gstreamer/plugins/elements/gstbufferstore.h

/* GStreamer
 * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
 *
 * gsttypefind.h: keep an easily accessible list of all buffers
 *
 * 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_BUFFER_STORE_H__
#define __GST_BUFFER_STORE_H__

#include <gst/gstbuffer.h>
#include <gst/gstinfo.h>
#include <gst/gstmarshal.h>

G_BEGIN_DECLS
#define GST_TYPE_BUFFER_STORE		(gst_buffer_store_get_type ())
#define GST_BUFFER_STORE(obj) 		(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_BUFFER_STORE, GstBufferStore))
#define GST_IS_BUFFER_STORE(obj) 		(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_BUFFER_STORE))
#define GST_BUFFER_STORE_CLASS(klass) 	(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_BUFFER_STORE, GstBufferStoreClass))
#define GST_IS_BUFFER_STORE_CLASS(klass) 	(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_BUFFER_STORE))
#define GST_BUFFER_STORE_GET_CLASS(obj) 	(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BUFFER_STORE, GstBufferStoreClass))
typedef struct _GstBufferStore GstBufferStore;
typedef struct _GstBufferStoreClass GstBufferStoreClass;

struct _GstBufferStore
{
  GObject object;

  GList *buffers;
};

struct _GstBufferStoreClass
{
  GObjectClass parent_class;

  /* signals */
  void (*cleared) (GstBufferStore * store);
    gboolean (*buffer_added) (GstBufferStore * store, GstBuffer * buffer);
};

GType gst_buffer_store_get_type (void);

GstBufferStore *gst_buffer_store_new (void);
void gst_buffer_store_clear (GstBufferStore * store);

gboolean gst_buffer_store_add_buffer (GstBufferStore * store,
    GstBuffer * buffer);

GstBuffer *gst_buffer_store_get_buffer (GstBufferStore * store,
    guint64 offset, guint size);
guint gst_buffer_store_get_size (GstBufferStore * store, guint64 offset);

G_END_DECLS
#endif /* __GST_BUFFER_STORE_H__ */