jpc_mct.h

/*
 * Copyright (c) 1999-2000 Image Power, Inc. and the University of
 *   British Columbia.
 * Copyright (c) 2001-2002 Michael David Adams.
 * All rights reserved.
 */

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/*
 * Multicomponent Transform Code
 *
 * $Id: jpc_mct.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $
 */

#ifndef JPC_MCT_H
#define JPC_MCT_H

/******************************************************************************\
* Includes.
\******************************************************************************/

#include "jasper/jas_seq.h"
#include "jasper/jas_fix.h"

/******************************************************************************\
* Constants.
\******************************************************************************/

/*
 * Multicomponent transform IDs.
 */

#define JPC_MCT_NONE	0
#define JPC_MCT_ICT		1
#define JPC_MCT_RCT		2

/******************************************************************************\
* Functions.
\******************************************************************************/

/* Calculate the forward RCT. */
void jpc_rct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2);

/* Calculate the inverse RCT. */
void jpc_irct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2);

/* Calculate the forward ICT. */
void jpc_ict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2);

/* Calculate the inverse ICT. */
void jpc_iict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2);

/* Get the synthesis weight associated with a particular component. */
jpc_fix_t jpc_mct_getsynweight(int mctid, int cmptno);

#endif