a4911967eb
* Old -q option is now available with -f
* The INDEX-file structure has been modified and is now like this :
------------------------------
image_width image_height
progression order
tile_width tile_height
nb_tiles_width nb_tiles_height
nb_components
nb_layers
nb_decompositions
foreach resolution_level {[precinct_width,precinct_height]}
main_header_end
codestream_size
foreach tile {
tileno start_pos end_header end_pos squarred_error_total nb_pixels mean_squarred_error
}
foreach tile {
foreach packet {
packetno tileno layerno resno compno precinctno start_pos end_pos SE_reduction
}
}
SE max
SE total
-----------------------------
1550 lines
49 KiB
C
1550 lines
49 KiB
C
/*
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* Copyright (c) 2001-2002, David Janssens
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* Copyright (c) 2002-2004, Yannick Verschueren
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* Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tcd.h"
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#include "int.h"
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#include "t1.h"
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#include "t2.h"
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#include "dwt.h"
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#include "mct.h"
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#include <setjmp.h>
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#include <float.h>
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#include <stdio.h>
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#include <time.h>
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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static tcd_image_t tcd_image;
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static j2k_image_t *tcd_img;
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static j2k_cp_t *tcd_cp;
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static tcd_tile_t *tcd_tile;
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static j2k_tcp_t *tcd_tcp;
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static int tcd_tileno;
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static tcd_tile_t *tile;
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static tcd_tilecomp_t *tilec;
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static tcd_resolution_t *res;
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static tcd_band_t *band;
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static tcd_precinct_t *prc;
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static tcd_cblk_t *cblk;
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extern jmp_buf j2k_error;
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void tcd_dump(tcd_image_t * img, int curtileno)
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{
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int tileno, compno, resno, bandno, precno, cblkno;
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/* fprintf(stderr, "image {\n"); */
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fprintf(stderr, " tw=%d, th=%d x0 %d x1 %d\n", img->tw, img->th,
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tcd_img->x0, tcd_img->x1);
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for (tileno = 0; tileno < 1; tileno++) {
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tcd_tile_t *tile = &tcd_image.tiles[curtileno];
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/* fprintf(stderr, " tile {\n"); */
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/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n", tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps); */
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for (compno = 0; compno < tile->numcomps; compno++) {
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tcd_tilecomp_t *tilec = &tile->comps[compno];
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/* fprintf(stderr, " tilec {\n"); */
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/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n", tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions); */
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for (resno = 0; resno < tilec->numresolutions; resno++) {
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tcd_resolution_t *res = &tilec->resolutions[resno];
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/* fprintf(stderr, "\n res {\n"); */
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/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n", res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands); */
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for (bandno = 0; bandno < res->numbands; bandno++) {
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tcd_band_t *band = &res->bands[bandno];
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/* fprintf(stderr, " band {\n"); */
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/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%d, numbps=%d\n", band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps); */
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for (precno = 0; precno < res->pw * res->ph; precno++) {
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tcd_precinct_t *prec = &band->precincts[precno];
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/* fprintf(stderr, " prec {\n"); */
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/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n", prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch); */
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for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
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/* tcd_cblk_t *cblk=&prec->cblks[cblkno]; */
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/* fprintf(stderr, " cblk {\n"); */
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/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d\n", cblk->x0, cblk->y0, cblk->x1, cblk->y1); */
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/* fprintf(stderr, " }\n"); */
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}
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/* fprintf(stderr, " }\n"); */
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}
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/* fprintf(stderr, " }\n"); */
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}
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/* fprintf(stderr, " }\n"); */
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}
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/* fprintf(stderr, " }\n"); */
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}
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/* fprintf(stderr, " }\n"); */
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}
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/* fprintf(stderr, "}\n"); */
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}
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void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
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{
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int tileno, compno, resno, bandno, precno, cblkno;
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tcd_img = img;
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tcd_cp = cp;
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tcd_image.tw = cp->tw;
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tcd_image.th = cp->th;
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tcd_image.tiles = (tcd_tile_t *) malloc(sizeof(tcd_tile_t));
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for (tileno = 0; tileno < 1; tileno++) {
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j2k_tcp_t *tcp = &cp->tcps[curtileno];
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int j;
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/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
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int p = curtileno % cp->tw; /* si numerotation matricielle .. */
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int q = curtileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
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/* tcd_tile_t *tile=&tcd_image.tiles[tileno]; */
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tile = tcd_image.tiles;
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/* 4 borders of the tile rescale on the image if necessary */
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tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
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tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
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tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
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tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
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tile->numcomps = img->numcomps;
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/* tile->PPT=img->PPT; */
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/* Modification of the RATE >> */
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for (j = 0; j < tcp->numlayers; j++) {
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tcp->rates[j] =
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int_ceildiv(tile->numcomps * (tile->x1 - tile->x0) *
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(tile->y1 -
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tile->y0) * img->comps[0].prec, (tcp->rates[j] * 8 *
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img->comps[0].dx *
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img->comps[0].dy));
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if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
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tcp->rates[j] = tcp->rates[j - 1] + 20;
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} else {
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if (!j && tcp->rates[j] < 30)
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tcp->rates[j] = 30;
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}
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}
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/* << Modification of the RATE */
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tile->comps =
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(tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
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for (compno = 0; compno < tile->numcomps; compno++) {
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j2k_tccp_t *tccp = &tcp->tccps[compno];
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/* tcd_tilecomp_t *tilec=&tile->comps[compno]; */
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tilec = &tile->comps[compno];
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/* border of each tile component (global) */
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tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
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tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
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tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
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tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
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tilec->data =
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(int *) malloc((tilec->x1 - tilec->x0) *
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(tilec->y1 - tilec->y0) * sizeof(int));
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tilec->numresolutions = tccp->numresolutions;
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tilec->resolutions =
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(tcd_resolution_t *) malloc(tilec->numresolutions *
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sizeof(tcd_resolution_t));
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for (resno = 0; resno < tilec->numresolutions; resno++) {
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int pdx, pdy;
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int levelno = tilec->numresolutions - 1 - resno;
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int tlprcxstart, tlprcystart, brprcxend, brprcyend;
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int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
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int cbgwidthexpn, cbgheightexpn;
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int cblkwidthexpn, cblkheightexpn;
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/* tcd_resolution_t *res=&tilec->resolutions[resno]; */
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res = &tilec->resolutions[resno];
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/* border for each resolution level (global) */
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res->x0 = int_ceildivpow2(tilec->x0, levelno);
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res->y0 = int_ceildivpow2(tilec->y0, levelno);
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res->x1 = int_ceildivpow2(tilec->x1, levelno);
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res->y1 = int_ceildivpow2(tilec->y1, levelno);
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res->numbands = resno == 0 ? 1 : 3;
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/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
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if (tccp->csty & J2K_CCP_CSTY_PRT) {
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pdx = tccp->prcw[resno];
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pdy = tccp->prch[resno];
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} else {
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pdx = 15;
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pdy = 15;
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}
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/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
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tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
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tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
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brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
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brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
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res->pw = (brprcxend - tlprcxstart) >> pdx;
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res->ph = (brprcyend - tlprcystart) >> pdy;
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if (resno == 0) {
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tlcbgxstart = tlprcxstart;
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tlcbgystart = tlprcystart;
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brcbgxend = brprcxend;
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brcbgyend = brprcyend;
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cbgwidthexpn = pdx;
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cbgheightexpn = pdy;
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} else {
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tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
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tlcbgystart = int_ceildivpow2(tlprcystart, 1);
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brcbgxend = int_ceildivpow2(brprcxend, 1);
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brcbgyend = int_ceildivpow2(brprcyend, 1);
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cbgwidthexpn = pdx - 1;
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cbgheightexpn = pdy - 1;
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}
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cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
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cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
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for (bandno = 0; bandno < res->numbands; bandno++) {
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int x0b, y0b, i;
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int gain, numbps;
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j2k_stepsize_t *ss;
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band = &res->bands[bandno];
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band->bandno = resno == 0 ? 0 : bandno + 1;
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x0b = (band->bandno == 1)
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|| (band->bandno == 3) ? 1 : 0;
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y0b = (band->bandno == 2)
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|| (band->bandno == 3) ? 1 : 0;
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if (band->bandno == 0) {
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/* band border (global) */
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band->x0 = int_ceildivpow2(tilec->x0, levelno);
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band->y0 = int_ceildivpow2(tilec->y0, levelno);
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band->x1 = int_ceildivpow2(tilec->x1, levelno);
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band->y1 = int_ceildivpow2(tilec->y1, levelno);
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} else {
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/* band border (global) */
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band->x0 =
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int_ceildivpow2(tilec->x0 -
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(1 << levelno) * x0b, levelno + 1);
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band->y0 =
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int_ceildivpow2(tilec->y0 -
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(1 << levelno) * y0b, levelno + 1);
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band->x1 =
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int_ceildivpow2(tilec->x1 -
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(1 << levelno) * x0b, levelno + 1);
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band->y1 =
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int_ceildivpow2(tilec->y1 -
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(1 << levelno) * y0b, levelno + 1);
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}
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ss = &tccp->stepsizes[resno ==
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0 ? 0 : 3 * (resno - 1) + bandno + 1];
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gain =
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tccp->qmfbid ==
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0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
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numbps = img->comps[compno].prec + gain;
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band->stepsize =
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(int) floor((1.0 + ss->mant / 2048.0) *
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pow(2.0, numbps - ss->expn) * 8192.0);
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band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
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band->precincts =
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(tcd_precinct_t *) malloc(3 * res->pw * res->ph *
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sizeof(tcd_precinct_t));
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for (i = 0; i < res->pw * res->ph * 3; i++) {
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band->precincts[i].imsbtree = NULL;
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band->precincts[i].incltree = NULL;
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}
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for (precno = 0; precno < res->pw * res->ph; precno++) {
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int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
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int cbgxstart =
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tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
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int cbgystart =
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tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
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int cbgxend = cbgxstart + (1 << cbgwidthexpn);
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int cbgyend = cbgystart + (1 << cbgheightexpn);
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/* tcd_precinct_t *prc=&band->precincts[precno]; */
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prc = &band->precincts[precno];
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/* precinct size (global) */
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prc->x0 = int_max(cbgxstart, band->x0);
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prc->y0 = int_max(cbgystart, band->y0);
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prc->x1 = int_min(cbgxend, band->x1);
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prc->y1 = int_min(cbgyend, band->y1);
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tlcblkxstart =
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int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
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tlcblkystart =
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int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
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brcblkxend =
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int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
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brcblkyend =
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int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
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prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
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prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
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prc->cblks =
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(tcd_cblk_t *) malloc((prc->cw * prc->ch) *
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sizeof(tcd_cblk_t));
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prc->incltree = tgt_create(prc->cw, prc->ch);
|
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prc->imsbtree = tgt_create(prc->cw, prc->ch);
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for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
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int cblkxstart =
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tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
|
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int cblkystart =
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tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
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int cblkxend = cblkxstart + (1 << cblkwidthexpn);
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int cblkyend = cblkystart + (1 << cblkheightexpn);
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cblk = &prc->cblks[cblkno];
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/* code-block size (global) */
|
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cblk->x0 = int_max(cblkxstart, prc->x0);
|
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cblk->y0 = int_max(cblkystart, prc->y0);
|
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cblk->x1 = int_min(cblkxend, prc->x1);
|
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cblk->y1 = int_min(cblkyend, prc->y1);
|
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}
|
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}
|
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}
|
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}
|
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}
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}
|
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/* tcd_dump(&tcd_image,curtileno); */
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}
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|
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void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
|
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{
|
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int tileno, compno, resno, bandno, precno;
|
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tcd_img = img;
|
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tcd_cp = cp;
|
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tcd_image.tw = cp->tw;
|
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tcd_image.th = cp->th;
|
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for (tileno = 0; tileno < 1; tileno++) {
|
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/* j2k_tcp_t *tcp=&cp->tcps[curtileno]; */
|
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tile = tcd_image.tiles;
|
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for (compno = 0; compno < tile->numcomps; compno++) {
|
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tilec = &tile->comps[compno];
|
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for (resno = 0; resno < tilec->numresolutions; resno++) {
|
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res = &tilec->resolutions[resno];
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
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band = &res->bands[bandno];
|
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for (precno = 0; precno < res->pw * res->ph; precno++) {
|
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prc = &band->precincts[precno];
|
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|
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if (prc->incltree != NULL)
|
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tgt_destroy(prc->incltree);
|
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if (prc->imsbtree != NULL)
|
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tgt_destroy(prc->imsbtree);
|
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free(prc->cblks);
|
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} /* for (precno */
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free(band->precincts);
|
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} /* for (bandno */
|
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} /* for (resno */
|
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free(tilec->resolutions);
|
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} /* for (compno */
|
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free(tile->comps);
|
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} /* for (tileno */
|
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free(tcd_image.tiles);
|
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}
|
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|
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void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
|
|
{
|
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int tileno, compno, resno, bandno, precno, cblkno;
|
|
|
|
for (tileno = 0; tileno < 1; tileno++) {
|
|
j2k_tcp_t *tcp = &cp->tcps[curtileno];
|
|
int j;
|
|
// int previous_x0, previous_x1, previous_y0, previous_y1;
|
|
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
|
|
int p = curtileno % cp->tw;
|
|
int q = curtileno / cp->tw;
|
|
tile = tcd_image.tiles;
|
|
|
|
/* 4 borders of the tile rescale on the image if necessary */
|
|
tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
|
|
tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
|
|
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
|
|
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
|
|
|
|
tile->numcomps = img->numcomps;
|
|
/* tile->PPT=img->PPT; */
|
|
/* Modification of the RATE >> */
|
|
for (j = 0; j < tcp->numlayers; j++) {
|
|
tcp->rates[j] =
|
|
int_ceildiv(tile->numcomps * (tile->x1 - tile->x0) *
|
|
(tile->y1 -
|
|
tile->y0) * img->comps[0].prec, (tcp->rates[j] * 8 *
|
|
img->comps[0].dx *
|
|
img->comps[0].dy));
|
|
if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
|
|
tcp->rates[j] = tcp->rates[j - 1] + 20;
|
|
} else {
|
|
if (!j && tcp->rates[j] < 30)
|
|
tcp->rates[j] = 30;
|
|
}
|
|
}
|
|
/* << Modification of the RATE */
|
|
/* tile->comps=(tcd_tilecomp_t*)realloc(tile->comps,img->numcomps*sizeof(tcd_tilecomp_t)); */
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
j2k_tccp_t *tccp = &tcp->tccps[compno];
|
|
/* int realloc_op; */
|
|
|
|
tilec = &tile->comps[compno];
|
|
/* border of each tile component (global) */
|
|
tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
|
|
tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
|
|
tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
|
|
tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
|
|
|
|
tilec->data =
|
|
(int *) malloc((tilec->x1 - tilec->x0) *
|
|
(tilec->y1 - tilec->y0) * sizeof(int));
|
|
tilec->numresolutions = tccp->numresolutions;
|
|
/* tilec->resolutions=(tcd_resolution_t*)realloc(tilec->resolutions,tilec->numresolutions*sizeof(tcd_resolution_t)); */
|
|
for (resno = 0; resno < tilec->numresolutions; resno++) {
|
|
int pdx, pdy;
|
|
int levelno = tilec->numresolutions - 1 - resno;
|
|
int tlprcxstart, tlprcystart, brprcxend, brprcyend;
|
|
int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
|
|
int cbgwidthexpn, cbgheightexpn;
|
|
int cblkwidthexpn, cblkheightexpn;
|
|
|
|
res = &tilec->resolutions[resno];
|
|
/* border for each resolution level (global) */
|
|
res->x0 = int_ceildivpow2(tilec->x0, levelno);
|
|
res->y0 = int_ceildivpow2(tilec->y0, levelno);
|
|
res->x1 = int_ceildivpow2(tilec->x1, levelno);
|
|
res->y1 = int_ceildivpow2(tilec->y1, levelno);
|
|
|
|
res->numbands = resno == 0 ? 1 : 3;
|
|
/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
|
|
if (tccp->csty & J2K_CCP_CSTY_PRT) {
|
|
pdx = tccp->prcw[resno];
|
|
pdy = tccp->prch[resno];
|
|
} else {
|
|
pdx = 15;
|
|
pdy = 15;
|
|
}
|
|
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
|
|
tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
|
|
tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
|
|
brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
|
|
brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
|
|
|
|
res->pw = (brprcxend - tlprcxstart) >> pdx;
|
|
res->ph = (brprcyend - tlprcystart) >> pdy;
|
|
|
|
if (resno == 0) {
|
|
tlcbgxstart = tlprcxstart;
|
|
tlcbgystart = tlprcystart;
|
|
brcbgxend = brprcxend;
|
|
brcbgyend = brprcyend;
|
|
cbgwidthexpn = pdx;
|
|
cbgheightexpn = pdy;
|
|
} else {
|
|
tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
|
|
tlcbgystart = int_ceildivpow2(tlprcystart, 1);
|
|
brcbgxend = int_ceildivpow2(brprcxend, 1);
|
|
brcbgyend = int_ceildivpow2(brprcyend, 1);
|
|
cbgwidthexpn = pdx - 1;
|
|
cbgheightexpn = pdy - 1;
|
|
}
|
|
|
|
cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
|
|
cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
|
|
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
int x0b, y0b;
|
|
int gain, numbps;
|
|
j2k_stepsize_t *ss;
|
|
band = &res->bands[bandno];
|
|
band->bandno = resno == 0 ? 0 : bandno + 1;
|
|
x0b = (band->bandno == 1)
|
|
|| (band->bandno == 3) ? 1 : 0;
|
|
y0b = (band->bandno == 2)
|
|
|| (band->bandno == 3) ? 1 : 0;
|
|
|
|
if (band->bandno == 0) {
|
|
/* band border */
|
|
band->x0 = int_ceildivpow2(tilec->x0, levelno);
|
|
band->y0 = int_ceildivpow2(tilec->y0, levelno);
|
|
band->x1 = int_ceildivpow2(tilec->x1, levelno);
|
|
band->y1 = int_ceildivpow2(tilec->y1, levelno);
|
|
} else {
|
|
band->x0 =
|
|
int_ceildivpow2(tilec->x0 -
|
|
(1 << levelno) * x0b, levelno + 1);
|
|
band->y0 =
|
|
int_ceildivpow2(tilec->y0 -
|
|
(1 << levelno) * y0b, levelno + 1);
|
|
band->x1 =
|
|
int_ceildivpow2(tilec->x1 -
|
|
(1 << levelno) * x0b, levelno + 1);
|
|
band->y1 =
|
|
int_ceildivpow2(tilec->y1 -
|
|
(1 << levelno) * y0b, levelno + 1);
|
|
}
|
|
|
|
ss = &tccp->stepsizes[resno ==
|
|
0 ? 0 : 3 * (resno - 1) + bandno + 1];
|
|
gain =
|
|
tccp->qmfbid ==
|
|
0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
|
|
numbps = img->comps[compno].prec + gain;
|
|
band->stepsize =
|
|
(int) floor((1.0 + ss->mant / 2048.0) *
|
|
pow(2.0, numbps - ss->expn) * 8192.0);
|
|
band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
|
|
|
|
for (precno = 0; precno < res->pw * res->ph; precno++) {
|
|
int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
|
|
int cbgxstart =
|
|
tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
|
|
int cbgystart =
|
|
tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
|
|
int cbgxend = cbgxstart + (1 << cbgwidthexpn);
|
|
int cbgyend = cbgystart + (1 << cbgheightexpn);
|
|
|
|
prc = &band->precincts[precno];
|
|
/* precinct size (global) */
|
|
prc->x0 = int_max(cbgxstart, band->x0);
|
|
prc->y0 = int_max(cbgystart, band->y0);
|
|
prc->x1 = int_min(cbgxend, band->x1);
|
|
prc->y1 = int_min(cbgyend, band->y1);
|
|
|
|
tlcblkxstart =
|
|
int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
|
|
tlcblkystart =
|
|
int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
|
|
brcblkxend =
|
|
int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
|
|
brcblkyend =
|
|
int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
|
|
prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
|
|
prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
|
|
|
|
free(prc->cblks);
|
|
prc->cblks =
|
|
(tcd_cblk_t *) malloc(prc->cw * prc->ch *
|
|
sizeof(tcd_cblk_t));
|
|
|
|
if (prc->incltree != NULL)
|
|
tgt_destroy(prc->incltree);
|
|
if (prc->imsbtree != NULL)
|
|
tgt_destroy(prc->imsbtree);
|
|
|
|
prc->incltree = tgt_create(prc->cw, prc->ch);
|
|
prc->imsbtree = tgt_create(prc->cw, prc->ch);
|
|
|
|
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
|
|
int cblkxstart =
|
|
tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
|
|
int cblkystart =
|
|
tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
|
|
int cblkxend = cblkxstart + (1 << cblkwidthexpn);
|
|
int cblkyend = cblkystart + (1 << cblkheightexpn);
|
|
cblk = &prc->cblks[cblkno];
|
|
|
|
/* code-block size (global) */
|
|
cblk->x0 = int_max(cblkxstart, prc->x0);
|
|
cblk->y0 = int_max(cblkystart, prc->y0);
|
|
cblk->x1 = int_min(cblkxend, prc->x1);
|
|
cblk->y1 = int_min(cblkyend, prc->y1);
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* tcd_dump(&tcd_image,0); */
|
|
}
|
|
|
|
void tcd_init(j2k_image_t * img, j2k_cp_t * cp)
|
|
{
|
|
int tileno, compno, resno, bandno, precno, cblkno, i, j;
|
|
unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h, p, q;
|
|
tcd_img = img;
|
|
tcd_cp = cp;
|
|
tcd_image.tw = cp->tw;
|
|
tcd_image.th = cp->th;
|
|
tcd_image.tiles =
|
|
(tcd_tile_t *) malloc(cp->tw * cp->th * sizeof(tcd_tile_t));
|
|
|
|
/*for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
|
|
j2k_tcp_t *tcp = &cp->tcps[tileno];
|
|
tcd_tile_t *tile = &tcd_image.tiles[tileno]; */
|
|
|
|
for (i = 0; i < cp->tileno_size; i++) {
|
|
j2k_tcp_t *tcp = &cp->tcps[cp->tileno[i]];
|
|
tcd_tile_t *tile = &tcd_image.tiles[cp->tileno[i]];
|
|
tileno = cp->tileno[i];
|
|
|
|
|
|
// int previous_x0, previous_x1, previous_y0, previous_y1;
|
|
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
|
|
p = tileno % cp->tw; /* si numerotation matricielle .. */
|
|
q = tileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
|
|
|
|
/* 4 borders of the tile rescale on the image if necessary */
|
|
tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
|
|
tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
|
|
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
|
|
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
|
|
|
|
tile->numcomps = img->numcomps;
|
|
tile->comps =
|
|
(tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
j2k_tccp_t *tccp = &tcp->tccps[compno];
|
|
tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
/* border of each tile component (global) */
|
|
tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
|
|
tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
|
|
tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
|
|
tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
|
|
|
|
tilec->data =
|
|
(int *) malloc((tilec->x1 - tilec->x0) *
|
|
(tilec->y1 - tilec->y0) * sizeof(int));
|
|
tilec->numresolutions = tccp->numresolutions;
|
|
tilec->resolutions =
|
|
(tcd_resolution_t *) malloc(tilec->numresolutions *
|
|
sizeof(tcd_resolution_t));
|
|
for (resno = 0; resno < tilec->numresolutions; resno++) {
|
|
int pdx, pdy;
|
|
int levelno = tilec->numresolutions - 1 - resno;
|
|
int tlprcxstart, tlprcystart, brprcxend, brprcyend;
|
|
int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
|
|
int cbgwidthexpn, cbgheightexpn;
|
|
int cblkwidthexpn, cblkheightexpn;
|
|
tcd_resolution_t *res = &tilec->resolutions[resno];
|
|
|
|
/* border for each resolution level (global) */
|
|
res->x0 = int_ceildivpow2(tilec->x0, levelno);
|
|
res->y0 = int_ceildivpow2(tilec->y0, levelno);
|
|
res->x1 = int_ceildivpow2(tilec->x1, levelno);
|
|
res->y1 = int_ceildivpow2(tilec->y1, levelno);
|
|
|
|
res->numbands = resno == 0 ? 1 : 3;
|
|
/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
|
|
if (tccp->csty & J2K_CCP_CSTY_PRT) {
|
|
pdx = tccp->prcw[resno];
|
|
pdy = tccp->prch[resno];
|
|
} else {
|
|
pdx = 15;
|
|
pdy = 15;
|
|
}
|
|
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
|
|
tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
|
|
tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
|
|
brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
|
|
brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
|
|
res->pw = (brprcxend - tlprcxstart) >> pdx;
|
|
res->ph = (brprcyend - tlprcystart) >> pdy;
|
|
|
|
if (resno == 0) {
|
|
tlcbgxstart = tlprcxstart;
|
|
tlcbgystart = tlprcystart;
|
|
brcbgxend = brprcxend;
|
|
brcbgyend = brprcyend;
|
|
cbgwidthexpn = pdx;
|
|
cbgheightexpn = pdy;
|
|
} else {
|
|
tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
|
|
tlcbgystart = int_ceildivpow2(tlprcystart, 1);
|
|
brcbgxend = int_ceildivpow2(brprcxend, 1);
|
|
brcbgyend = int_ceildivpow2(brprcyend, 1);
|
|
cbgwidthexpn = pdx - 1;
|
|
cbgheightexpn = pdy - 1;
|
|
}
|
|
|
|
cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
|
|
cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
|
|
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
int x0b, y0b;
|
|
int gain, numbps;
|
|
j2k_stepsize_t *ss;
|
|
tcd_band_t *band = &res->bands[bandno];
|
|
band->bandno = resno == 0 ? 0 : bandno + 1;
|
|
x0b = (band->bandno == 1)
|
|
|| (band->bandno == 3) ? 1 : 0;
|
|
y0b = (band->bandno == 2)
|
|
|| (band->bandno == 3) ? 1 : 0;
|
|
|
|
if (band->bandno == 0) {
|
|
/* band border (global) */
|
|
band->x0 = int_ceildivpow2(tilec->x0, levelno);
|
|
band->y0 = int_ceildivpow2(tilec->y0, levelno);
|
|
band->x1 = int_ceildivpow2(tilec->x1, levelno);
|
|
band->y1 = int_ceildivpow2(tilec->y1, levelno);
|
|
} else {
|
|
/* band border (global) */
|
|
band->x0 =
|
|
int_ceildivpow2(tilec->x0 -
|
|
(1 << levelno) * x0b, levelno + 1);
|
|
band->y0 =
|
|
int_ceildivpow2(tilec->y0 -
|
|
(1 << levelno) * y0b, levelno + 1);
|
|
band->x1 =
|
|
int_ceildivpow2(tilec->x1 -
|
|
(1 << levelno) * x0b, levelno + 1);
|
|
band->y1 =
|
|
int_ceildivpow2(tilec->y1 -
|
|
(1 << levelno) * y0b, levelno + 1);
|
|
}
|
|
|
|
ss = &tccp->stepsizes[resno ==
|
|
0 ? 0 : 3 * (resno - 1) + bandno + 1];
|
|
gain =
|
|
tccp->qmfbid ==
|
|
0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
|
|
numbps = img->comps[compno].prec + gain;
|
|
band->stepsize =
|
|
(int) floor((1.0 + ss->mant / 2048.0) *
|
|
pow(2.0, numbps - ss->expn) * 8192.0);
|
|
band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
|
|
|
|
band->precincts =
|
|
(tcd_precinct_t *) malloc(res->pw * res->ph *
|
|
sizeof(tcd_precinct_t));
|
|
|
|
for (precno = 0; precno < res->pw * res->ph; precno++) {
|
|
int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
|
|
int cbgxstart =
|
|
tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
|
|
int cbgystart =
|
|
tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
|
|
int cbgxend = cbgxstart + (1 << cbgwidthexpn);
|
|
int cbgyend = cbgystart + (1 << cbgheightexpn);
|
|
tcd_precinct_t *prc = &band->precincts[precno];
|
|
/* precinct size (global) */
|
|
prc->x0 = int_max(cbgxstart, band->x0);
|
|
prc->y0 = int_max(cbgystart, band->y0);
|
|
prc->x1 = int_min(cbgxend, band->x1);
|
|
prc->y1 = int_min(cbgyend, band->y1);
|
|
|
|
tlcblkxstart =
|
|
int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
|
|
tlcblkystart =
|
|
int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
|
|
brcblkxend =
|
|
int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
|
|
brcblkyend =
|
|
int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
|
|
prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
|
|
prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
|
|
|
|
prc->cblks =
|
|
(tcd_cblk_t *) malloc(prc->cw * prc->ch *
|
|
sizeof(tcd_cblk_t));
|
|
|
|
prc->incltree = tgt_create(prc->cw, prc->ch);
|
|
prc->imsbtree = tgt_create(prc->cw, prc->ch);
|
|
|
|
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
|
|
int cblkxstart =
|
|
tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
|
|
int cblkystart =
|
|
tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
|
|
int cblkxend = cblkxstart + (1 << cblkwidthexpn);
|
|
int cblkyend = cblkystart + (1 << cblkheightexpn);
|
|
tcd_cblk_t *cblk = &prc->cblks[cblkno];
|
|
/* code-block size (global) */
|
|
cblk->x0 = int_max(cblkxstart, prc->x0);
|
|
cblk->y0 = int_max(cblkystart, prc->y0);
|
|
cblk->x1 = int_min(cblkxend, prc->x1);
|
|
cblk->y1 = int_min(cblkyend, prc->y1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* tcd_dump(&tcd_image,0); */
|
|
|
|
|
|
/* Allocate place to store the date decoded = fianl image */
|
|
/* Place limited by the tile really present in the codestream */
|
|
for (i = 0; i < img->numcomps; i++) {
|
|
for (j = 0; j < cp->tileno_size; j++) {
|
|
tileno = cp->tileno[j];
|
|
x0 = j == 0 ? tcd_image.tiles[tileno].x0 : int_min(x0,
|
|
tcd_image.
|
|
tiles[tileno].x0);
|
|
y0 = j == 0 ? tcd_image.tiles[tileno].y0 : int_min(y0,
|
|
tcd_image.
|
|
tiles[tileno].y0);
|
|
x1 = j == 0 ? tcd_image.tiles[tileno].x1 : int_max(x1,
|
|
tcd_image.
|
|
tiles[tileno].x1);
|
|
y1 = j == 0 ? tcd_image.tiles[tileno].y1 : int_max(y1,
|
|
tcd_image.
|
|
tiles[tileno].y1);
|
|
}
|
|
w = int_ceildiv(x1 - x0, img->comps[i].dx);
|
|
h = int_ceildiv(y1 - y0, img->comps[i].dy);
|
|
img->comps[i].data = (int *) calloc(w * h, sizeof(int));
|
|
img->comps[i].w = w;
|
|
img->comps[i].h = h;
|
|
img->comps[i].x0 = x0;
|
|
img->comps[i].y0 = y0;
|
|
}
|
|
|
|
}
|
|
|
|
void tcd_makelayer_fixed(int layno, int final)
|
|
{
|
|
int compno, resno, bandno, precno, cblkno;
|
|
int value; //, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3];
|
|
int matrice[10][10][3];
|
|
int i, j, k;
|
|
|
|
/*matrice=(int*)malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
|
|
|
|
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
|
|
tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
|
|
for (i = 0; i < tcd_tcp->numlayers; i++) {
|
|
for (j = 0; j < tilec->numresolutions; j++) {
|
|
for (k = 0; k < 3; k++) {
|
|
matrice[i][j][k] =
|
|
(int) (tcd_cp->
|
|
matrice[i * tilec->numresolutions * 3 +
|
|
j * 3 +
|
|
k] *
|
|
(float) (tcd_img->comps[compno].prec / 16.0));
|
|
}}}
|
|
|
|
for (resno = 0; resno < tilec->numresolutions; resno++) {
|
|
tcd_resolution_t *res = &tilec->resolutions[resno];
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
tcd_band_t *band = &res->bands[bandno];
|
|
for (precno = 0; precno < res->pw * res->ph; precno++) {
|
|
tcd_precinct_t *prc = &band->precincts[precno];
|
|
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
|
|
tcd_cblk_t *cblk = &prc->cblks[cblkno];
|
|
tcd_layer_t *layer = &cblk->layers[layno];
|
|
int n;
|
|
int imsb = tcd_img->comps[compno].prec - cblk->numbps; /* number of bit-plan equal to zero */
|
|
/* Correction of the matrix of coefficient to include the IMSB information */
|
|
|
|
if (layno == 0) {
|
|
value = matrice[layno][resno][bandno];
|
|
if (imsb >= value)
|
|
value = 0;
|
|
else
|
|
value -= imsb;
|
|
} else {
|
|
value =
|
|
matrice[layno][resno][bandno] -
|
|
matrice[layno - 1][resno][bandno];
|
|
if (imsb >= matrice[layno - 1][resno][bandno]) {
|
|
value -= (imsb - matrice[layno - 1][resno][bandno]);
|
|
if (value < 0)
|
|
value = 0;
|
|
}
|
|
}
|
|
|
|
if (layno == 0)
|
|
cblk->numpassesinlayers = 0;
|
|
|
|
n = cblk->numpassesinlayers;
|
|
if (cblk->numpassesinlayers == 0) {
|
|
if (value != 0)
|
|
n = 3 * value - 2 + cblk->numpassesinlayers;
|
|
else
|
|
n = cblk->numpassesinlayers;
|
|
} else
|
|
n = 3 * value + cblk->numpassesinlayers;
|
|
|
|
layer->numpasses = n - cblk->numpassesinlayers;
|
|
|
|
if (!layer->numpasses)
|
|
continue;
|
|
|
|
if (cblk->numpassesinlayers == 0) {
|
|
layer->len = cblk->passes[n - 1].rate;
|
|
layer->data = cblk->data;
|
|
} else {
|
|
layer->len =
|
|
cblk->passes[n - 1].rate -
|
|
cblk->passes[cblk->numpassesinlayers - 1].rate;
|
|
layer->data =
|
|
cblk->data +
|
|
cblk->passes[cblk->numpassesinlayers - 1].rate;
|
|
}
|
|
if (final)
|
|
cblk->numpassesinlayers = n;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void tcd_rateallocate_fixed()
|
|
{
|
|
int layno;
|
|
|
|
for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
|
|
tcd_makelayer_fixed(layno, 1);
|
|
}
|
|
}
|
|
|
|
void tcd_makelayer(int layno, double thresh, int final)
|
|
{
|
|
int compno, resno, bandno, precno, cblkno, passno;
|
|
|
|
tcd_tile->distolayer[layno] = 0; //add fixed_quality
|
|
|
|
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
|
|
tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
|
|
for (resno = 0; resno < tilec->numresolutions; resno++) {
|
|
tcd_resolution_t *res = &tilec->resolutions[resno];
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
tcd_band_t *band = &res->bands[bandno];
|
|
for (precno = 0; precno < res->pw * res->ph; precno++) {
|
|
tcd_precinct_t *prc = &band->precincts[precno];
|
|
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
|
|
tcd_cblk_t *cblk = &prc->cblks[cblkno];
|
|
tcd_layer_t *layer = &cblk->layers[layno];
|
|
int n;
|
|
|
|
if (layno == 0) {
|
|
cblk->numpassesinlayers = 0;
|
|
}
|
|
n = cblk->numpassesinlayers;
|
|
for (passno = cblk->numpassesinlayers;
|
|
passno < cblk->totalpasses; passno++) {
|
|
int dr;
|
|
double dd;
|
|
tcd_pass_t *pass = &cblk->passes[passno];
|
|
if (n == 0) {
|
|
dr = pass->rate;
|
|
dd = pass->distortiondec;
|
|
} else {
|
|
dr = pass->rate - cblk->passes[n - 1].rate;
|
|
dd = pass->distortiondec - cblk->passes[n -
|
|
1].distortiondec;
|
|
}
|
|
if (dr == 0) {
|
|
if (dd != 0)
|
|
n = passno + 1;
|
|
continue;
|
|
}
|
|
if (dd / dr > thresh)
|
|
n = passno + 1;
|
|
}
|
|
layer->numpasses = n - cblk->numpassesinlayers;
|
|
|
|
if (!layer->numpasses) {
|
|
layer->disto = 0;
|
|
continue;
|
|
}
|
|
|
|
if (cblk->numpassesinlayers == 0) {
|
|
layer->len = cblk->passes[n - 1].rate;
|
|
layer->data = cblk->data;
|
|
layer->disto = cblk->passes[n - 1].distortiondec;
|
|
} else {
|
|
layer->len = cblk->passes[n - 1].rate -
|
|
cblk->passes[cblk->numpassesinlayers - 1].rate;
|
|
layer->data =
|
|
cblk->data +
|
|
cblk->passes[cblk->numpassesinlayers - 1].rate;
|
|
layer->disto =
|
|
cblk->passes[n - 1].distortiondec -
|
|
cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
|
|
}
|
|
|
|
tcd_tile->distolayer[layno] += layer->disto; //add fixed_quality
|
|
|
|
if (final)
|
|
cblk->numpassesinlayers = n;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void tcd_rateallocate(unsigned char *dest, int len, info_image * info_IM)
|
|
{
|
|
int compno, resno, bandno, precno, cblkno, passno, layno;
|
|
double min, max;
|
|
double cumdisto[100]; //add fixed_quality
|
|
const double K = 1; // 1.1; //add fixed_quality
|
|
double maxSE = 0;
|
|
min = DBL_MAX;
|
|
max = 0;
|
|
|
|
tcd_tile->nbpix = 0; //add fixed_quality
|
|
|
|
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
|
|
tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
|
|
tilec->nbpix = 0;
|
|
for (resno = 0; resno < tilec->numresolutions; resno++) {
|
|
tcd_resolution_t *res = &tilec->resolutions[resno];
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
tcd_band_t *band = &res->bands[bandno];
|
|
for (precno = 0; precno < res->pw * res->ph; precno++) {
|
|
tcd_precinct_t *prc = &band->precincts[precno];
|
|
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
|
|
tcd_cblk_t *cblk = &prc->cblks[cblkno];
|
|
for (passno = 0; passno < cblk->totalpasses; passno++) {
|
|
tcd_pass_t *pass = &cblk->passes[passno];
|
|
int dr;
|
|
double dd, rdslope;
|
|
if (passno == 0) {
|
|
dr = pass->rate;
|
|
dd = pass->distortiondec;
|
|
} else {
|
|
dr = pass->rate - cblk->passes[passno - 1].rate;
|
|
dd = pass->distortiondec -
|
|
cblk->passes[passno - 1].distortiondec;
|
|
}
|
|
if (dr == 0) {
|
|
continue;
|
|
}
|
|
rdslope = dd / dr;
|
|
if (rdslope < min) {
|
|
min = rdslope;
|
|
}
|
|
if (rdslope > max) {
|
|
max = rdslope;
|
|
}
|
|
} /* passno */
|
|
|
|
tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0)); //add fixed_quality
|
|
tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0)); //add fixed_quality
|
|
|
|
} /* cbklno */
|
|
} /* precno */
|
|
} /* bandno */
|
|
} /* resno */
|
|
maxSE+=(double)(((1<<tcd_img->comps[compno].prec)-1)*((1<<tcd_img->comps[compno].prec)-1))*(tilec->nbpix);
|
|
} /* compno */
|
|
|
|
/* add antonin index */
|
|
if (info_IM->index_on) {
|
|
info_tile *info_TL = &info_IM->tile[tcd_tileno];
|
|
info_TL->nbpix = tcd_tile->nbpix;
|
|
info_TL->distotile = tcd_tile->distotile;
|
|
info_TL->thresh =
|
|
(double *) malloc(tcd_tcp->numlayers * sizeof(double));
|
|
}
|
|
/* dda */
|
|
|
|
for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
|
|
volatile double lo = min;
|
|
volatile double hi = max;
|
|
volatile int success = 0;
|
|
volatile int maxlen = int_min(tcd_tcp->rates[layno], len);
|
|
volatile double goodthresh;
|
|
volatile int goodlen;
|
|
volatile int i;
|
|
double distotarget; //add fixed_quality
|
|
|
|
distotarget = tcd_tile->distotile - ((K * maxSE) / pow(10, tcd_tcp->distoratio[layno] / 10)); // add fixed_quality
|
|
|
|
for (i = 0; i < 32; i++) {
|
|
volatile double thresh = (lo + hi) / 2;
|
|
int l=0;
|
|
double distoachieved = 0; // add fixed_quality
|
|
|
|
tcd_makelayer(layno, thresh, 0);
|
|
|
|
if (tcd_cp->fixed_quality) { // add fixed_quality
|
|
distoachieved =
|
|
layno ==
|
|
0 ? tcd_tile->distolayer[0] : cumdisto[layno - 1] +
|
|
tcd_tile->distolayer[layno];
|
|
if (distoachieved < distotarget) {
|
|
hi = thresh;
|
|
continue;
|
|
}
|
|
lo = thresh;
|
|
} else {
|
|
l =
|
|
t2_encode_packets(tcd_img, tcd_cp, tcd_tileno, tcd_tile,
|
|
layno + 1, dest, maxlen, info_IM);
|
|
/* fprintf(stderr, "rate alloc: len=%d, max=%d\n", l, maxlen); */
|
|
if (l == -999) {
|
|
lo = thresh;
|
|
continue;
|
|
}
|
|
hi = thresh;
|
|
}
|
|
|
|
success = 1;
|
|
goodthresh = thresh;
|
|
goodlen = l;
|
|
|
|
}
|
|
|
|
if (!success) {
|
|
longjmp(j2k_error, 1);
|
|
}
|
|
|
|
if (info_IM->index_on) { /* Threshold for Marcela Index */
|
|
info_IM->tile[tcd_tileno].thresh[layno] = goodthresh;
|
|
}
|
|
tcd_makelayer(layno, goodthresh, 1);
|
|
cumdisto[layno] =
|
|
layno ==
|
|
0 ? tcd_tile->distolayer[0] : cumdisto[layno - 1] +
|
|
tcd_tile->distolayer[layno]; // add fixed_quality
|
|
}
|
|
}
|
|
|
|
int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
|
|
info_image * info_IM)
|
|
{
|
|
int compno;
|
|
int l,i;
|
|
clock_t time7;
|
|
tcd_tile_t *tile;
|
|
j2k_tcp_t *tcp = &tcd_cp->tcps[0];
|
|
j2k_tccp_t *tccp = &tcp->tccps[0];
|
|
|
|
tcd_tileno = tileno;
|
|
tcd_tile = tcd_image.tiles;
|
|
tcd_tcp = &tcd_cp->tcps[tileno];
|
|
tile = tcd_tile;
|
|
/* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
|
|
if (info_IM->index_on) {
|
|
tcd_tilecomp_t *tilec_idx = &tile->comps[0]; //Based on Component 0
|
|
for (i=0;i<tilec_idx->numresolutions;i++) {
|
|
tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
|
|
|
|
info_IM->tile[tileno].pw[i] = res_idx->pw;
|
|
info_IM->tile[tileno].ph[i] = res_idx->ph;
|
|
|
|
info_IM->tile[tileno].pdx[i] = tccp->prcw[i];
|
|
info_IM->tile[tileno].pdy[i] = tccp->prch[i];
|
|
}
|
|
}
|
|
/* << INDEX */
|
|
|
|
/*---------------TILE-------------------*/
|
|
|
|
time7 = clock();
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
FILE *src;
|
|
char tmp[256];
|
|
int k;
|
|
unsigned char elmt;
|
|
int i, j;
|
|
int tw, w;
|
|
tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
int adjust =
|
|
tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
|
|
prec - 1);
|
|
int offset_x, offset_y;
|
|
|
|
offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
|
|
offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
|
|
tw = tilec->x1 - tilec->x0;
|
|
w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
|
|
sprintf(tmp, "Compo%d", compno); /* component file */
|
|
src = fopen(tmp, "rb");
|
|
if (!src) {
|
|
fprintf(stderr, "failed to open %s for reading\n", tmp);
|
|
return 1;
|
|
}
|
|
|
|
/* read the Compo file to extract data of the tile */
|
|
k = 0;
|
|
fseek(src, (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w,
|
|
SEEK_SET);
|
|
k = (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w;
|
|
for (j = tilec->y0; j < tilec->y1; j++) {
|
|
for (i = tilec->x0; i < tilec->x1; i++) {
|
|
if (tcd_tcp->tccps[compno].qmfbid == 1) {
|
|
elmt = fgetc(src);
|
|
tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
|
|
elmt - adjust;
|
|
k++;
|
|
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
|
|
elmt = fgetc(src);
|
|
tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
|
|
(elmt - adjust) << 13;
|
|
k++;
|
|
}
|
|
}
|
|
fseek(src, (tilec->x0 - offset_x) + (j + 1 - offset_y) * w - k,
|
|
SEEK_CUR);
|
|
k = tilec->x0 - offset_x + (j + 1 - offset_y) * w;
|
|
|
|
}
|
|
fclose(src);
|
|
}
|
|
|
|
/*----------------MCT-------------------*/
|
|
|
|
if (tcd_tcp->mct) {
|
|
if (tcd_tcp->tccps[0].qmfbid == 0) {
|
|
mct_encode_real(tile->comps[0].data, tile->comps[1].data,
|
|
tile->comps[2].data,
|
|
(tile->comps[0].x1 -
|
|
tile->comps[0].x0) * (tile->comps[0].y1 -
|
|
tile->comps[0].y0));
|
|
} else {
|
|
mct_encode(tile->comps[0].data, tile->comps[1].data,
|
|
tile->comps[2].data,
|
|
(tile->comps[0].x1 -
|
|
tile->comps[0].x0) * (tile->comps[0].y1 -
|
|
tile->comps[0].y0));
|
|
}
|
|
}
|
|
/*----------------DWT---------------------*/
|
|
|
|
/* time3=clock(); */
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
if (tcd_tcp->tccps[compno].qmfbid == 1) {
|
|
dwt_encode(tilec->data, tilec->x1 - tilec->x0,
|
|
tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
|
|
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
|
|
dwt_encode_real(tilec->data, tilec->x1 - tilec->x0,
|
|
tilec->y1 - tilec->y0, tilec,
|
|
tilec->numresolutions - 1);
|
|
}
|
|
}
|
|
/*------------------TIER1-----------------*/
|
|
|
|
t1_init_luts();
|
|
t1_encode_cblks(tile, tcd_tcp);
|
|
|
|
/*-----------RATE-ALLOCATE------------------*/
|
|
info_IM->index_write = 0; /* INDEX */
|
|
|
|
if (tcd_cp->disto_alloc || tcd_cp->fixed_quality) // mod fixed_quality
|
|
/* Normal Rate/distortion allocation */
|
|
tcd_rateallocate(dest, len, info_IM);
|
|
else
|
|
/* Fixed layer allocation */
|
|
tcd_rateallocate_fixed();
|
|
|
|
/*--------------TIER2------------------*/
|
|
info_IM->index_write = 1; /* INDEX */
|
|
l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile,
|
|
tcd_tcp->numlayers, dest, len, info_IM);
|
|
/*---------------CLEAN-------------------*/
|
|
|
|
time7 = clock() - time7;
|
|
printf("total: %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC,
|
|
(time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
|
|
|
|
/* cleaning memory */
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
tilec = &tile->comps[compno];
|
|
free(tilec->data);
|
|
}
|
|
|
|
return l;
|
|
}
|
|
|
|
int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len,
|
|
info_image * info_IM)
|
|
{
|
|
int compno;
|
|
int l,i;
|
|
clock_t time;
|
|
tcd_tile_t *tile;
|
|
j2k_tcp_t *tcp = &tcd_cp->tcps[0];
|
|
j2k_tccp_t *tccp = &tcp->tccps[0];
|
|
|
|
tcd_tileno = tileno;
|
|
tcd_tile = tcd_image.tiles;
|
|
tcd_tcp = &tcd_cp->tcps[tileno];
|
|
tile = tcd_tile;
|
|
/* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
|
|
if (info_IM->index_on) {
|
|
tcd_tilecomp_t *tilec_idx = &tile->comps[0]; //Based on Component 0
|
|
for (i=0;i<tilec_idx->numresolutions;i++) {
|
|
tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
|
|
|
|
info_IM->tile[tileno].pw[i] = res_idx->pw;
|
|
info_IM->tile[tileno].ph[i] = res_idx->ph;
|
|
|
|
info_IM->tile[tileno].pdx[i] = tccp->prcw[i];
|
|
info_IM->tile[tileno].pdy[i] = tccp->prch[i];
|
|
}
|
|
}
|
|
/* << INDEX */
|
|
/*---------------TILE-------------------*/
|
|
time = clock();
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
FILE *src;
|
|
char tmp[256];
|
|
int k;
|
|
int elmt;
|
|
int i, j;
|
|
int tw, w;
|
|
tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
int adjust =
|
|
tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
|
|
prec - 1);
|
|
int offset_x, offset_y;
|
|
|
|
offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
|
|
offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
|
|
tw = tilec->x1 - tilec->x0;
|
|
w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
|
|
sprintf(tmp, "bandtile%d", tileno / tcd_cp->tw + 1); /* bandtile file opening */
|
|
src = fopen(tmp, "rb");
|
|
if (!src) {
|
|
fprintf(stderr, "failed to open %s for reading\n", tmp);
|
|
return 1;
|
|
}
|
|
/* Extract data from bandtile file limited to the current tile */
|
|
k = 0;
|
|
while (k < tilec->x0 - offset_x) {
|
|
k++;
|
|
fscanf(src, "%d", &elmt);
|
|
}
|
|
|
|
for (j = 0; j < tilec->y1 - tilec->y0; j++) {
|
|
for (i = tilec->x0; i < tilec->x1; i++) {
|
|
if (tcd_tcp->tccps[compno].qmfbid == 1) {
|
|
fscanf(src, "%d", &elmt);
|
|
tilec->data[i - tilec->x0 + (j) * tw] = elmt - adjust;
|
|
k++;
|
|
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
|
|
fscanf(src, "%d", &elmt);
|
|
tilec->data[i - tilec->x0 + (j) * tw] = (elmt - adjust) << 13;
|
|
k++;
|
|
}
|
|
}
|
|
while (k < tilec->x0 - offset_x + (j + 1) * w) {
|
|
k++;
|
|
fscanf(src, "%d", &elmt);
|
|
}
|
|
}
|
|
fclose(src);
|
|
}
|
|
|
|
/*----------------MCT-------------------*/
|
|
|
|
if (tcd_tcp->mct) {
|
|
if (tcd_tcp->tccps[0].qmfbid == 0) {
|
|
mct_encode_real(tile->comps[0].data, tile->comps[1].data,
|
|
tile->comps[2].data,
|
|
(tile->comps[0].x1 -
|
|
tile->comps[0].x0) * (tile->comps[0].y1 -
|
|
tile->comps[0].y0));
|
|
} else {
|
|
mct_encode(tile->comps[0].data, tile->comps[1].data,
|
|
tile->comps[2].data,
|
|
(tile->comps[0].x1 -
|
|
tile->comps[0].x0) * (tile->comps[0].y1 -
|
|
tile->comps[0].y0));
|
|
}
|
|
}
|
|
|
|
/*----------------DWT---------------------*/
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
if (tcd_tcp->tccps[compno].qmfbid == 1) {
|
|
dwt_encode(tilec->data, tilec->x1 - tilec->x0,
|
|
tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
|
|
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
|
|
dwt_encode_real(tilec->data, tilec->x1 - tilec->x0,
|
|
tilec->y1 - tilec->y0, tilec,
|
|
tilec->numresolutions - 1);
|
|
}
|
|
}
|
|
|
|
/*------------------TIER1-----------------*/
|
|
|
|
t1_init_luts();
|
|
t1_encode_cblks(tile, tcd_tcp);
|
|
|
|
/*-----------RATE-ALLOCATE------------------*/
|
|
|
|
info_IM->index_write = 0; /* INDEX */
|
|
|
|
if (tcd_cp->disto_alloc || tcd_cp->fixed_quality) // mod fixed_quality
|
|
/* Normal Rate/distortion allocation */
|
|
tcd_rateallocate(dest, len, info_IM);
|
|
else
|
|
/* Fixed layer allocation */
|
|
tcd_rateallocate_fixed();
|
|
|
|
/*--------------TIER2------------------*/
|
|
info_IM->index_write = 1; /* INDEX */
|
|
|
|
l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile,
|
|
tcd_tcp->numlayers, dest, len, info_IM);
|
|
|
|
/*---------------CLEAN-------------------*/
|
|
time = clock() - time;
|
|
printf("total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
|
|
(time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
tilec = &tile->comps[compno];
|
|
free(tilec->data);
|
|
}
|
|
|
|
return l;
|
|
}
|
|
|
|
|
|
int tcd_decode_tile(unsigned char *src, int len, int tileno)
|
|
{
|
|
int l;
|
|
int compno;
|
|
int eof = 0;
|
|
clock_t time;
|
|
tcd_tile_t *tile;
|
|
|
|
tcd_tileno = tileno;
|
|
tcd_tile = &tcd_image.tiles[tileno];
|
|
tcd_tcp = &tcd_cp->tcps[tileno];
|
|
tile = tcd_tile;
|
|
|
|
time = clock();
|
|
|
|
fprintf(stderr, "tile decoding time %d/%d: ", tileno + 1,
|
|
tcd_cp->tw * tcd_cp->th);
|
|
|
|
/*--------------TIER2------------------*/
|
|
|
|
l = t2_decode_packets(src, len, tcd_img, tcd_cp, tileno, tile);
|
|
|
|
if (l == -999) {
|
|
eof = 1;
|
|
fprintf(stderr, "tcd_decode: incomplete bistream\n");
|
|
}
|
|
|
|
/*------------------TIER1-----------------*/
|
|
t1_init_luts();
|
|
t1_decode_cblks(tile, tcd_tcp);
|
|
|
|
/*----------------DWT---------------------*/
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
if (tcd_cp->reduce_on == 1) {
|
|
tcd_img->comps[compno].resno_decoded =
|
|
tile->comps[compno].numresolutions - tcd_cp->reduce_value - 1;
|
|
}
|
|
|
|
|
|
if (tcd_tcp->tccps[compno].qmfbid == 1) {
|
|
dwt_decode(tilec->data, tilec->x1 - tilec->x0,
|
|
tilec->y1 - tilec->y0, tilec,
|
|
tilec->numresolutions - 1,
|
|
tilec->numresolutions - 1 -
|
|
tcd_img->comps[compno].resno_decoded);
|
|
} else {
|
|
dwt_decode_real(tilec->data, tilec->x1 - tilec->x0,
|
|
tilec->y1 - tilec->y0, tilec,
|
|
tilec->numresolutions - 1,
|
|
tilec->numresolutions - 1 -
|
|
tcd_img->comps[compno].resno_decoded);
|
|
}
|
|
|
|
if (tile->comps[compno].numresolutions > 0)
|
|
tcd_img->comps[compno].factor =
|
|
tile->comps[compno].numresolutions -
|
|
(tcd_img->comps[compno].resno_decoded + 1);
|
|
}
|
|
|
|
/*----------------MCT-------------------*/
|
|
|
|
if (tcd_tcp->mct) {
|
|
if (tcd_tcp->tccps[0].qmfbid == 1) {
|
|
mct_decode(tile->comps[0].data, tile->comps[1].data,
|
|
tile->comps[2].data,
|
|
(tile->comps[0].x1 -
|
|
tile->comps[0].x0) * (tile->comps[0].y1 -
|
|
tile->comps[0].y0));
|
|
} else {
|
|
mct_decode_real(tile->comps[0].data, tile->comps[1].data,
|
|
tile->comps[2].data,
|
|
(tile->comps[0].x1 -
|
|
tile->comps[0].x0) * (tile->comps[0].y1 -
|
|
tile->comps[0].y0));
|
|
}
|
|
}
|
|
|
|
/*---------------TILE-------------------*/
|
|
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
tcd_tilecomp_t *tilec = &tile->comps[compno];
|
|
tcd_resolution_t *res =
|
|
&tilec->resolutions[tcd_img->comps[compno].resno_decoded];
|
|
int adjust =
|
|
tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
|
|
prec - 1);
|
|
int min =
|
|
tcd_img->comps[compno].
|
|
sgnd ? -(1 << (tcd_img->comps[compno].prec - 1)) : 0;
|
|
int max =
|
|
tcd_img->comps[compno].
|
|
sgnd ? (1 << (tcd_img->comps[compno].prec - 1)) -
|
|
1 : (1 << tcd_img->comps[compno].prec) - 1;
|
|
|
|
int tw = tilec->x1 - tilec->x0;
|
|
int w = tcd_img->comps[compno].w;
|
|
|
|
int i, j;
|
|
int offset_x = int_ceildivpow2(tcd_img->comps[compno].x0,
|
|
tcd_img->comps[compno].factor);
|
|
int offset_y = int_ceildivpow2(tcd_img->comps[compno].y0,
|
|
tcd_img->comps[compno].factor);
|
|
|
|
for (j = res->y0; j < res->y1; j++) {
|
|
for (i = res->x0; i < res->x1; i++) {
|
|
|
|
int v;
|
|
if (tcd_tcp->tccps[compno].qmfbid == 1) {
|
|
v = tilec->data[i - res->x0 + (j - res->y0) * tw];
|
|
} else {
|
|
v = tilec->data[i - res->x0 + (j - res->y0) * tw] >> 13;
|
|
}
|
|
v += adjust;
|
|
|
|
tcd_img->comps[compno].data[(i - offset_x) +
|
|
(j - offset_y) * w] =
|
|
int_clamp(v, min, max);
|
|
}
|
|
}
|
|
}
|
|
|
|
time = clock() - time;
|
|
fprintf(stderr, "total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
|
|
(time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
|
|
|
|
if (eof) {
|
|
longjmp(j2k_error, 1);
|
|
}
|
|
|
|
return l;
|
|
}
|