1 /* GStreamer
2 * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
3 *
4 * gsttaginterface.h: Interfaces for tagging
5 *
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.
10 *
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.
15 *
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.
20 */
22 #ifndef __GST_TAG_INTERFACE_H__
23 #define __GST_TAG_INTERFACE_H__
25 #include <gst/gst.h>
27 G_BEGIN_DECLS
28 #define GST_TYPE_TAG_SETTER (gst_tag_setter_get_type ())
29 #define GST_TAG_SETTER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TAG_SETTER, GstTagSetter))
30 #define GST_TAG_SETTER_CLASS(obj) (G_TYPE_CHECK_CLASS_CAST ((obj), GST_TYPE_TAG_SETTER, GstTagSetter))
31 #define GST_IS_TAG_SETTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TAG_SETTER))
32 #define GST_TAG_SETTER_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_TAG_SETTER, GstTagSetterIFace))
33 typedef struct _GstTagSetter GstTagSetter; /* Dummy typedef */
34 typedef struct _GstTagSetterIFace GstTagSetterIFace;
36 /* use an empty interface here to allow detection of elements using user-set
37 tags */
38 struct _GstTagSetterIFace
39 {
40 GTypeInterface g_iface;
42 /* signals */
44 /* virtual table */
45 };
47 GType
48 gst_tag_setter_get_type (void)
49 G_GNUC_CONST;
51 void gst_tag_setter_merge (GstTagSetter * setter,
52 const GstTagList * list, GstTagMergeMode mode);
53 void gst_tag_setter_add (GstTagSetter * setter,
54 GstTagMergeMode mode, const gchar * tag, ...);
56 void gst_tag_setter_add_values (GstTagSetter * setter,
57 GstTagMergeMode mode, const gchar * tag, ...);
59 void gst_tag_setter_add_valist (GstTagSetter * setter,
60 GstTagMergeMode mode, const gchar * tag, va_list var_args);
62 void gst_tag_setter_add_valist_values (GstTagSetter * setter,
63 GstTagMergeMode mode, const gchar * tag, va_list var_args);
65 G_CONST_RETURN GstTagList *gst_tag_setter_get_list (GstTagSetter * setter);
67 void gst_tag_setter_set_merge_mode (GstTagSetter * setter,
68 GstTagMergeMode mode);
69 GstTagMergeMode gst_tag_setter_get_merge_mode (GstTagSetter * setter);
71 G_END_DECLS
72 #endif /* __GST_TAG_INTERFACE_H__ */