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diff --git a/src/xine-utils/ring_buffer.h b/src/xine-utils/ring_buffer.h
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+/*
+ * Copyright (C) 2000-2006 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * $Id: ring_buffer.h,v 1.1 2006/01/27 07:55:18 tmattern Exp $
+ *
+ * Fifo + Ring Buffer
+ */
+typedef struct xine_ring_buffer_s xine_ring_buffer_t;
+
+/* Creates a new ring buffer */
+xine_ring_buffer_t *xine_ring_buffer_new(size_t size);
+
+/* Deletes a ring buffer */
+void xine_ring_buffer_delete(xine_ring_buffer_t *ring_buffer);
+
+/* Returns a new chunk of the specified size */
+/* Might block if the ring buffer is full */
+void *xine_ring_buffer_alloc(xine_ring_buffer_t *ring_buffer, size_t size);
+
+/* Put a chunk into the ring */
+void xine_ring_buffer_put(xine_ring_buffer_t *ring_buffer, void *chunk);
+
+/* Get a chunk of a specified size from the ring buffer */
+/* Might block if the ring buffer is empty */
+void *xine_ring_buffer_get(xine_ring_buffer_t *ring_buffer, size_t size);
+
+/* Release the chunk, makes memory available for the alloc function */
+void xine_ring_buffer_release(xine_ring_buffer_t *ring_buffer, void *chunk);
+