/* * 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 Software License * * IMAGE POWER JPEG-2000 PUBLIC LICENSE * ************************************ * * GRANT: * * Permission is hereby granted, free of charge, to any person (the "User") * obtaining a copy of this software and associated documentation, to deal * in the JasPer Software without restriction, including without limitation * the right to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the JasPer Software (in source and binary forms), * and to permit persons to whom the JasPer Software is furnished to do so, * provided further that the License Conditions below are met. * * License Conditions * ****************** * * A. Redistributions of source code must retain the above copyright notice, * and this list of conditions, and the following disclaimer. * * B. Redistributions in binary form must reproduce the above copyright * notice, and this list of conditions, and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * C. Neither the name of Image Power, Inc. nor any other contributor * (including, but not limited to, the University of British Columbia and * Michael David Adams) may be used to endorse or promote products derived * from this software without specific prior written permission. * * D. User agrees that it shall not commence any action against Image Power, * Inc., the University of British Columbia, Michael David Adams, or any * other contributors (collectively "Licensors") for infringement of any * intellectual property rights ("IPR") held by the User in respect of any * technology that User owns or has a right to license or sublicense and * which is an element required in order to claim compliance with ISO/IEC * 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property * rights worldwide arising under statutory or common law, and whether * or not perfected, including, without limitation, all (i) patents and * patent applications owned or licensable by User; (ii) rights associated * with works of authorship including copyrights, copyright applications, * copyright registrations, mask work rights, mask work applications, * mask work registrations; (iii) rights relating to the protection of * trade secrets and confidential information; (iv) any right analogous * to those set forth in subsections (i), (ii), or (iii) and any other * proprietary rights relating to intangible property (other than trademark, * trade dress, or service mark rights); and (v) divisions, continuations, * renewals, reissues and extensions of the foregoing (as and to the extent * applicable) now existing, hereafter filed, issued or acquired. * * E. If User commences an infringement action against any Licensor(s) then * such Licensor(s) shall have the right to terminate User's license and * all sublicenses that have been granted hereunder by User to other parties. * * F. This software is for use only in hardware or software products that * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license * or right to this Software is granted for products that do not comply * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased * from the ISO. * * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND * CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, * WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE, * IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING * TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE * OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING * PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS. * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE * IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE * IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY * OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY * OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING, * REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, * WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE * INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC., * MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE * JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO * THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR * CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, * DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR * MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF * SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY * OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT * FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR * RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING * FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT * LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE * JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY * TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE * ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS * OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT * KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE * NOTICE SPECIFIED IN THIS SECTION. * * __END_OF_JASPER_LICENSE__ */ /* * Quadrature Mirror-Image Filter Bank (QMFB) Routines * * $Id$ */ #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