9bb8decbcf
Former-commit-id:133dc97f67[formerlya02aeb236c] [formerly9f19e3f712] [formerly06a8b51d6d[formerly9f19e3f712[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]]] Former-commit-id:06a8b51d6dFormer-commit-id:377dcd10b9[formerly3360eb6c5f] Former-commit-id:8e80217e59
742 lines
20 KiB
C
742 lines
20 KiB
C
/*
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of
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* British Columbia.
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* Copyright (c) 2001-2002 Michael David Adams.
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* All rights reserved.
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*/
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/* __START_OF_JASPER_LICENSE__
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*
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* JasPer Software License
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*
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* IMAGE POWER JPEG-2000 PUBLIC LICENSE
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* ************************************
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*
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* GRANT:
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*
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* Permission is hereby granted, free of charge, to any person (the "User")
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* obtaining a copy of this software and associated documentation, to deal
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* in the JasPer Software without restriction, including without limitation
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* the right to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the JasPer Software (in source and binary forms),
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* and to permit persons to whom the JasPer Software is furnished to do so,
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* provided further that the License Conditions below are met.
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*
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* License Conditions
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* ******************
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*
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* A. Redistributions of source code must retain the above copyright notice,
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* and this list of conditions, and the following disclaimer.
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*
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* B. Redistributions in binary form must reproduce the above copyright
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* notice, and this list of conditions, and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* C. Neither the name of Image Power, Inc. nor any other contributor
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* (including, but not limited to, the University of British Columbia and
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* Michael David Adams) may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* D. User agrees that it shall not commence any action against Image Power,
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* Inc., the University of British Columbia, Michael David Adams, or any
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* other contributors (collectively "Licensors") for infringement of any
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* intellectual property rights ("IPR") held by the User in respect of any
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* technology that User owns or has a right to license or sublicense and
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* which is an element required in order to claim compliance with ISO/IEC
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* 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property
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* rights worldwide arising under statutory or common law, and whether
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* or not perfected, including, without limitation, all (i) patents and
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* patent applications owned or licensable by User; (ii) rights associated
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* with works of authorship including copyrights, copyright applications,
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* copyright registrations, mask work rights, mask work applications,
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* mask work registrations; (iii) rights relating to the protection of
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* trade secrets and confidential information; (iv) any right analogous
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* to those set forth in subsections (i), (ii), or (iii) and any other
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* proprietary rights relating to intangible property (other than trademark,
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* trade dress, or service mark rights); and (v) divisions, continuations,
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* renewals, reissues and extensions of the foregoing (as and to the extent
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* applicable) now existing, hereafter filed, issued or acquired.
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*
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* E. If User commences an infringement action against any Licensor(s) then
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* such Licensor(s) shall have the right to terminate User's license and
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* all sublicenses that have been granted hereunder by User to other parties.
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*
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* F. The JPEG-2000 codec implementation included in the JasPer software
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* is for use only in hardware or software products that are compliant
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* with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license or right to
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* this codec implementation is granted for products that do not comply
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* with ISO/IEC 15444-1.
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*
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
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* NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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* THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND
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* CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY
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* OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
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* WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE,
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* IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING
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* TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE
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* OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING
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* PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS.
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* THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE
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* IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE
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* IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY
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* OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY
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* OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING,
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* REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY,
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* WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE
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* INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC.,
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* MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE
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* JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO
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* THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
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* CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION,
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* DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR
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* MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF
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* SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY
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* OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT
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* FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR
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* RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING
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* FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES,
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT
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* LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
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* JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY
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* TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE
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* ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS
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* OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
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*
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*
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* __END_OF_JASPER_LICENSE__
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*/
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/*
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* JPEG-2000 Decoder
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*
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* $Id$
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*/
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#ifndef JPC_DEC_H
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#define JPC_DEC_H
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include "jasper_inc/jas_stream.h"
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#include "jpc_inc/jpc_tsfb.h"
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#include "jpc_inc/jpc_bs.h"
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#include "jpc_inc/jpc_tagtree.h"
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#include "jpc_inc/jpc_cs.h"
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#include "jpc_inc/jpc_cod.h"
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#include "jpc_inc/jpc_mqdec.h"
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#include "jpc_inc/jpc_t2cod.h"
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/******************************************************************************\
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* Below are some ugly warts necessary to support packed packet headers.
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\******************************************************************************/
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/* PPM/PPT marker segment table entry. */
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typedef struct {
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/* The index for this entry. */
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uint_fast16_t ind;
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/* The data length. */
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uint_fast32_t len;
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/* The data. */
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uchar *data;
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} jpc_ppxstabent_t;
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/* PPM/PPT marker segment table. */
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typedef struct {
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/* The number of entries. */
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int numents;
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/* The maximum number of entries (i.e., the allocated size of the array
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below). */
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int maxents;
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/* The table entries. */
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jpc_ppxstabent_t **ents;
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} jpc_ppxstab_t;
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/* Stream list class. */
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typedef struct {
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/* The number of streams in this list. */
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int numstreams;
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/* The maximum number of streams that can be accomodated without
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growing the streams array. */
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int maxstreams;
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/* The streams. */
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jas_stream_t **streams;
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} jpc_streamlist_t;
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/******************************************************************************\
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* Coding parameters class.
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\******************************************************************************/
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/* Per-component coding parameters. */
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typedef struct {
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/* How were various coding parameters set? */
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int flags;
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/* Per-component coding style parameters (e.g., explicit precinct sizes) */
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uint_fast8_t csty;
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/* The number of resolution levels. */
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uint_fast8_t numrlvls;
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/* The code block width exponent. */
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uint_fast8_t cblkwidthexpn;
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/* The code block height exponent. */
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uint_fast8_t cblkheightexpn;
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/* The QMFB ID. */
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uint_fast8_t qmfbid;
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/* The quantization style. */
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uint_fast8_t qsty;
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/* The number of quantizer step sizes. */
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uint_fast16_t numstepsizes;
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/* The step sizes. */
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uint_fast16_t stepsizes[3 * JPC_MAXRLVLS + 1];
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/* The number of guard bits. */
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uint_fast8_t numguardbits;
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/* The ROI shift value. */
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uint_fast8_t roishift;
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/* The code block parameters. */
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uint_fast8_t cblkctx;
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/* The precinct width exponents. */
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uint_fast8_t prcwidthexpns[JPC_MAXRLVLS];
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/* The precinct height exponents. */
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uint_fast8_t prcheightexpns[JPC_MAXRLVLS];
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} jpc_dec_ccp_t;
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/* Coding paramters. */
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typedef struct {
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/* How were these coding parameters set? */
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int flags;
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/* Progression change list. */
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jpc_pchglist_t *pchglist;
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/* Progression order. */
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uint_fast8_t prgord;
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/* The number of layers. */
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uint_fast16_t numlyrs;
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/* The MCT ID. */
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uint_fast8_t mctid;
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/* The coding style parameters (e.g., SOP, EPH). */
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uint_fast8_t csty;
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/* The number of components. */
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int numcomps;
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/* The per-component coding parameters. */
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jpc_dec_ccp_t *ccps;
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} jpc_dec_cp_t;
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/******************************************************************************\
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* Decoder class.
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\******************************************************************************/
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/* Decoder per-segment state information. */
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typedef struct jpc_dec_seg_s {
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/* The next segment in the list. */
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struct jpc_dec_seg_s *next;
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/* The previous segment in the list. */
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struct jpc_dec_seg_s *prev;
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/* The starting pass number for this segment. */
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int passno;
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/* The number of passes in this segment. */
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int numpasses;
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/* The maximum number of passes in this segment. */
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int maxpasses;
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/* The type of data in this segment (i.e., MQ or raw). */
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int type;
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/* A stream containing the data for this segment. */
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jas_stream_t *stream;
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/* The number of bytes destined for this segment from the packet
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currently being decoded. */
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int cnt;
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/* A flag indicating if this segment has been terminated. */
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int complete;
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/* The layer number to which this segment belongs. */
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/* If the segment spans multiple layers, then the largest layer number
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spanned by the segment is used. */
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int lyrno;
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} jpc_dec_seg_t;
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/* Decoder segment list. */
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typedef struct {
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/* The first entry in the list. */
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jpc_dec_seg_t *head;
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/* The last entry in the list. */
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jpc_dec_seg_t *tail;
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} jpc_dec_seglist_t;
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/* Decoder per-code-block state information. */
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typedef struct {
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/* The number of passes. */
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int numpasses;
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/* A list of segments that still need to be decoded. */
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jpc_dec_seglist_t segs;
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/* The first incomplete/partial segment. */
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jpc_dec_seg_t *curseg;
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/* The number of leading insignificant bit planes for this code block. */
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int numimsbs;
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/* The number of bits used to encode pass data lengths. */
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int numlenbits;
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/* The first pass number containing data for this code block. */
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int firstpassno;
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/* The MQ decoder. */
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jpc_mqdec_t *mqdec;
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/* The raw bit stream decoder. */
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jpc_bitstream_t *nulldec;
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/* The per-sample state information for this code block. */
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jas_matrix_t *flags;
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/* The sample data associated with this code block. */
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jas_matrix_t *data;
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} jpc_dec_cblk_t;
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/* Decoder per-code-block-group state information. */
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typedef struct {
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/* The x-coordinate of the top-left corner of the precinct. */
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uint_fast32_t xstart;
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/* The y-coordinate of the top-left corner of the precinct. */
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uint_fast32_t ystart;
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/* The x-coordinate of the bottom-right corner of the precinct
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(plus one). */
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uint_fast32_t xend;
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/* The y-coordinate of the bottom-right corner of the precinct
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(plus one). */
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uint_fast32_t yend;
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/* The number of code blocks spanning this precinct in the horizontal
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direction. */
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int numhcblks;
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/* The number of code blocks spanning this precinct in the vertical
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direction. */
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int numvcblks;
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/* The total number of code blocks in this precinct. */
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int numcblks;
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/* The per code block information. */
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jpc_dec_cblk_t *cblks;
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/* The inclusion tag tree. */
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jpc_tagtree_t *incltagtree;
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/* The insignificant MSBs tag tree. */
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jpc_tagtree_t *numimsbstagtree;
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} jpc_dec_prc_t;
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/* Decoder per-band state information. */
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typedef struct {
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/* The per-code-block-group state information. */
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jpc_dec_prc_t *prcs;
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/* The sample data associated with this band. */
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jas_matrix_t *data;
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/* The orientation of this band (i.e., LL, LH, HL, or HH). */
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int orient;
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/* The encoded quantizer step size. */
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int stepsize;
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/* The absolute quantizer step size. */
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jpc_fix_t absstepsize;
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/* The number of bit planes for this band. */
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int numbps;
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/* The analysis gain associated with this band. */
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int analgain;
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/* The ROI shift value for this band. */
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int roishift;
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} jpc_dec_band_t;
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/* Decoder per-resolution-level state information. */
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typedef struct {
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/* The number of bands associated with this resolution level. */
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int numbands;
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/* The per-band information. */
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jpc_dec_band_t *bands;
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/* The x-coordinate of the top-left corner of the tile-component
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at this resolution. */
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uint_fast32_t xstart;
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/* The y-coordinate of the top-left corner of the tile-component
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at this resolution. */
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uint_fast32_t ystart;
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/* The x-coordinate of the bottom-right corner of the tile-component
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at this resolution (plus one). */
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uint_fast32_t xend;
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/* The y-coordinate of the bottom-right corner of the tile-component
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at this resolution (plus one). */
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uint_fast32_t yend;
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/* The exponent value for the nominal precinct width measured
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relative to the associated LL band. */
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int prcwidthexpn;
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/* The exponent value for the nominal precinct height measured
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relative to the associated LL band. */
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int prcheightexpn;
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/* The number of precincts in the horizontal direction. */
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int numhprcs;
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/* The number of precincts in the vertical direction. */
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int numvprcs;
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/* The total number of precincts. */
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int numprcs;
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/* The exponent value for the nominal code block group width.
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This quantity is associated with the next lower resolution level
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(assuming that there is one). */
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int cbgwidthexpn;
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/* The exponent value for the nominal code block group height
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This quantity is associated with the next lower resolution level
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(assuming that there is one). */
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int cbgheightexpn;
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/* The exponent value for the code block width. */
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uint_fast16_t cblkwidthexpn;
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/* The exponent value for the code block height. */
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uint_fast16_t cblkheightexpn;
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} jpc_dec_rlvl_t;
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/* Decoder per-tile-component state information. */
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typedef struct {
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/* The x-coordinate of the top-left corner of the tile-component
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in the coordinate system of the tile-component. */
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uint_fast32_t xstart;
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/* The y-coordinate of the top-left corner of the tile-component
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in the coordinate system of the tile-component. */
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uint_fast32_t ystart;
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/* The x-coordinate of the bottom-right corner of the tile-component
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in the coordinate system of the tile-component (plus one). */
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uint_fast32_t xend;
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/* The y-coordinate of the bottom-right corner of the tile-component
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in the coordinate system of the tile-component (plus one). */
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uint_fast32_t yend;
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/* The component data for the current tile. */
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jas_matrix_t *data;
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/* The number of resolution levels. */
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int numrlvls;
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/* The per resolution level information. */
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jpc_dec_rlvl_t *rlvls;
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/* The TSFB. */
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jpc_tsfb_t *tsfb;
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} jpc_dec_tcomp_t;
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/*
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* Tile states.
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*/
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#define JPC_TILE_INIT 0
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#define JPC_TILE_ACTIVE 1
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#define JPC_TILE_ACTIVELAST 2
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#define JPC_TILE_DONE 3
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/* Decoder per-tile state information. */
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typedef struct {
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/* The processing state for this tile. */
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int state;
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/* The x-coordinate of the top-left corner of the tile on the reference
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grid. */
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uint_fast32_t xstart;
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/* The y-coordinate of the top-left corner of the tile on the reference
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grid. */
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uint_fast32_t ystart;
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/* The x-coordinate of the bottom-right corner of the tile on the
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reference grid (plus one). */
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uint_fast32_t xend;
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/* The y-coordinate of the bottom-right corner of the tile on the
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reference grid (plus one). */
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uint_fast32_t yend;
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/* The packed packet header data for this tile. */
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jpc_ppxstab_t *pptstab;
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/* A stream containing the packed packet header data for this tile. */
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jas_stream_t *pkthdrstream;
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/* The current position within the packed packet header stream. */
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long pkthdrstreampos;
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/* The coding parameters for this tile. */
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jpc_dec_cp_t *cp;
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/* The per tile-component information. */
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jpc_dec_tcomp_t *tcomps;
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/* The next expected tile-part number. */
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int partno;
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/* The number of tile-parts. */
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int numparts;
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/* The coding mode. */
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int realmode;
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/* The packet iterator for this tile. */
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jpc_pi_t *pi;
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} jpc_dec_tile_t;
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/* Decoder per-component state information. */
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typedef struct {
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/* The horizontal sampling period. */
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uint_fast32_t hstep;
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/* The vertical sampling period. */
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uint_fast32_t vstep;
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/* The number of samples in the horizontal direction. */
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uint_fast32_t width;
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/* The number of samples in the vertical direction. */
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uint_fast32_t height;
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/* The precision of the sample data. */
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uint_fast16_t prec;
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/* The signedness of the sample data. */
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bool sgnd;
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/* The sample alignment horizontal offset. */
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uint_fast32_t hsubstep;
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/* The sample alignment vertical offset. */
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uint_fast32_t vsubstep;
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} jpc_dec_cmpt_t;
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/* Decoder state information. */
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typedef struct {
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/* The decoded image. */
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jas_image_t *image;
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/* The x-coordinate of the top-left corner of the image area on
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the reference grid. */
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uint_fast32_t xstart;
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/* The y-coordinate of the top-left corner of the image area on
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the reference grid. */
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uint_fast32_t ystart;
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/* The x-coordinate of the bottom-right corner of the image area on
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the reference grid (plus one). */
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uint_fast32_t xend;
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/* The y-coordinate of the bottom-right corner of the image area on
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the reference grid (plus one). */
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uint_fast32_t yend;
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/* The nominal tile width in units of the image reference grid. */
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uint_fast32_t tilewidth;
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/* The nominal tile height in units of the image reference grid. */
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uint_fast32_t tileheight;
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/* The horizontal offset from the origin of the reference grid to the
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left side of the first tile. */
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uint_fast32_t tilexoff;
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/* The vertical offset from the origin of the reference grid to the
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top side of the first tile. */
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uint_fast32_t tileyoff;
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/* The number of tiles spanning the image area in the vertical
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direction. */
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int numhtiles;
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/* The number of tiles spanning the image area in the horizontal
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direction. */
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int numvtiles;
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/* The total number of tiles. */
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int numtiles;
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/* The per-tile information. */
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jpc_dec_tile_t *tiles;
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/* The tile currently being processed. */
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jpc_dec_tile_t *curtile;
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/* The number of components. */
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int numcomps;
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/* The stream containing the input JPEG-2000 code stream data. */
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jas_stream_t *in;
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/* The default coding parameters for all tiles. */
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jpc_dec_cp_t *cp;
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/* The maximum number of layers that may be decoded. */
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int maxlyrs;
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/* The maximum number of packets that may be decoded. */
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int maxpkts;
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/* The number of packets decoded so far in the processing of the entire
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code stream. */
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int numpkts;
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/* The next expected PPM marker segment sequence number. */
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int ppmseqno;
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/* The current state for code stream processing. */
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int state;
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/* The per-component information. */
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jpc_dec_cmpt_t *cmpts;
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/* The information from PPM marker segments. */
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jpc_ppxstab_t *ppmstab;
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/* A list of streams containing packet header data from PPM marker
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segments. */
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jpc_streamlist_t *pkthdrstreams;
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/* The expected ending offset for a tile-part. */
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long curtileendoff;
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/* This is required by the tier-2 decoder. */
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jpc_cstate_t *cstate;
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} jpc_dec_t;
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/* Decoder options. */
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typedef struct {
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/* The debug level for the decoder. */
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int debug;
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/* The maximum number of layers to decode. */
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int maxlyrs;
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/* The maximum number of packets to decode. */
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int maxpkts;
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} jpc_dec_importopts_t;
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/******************************************************************************\
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* Functions.
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\******************************************************************************/
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/* Create a decoder segment object. */
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jpc_dec_seg_t *jpc_seg_alloc(void);
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/* Destroy a decoder segment object. */
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void jpc_seg_destroy(jpc_dec_seg_t *seg);
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/* Remove a segment from a segment list. */
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void jpc_seglist_remove(jpc_dec_seglist_t *list, jpc_dec_seg_t *node);
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/* Insert a segment into a segment list. */
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void jpc_seglist_insert(jpc_dec_seglist_t *list, jpc_dec_seg_t *ins,
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jpc_dec_seg_t *node);
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#endif
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