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diff --git a/converter/other/fiasco/codec/domain-pool.h b/converter/other/fiasco/codec/domain-pool.h
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+/*
+ *  domain-pool.h
+ *
+ *  Written by:		Ullrich Hafner
+ *		
+ *  This file is part of FIASCO («F»ractal «I»mage «A»nd «S»equence «CO»dec)
+ *  Copyright (C) 1994-2000 Ullrich Hafner <hafner@bigfoot.de>
+ */
+
+/*
+ *  $Date: 2000/06/14 20:50:51 $
+ *  $Author: hafner $
+ *  $Revision: 5.1 $
+ *  $State: Exp $
+ */
+
+#ifndef _DOMAIN_POOL_H
+#define _DOMAIN_POOL_H
+
+#include "cwfa.h"
+#include "types.h"
+
+typedef struct domain_pool
+{
+   void	  *model;			/* probability model */
+   word_t *(*generate) (unsigned level, int y_state, const wfa_t *wfa,
+			const void  *model);
+   /*
+    *  Generate set of domain images which may be used for an approximation.
+    *  Use parameters 'level', 'y_state' and 'wfa' to make the decision.
+    */
+   real_t (*bits) (const word_t *domains, const word_t *used_domains,
+		   unsigned level, int y_state, const wfa_t *wfa,
+		   const void *model);
+   /*
+    *  Compute bit-rate of a range approximation with domains given by
+    *  the -1 terminated list 'used_domains'.
+    */
+   void	  (*update) (const word_t *domains, const word_t *used_domains,
+		     unsigned level, int y_state, const wfa_t *wfa,
+		     void *model);
+   /*
+    *  Update the probability model according to the chosen approximation.
+    *  (given by the -1 terminated list 'used_domains').
+    */
+   bool_t (*append) (unsigned state, unsigned level, const wfa_t *wfa,
+		     void *model);
+   /*
+    *  Try to append a new state to the domain pool.
+    */
+   void	  (*chroma) (unsigned max_domains, const wfa_t *wfa, void *model);
+   /*
+    *  Derive a new domain pool that will be used for chroma channel
+    *  coding 
+    */
+   void   (*free) (struct domain_pool *pool);
+   /*
+    *  Discard the given domain pool struct.
+    */
+   void   (*model_free)	(void *model);
+   /*
+    *  Free given probability model.
+    */
+   void   *(*model_duplicate) (const void *src);
+   /*
+    *  Duplicate the given probability model (i.e. alloc and copy).
+    */
+} domain_pool_t;
+
+domain_pool_t *
+alloc_domain_pool (const char *domain_pool_name, unsigned max_domains,
+		   unsigned max_edges, const wfa_t *wfa);
+
+#endif /* not _DOMAIN_POOL_H */
+