/* * 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 * * $Id$ */ /******************************************************************************\ * Includes. \******************************************************************************/ #include #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); } }