jpc_qmfb.h

/*
 * Copyright (c) 1999-2000 Image Power, Inc. and the University of
 *   British Columbia.
 * Copyright (c) 2001-2004 Michael David Adams.
 * All rights reserved.
 */

/* __START_OF_JASPER_LICENSE__
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/*
 * Quadrature Mirror-Image Filter Bank (QMFB) Routines
 *
 * $Id: jpc_qmfb.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $
 */

#ifndef JPC_QMFB_H
#define JPC_QMFB_H

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

#include "jasper/jas_seq.h"

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

/* QMFB IDs. */
#define	JPC_QMFB1D_FT	1	/* 5/3 */
#define	JPC_QMFB1D_NS	2	/* 9/7 */

/******************************************************************************\
* Types.
\******************************************************************************/

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

#if !defined(JPC_QMFB_COLGRPSIZE)
/* The number of columns to group together during the vertical processing
stage of the wavelet transform. */
/* The default value for this parameter is probably not optimal for
any particular platform.  Hopefully, it is not too unreasonable, however. */
#define JPC_QMFB_COLGRPSIZE	16
#endif

typedef struct {
    int (*analyze)(int *, int, int, int, int, int);
    int (*synthesize)(int *, int, int, int, int, int);
    double *lpenergywts;
    double *hpenergywts;
} jpc_qmfb2d_t;

extern jpc_qmfb2d_t jpc_ft_qmfb2d;
extern jpc_qmfb2d_t jpc_ns_qmfb2d;

#endif