From 1fd361a1ea06e44286c213ca1f814f49306fdc43 Mon Sep 17 00:00:00 2001 From: giraffedata Date: Sat, 19 Aug 2006 03:12:28 +0000 Subject: Create Subversion repository git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1 9d0c8265-081b-0410-96cb-a4ca84ce46f8 --- converter/other/jpeg2000/libjasper/jpc/jpc_t2enc.c | 704 +++++++++++++++++++++ 1 file changed, 704 insertions(+) create mode 100644 converter/other/jpeg2000/libjasper/jpc/jpc_t2enc.c (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_t2enc.c') diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_t2enc.c b/converter/other/jpeg2000/libjasper/jpc/jpc_t2enc.c new file mode 100644 index 00000000..1444dc7b --- /dev/null +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_t2enc.c @@ -0,0 +1,704 @@ +/* + * 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__ + */ + +/* + * Tier 2 Encoder + * + * $Id$ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include +#include +#include + +#include "jasper/jas_fix.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" +#include "jasper/jas_debug.h" + +#include "jpc_flt.h" +#include "jpc_t2enc.h" +#include "jpc_t2cod.h" +#include "jpc_tagtree.h" +#include "jpc_enc.h" +#include "jpc_math.h" + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +static int jpc_putcommacode(jpc_bitstream_t *out, int n) +{ + assert(n >= 0); + + while (--n >= 0) { + if (jpc_bitstream_putbit(out, 1) == EOF) { + return -1; + } + } + if (jpc_bitstream_putbit(out, 0) == EOF) { + return -1; + } + return 0; +} + +static int jpc_putnumnewpasses(jpc_bitstream_t *out, int n) +{ + int ret; + + if (n <= 0) { + return -1; + } else if (n == 1) { + ret = jpc_bitstream_putbit(out, 0); + } else if (n == 2) { + ret = jpc_bitstream_putbits(out, 2, 2); + } else if (n <= 5) { + ret = jpc_bitstream_putbits(out, 4, 0xc | (n - 3)); + } else if (n <= 36) { + ret = jpc_bitstream_putbits(out, 9, 0x1e0 | (n - 6)); + } else if (n <= 164) { + ret = jpc_bitstream_putbits(out, 16, 0xff80 | (n - 37)); + } else { + /* The standard has no provision for encoding a larger value. + In practice, however, it is highly unlikely that this + limitation will ever be encountered. */ + return -1; + } + + return (ret != EOF) ? 0 : (-1); +} + +int jpc_enc_encpkts(jpc_enc_t *enc, jas_stream_t *out) +{ + jpc_enc_tile_t *tile; + jpc_pi_t *pi; + + tile = enc->curtile; + + jpc_init_t2state(enc, 0); + pi = tile->pi; + jpc_pi_init(pi); + + if (!jpc_pi_next(pi)) { + for (;;) { + if (jpc_enc_encpkt(enc, out, jpc_pi_cmptno(pi), jpc_pi_rlvlno(pi), + jpc_pi_prcno(pi), jpc_pi_lyrno(pi))) { + return -1; + } + if (jpc_pi_next(pi)) { + break; + } + } + } + + return 0; +} + +int jpc_enc_encpkt(jpc_enc_t *enc, jas_stream_t *out, int compno, int lvlno, int prcno, int lyrno) +{ + jpc_enc_tcmpt_t *comp; + jpc_enc_rlvl_t *lvl; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_bitstream_t *outb; + jpc_enc_pass_t *pass; + jpc_enc_pass_t *startpass; + jpc_enc_pass_t *lastpass; + jpc_enc_pass_t *endpass; + jpc_enc_pass_t *endpasses; + int i; + int included; + int ret; + jpc_tagtreenode_t *leaf; + int n; + int t1; + int t2; + int adjust; + int maxadjust; + int datalen; + int numnewpasses; + int passcount; + jpc_enc_tile_t *tile; + jpc_enc_prc_t *prc; + jpc_enc_cp_t *cp; + jpc_ms_t *ms; + + tile = enc->curtile; + cp = enc->cp; + + if (cp->tcp.csty & JPC_COD_SOP) { + if (!(ms = jpc_ms_create(JPC_MS_SOP))) { + return -1; + } + ms->parms.sop.seqno = jpc_pi_getind(tile->pi); + if (jpc_putms(out, enc->cstate, ms)) { + return -1; + } + jpc_ms_destroy(ms); + } + + outb = jpc_bitstream_sopen(out, "w+"); + assert(outb); + + if (jpc_bitstream_putbit(outb, 1) == EOF) { + return -1; + } + JAS_DBGLOG(10, ("\n")); + JAS_DBGLOG(10, ("present. ")); + + comp = &tile->tcmpts[compno]; + lvl = &comp->rlvls[lvlno]; + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + prc = &band->prcs[prcno]; + if (!prc->cblks) { + continue; + } + + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + if (!lyrno) { + leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); + jpc_tagtree_setvalue(prc->nlibtree, leaf, cblk->numimsbs); + } + pass = cblk->curpass; + included = (pass && pass->lyrno == lyrno); + if (included && (!cblk->numencpasses)) { + assert(pass->lyrno == lyrno); + leaf = jpc_tagtree_getleaf(prc->incltree, + cblk - prc->cblks); + jpc_tagtree_setvalue(prc->incltree, leaf, pass->lyrno); + } + } + + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + pass = cblk->curpass; + included = (pass && pass->lyrno == lyrno); + if (!cblk->numencpasses) { + leaf = jpc_tagtree_getleaf(prc->incltree, + cblk - prc->cblks); + if (jpc_tagtree_encode(prc->incltree, leaf, lyrno + + 1, outb) < 0) { + return -1; + } + } else { + if (jpc_bitstream_putbit(outb, included) == EOF) { + return -1; + } + } + JAS_DBGLOG(10, ("included=%d ", included)); + if (!included) { + continue; + } + if (!cblk->numencpasses) { + i = 1; + leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); + for (;;) { + if ((ret = jpc_tagtree_encode(prc->nlibtree, leaf, i, outb)) < 0) { + return -1; + } + if (ret) { + break; + } + ++i; + } + assert(leaf->known_ && i == leaf->value_ + 1); + } + + endpasses = &cblk->passes[cblk->numpasses]; + startpass = pass; + endpass = startpass; + while (endpass != endpasses && endpass->lyrno == lyrno){ + ++endpass; + } + numnewpasses = endpass - startpass; + if (jpc_putnumnewpasses(outb, numnewpasses)) { + return -1; + } + JAS_DBGLOG(10, ("numnewpasses=%d ", numnewpasses)); + + lastpass = endpass - 1; + n = startpass->start; + passcount = 1; + maxadjust = 0; + for (pass = startpass; pass != endpass; ++pass) { + if (pass->term || pass == lastpass) { + datalen = pass->end - n; + t1 = jpc_firstone(datalen) + 1; + t2 = cblk->numlenbits + jpc_floorlog2(passcount); + adjust = JAS_MAX(t1 - t2, 0); + maxadjust = JAS_MAX(adjust, maxadjust); + n += datalen; + passcount = 1; + } else { + ++passcount; + } + } + if (jpc_putcommacode(outb, maxadjust)) { + return -1; + } + cblk->numlenbits += maxadjust; + + lastpass = endpass - 1; + n = startpass->start; + passcount = 1; + for (pass = startpass; pass != endpass; ++pass) { + if (pass->term || pass == lastpass) { + datalen = pass->end - n; +assert(jpc_firstone(datalen) < cblk->numlenbits + jpc_floorlog2(passcount)); + if (jpc_bitstream_putbits(outb, cblk->numlenbits + jpc_floorlog2(passcount), datalen) == EOF) { + return -1; + } + n += datalen; + passcount = 1; + } else { + ++passcount; + } + } + } + } + + jpc_bitstream_outalign(outb, 0); + jpc_bitstream_close(outb); + + if (cp->tcp.csty & JPC_COD_EPH) { + if (!(ms = jpc_ms_create(JPC_MS_EPH))) { + return -1; + } + jpc_putms(out, enc->cstate, ms); + jpc_ms_destroy(ms); + } + + comp = &tile->tcmpts[compno]; + lvl = &comp->rlvls[lvlno]; + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + prc = &band->prcs[prcno]; + if (!prc->cblks) { + continue; + } + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + pass = cblk->curpass; + + if (!pass) { + continue; + } + if (pass->lyrno != lyrno) { + assert(pass->lyrno < 0 || pass->lyrno > lyrno); + continue; + } + + endpasses = &cblk->passes[cblk->numpasses]; + startpass = pass; + endpass = startpass; + while (endpass != endpasses && endpass->lyrno == lyrno){ + ++endpass; + } + lastpass = endpass - 1; + numnewpasses = endpass - startpass; + + jas_stream_seek(cblk->stream, startpass->start, SEEK_SET); + assert(jas_stream_tell(cblk->stream) == startpass->start); + if (jas_stream_copy(out, cblk->stream, lastpass->end - startpass->start)) { + return -1; + } + cblk->curpass = (endpass != endpasses) ? endpass : 0; + cblk->numencpasses += numnewpasses; + + } + } + + return 0; +} + +void jpc_save_t2state(jpc_enc_t *enc) +{ +/* stream pos in embedded T1 stream may be wrong since not saved/restored! */ + + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_enc_tile_t *tile; + uint_fast32_t prcno; + jpc_enc_prc_t *prc; + + tile = enc->curtile; + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + jpc_tagtree_copy(prc->savincltree, prc->incltree); + jpc_tagtree_copy(prc->savnlibtree, prc->nlibtree); + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + cblk->savedcurpass = cblk->curpass; + cblk->savednumencpasses = cblk->numencpasses; + cblk->savednumlenbits = cblk->numlenbits; + } + } + } + } + } + +} + +void jpc_restore_t2state(jpc_enc_t *enc) +{ + + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_enc_tile_t *tile; + uint_fast32_t prcno; + jpc_enc_prc_t *prc; + + tile = enc->curtile; + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + jpc_tagtree_copy(prc->incltree, prc->savincltree); + jpc_tagtree_copy(prc->nlibtree, prc->savnlibtree); + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + cblk->curpass = cblk->savedcurpass; + cblk->numencpasses = cblk->savednumencpasses; + cblk->numlenbits = cblk->savednumlenbits; + } + } + } + } + } +} + +void jpc_init_t2state(jpc_enc_t *enc, int raflag) +{ +/* It is assumed that band->numbps and cblk->numbps precomputed */ + + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_enc_pass_t *pass; + jpc_enc_pass_t *endpasses; + jpc_tagtreenode_t *leaf; + jpc_enc_tile_t *tile; + uint_fast32_t prcno; + jpc_enc_prc_t *prc; + + tile = enc->curtile; + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + jpc_tagtree_reset(prc->incltree); + jpc_tagtree_reset(prc->nlibtree); + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + if (jas_stream_rewind(cblk->stream)) { + assert(0); + } + cblk->curpass = (cblk->numpasses > 0) ? cblk->passes : 0; + cblk->numencpasses = 0; + cblk->numlenbits = 3; + cblk->numimsbs = band->numbps - cblk->numbps; + assert(cblk->numimsbs >= 0); + leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); + jpc_tagtree_setvalue(prc->nlibtree, leaf, cblk->numimsbs); + + if (raflag) { + endpasses = &cblk->passes[cblk->numpasses]; + for (pass = cblk->passes; pass != endpasses; ++pass) { + pass->lyrno = -1; + pass->lyrno = 0; + } + } + } + } + } + } + } + +} + +jpc_pi_t *jpc_enc_pi_create(jpc_enc_cp_t *cp, jpc_enc_tile_t *tile) +{ + jpc_pi_t *pi; + int compno; + jpc_picomp_t *picomp; + jpc_pirlvl_t *pirlvl; + jpc_enc_tcmpt_t *tcomp; + int rlvlno; + jpc_enc_rlvl_t *rlvl; + int prcno; + int *prclyrno; + + if (!(pi = jpc_pi_create0())) { + return 0; + } + pi->pktno = -1; + pi->numcomps = cp->numcmpts; + if (!(pi->picomps = jas_malloc(pi->numcomps * sizeof(jpc_picomp_t)))) { + jpc_pi_destroy(pi); + return 0; + } + for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; ++compno, + ++picomp) { + picomp->pirlvls = 0; + } + + for (compno = 0, tcomp = tile->tcmpts, picomp = pi->picomps; + compno < pi->numcomps; ++compno, ++tcomp, ++picomp) { + picomp->numrlvls = tcomp->numrlvls; + if (!(picomp->pirlvls = jas_malloc(picomp->numrlvls * + sizeof(jpc_pirlvl_t)))) { + jpc_pi_destroy(pi); + return 0; + } + for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < + picomp->numrlvls; ++rlvlno, ++pirlvl) { + pirlvl->prclyrnos = 0; + } + for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; + rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { +/* XXX sizeof(long) should be sizeof different type */ + pirlvl->numprcs = rlvl->numprcs; + if (rlvl->numprcs) { + if (!(pirlvl->prclyrnos = jas_malloc(pirlvl->numprcs * + sizeof(long)))) { + jpc_pi_destroy(pi); + return 0; + } + } else { + pirlvl->prclyrnos = 0; + } + } + } + + pi->maxrlvls = 0; + for (compno = 0, tcomp = tile->tcmpts, picomp = pi->picomps; + compno < pi->numcomps; ++compno, ++tcomp, ++picomp) { + picomp->hsamp = cp->ccps[compno].sampgrdstepx; + picomp->vsamp = cp->ccps[compno].sampgrdstepy; + for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; + rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { + pirlvl->prcwidthexpn = rlvl->prcwidthexpn; + pirlvl->prcheightexpn = rlvl->prcheightexpn; + for (prcno = 0, prclyrno = pirlvl->prclyrnos; + prcno < pirlvl->numprcs; ++prcno, ++prclyrno) { + *prclyrno = 0; + } + pirlvl->numhprcs = rlvl->numhprcs; + } + if (pi->maxrlvls < tcomp->numrlvls) { + pi->maxrlvls = tcomp->numrlvls; + } + } + + pi->numlyrs = tile->numlyrs; + pi->xstart = tile->tlx; + pi->ystart = tile->tly; + pi->xend = tile->brx; + pi->yend = tile->bry; + + pi->picomp = 0; + pi->pirlvl = 0; + pi->x = 0; + pi->y = 0; + pi->compno = 0; + pi->rlvlno = 0; + pi->prcno = 0; + pi->lyrno = 0; + pi->xstep = 0; + pi->ystep = 0; + + pi->pchgno = -1; + + pi->defaultpchg.prgord = tile->prg; + pi->defaultpchg.compnostart = 0; + pi->defaultpchg.compnoend = pi->numcomps; + pi->defaultpchg.rlvlnostart = 0; + pi->defaultpchg.rlvlnoend = pi->maxrlvls; + pi->defaultpchg.lyrnoend = pi->numlyrs; + pi->pchg = 0; + + pi->valid = 0; + + return pi; +} -- cgit 1.4.1