/* * Copyright (c) 1999-2000 Image Power, Inc. and the University of * British Columbia. * Copyright (c) 2001-2002 Michael David Adams. * All rights reserved. */ /* __START_OF_JASPER_LICENSE__ * * JasPer License Version 2.0 * * Copyright (c) 1999-2000 Image Power, Inc. * Copyright (c) 1999-2000 The University of British Columbia * Copyright (c) 2001-2003 Michael David Adams * * All rights reserved. * * Permission is hereby granted, free of charge, to any person (the * "User") obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, and/or sell copies of the Software, and to permit * persons to whom the Software is furnished to do so, subject to the * following conditions: * * 1. The above copyright notices and this permission notice (which * includes the disclaimer below) shall be included in all copies or * substantial portions of the Software. * * 2. The name of a copyright holder shall not be used to endorse or * promote products derived from the Software without specific prior * written permission. * * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. * * __END_OF_JASPER_LICENSE__ */ /* * Quadrature Mirror-Image Filter Bank (QMFB) Routines * * $Id: jpc_qmfb.h,v 1.1 2005/05/22 18:33:05 malaterre Exp $ */ #ifndef JPC_QMFB_H #define JPC_QMFB_H /******************************************************************************\ * Includes. \******************************************************************************/ #include "jasper/jas_seq.h" /******************************************************************************\ * Constants. \******************************************************************************/ /* The maximum number of channels for a QMF bank. */ #define JPC_QMFB1D_MAXCHANS 2 /* Select reversible integer-to-integer mode. */ #define JPC_QMFB1D_RITIMODE 1 /* Vertical filtering. */ #define JPC_QMFB1D_VERT 0x10000 /* QMFB IDs. */ #define JPC_QMFB1D_FT 1 /* 5/3 */ #define JPC_QMFB1D_NS 2 /* 9/7 */ /******************************************************************************\ * Types. \******************************************************************************/ /* Forward declaration. */ struct jpc_qmfb1dops_s; /* Band information. */ typedef struct { /* The starting index for the band in the downsampled domain. */ int start; /* The ending index for the band in the downsampled domain. */ int end; /* The location of the start of the band. */ int locstart; /* The location of the end of the band. */ int locend; } jpc_qmfb1dband_t; /* QMF bank */ typedef struct { /* The operations for this QMFB. */ struct jpc_qmfb1dops_s *ops; } jpc_qmfb1d_t; /* QMFB operations. */ typedef struct jpc_qmfb1dops_s { /* The number of channels in the QMFB. */ int (*getnumchans)(jpc_qmfb1d_t *qmfb); /* Get the analysis filters for this QMFB. */ int (*getanalfilters)(jpc_qmfb1d_t *qmfb, int len, jas_seq2d_t **filters); /* Get the synthesis filters for this QMFB. */ int (*getsynfilters)(jpc_qmfb1d_t *qmfb, int len, jas_seq2d_t **filters); /* Do analysis. */ void (*analyze)(jpc_qmfb1d_t *qmfb, int flags, jas_seq2d_t *x); /* Do synthesis. */ void (*synthesize)(jpc_qmfb1d_t *qmfb, int flags, jas_seq2d_t *x); } jpc_qmfb1dops_t; /******************************************************************************\ * Functions. \******************************************************************************/ /* Create a QMFB from a QMFB ID. */ jpc_qmfb1d_t *jpc_qmfb1d_make(int qmfbid); /* Create a copy of a QMFB. */ jpc_qmfb1d_t *jpc_qmfb1d_copy(jpc_qmfb1d_t *qmfb); /* Destroy a QMFB. */ void jpc_qmfb1d_destroy(jpc_qmfb1d_t *qmfb); /* Get the number of channels for a QMFB. */ int jpc_qmfb1d_getnumchans(jpc_qmfb1d_t *qmfb); /* Get the analysis filters for a QMFB. */ int jpc_qmfb1d_getanalfilters(jpc_qmfb1d_t *qmfb, int len, jas_seq2d_t **filters); /* Get the synthesis filters for a QMFB. */ int jpc_qmfb1d_getsynfilters(jpc_qmfb1d_t *qmfb, int len, jas_seq2d_t **filters); /* Get the bands for a QMFB. */ void jpc_qmfb1d_getbands(jpc_qmfb1d_t *qmfb, int flags, uint_fast32_t xstart, uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend, int maxbands, int *numbandsptr, jpc_qmfb1dband_t *bands); /* Perform analysis. */ void jpc_qmfb1d_analyze(jpc_qmfb1d_t *qmfb, int flags, jas_seq2d_t *x); /* Perform synthesis. */ void jpc_qmfb1d_synthesize(jpc_qmfb1d_t *qmfb, int flags, jas_seq2d_t *x); #endif