init - 初始化项目
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Lee Nony
288
3rdparty/libjasper/jpc_tsfb.c
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288
3rdparty/libjasper/jpc_tsfb.c
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/*
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of
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* British Columbia.
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* Copyright (c) 2001-2004 Michael David Adams.
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* All rights reserved.
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*/
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/* __START_OF_JASPER_LICENSE__
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*
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* JasPer License Version 2.0
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*
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* Copyright (c) 2001-2006 Michael David Adams
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* Copyright (c) 1999-2000 Image Power, Inc.
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* Copyright (c) 1999-2000 The University of British Columbia
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*
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person (the
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* "User") obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* 1. The above copyright notices and this permission notice (which
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* includes the disclaimer below) shall be included in all copies or
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* substantial portions of the Software.
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*
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* 2. The name of a copyright holder shall not be used to endorse or
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* promote products derived from the Software without specific prior
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* written permission.
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*
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
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* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
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* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
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* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
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* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
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* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
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* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
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* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
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* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
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* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
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* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
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* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
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* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
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* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
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* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
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* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
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* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
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*
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* __END_OF_JASPER_LICENSE__
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*/
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/*
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* Tree-Structured Filter Bank (TSFB) Library
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*
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* $Id: jpc_tsfb.c,v 1.2 2008-05-26 09:40:52 vp153 Exp $
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*/
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include <assert.h>
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#include "jasper/jas_malloc.h"
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#include "jasper/jas_seq.h"
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#include "jpc_tsfb.h"
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#include "jpc_cod.h"
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#include "jpc_cs.h"
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#include "jpc_util.h"
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#include "jpc_math.h"
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void jpc_tsfb_getbands2(jpc_tsfb_t *tsfb, int locxstart, int locystart,
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int xstart, int ystart, int xend, int yend, jpc_tsfb_band_t **bands,
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int numlvls);
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/******************************************************************************\
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*
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\******************************************************************************/
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jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlvls)
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{
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jpc_tsfb_t *tsfb;
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if (!(tsfb = malloc(sizeof(jpc_tsfb_t))))
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return 0;
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if (numlvls > 0) {
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switch (qmfbid) {
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case JPC_COX_INS:
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tsfb->qmfb = &jpc_ns_qmfb2d;
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break;
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default:
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case JPC_COX_RFT:
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tsfb->qmfb = &jpc_ft_qmfb2d;
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break;
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}
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} else {
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tsfb->qmfb = 0;
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}
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tsfb->numlvls = numlvls;
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return tsfb;
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}
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void jpc_tsfb_destroy(jpc_tsfb_t *tsfb)
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{
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free(tsfb);
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}
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int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *a)
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{
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return (tsfb->numlvls > 0) ? jpc_tsfb_analyze2(tsfb, jas_seq2d_getref(a,
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jas_seq2d_xstart(a), jas_seq2d_ystart(a)), jas_seq2d_xstart(a),
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jas_seq2d_ystart(a), jas_seq2d_width(a),
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jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0;
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}
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int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
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int width, int height, int stride, int numlvls)
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{
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if (width > 0 && height > 0) {
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if ((*tsfb->qmfb->analyze)(a, xstart, ystart, width, height, stride))
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return -1;
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if (numlvls > 0) {
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if (jpc_tsfb_analyze2(tsfb, a, JPC_CEILDIVPOW2(xstart,
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1), JPC_CEILDIVPOW2(ystart, 1), JPC_CEILDIVPOW2(
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xstart + width, 1) - JPC_CEILDIVPOW2(xstart, 1),
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JPC_CEILDIVPOW2(ystart + height, 1) -
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JPC_CEILDIVPOW2(ystart, 1), stride, numlvls - 1)) {
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return -1;
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}
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}
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}
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return 0;
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}
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int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *a)
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{
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return (tsfb->numlvls > 0) ? jpc_tsfb_synthesize2(tsfb,
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jas_seq2d_getref(a, jas_seq2d_xstart(a), jas_seq2d_ystart(a)),
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jas_seq2d_xstart(a), jas_seq2d_ystart(a), jas_seq2d_width(a),
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jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0;
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}
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int jpc_tsfb_synthesize2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
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int width, int height, int stride, int numlvls)
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{
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if (numlvls > 0) {
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if (jpc_tsfb_synthesize2(tsfb, a, JPC_CEILDIVPOW2(xstart, 1),
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JPC_CEILDIVPOW2(ystart, 1), JPC_CEILDIVPOW2(xstart + width,
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1) - JPC_CEILDIVPOW2(xstart, 1), JPC_CEILDIVPOW2(ystart +
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height, 1) - JPC_CEILDIVPOW2(ystart, 1), stride, numlvls -
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1)) {
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return -1;
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}
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}
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if (width > 0 && height > 0) {
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if ((*tsfb->qmfb->synthesize)(a, xstart, ystart, width, height, stride)) {
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return -1;
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}
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}
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return 0;
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}
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int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart,
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uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend,
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jpc_tsfb_band_t *bands)
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{
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jpc_tsfb_band_t *band;
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band = bands;
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if (tsfb->numlvls > 0) {
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jpc_tsfb_getbands2(tsfb, xstart, ystart, xstart, ystart, xend, yend,
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&band, tsfb->numlvls);
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} else {
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band->xstart = xstart;
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band->ystart = ystart;
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band->xend = xend;
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band->yend = yend;
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band->locxstart = xstart;
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band->locystart = ystart;
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band->locxend = band->locxstart + band->xend - band->xstart;
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band->locyend = band->locystart + band->yend - band->ystart;
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band->orient = JPC_TSFB_LL;
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band->synenergywt = JPC_FIX_ONE;
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++band;
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}
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return band - bands;
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}
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void jpc_tsfb_getbands2(jpc_tsfb_t *tsfb, int locxstart, int locystart,
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int xstart, int ystart, int xend, int yend, jpc_tsfb_band_t **bands,
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int numlvls)
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{
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int newxstart;
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int newystart;
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int newxend;
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int newyend;
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jpc_tsfb_band_t *band;
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newxstart = JPC_CEILDIVPOW2(xstart, 1);
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newystart = JPC_CEILDIVPOW2(ystart, 1);
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newxend = JPC_CEILDIVPOW2(xend, 1);
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newyend = JPC_CEILDIVPOW2(yend, 1);
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if (numlvls > 0) {
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jpc_tsfb_getbands2(tsfb, locxstart, locystart, newxstart, newystart,
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newxend, newyend, bands, numlvls - 1);
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band = *bands;
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band->xstart = JPC_FLOORDIVPOW2(xstart, 1);
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band->ystart = newystart;
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band->xend = JPC_FLOORDIVPOW2(xend, 1);
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band->yend = newyend;
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band->locxstart = locxstart + newxend - newxstart;
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band->locystart = locystart;
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band->locxend = band->locxstart + band->xend - band->xstart;
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band->locyend = band->locystart + band->yend - band->ystart;
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band->orient = JPC_TSFB_HL;
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band->synenergywt = jpc_dbltofix(tsfb->qmfb->hpenergywts[
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tsfb->numlvls - numlvls] * tsfb->qmfb->lpenergywts[
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tsfb->numlvls - numlvls]);
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++(*bands);
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band = *bands;
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band->xstart = newxstart;
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band->ystart = JPC_FLOORDIVPOW2(ystart, 1);
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band->xend = newxend;
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band->yend = JPC_FLOORDIVPOW2(yend, 1);
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band->locxstart = locxstart;
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band->locystart = locystart + newyend - newystart;
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band->locxend = band->locxstart + band->xend - band->xstart;
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band->locyend = band->locystart + band->yend - band->ystart;
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band->orient = JPC_TSFB_LH;
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band->synenergywt = jpc_dbltofix(tsfb->qmfb->lpenergywts[
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tsfb->numlvls - numlvls] * tsfb->qmfb->hpenergywts[
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tsfb->numlvls - numlvls]);
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++(*bands);
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band = *bands;
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band->xstart = JPC_FLOORDIVPOW2(xstart, 1);
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band->ystart = JPC_FLOORDIVPOW2(ystart, 1);
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band->xend = JPC_FLOORDIVPOW2(xend, 1);
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band->yend = JPC_FLOORDIVPOW2(yend, 1);
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band->locxstart = locxstart + newxend - newxstart;
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band->locystart = locystart + newyend - newystart;
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band->locxend = band->locxstart + band->xend - band->xstart;
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band->locyend = band->locystart + band->yend - band->ystart;
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band->orient = JPC_TSFB_HH;
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band->synenergywt = jpc_dbltofix(tsfb->qmfb->hpenergywts[
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tsfb->numlvls - numlvls] * tsfb->qmfb->hpenergywts[
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tsfb->numlvls - numlvls]);
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++(*bands);
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} else {
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band = *bands;
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band->xstart = xstart;
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band->ystart = ystart;
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band->xend = xend;
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band->yend = yend;
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band->locxstart = locxstart;
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band->locystart = locystart;
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band->locxend = band->locxstart + band->xend - band->xstart;
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band->locyend = band->locystart + band->yend - band->ystart;
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band->orient = JPC_TSFB_LL;
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band->synenergywt = jpc_dbltofix(tsfb->qmfb->lpenergywts[
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tsfb->numlvls - numlvls - 1] * tsfb->qmfb->lpenergywts[
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tsfb->numlvls - numlvls - 1]);
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++(*bands);
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}
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}
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