WebSVN - AndroidProjects - Rev 244 - /tools/osframework/source/ImageLib/jpeg2000/jpc

/*
* Copyright (c) 1999-2000 Image Power, Inc. and the University of
* British Columbia.
* Copyright (c) 2001-2003 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: jpc_tsfb.c,v 1.1 2003/05/15 01:30:32 ace Exp $
*/

/******************************************************************************\
* Includes.
\******************************************************************************/

#include <assert.h>

#include "jas_malloc.h"
#include "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;
assert(numbands <= maxbands);
*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;
}

Subversion Repositories AndroidProjects

(root)/tools/osframework/source/ImageLib/jpeg2000/jpc_tsfb.c @ 1717 - Rev 244