text: /* GStreamer tag muxer base class
   * Copyright (C) 2006 Christophe Fergeau  <teuf@gnome.org>
   * Copyright (C) 2006,2011 Tim-Philipp Müller <tim centricular net>
   * Copyright (C) 2009 Pioneers of the Inevitable <songbird@songbirdnest.com>
   *
   * 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., 51 Franklin St, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  
  #ifndef GST_TAG_MUX_H
  #define GST_TAG_MUX_H
  
  #include <gst/gst.h>
  
  G_BEGIN_DECLS
  
  #define GST_TYPE_TAG_MUX \
    (gst_tag_mux_get_type())
  #define GST_TAG_MUX(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAG_MUX,GstTagMux))
  #define GST_TAG_MUX_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAG_MUX,GstTagMuxClass))
  #define GST_IS_TAG_MUX(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAG_MUX))
  #define GST_IS_TAG_MUX_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAG_MUX))
  
  typedef struct _GstTagMux GstTagMux;
  typedef struct _GstTagMuxClass GstTagMuxClass;
  typedef struct _GstTagMuxPrivate GstTagMuxPrivate;
  
  /**
   * GstTagMux:
   * @element: parent element
   *
   * Opaque #GstTagMux structure.
   */
  struct _GstTagMux {
    GstElement    element;
  
    /*< private >*/
    GstTagMuxPrivate *priv;
  
    gpointer _gst_reserved[GST_PADDING];
  };
  
  /**
   * GstTagMuxClass:
   * @parent_class: the parent class.
   * @render_start_tag: create a tag buffer to add to the beginning of the
   *     input stream given a tag list, or NULL
   * @render_end_tag: create a tag buffer to add to the end of the
   *     input stream given a tag list, or NULL
   *
   * The #GstTagMuxClass structure. Subclasses need to override at least one
   * of the two render vfuncs.
   */
  struct _GstTagMuxClass {
    GstElementClass parent_class;
  
    /* vfuncs */
    GstBuffer  * (*render_start_tag) (GstTagMux * mux, const GstTagList * tag_list);
    GstBuffer  * (*render_end_tag)   (GstTagMux * mux, const GstTagList * tag_list);
  
    /*< private >*/
    gpointer _gst_reserved[GST_PADDING];
  };
  
  GType gst_tag_mux_get_type (void);
  
  #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
  G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstTagMux, gst_object_unref)
  #endif
  
  G_END_DECLS
  
  #endif
  