diff options
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_tsfb.c')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_tsfb.c | 662 |
1 files changed, 662 insertions, 0 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_tsfb.c b/converter/other/jpeg2000/libjasper/jpc/jpc_tsfb.c new file mode 100644 index 00000000..f7d66b57 --- /dev/null +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_tsfb.c @@ -0,0 +1,662 @@ +/* + * 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__ + */ + +/* + * Tree-Structured Filter Bank (TSFB) Library + * + * $Id$ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> + +#include "jasper/jas_malloc.h" +#include "jasper/jas_seq.h" + +#include "jpc_tsfb.h" +#include "jpc_cod.h" +#include "jpc_cs.h" +#include "jpc_util.h" + +/******************************************************************************\ +* +\******************************************************************************/ + +#define bandnotovind(tsfbnode, x) ((x) / (tsfbnode)->numhchans) +#define bandnotohind(tsfbnode, x) ((x) % (tsfbnode)->numhchans) + +static jpc_tsfb_t *jpc_tsfb_create(void); +static jpc_tsfbnode_t *jpc_tsfbnode_create(void); +static void jpc_tsfbnode_destroy(jpc_tsfbnode_t *node); +static void jpc_tsfbnode_synthesize(jpc_tsfbnode_t *node, int flags, jas_seq2d_t *x); +static void jpc_tsfbnode_analyze(jpc_tsfbnode_t *node, int flags, jas_seq2d_t *x); +static void qmfb2d_getbands(jpc_qmfb1d_t *hqmfb, jpc_qmfb1d_t *vqmfb, + uint_fast32_t xstart, uint_fast32_t ystart, uint_fast32_t xend, + uint_fast32_t yend, int maxbands, int *numbandsptr, jpc_tsfbnodeband_t *bands); +static void jpc_tsfbnode_getbandstree(jpc_tsfbnode_t *node, uint_fast32_t posxstart, + uint_fast32_t posystart, uint_fast32_t xstart, uint_fast32_t ystart, + uint_fast32_t xend, uint_fast32_t yend, jpc_tsfb_band_t **bands); +static int jpc_tsfbnode_findchild(jpc_tsfbnode_t *parnode, jpc_tsfbnode_t *cldnode); +static int jpc_tsfbnode_getequivfilters(jpc_tsfbnode_t *tsfbnode, int cldind, + int width, int height, jas_seq_t **vfilter, jas_seq_t **hfilter); + +/******************************************************************************\ +* +\******************************************************************************/ + +jpc_tsfb_t *jpc_tsfb_wavelet(jpc_qmfb1d_t *hqmfb, jpc_qmfb1d_t *vqmfb, int numdlvls) +{ + jpc_tsfb_t *tsfb; + int dlvlno; + jpc_tsfbnode_t *curnode; + jpc_tsfbnode_t *prevnode; + int childno; + if (!(tsfb = jpc_tsfb_create())) { + return 0; + } + prevnode = 0; + for (dlvlno = 0; dlvlno < numdlvls; ++dlvlno) { + if (!(curnode = jpc_tsfbnode_create())) { + jpc_tsfb_destroy(tsfb); + return 0; + } + if (prevnode) { + prevnode->children[0] = curnode; + ++prevnode->numchildren; + curnode->parent = prevnode; + } else { + tsfb->root = curnode; + curnode->parent = 0; + } + if (hqmfb) { + curnode->numhchans = jpc_qmfb1d_getnumchans(hqmfb); + if (!(curnode->hqmfb = jpc_qmfb1d_copy(hqmfb))) { + jpc_tsfb_destroy(tsfb); + return 0; + } + } else { + curnode->hqmfb = 0; + curnode->numhchans = 1; + } + if (vqmfb) { + curnode->numvchans = jpc_qmfb1d_getnumchans(vqmfb); + if (!(curnode->vqmfb = jpc_qmfb1d_copy(vqmfb))) { + jpc_tsfb_destroy(tsfb); + return 0; + } + } else { + curnode->vqmfb = 0; + curnode->numvchans = 1; + } + curnode->maxchildren = curnode->numhchans * curnode->numvchans; + for (childno = 0; childno < curnode->maxchildren; + ++childno) { + curnode->children[childno] = 0; + } + prevnode = curnode; + } + return tsfb; +} + +static jpc_tsfb_t *jpc_tsfb_create() +{ + jpc_tsfb_t *tsfb; + if (!(tsfb = jas_malloc(sizeof(jpc_tsfb_t)))) { + return 0; + } + tsfb->root = 0; + return tsfb; +} + +void jpc_tsfb_destroy(jpc_tsfb_t *tsfb) +{ + if (tsfb->root) { + jpc_tsfbnode_destroy(tsfb->root); + } + jas_free(tsfb); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +void jpc_tsfb_analyze(jpc_tsfb_t *tsfb, int flags, jas_seq2d_t *x) +{ + if (tsfb->root) { + jpc_tsfbnode_analyze(tsfb->root, flags, x); + } +} + +static void jpc_tsfbnode_analyze(jpc_tsfbnode_t *node, int flags, jas_seq2d_t *x) +{ + jpc_tsfbnodeband_t nodebands[JPC_TSFB_MAXBANDSPERNODE]; + int numbands; + jas_seq2d_t *y; + int bandno; + jpc_tsfbnodeband_t *band; + + if (node->vqmfb) { + jpc_qmfb1d_analyze(node->vqmfb, flags | JPC_QMFB1D_VERT, x); + } + if (node->hqmfb) { + jpc_qmfb1d_analyze(node->hqmfb, flags, x); + } + if (node->numchildren > 0) { + qmfb2d_getbands(node->hqmfb, node->vqmfb, jas_seq2d_xstart(x), + jas_seq2d_ystart(x), jas_seq2d_xend(x), jas_seq2d_yend(x), + JPC_TSFB_MAXBANDSPERNODE, &numbands, nodebands); + y = jas_seq2d_create(0, 0, 0, 0); + assert(y); + for (bandno = 0, band = nodebands; bandno < numbands; ++bandno, ++band) { + if (node->children[bandno]) { + if (band->xstart != band->xend && band->ystart != band->yend) { + jas_seq2d_bindsub(y, x, band->locxstart, band->locystart, + band->locxend, band->locyend); + jas_seq2d_setshift(y, band->xstart, band->ystart); + jpc_tsfbnode_analyze(node->children[bandno], flags, y); + } + } + } + jas_matrix_destroy(y); + } +} + +void jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, int flags, jas_seq2d_t *x) +{ + if (tsfb->root) { + jpc_tsfbnode_synthesize(tsfb->root, flags, x); + } +} + +static void jpc_tsfbnode_synthesize(jpc_tsfbnode_t *node, int flags, jas_seq2d_t *x) +{ + jpc_tsfbnodeband_t nodebands[JPC_TSFB_MAXBANDSPERNODE]; + int numbands; + jas_seq2d_t *y; + int bandno; + jpc_tsfbnodeband_t *band; + + if (node->numchildren > 0) { + qmfb2d_getbands(node->hqmfb, node->vqmfb, jas_seq2d_xstart(x), + jas_seq2d_ystart(x), jas_seq2d_xend(x), jas_seq2d_yend(x), + JPC_TSFB_MAXBANDSPERNODE, &numbands, nodebands); + y = jas_seq2d_create(0, 0, 0, 0); + for (bandno = 0, band = nodebands; bandno < numbands; ++bandno, ++band) { + if (node->children[bandno]) { + if (band->xstart != band->xend && band->ystart != band->yend) { + jas_seq2d_bindsub(y, x, band->locxstart, band->locystart, + band->locxend, band->locyend); + jas_seq2d_setshift(y, band->xstart, band->ystart); + jpc_tsfbnode_synthesize(node->children[bandno], flags, y); + } + } + } + jas_seq2d_destroy(y); + } + if (node->hqmfb) { + jpc_qmfb1d_synthesize(node->hqmfb, flags, x); + } + if (node->vqmfb) { + jpc_qmfb1d_synthesize(node->vqmfb, flags | JPC_QMFB1D_VERT, x); + } +} + +/******************************************************************************\ +* +\******************************************************************************/ + + +int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart, uint_fast32_t ystart, + uint_fast32_t xend, uint_fast32_t yend, jpc_tsfb_band_t *bands) +{ + jpc_tsfb_band_t *savbands; + savbands = bands; + if (!tsfb->root) { + bands[0].xstart = xstart; + bands[0].ystart = ystart; + bands[0].xend = xend; + bands[0].yend = yend; + bands[0].locxstart = xstart; + bands[0].locystart = ystart; + bands[0].locxend = xend; + bands[0].locyend = yend; + bands[0].orient = JPC_TSFB_LL; + bands[0].synenergywt = JPC_FIX_ONE; + ++bands; + } else { + jpc_tsfbnode_getbandstree(tsfb->root, xstart, ystart, + xstart, ystart, xend, yend, &bands); + } + return bands - savbands; +} + +static void jpc_tsfbnode_getbandstree(jpc_tsfbnode_t *node, uint_fast32_t posxstart, + uint_fast32_t posystart, uint_fast32_t xstart, uint_fast32_t ystart, + uint_fast32_t xend, uint_fast32_t yend, jpc_tsfb_band_t **bands) +{ + jpc_tsfbnodeband_t nodebands[JPC_TSFB_MAXBANDSPERNODE]; + jpc_tsfbnodeband_t *nodeband; + int nodebandno; + int numnodebands; + jpc_tsfb_band_t *band; + jas_seq_t *hfilter; + jas_seq_t *vfilter; + + qmfb2d_getbands(node->hqmfb, node->vqmfb, xstart, ystart, xend, yend, + JPC_TSFB_MAXBANDSPERNODE, &numnodebands, nodebands); + if (node->numchildren > 0) { + for (nodebandno = 0, nodeband = nodebands; + nodebandno < numnodebands; ++nodebandno, ++nodeband) { + if (node->children[nodebandno]) { + jpc_tsfbnode_getbandstree(node->children[ + nodebandno], posxstart + + nodeband->locxstart - xstart, posystart + + nodeband->locystart - ystart, nodeband->xstart, + nodeband->ystart, nodeband->xend, + nodeband->yend, bands); + + } + } + } +assert(numnodebands == 4 || numnodebands == 3); + for (nodebandno = 0, nodeband = nodebands; nodebandno < numnodebands; + ++nodebandno, ++nodeband) { + if (!node->children[nodebandno]) { + band = *bands; + band->xstart = nodeband->xstart; + band->ystart = nodeband->ystart; + band->xend = nodeband->xend; + band->yend = nodeband->yend; + band->locxstart = posxstart + nodeband->locxstart - + xstart; + band->locystart = posystart + nodeband->locystart - + ystart; + band->locxend = band->locxstart + band->xend - + band->xstart; + band->locyend = band->locystart + band->yend - + band->ystart; + if (numnodebands == 4) { + switch (nodebandno) { + case 0: + band->orient = JPC_TSFB_LL; + break; + case 1: + band->orient = JPC_TSFB_HL; + break; + case 2: + band->orient = JPC_TSFB_LH; + break; + case 3: + band->orient = JPC_TSFB_HH; + break; + default: + abort(); + break; + } + } else { + switch (nodebandno) { + case 0: + band->orient = JPC_TSFB_HL; + break; + case 1: + band->orient = JPC_TSFB_LH; + break; + case 2: + band->orient = JPC_TSFB_HH; + break; + default: + abort(); + break; + } + } + jpc_tsfbnode_getequivfilters(node, nodebandno, band->xend - band->xstart, band->yend - band->ystart, &hfilter, &vfilter); + band->synenergywt = jpc_fix_mul(jpc_seq_norm(hfilter), + jpc_seq_norm(vfilter)); + jas_seq_destroy(hfilter); + jas_seq_destroy(vfilter); + ++(*bands); + } + } +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static jpc_tsfbnode_t *jpc_tsfbnode_create() +{ + jpc_tsfbnode_t *node; + if (!(node = jas_malloc(sizeof(jpc_tsfbnode_t)))) { + return 0; + } + node->numhchans = 0; + node->numvchans = 0; + node->numchildren = 0; + node->maxchildren = 0; + node->hqmfb = 0; + node->vqmfb = 0; + node->parent = 0; + return node; +} + +static void jpc_tsfbnode_destroy(jpc_tsfbnode_t *node) +{ + jpc_tsfbnode_t **child; + int childno; + for (childno = 0, child = node->children; childno < node->maxchildren; + ++childno, ++child) { + if (*child) { + jpc_tsfbnode_destroy(*child); + } + } + if (node->hqmfb) { + jpc_qmfb1d_destroy(node->hqmfb); + } + if (node->vqmfb) { + jpc_qmfb1d_destroy(node->vqmfb); + } + jas_free(node); +} + + + + + + + + +static void qmfb2d_getbands(jpc_qmfb1d_t *hqmfb, jpc_qmfb1d_t *vqmfb, + uint_fast32_t xstart, uint_fast32_t ystart, uint_fast32_t xend, + uint_fast32_t yend, int maxbands, int *numbandsptr, jpc_tsfbnodeband_t *bands) +{ + jpc_qmfb1dband_t hbands[JPC_QMFB1D_MAXCHANS]; + jpc_qmfb1dband_t vbands[JPC_QMFB1D_MAXCHANS]; + int numhbands; + int numvbands; + int numbands; + int bandno; + int hbandno; + int vbandno; + jpc_tsfbnodeband_t *band; + + if (hqmfb) { + jpc_qmfb1d_getbands(hqmfb, 0, xstart, ystart, xend, yend, + JPC_QMFB1D_MAXCHANS, &numhbands, hbands); + } else { + numhbands = 1; + hbands[0].start = xstart; + hbands[0].end = xend; + hbands[0].locstart = xstart; + hbands[0].locend = xend; + } + if (vqmfb) { + jpc_qmfb1d_getbands(vqmfb, JPC_QMFB1D_VERT, xstart, ystart, xend, + yend, JPC_QMFB1D_MAXCHANS, &numvbands, vbands); + } else { + numvbands = 1; + vbands[0].start = ystart; + vbands[0].end = yend; + vbands[0].locstart = ystart; + vbands[0].locend = yend; + } + numbands = numhbands * numvbands; + *numbandsptr = numbands; + for (bandno = 0, band = bands; bandno < numbands; ++bandno, ++band) { + hbandno = bandno % numhbands; + vbandno = bandno / numhbands; + band->xstart = hbands[hbandno].start; + band->ystart = vbands[vbandno].start; + band->xend = hbands[hbandno].end; + band->yend = vbands[vbandno].end; + band->locxstart = hbands[hbandno].locstart; + band->locystart = vbands[vbandno].locstart; + band->locxend = hbands[hbandno].locend; + band->locyend = vbands[vbandno].locend; + assert(band->xstart <= band->xend && + band->ystart <= band->yend); + if (band->xstart == band->xend) { + band->yend = band->ystart; + band->locyend = band->locystart; + } else if (band->ystart == band->yend) { + band->xend = band->xstart; + band->locxend = band->locxstart; + } + } +} + +static int jpc_tsfbnode_getequivfilters(jpc_tsfbnode_t *tsfbnode, int cldind, + int width, int height, jas_seq_t **hfilter, jas_seq_t **vfilter) +{ + jas_seq_t *hseq; + jas_seq_t *vseq; + jpc_tsfbnode_t *node; + jas_seq2d_t *hfilters[JPC_QMFB1D_MAXCHANS]; + jas_seq2d_t *vfilters[JPC_QMFB1D_MAXCHANS]; + int numhchans; + int numvchans; + jas_seq_t *tmpseq; + + hseq = 0; + vseq = 0; + + if (!(hseq = jas_seq_create(0, 1))) { + goto error; + } + jas_seq_set(hseq, 0, jpc_inttofix(1)); + if (!(vseq = jas_seq_create(0, 1))) { + goto error; + } + jas_seq_set(vseq, 0, jpc_inttofix(1)); + + node = tsfbnode; + while (node) { + if (node->hqmfb) { + numhchans = jpc_qmfb1d_getnumchans(node->hqmfb); + if (jpc_qmfb1d_getsynfilters(node->hqmfb, width, hfilters)) { + goto error; + } + if (!(tmpseq = jpc_seq_upsample(hseq, numhchans))) { + goto error; + } + jas_seq_destroy(hseq); + hseq = tmpseq; + if (!(tmpseq = jpc_seq_conv(hseq, hfilters[bandnotohind(node, cldind)]))) { + goto error; + } + jas_seq_destroy(hfilters[0]); + jas_seq_destroy(hfilters[1]); + jas_seq_destroy(hseq); + hseq = tmpseq; + } + if (node->vqmfb) { + numvchans = jpc_qmfb1d_getnumchans(node->vqmfb); + if (jpc_qmfb1d_getsynfilters(node->vqmfb, height, vfilters)) { + abort(); + } + if (!(tmpseq = jpc_seq_upsample(vseq, numvchans))) { + goto error; + } + jas_seq_destroy(vseq); + vseq = tmpseq; + if (!(tmpseq = jpc_seq_conv(vseq, vfilters[bandnotovind(node, cldind)]))) { + goto error; + } + jas_seq_destroy(vfilters[0]); + jas_seq_destroy(vfilters[1]); + jas_seq_destroy(vseq); + vseq = tmpseq; + } + if (node->parent) { + cldind = jpc_tsfbnode_findchild(node->parent, node); + } + node = node->parent; + } + + *hfilter = hseq; + *vfilter = vseq; + + return 0; + +error: + if (hseq) { + jas_seq_destroy(hseq); + } + if (vseq) { + jas_seq_destroy(vseq); + } + return -1; + +} + +static int jpc_tsfbnode_findchild(jpc_tsfbnode_t *parnode, jpc_tsfbnode_t *cldnode) +{ + int i; + + for (i = 0; i < parnode->maxchildren; i++) { + if (parnode->children[i] == cldnode) + return i; + } + assert(0); + return -1; +} + +jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlevels) +{ + jpc_tsfb_t *tsfb; + + switch (qmfbid) { + case JPC_COX_RFT: + qmfbid = JPC_QMFB1D_FT; + break; + case JPC_COX_INS: + qmfbid = JPC_QMFB1D_NS; + break; + default: + assert(0); + qmfbid = 10; + break; + } + +{ + jpc_qmfb1d_t *hqmfb; + hqmfb = jpc_qmfb1d_make(qmfbid); + assert(hqmfb); + tsfb = jpc_tsfb_wavelet(hqmfb, hqmfb, numlevels); + assert(tsfb); + jpc_qmfb1d_destroy(hqmfb); +} + + return tsfb; +} |