gst/gsttagsetter.h

   1 /* GStreamer
   2  * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
   3  *
   4  * gsttagsetter.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  */
  21
  22 #ifndef __GST_TAG_SETTER_H__
  23 #define __GST_TAG_SETTER_H__
  24
  25 #include <gst/gst.h>
  26
  27 G_BEGIN_DECLS
  28
  29 #define GST_TYPE_TAG_SETTER             (gst_tag_setter_get_type ())
  30 #define GST_TAG_SETTER(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TAG_SETTER, GstTagSetter))
  31 #define GST_TAG_SETTER_CLASS(obj)       (G_TYPE_CHECK_CLASS_CAST ((obj), GST_TYPE_TAG_SETTER, GstTagSetter))
  32 #define GST_IS_TAG_SETTER(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TAG_SETTER))
  33 #define GST_TAG_SETTER_GET_IFACE(obj)   (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_TAG_SETTER, GstTagSetterIFace))
  34
  35 typedef struct _GstTagSetter                    GstTagSetter; /* Dummy typedef */
  36 typedef struct _GstTagSetterIFace               GstTagSetterIFace;
  37
  38 /* use an empty interface here to allow detection of elements using user-set
  39    tags */
  40 struct _GstTagSetterIFace
  41 {
  42   GTypeInterface g_iface;
  43
  44   /* signals */
  45
  46   /* virtual table */
  47 };
  48
  49 GType           gst_tag_setter_get_type             (void);
  50
  51 void            gst_tag_setter_merge_tags           (GstTagSetter *     setter,
  52                                                      const GstTagList * list,
  53                                                      GstTagMergeMode    mode);
  54 void            gst_tag_setter_add_tags             (GstTagSetter *     setter,
  55                                                      GstTagMergeMode    mode,
  56                                                      const gchar *      tag,
  57                                                      ...) G_GNUC_NULL_TERMINATED;
  58
  59 void            gst_tag_setter_add_tag_values       (GstTagSetter *     setter,
  60                                                      GstTagMergeMode    mode,
  61                                                      const gchar *      tag,
  62                                                      ...) G_GNUC_NULL_TERMINATED;
  63
  64 void            gst_tag_setter_add_tag_valist       (GstTagSetter *     setter,
  65                                                      GstTagMergeMode    mode,
  66                                                      const gchar *      tag,
  67                                                      va_list            var_args);
  68
  69 void            gst_tag_setter_add_tag_valist_values(GstTagSetter *     setter,
  70                                                      GstTagMergeMode    mode,
  71                                                      const gchar *      tag,
  72                                                      va_list            var_args);
  73
  74 G_CONST_RETURN GstTagList *
  75                 gst_tag_setter_get_tag_list          (GstTagSetter *    setter);
  76
  77 void            gst_tag_setter_set_tag_merge_mode    (GstTagSetter *    setter,
  78                                                       GstTagMergeMode   mode);
  79 GstTagMergeMode gst_tag_setter_get_tag_merge_mode    (GstTagSetter *    setter);
  80
  81 G_END_DECLS
  82
  83 #endif /* __GST_TAG_SETTER_H__ */