text: /* GStreamer
   * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
   *
   * gsttagsetter.h: Interfaces for tagging
   *
   * 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_TAG_SETTER_H__
  #define __GST_TAG_SETTER_H__
  
  #include <gst/gst.h>
  
  G_BEGIN_DECLS
  
  #define GST_TYPE_TAG_SETTER		(gst_tag_setter_get_type ())
  #define GST_TAG_SETTER(obj)		(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TAG_SETTER, GstTagSetter))
  #define GST_IS_TAG_SETTER(obj)		(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TAG_SETTER))
  #define GST_TAG_SETTER_GET_IFACE(obj)	(G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_TAG_SETTER, GstTagSetterIFace))
  
  /**
   * GstTagSetter:
   *
   * Opaque #GstTagSetter data structure.
   */
  typedef struct _GstTagSetter			GstTagSetter; /* Dummy typedef */
  typedef struct _GstTagSetterIFace		GstTagSetterIFace;
  
  /**
   * GstTagSetterIFace:
   * @g_iface: parent interface type.
   *
   * #GstTagSetterIFace interface.
   */
  /* use an empty interface here to allow detection of elements using user-set
     tags */
  struct _GstTagSetterIFace
  {
    GTypeInterface g_iface;
  
    /* signals */
  
    /* virtual table */
  };
  
  GType		gst_tag_setter_get_type		    (void);
  
  void		gst_tag_setter_reset_tags             (GstTagSetter * setter);
  
  void		gst_tag_setter_merge_tags	    (GstTagSetter *	setter,
  						     const GstTagList *	list,
  						     GstTagMergeMode	mode);
  void		gst_tag_setter_add_tags		    (GstTagSetter *	setter,
  						     GstTagMergeMode	mode,
  						     const gchar *	tag,
  						     ...) G_GNUC_NULL_TERMINATED;
  
  void		gst_tag_setter_add_tag_values	    (GstTagSetter *	setter,
  						     GstTagMergeMode	mode,
  						     const gchar *	tag,
  						     ...) G_GNUC_NULL_TERMINATED;
  
  void            gst_tag_setter_add_tag_valist  	    (GstTagSetter *	setter,
  						     GstTagMergeMode	mode,
  						     const gchar *	tag,
  						     va_list		var_args);
  
  void            gst_tag_setter_add_tag_valist_values(GstTagSetter *	setter,
  						     GstTagMergeMode	mode,
  						     const gchar *	tag,
  						     va_list		var_args);
  
  void		gst_tag_setter_add_tag_value	    (GstTagSetter *	setter,
  						     GstTagMergeMode	mode,
  						     const gchar *	tag,
  						     const GValue *     value);
  
  const GstTagList *
  		gst_tag_setter_get_tag_list	     (GstTagSetter *	setter);
  
  void		gst_tag_setter_set_tag_merge_mode    (GstTagSetter *	setter,
  						      GstTagMergeMode	mode);
  GstTagMergeMode	gst_tag_setter_get_tag_merge_mode    (GstTagSetter *	setter);
  
  G_END_DECLS
  
  #endif /* __GST_TAG_SETTER_H__ */
  