gstreamer/gst/gstmemchunk.h

/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
 *
 * 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_MEM_CHUNK_H__
#define __GST_MEM_CHUNK_H__

#include <glib.h>
#include <gst/gstatomic.h>

G_BEGIN_DECLS

typedef struct _GstMemChunk GstMemChunk;
typedef struct _GstMemChunkElement GstMemChunkElement;

struct _GstMemChunkElement
{
  GstMemChunkElement *link;		/* next cell in the lifo */
  GstMemChunkElement *area;
};

struct _GstMemChunk
{
  GstAtomicSwap	 swap;

  gchar 	*name;
  gulong 	 area_size;
  gulong 	 chunk_size;
  gulong 	 atom_size;
  gboolean 	 cleanup;
  GMutex	*lock;
};

GstMemChunk*	gst_mem_chunk_new 	(gchar *name,
					 gint atom_size,
					 gulong area_size,
					 gint type);

void 		gst_mem_chunk_destroy 	(GstMemChunk *mem_chunk);

gpointer 	gst_mem_chunk_alloc 	(GstMemChunk *mem_chunk);
gpointer 	gst_mem_chunk_alloc0 	(GstMemChunk *mem_chunk);
void	 	gst_mem_chunk_free 	(GstMemChunk *mem_chunk,
					 gpointer mem);

G_END_DECLS

#endif /* __GST_MEM_CHUNK_H__ */