATURE)) |
|---|
| 37 | #define GST_PLUGIN_FEATURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLUGIN_FEATURE, GstPluginFeatureClass)) |
|---|
| 38 | |
|---|
| 39 | #define GST_PLUGIN_FEATURE_NAME(feature) (GST_PLUGIN_FEATURE (feature)->name) |
|---|
| 40 | |
|---|
| 41 | typedef struct _GstPluginFeature GstPluginFeature; |
|---|
| 42 | typedef struct _GstPluginFeatureClass GstPluginFeatureClass; |
|---|
| 43 | |
|---|
| 44 | struct _GstPluginFeature { |
|---|
| 45 | GObject object; |
|---|
| 46 | |
|---|
| 47 | /*< private >*/ |
|---|
| 48 | gchar *name; |
|---|
| 49 | guint rank; |
|---|
| 50 | |
|---|
| 51 | gpointer manager; |
|---|
| 52 | |
|---|
| 53 | gpointer _gst_reserved[GST_PADDING]; |
|---|
| 54 | }; |
|---|
| 55 | |
|---|
| 56 | struct _GstPluginFeatureClass { |
|---|
| 57 | GObjectClass parent_class; |
|---|
| 58 | |
|---|
| 59 | void (*unload_thyself) (GstPluginFeature *feature); |
|---|
| 60 | |
|---|
| 61 | gpointer _gst_reserved[GST_PADDING]; |
|---|
| 62 | }; |
|---|
| 63 | |
|---|
| 64 | typedef struct { |
|---|
| 65 | const gchar *name; |
|---|
| 66 | GType type; |
|---|
| 67 | } GstTypeNameData; |
|---|
| 68 | |
|---|
| 69 | /* filter */ |
|---|
| 70 | typedef gboolean (*GstPluginFeatureFilter) (GstPluginFeature *feature, |
|---|
| 71 | gpointer user_data); |
|---|
| 72 | |
|---|
| 73 | /* normal GObject stuff */ |
|---|
| 74 | GType gst_plugin_feature_get_type (void); |
|---|
| 75 | |
|---|
| 76 | gboolean gst_plugin_feature_ensure_loaded (GstPluginFeature *feature); |
|---|
| 77 | void gst_plugin_feature_unload_thyself (GstPluginFeature *feature); |
|---|
| 78 | |
|---|
| 79 | gboolean gst_plugin_feature_type_name_filter (GstPluginFeature *feature, |
|---|
| 80 | GstTypeNameData *data); |
|---|
| 81 | |
|---|
| 82 | void gst_plugin_feature_set_rank (GstPluginFeature *feature, guint rank); |
|---|
| 83 | void gst_plugin_feature_set_name (GstPluginFeature *feature, const gchar *name); |
|---|
| 84 | guint gst_plugin_feature_get_rank (GstPluginFeature *feature); |
|---|
| 85 | G_CONST_RETURN gchar *gst_plugin_feature_get_name (GstPluginFeature *feature); |
|---|
| 86 | |
|---|
| 87 | G_END_DECLS |
|---|
| 88 | |
|---|
| 89 | |
|---|
| 90 | #endif /* __GST_PLUGIN_FEATURE_H__ */ |
|---|
| 91 | |
|---|
