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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstpluginfeature.h: Header for base GstPluginFeature
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_PLUGIN_FEATURE_H__
#define __GST_PLUGIN_FEATURE_H__
#include <glib-object.h>
G_BEGIN_DECLS
#define GST_TYPE_PLUGIN_FEATURE (gst_plugin_feature_get_type())
#define GST_PLUGIN_FEATURE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLUGIN_FEATURE, GstPluginFeature))
#define GST_IS_PLUGIN_FEATURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLUGIN_FEATURE))
#define GST_PLUGIN_FEATURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLUGIN_FEATURE, GstPluginFeatureClass))
#define GST_IS_PLUGIN_FEATURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLUGIN_FEATURE))
#define GST_PLUGIN_FEATURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLUGIN_FEATURE, GstPluginFeatureClass))
#define GST_PLUGIN_FEATURE_NAME(feature) (GST_PLUGIN_FEATURE (feature)->name)
typedef struct _GstPluginFeature GstPluginFeature;
typedef struct _GstPluginFeatureClass GstPluginFeatureClass;
/* some predefined ranks */
typedef enum {
GST_RANK_NONE = 0,
GST_RANK_MARGINAL = 64,
GST_RANK_SECONDARY = 128,
GST_RANK_PRIMARY = 256
} GstRank;
struct _GstPluginFeature {
GObject object;
/*< private >*/
gchar *name;
guint rank;
struct _GstPlugin *plugin;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
struct _GstPluginFeatureClass {
GObjectClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
typedef struct {
const gchar *name;
GType type;
} GstTypeNameData;
/* filter */
typedef gboolean (*GstPluginFeatureFilter) (GstPluginFeature *feature,
gpointer user_data);
/* normal GObject stuff */
GType gst_plugin_feature_get_type (void);
GstPluginFeature *
gst_plugin_feature_load (GstPluginFeature *feature);
gboolean gst_plugin_feature_type_name_filter (GstPluginFeature *feature,
GstTypeNameData *data);
void gst_plugin_feature_set_rank (GstPluginFeature *feature, guint rank);
void gst_plugin_feature_set_name (GstPluginFeature *feature, const gchar *name);
guint gst_plugin_feature_get_rank (GstPluginFeature *feature);
G_CONST_RETURN gchar *gst_plugin_feature_get_name (GstPluginFeature *feature);
G_END_DECLS
#endif /* __GST_PLUGIN_FEATURE_H__ */
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