--- /dev/null
+/*
+ * Copyright (c) 1999-2000 Image Power, Inc. and the University of
+ * British Columbia.
+ * Copyright (c) 2001-2004 Michael David Adams.
+ * All rights reserved.
+ */
+
+/* __START_OF_JASPER_LICENSE__
+ *
+ * JasPer License Version 2.0
+ *
+ * Copyright (c) 2001-2006 Michael David Adams
+ * Copyright (c) 1999-2000 Image Power, Inc.
+ * Copyright (c) 1999-2000 The University of British Columbia
+ *
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person (the
+ * "User") obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, and/or sell copies of the Software, and to permit
+ * persons to whom the Software is furnished to do so, subject to the
+ * following conditions:
+ *
+ * 1. The above copyright notices and this permission notice (which
+ * includes the disclaimer below) shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * 2. The name of a copyright holder shall not be used to endorse or
+ * promote products derived from the Software without specific prior
+ * written permission.
+ *
+ * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
+ * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
+ * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
+ * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
+ * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
+ * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
+ * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
+ * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
+ * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
+ * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
+ * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
+ * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
+ * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
+ * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
+ * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
+ * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
+ * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
+ * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
+ * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
+ * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
+ *
+ * __END_OF_JASPER_LICENSE__
+ */
+
+/*
+ * Tree-Structured Filter Bank (TSFB) Library
+ *
+ * $Id: jpc_tsfb.c,v 1.2 2008-05-26 09:40:52 vp153 Exp $
+ */
+
+/******************************************************************************\
+* 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"
+#include "jpc_math.h"
+
+void jpc_tsfb_getbands2(jpc_tsfb_t *tsfb, int locxstart, int locystart,
+ int xstart, int ystart, int xend, int yend, jpc_tsfb_band_t **bands,
+ int numlvls);
+
+/******************************************************************************\
+*
+\******************************************************************************/
+
+jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlvls)
+{
+ jpc_tsfb_t *tsfb;
+
+ if (!(tsfb = malloc(sizeof(jpc_tsfb_t))))
+ return 0;
+
+ if (numlvls > 0) {
+ switch (qmfbid) {
+ case JPC_COX_INS:
+ tsfb->qmfb = &jpc_ns_qmfb2d;
+ break;
+ default:
+ case JPC_COX_RFT:
+ tsfb->qmfb = &jpc_ft_qmfb2d;
+ break;
+ }
+ } else {
+ tsfb->qmfb = 0;
+ }
+ tsfb->numlvls = numlvls;
+ return tsfb;
+}
+
+void jpc_tsfb_destroy(jpc_tsfb_t *tsfb)
+{
+ free(tsfb);
+}
+
+int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *a)
+{
+ return (tsfb->numlvls > 0) ? jpc_tsfb_analyze2(tsfb, jas_seq2d_getref(a,
+ jas_seq2d_xstart(a), jas_seq2d_ystart(a)), jas_seq2d_xstart(a),
+ jas_seq2d_ystart(a), jas_seq2d_width(a),
+ jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0;
+}
+
+int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
+ int width, int height, int stride, int numlvls)
+{
+ if (width > 0 && height > 0) {
+ if ((*tsfb->qmfb->analyze)(a, xstart, ystart, width, height, stride))
+ return -1;
+ if (numlvls > 0) {
+ if (jpc_tsfb_analyze2(tsfb, a, JPC_CEILDIVPOW2(xstart,
+ 1), JPC_CEILDIVPOW2(ystart, 1), JPC_CEILDIVPOW2(
+ xstart + width, 1) - JPC_CEILDIVPOW2(xstart, 1),
+ JPC_CEILDIVPOW2(ystart + height, 1) -
+ JPC_CEILDIVPOW2(ystart, 1), stride, numlvls - 1)) {
+ return -1;
+ }
+ }
+ }
+ return 0;
+}
+
+int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *a)
+{
+ return (tsfb->numlvls > 0) ? jpc_tsfb_synthesize2(tsfb,
+ jas_seq2d_getref(a, jas_seq2d_xstart(a), jas_seq2d_ystart(a)),
+ jas_seq2d_xstart(a), jas_seq2d_ystart(a), jas_seq2d_width(a),
+ jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0;
+}
+
+int jpc_tsfb_synthesize2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
+ int width, int height, int stride, int numlvls)
+{
+ if (numlvls > 0) {
+ if (jpc_tsfb_synthesize2(tsfb, a, JPC_CEILDIVPOW2(xstart, 1),
+ JPC_CEILDIVPOW2(ystart, 1), JPC_CEILDIVPOW2(xstart + width,
+ 1) - JPC_CEILDIVPOW2(xstart, 1), JPC_CEILDIVPOW2(ystart +
+ height, 1) - JPC_CEILDIVPOW2(ystart, 1), stride, numlvls -
+ 1)) {
+ return -1;
+ }
+ }
+ if (width > 0 && height > 0) {
+ if ((*tsfb->qmfb->synthesize)(a, xstart, ystart, width, height, stride)) {
+ return -1;
+ }
+ }
+ return 0;
+}
+
+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 *band;
+
+ band = bands;
+ if (tsfb->numlvls > 0) {
+ jpc_tsfb_getbands2(tsfb, xstart, ystart, xstart, ystart, xend, yend,
+ &band, tsfb->numlvls);
+ } else {
+
+ band->xstart = xstart;
+ band->ystart = ystart;
+ band->xend = xend;
+ band->yend = yend;
+ band->locxstart = xstart;
+ band->locystart = ystart;
+ band->locxend = band->locxstart + band->xend - band->xstart;
+ band->locyend = band->locystart + band->yend - band->ystart;
+ band->orient = JPC_TSFB_LL;
+ band->synenergywt = JPC_FIX_ONE;
+ ++band;
+ }
+ return band - bands;
+}
+
+void jpc_tsfb_getbands2(jpc_tsfb_t *tsfb, int locxstart, int locystart,
+ int xstart, int ystart, int xend, int yend, jpc_tsfb_band_t **bands,
+ int numlvls)
+{
+ int newxstart;
+ int newystart;
+ int newxend;
+ int newyend;
+ jpc_tsfb_band_t *band;
+
+ newxstart = JPC_CEILDIVPOW2(xstart, 1);
+ newystart = JPC_CEILDIVPOW2(ystart, 1);
+ newxend = JPC_CEILDIVPOW2(xend, 1);
+ newyend = JPC_CEILDIVPOW2(yend, 1);
+
+ if (numlvls > 0) {
+
+ jpc_tsfb_getbands2(tsfb, locxstart, locystart, newxstart, newystart,
+ newxend, newyend, bands, numlvls - 1);
+
+ band = *bands;
+ band->xstart = JPC_FLOORDIVPOW2(xstart, 1);
+ band->ystart = newystart;
+ band->xend = JPC_FLOORDIVPOW2(xend, 1);
+ band->yend = newyend;
+ band->locxstart = locxstart + newxend - newxstart;
+ band->locystart = locystart;
+ band->locxend = band->locxstart + band->xend - band->xstart;
+ band->locyend = band->locystart + band->yend - band->ystart;
+ band->orient = JPC_TSFB_HL;
+ band->synenergywt = jpc_dbltofix(tsfb->qmfb->hpenergywts[
+ tsfb->numlvls - numlvls] * tsfb->qmfb->lpenergywts[
+ tsfb->numlvls - numlvls]);
+ ++(*bands);
+
+ band = *bands;
+ band->xstart = newxstart;
+ band->ystart = JPC_FLOORDIVPOW2(ystart, 1);
+ band->xend = newxend;
+ band->yend = JPC_FLOORDIVPOW2(yend, 1);
+ band->locxstart = locxstart;
+ band->locystart = locystart + newyend - newystart;
+ band->locxend = band->locxstart + band->xend - band->xstart;
+ band->locyend = band->locystart + band->yend - band->ystart;
+ band->orient = JPC_TSFB_LH;
+ band->synenergywt = jpc_dbltofix(tsfb->qmfb->lpenergywts[
+ tsfb->numlvls - numlvls] * tsfb->qmfb->hpenergywts[
+ tsfb->numlvls - numlvls]);
+ ++(*bands);
+
+ band = *bands;
+ band->xstart = JPC_FLOORDIVPOW2(xstart, 1);
+ band->ystart = JPC_FLOORDIVPOW2(ystart, 1);
+ band->xend = JPC_FLOORDIVPOW2(xend, 1);
+ band->yend = JPC_FLOORDIVPOW2(yend, 1);
+ band->locxstart = locxstart + newxend - newxstart;
+ band->locystart = locystart + newyend - newystart;
+ band->locxend = band->locxstart + band->xend - band->xstart;
+ band->locyend = band->locystart + band->yend - band->ystart;
+ band->orient = JPC_TSFB_HH;
+ band->synenergywt = jpc_dbltofix(tsfb->qmfb->hpenergywts[
+ tsfb->numlvls - numlvls] * tsfb->qmfb->hpenergywts[
+ tsfb->numlvls - numlvls]);
+ ++(*bands);
+
+ } else {
+
+ band = *bands;
+ band->xstart = xstart;
+ band->ystart = ystart;
+ band->xend = xend;
+ band->yend = yend;
+ band->locxstart = locxstart;
+ band->locystart = locystart;
+ band->locxend = band->locxstart + band->xend - band->xstart;
+ band->locyend = band->locystart + band->yend - band->ystart;
+ band->orient = JPC_TSFB_LL;
+ band->synenergywt = jpc_dbltofix(tsfb->qmfb->lpenergywts[
+ tsfb->numlvls - numlvls - 1] * tsfb->qmfb->lpenergywts[
+ tsfb->numlvls - numlvls - 1]);
+ ++(*bands);
+
+ }
+
+}
projects / opencv / blobdiff