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/*
* domain-pool.h
*
* Written by: Ullrich Hafner
*
* This file is part of FIASCO (Fractal Image And Sequence COdec)
* Copyright (C) 1994-2000 Ullrich Hafner
*/
/*
* $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 */
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