2 * Copyright (C) 2005 David Schleef <ds@schleef.org>
4 * gstminiobject.h: Header for GstMiniObject
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
23 #ifndef __GST_MINI_OBJECT_H__
24 #define __GST_MINI_OBJECT_H__
26 #include <glib-object.h>
27 #include "gst/gsttypes.h"
31 #define GST_TYPE_MINI_OBJECT (gst_mini_object_get_type())
32 #define GST_IS_MINI_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MINI_OBJECT))
33 #define GST_IS_MINI_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MINI_OBJECT))
34 #define GST_MINI_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_MINI_OBJECT, GstMiniObjectClass))
35 #define GST_MINI_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MINI_OBJECT, GstMiniObject))
36 #define GST_MINI_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MINI_OBJECT, GstMiniObjectClass))
38 typedef struct _GstMiniObject GstMiniObject;
39 typedef struct _GstMiniObjectClass GstMiniObjectClass;
41 typedef GstMiniObject * (*GstMiniObjectCopyFunction) (const GstMiniObject *);
42 typedef void (*GstMiniObjectFinalizeFunction) (GstMiniObject *);
44 #define GST_MINI_OBJECT_FLAGS(obj) (GST_MINI_OBJECT(obj)->flags)
45 #define GST_MINI_OBJECT_FLAG_IS_SET(obj,flag) (GST_MINI_OBJECT_FLAGS(obj) & (flag))
46 #define GST_MINI_OBJECT_FLAG_SET(obj,flag) (GST_MINI_OBJECT_FLAGS (obj) |= (flag))
47 #define GST_MINI_OBJECT_FLAG_UNSET(obj,flag) (GST_MINI_OBJECT_FLAGS (obj) &= ~(flag))
49 #define GST_VALUE_HOLDS_MINI_OBJECT(value) (G_VALUE_HOLDS(value, GST_TYPE_MINI_OBJECT))
53 GST_MINI_OBJECT_FLAG_READONLY = (1<<0),
54 GST_MINI_OBJECT_FLAG_STATIC = (1<<1),
55 GST_MINI_OBJECT_FLAG_LAST = (1<<4)
59 struct _GstMiniObject {
60 GTypeInstance instance;
64 gpointer _gst_reserved[GST_PADDING];
67 struct _GstMiniObjectClass {
68 GTypeClass type_class;
70 GstMiniObjectCopyFunction copy;
71 GstMiniObjectFinalizeFunction finalize;
73 gpointer _gst_reserved[GST_PADDING];
76 GType gst_mini_object_get_type (void);
78 GstMiniObject * gst_mini_object_new (GType type);
79 GstMiniObject * gst_mini_object_copy (const GstMiniObject *mini_object);
80 gboolean gst_mini_object_is_writable (const GstMiniObject *mini_object);
81 GstMiniObject * gst_mini_object_make_writable (const GstMiniObject *mini_object);
83 GstMiniObject * gst_mini_object_ref (GstMiniObject *mini_object);
84 void gst_mini_object_unref (GstMiniObject *mini_object);
86 void gst_mini_object_replace (GstMiniObject **olddata, GstMiniObject *newdata);
88 GParamSpec * gst_param_spec_mini_object (const char *name, const char *nick,
89 const char *blurb, GType object_type, GParamFlags flags);
91 void gst_value_set_mini_object (GValue *value, GstMiniObject *mini_object);
92 void gst_value_take_mini_object (GValue *value, GstMiniObject *mini_object);
93 GstMiniObject * gst_value_get_mini_object (const GValue *value);