+++ /dev/null
-/*
- * The copyright in this software is being made available under the 2-clauses
- * BSD License, included below. This software may be subject to other third
- * party and contributor rights, including patent rights, and no such rights
- * are granted under this license.
- *
- * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
- * Copyright (c) 2002-2014, Professor Benoit Macq
- * Copyright (c) 2001-2003, David Janssens
- * Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2007, Francois-Olivier Devaux
- * Copyright (c) 2003-2014, Antonin Descampe
- * Copyright (c) 2005, Herve Drolon, FreeImage Team
- * Copyright (c) 2006-2007, Parvatha Elangovan
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#define _ISOC99_SOURCE /* lrintf is C99 */
-#include "opj_includes.h"
-
-void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img)
-{
- int tileno, compno, resno, bandno, precno;/*, cblkno;*/
-
- fprintf(fd, "image {\n");
- fprintf(fd, " tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
- img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0,
- tcd->image->y1);
-
- for (tileno = 0; tileno < img->th * img->tw; tileno++) {
- opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
- fprintf(fd, " tile {\n");
- fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
- tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- fprintf(fd, " tilec {\n");
- fprintf(fd,
- " x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
- tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];
- fprintf(fd, "\n res {\n");
- fprintf(fd,
- " 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);
- for (bandno = 0; bandno < res->numbands; bandno++) {
- opj_tcd_band_t *band = &res->bands[bandno];
- fprintf(fd, " band {\n");
- fprintf(fd,
- " x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
- band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- opj_tcd_precinct_t *prec = &band->precincts[precno];
- fprintf(fd, " prec {\n");
- fprintf(fd,
- " 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);
- /*
- for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
- opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
- fprintf(fd, " cblk {\n");
- fprintf(fd,
- " x0=%d, y0=%d, x1=%d, y1=%d\n",
- cblk->x0, cblk->y0, cblk->x1, cblk->y1);
- fprintf(fd, " }\n");
- }
- */
- fprintf(fd, " }\n");
- }
- fprintf(fd, " }\n");
- }
- fprintf(fd, " }\n");
- }
- fprintf(fd, " }\n");
- }
- fprintf(fd, " }\n");
- }
- fprintf(fd, "}\n");
-}
-
-/* ----------------------------------------------------------------------- */
-
-/**
-Create a new TCD handle
-*/
-opj_tcd_t* tcd_create(opj_common_ptr cinfo)
-{
- /* create the tcd structure */
- opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
- if (!tcd) {
- return NULL;
- }
- tcd->cinfo = cinfo;
- tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
- if (!tcd->tcd_image) {
- opj_free(tcd);
- return NULL;
- }
-
- return tcd;
-}
-
-/**
-Destroy a previously created TCD handle
-*/
-void tcd_destroy(opj_tcd_t *tcd)
-{
- if (tcd) {
- opj_free(tcd->tcd_image);
- opj_free(tcd);
- }
-}
-
-/* ----------------------------------------------------------------------- */
-
-void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp,
- int curtileno)
-{
- int tileno, compno, resno, bandno, precno, cblkno;
-
- tcd->image = image;
- tcd->cp = cp;
- tcd->tcd_image->tw = cp->tw;
- tcd->tcd_image->th = cp->th;
- tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
-
- for (tileno = 0; tileno < 1; tileno++) {
- opj_tcp_t *tcp = &cp->tcps[curtileno];
- int j;
-
- /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- int p = curtileno % cp->tw; /* si numerotation matricielle .. */
- int q = curtileno /
- cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
-
- /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
- opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
-
- /* 4 borders of the tile rescale on the image if necessary */
- tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
- tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
- tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
- tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
- tile->numcomps = image->numcomps;
- /* tile->PPT=image->PPT; */
-
- /* Modification of the RATE >> */
- for (j = 0; j < tcp->numlayers; j++) {
- tcp->rates[j] = tcp->rates[j] ?
- cp->tp_on ?
- (((float)(tile->numcomps
- * (tile->x1 - tile->x0)
- * (tile->y1 - tile->y0)
- * image->comps[0].prec))
- / (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((
- tcd->cur_totnum_tp - 1) * 14) / tcp->numlayers)
- :
- ((float)(tile->numcomps
- * (tile->x1 - tile->x0)
- * (tile->y1 - tile->y0)
- * image->comps[0].prec)) /
- (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
- : 0;
-
- if (tcp->rates[j]) {
- 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;
- }
- }
-
- if (j == (tcp->numlayers - 1)) {
- tcp->rates[j] = tcp->rates[j] - 2;
- }
- }
- }
- /* << Modification of the RATE */
-
- tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(
- opj_tcd_tilecomp_t));
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tccp_t *tccp = &tcp->tccps[compno];
-
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
-
- /* border of each tile component (global) */
- tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
- tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
- tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
- tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
-
- tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) *
- (tilec->y1 - tilec->y0) * sizeof(int));
- tilec->numresolutions = tccp->numresolutions;
-
- tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(
- tilec->numresolutions * sizeof(opj_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;
-
- opj_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, i;
- int gain, numbps;
- opj_stepsize_t *ss = NULL;
-
- opj_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 = image->comps[compno].prec + gain;
-
- band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0,
- numbps - ss->expn));
- band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
-
- band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph *
- sizeof(opj_tcd_precinct_t));
-
- for (i = 0; i < res->pw * res->ph * 3; i++) {
- band->precincts[i].imsbtree = NULL;
- band->precincts[i].incltree = NULL;
- band->precincts[i].cblks.enc = NULL;
- }
-
- 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);
-
- opj_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.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch),
- sizeof(opj_tcd_cblk_enc_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);
-
- opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[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);
- cblk->data = (unsigned char*) opj_calloc(9728 + 2, sizeof(unsigned char));
- /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
- cblk->data[0] = 0;
- cblk->data[1] = 0;
- cblk->data += 2;
- cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
- cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
- }
- }
- }
- }
- }
- }
-
- /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
-}
-
-void tcd_free_encode(opj_tcd_t *tcd)
-{
- int tileno, compno, resno, bandno, precno, cblkno;
-
- for (tileno = 0; tileno < 1; tileno++) {
- opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
-
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];
-
- for (bandno = 0; bandno < res->numbands; bandno++) {
- opj_tcd_band_t *band = &res->bands[bandno];
-
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- opj_tcd_precinct_t *prc = &band->precincts[precno];
-
- if (prc->incltree != NULL) {
- tgt_destroy(prc->incltree);
- prc->incltree = NULL;
- }
- if (prc->imsbtree != NULL) {
- tgt_destroy(prc->imsbtree);
- prc->imsbtree = NULL;
- }
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- opj_free(prc->cblks.enc[cblkno].data - 2);
- opj_free(prc->cblks.enc[cblkno].layers);
- opj_free(prc->cblks.enc[cblkno].passes);
- }
- opj_free(prc->cblks.enc);
- } /* for (precno */
- opj_free(band->precincts);
- band->precincts = NULL;
- } /* for (bandno */
- } /* for (resno */
- opj_free(tilec->resolutions);
- tilec->resolutions = NULL;
- } /* for (compno */
- opj_free(tile->comps);
- tile->comps = NULL;
- } /* for (tileno */
- opj_free(tcd->tcd_image->tiles);
- tcd->tcd_image->tiles = NULL;
-}
-
-void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp,
- int curtileno)
-{
- int tileno, compno, resno, bandno, precno, cblkno;
-
- for (tileno = 0; tileno < 1; tileno++) {
- opj_tcp_t *tcp = &cp->tcps[curtileno];
- int j;
- /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- int p = curtileno % cp->tw;
- int q = curtileno / cp->tw;
-
- opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
-
- /* 4 borders of the tile rescale on the image if necessary */
- tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
- tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
- tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
- tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
-
- tile->numcomps = image->numcomps;
- /* tile->PPT=image->PPT; */
-
- /* Modification of the RATE >> */
- for (j = 0; j < tcp->numlayers; j++) {
- tcp->rates[j] = tcp->rates[j] ?
- cp->tp_on ?
- (((float)(tile->numcomps
- * (tile->x1 - tile->x0)
- * (tile->y1 - tile->y0)
- * image->comps[0].prec))
- / (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((
- tcd->cur_totnum_tp - 1) * 14) / tcp->numlayers)
- :
- ((float)(tile->numcomps
- * (tile->x1 - tile->x0)
- * (tile->y1 - tile->y0)
- * image->comps[0].prec)) /
- (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
- : 0;
-
- if (tcp->rates[j]) {
- 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=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tccp_t *tccp = &tcp->tccps[compno];
-
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
-
- /* border of each tile component (global) */
- tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
- tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
- tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
- tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
-
- tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) *
- (tilec->y1 - tilec->y0) * sizeof(int));
- tilec->numresolutions = tccp->numresolutions;
- /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_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;
-
- opj_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;
- opj_stepsize_t *ss = NULL;
-
- opj_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 */
- 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 = image->comps[compno].prec + gain;
- band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0,
- numbps - ss->expn));
- 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);
-
- opj_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;
-
- opj_free(prc->cblks.enc);
- prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch,
- sizeof(opj_tcd_cblk_enc_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);
-
- opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[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);
- cblk->data = (unsigned char*) opj_calloc(8192 + 2, sizeof(unsigned char));
- /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
- cblk->data[0] = 0;
- cblk->data[1] = 0;
- cblk->data += 2;
- cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
- cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
- }
- } /* precno */
- } /* bandno */
- } /* resno */
- } /* compno */
- } /* tileno */
-
- /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
-}
-
-void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp)
-{
- int i, j, tileno, p, q;
- unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
-
- tcd->image = image;
- tcd->tcd_image->tw = cp->tw;
- tcd->tcd_image->th = cp->th;
- tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_calloc(cp->tw * cp->th,
- sizeof(opj_tcd_tile_t));
-
- /*
- Allocate place to store the decoded data = final image
- Place limited by the tile really present in the codestream
- */
-
- for (j = 0; j < cp->tileno_size; j++) {
- opj_tcd_tile_t *tile;
-
- tileno = cp->tileno[j];
- tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
- tile->numcomps = image->numcomps;
- tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps,
- sizeof(opj_tcd_tilecomp_t));
- }
-
- for (i = 0; i < image->numcomps; i++) {
- for (j = 0; j < cp->tileno_size; j++) {
- opj_tcd_tile_t *tile;
- opj_tcd_tilecomp_t *tilec;
-
- /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
-
- tileno = cp->tileno[j];
-
- tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
- tilec = &tile->comps[i];
-
- 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, image->x0);
- tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
- tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
- tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
-
- tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
- tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
- tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
- tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
-
- x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
- y0 = j == 0 ? tilec->y0 : int_min(y0, (unsigned int) tilec->y0);
- x1 = j == 0 ? tilec->x1 : int_max(x1, (unsigned int) tilec->x1);
- y1 = j == 0 ? tilec->y1 : int_max(y1, (unsigned int) tilec->y1);
- }
-
- w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
- h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
-
- image->comps[i].w = w;
- image->comps[i].h = h;
- image->comps[i].x0 = x0;
- image->comps[i].y0 = y0;
- }
-}
-
-void tcd_malloc_decode_tile(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp,
- int tileno, opj_codestream_info_t *cstr_info)
-{
- int compno, resno, bandno, precno, cblkno;
- opj_tcp_t *tcp;
- opj_tcd_tile_t *tile;
-
- OPJ_ARG_NOT_USED(cstr_info);
-
- tcd->cp = cp;
-
- tcp = &(cp->tcps[cp->tileno[tileno]]);
- tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
-
- tileno = cp->tileno[tileno];
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tccp_t *tccp = &tcp->tccps[compno];
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
-
- if (tccp->numresolutions <= 0) {
- cp->tileno[tileno] = -1;
- return;
- }
-
- /* border of each tile component (global) */
- tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
- tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
- tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
- tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
-
- tilec->numresolutions = tccp->numresolutions;
- tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(
- tilec->numresolutions * sizeof(opj_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;
-
- opj_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 = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
- res->ph = (res->y0 == res->y1) ? 0 : ((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;
- opj_stepsize_t *ss = NULL;
-
- opj_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 = image->comps[compno].prec + gain;
- band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0,
- numbps - ss->expn)) * 0.5);
- band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
-
- band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(
- opj_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);
-
- opj_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.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(
- opj_tcd_cblk_dec_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);
-
- opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
- cblk->data = NULL;
- cblk->segs = NULL;
- /* 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);
- cblk->numsegs = 0;
- }
- } /* precno */
- } /* bandno */
- } /* resno */
- } /* compno */
- /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
-}
-
-void tcd_makelayer_fixed(opj_tcd_t *tcd, 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;
-
- opj_cp_t *cp = tcd->cp;
- opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
- opj_tcp_t *tcd_tcp = tcd->tcp;
-
- /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
-
- for (compno = 0; compno < tcd_tile->numcomps; compno++) {
- opj_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)(cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
- * (float)(tcd->image->comps[compno].prec / 16.0));
- }
- }
- }
-
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- opj_tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- opj_tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
- opj_tcd_layer_t *layer = &cblk->layers[layno];
- int n;
- int imsb = tcd->image->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(opj_tcd_t *tcd)
-{
- int layno;
- for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
- tcd_makelayer_fixed(tcd, layno, 1);
- }
-}
-
-void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final)
-{
- int compno, resno, bandno, precno, cblkno, passno;
-
- opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
-
- tcd_tile->distolayer[layno] = 0; /* fixed_quality */
-
- for (compno = 0; compno < tcd_tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- opj_tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- opj_tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
- opj_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;
- opj_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) {
- 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; /* fixed_quality */
-
- if (final) {
- cblk->numpassesinlayers = n;
- }
- }
- }
- }
- }
- }
-}
-
-opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len,
- opj_codestream_info_t *cstr_info)
-{
- int compno, resno, bandno, precno, cblkno, passno, layno;
- double min, max;
- double cumdisto[100]; /* fixed_quality */
- const double K = 1; /* 1.1; fixed_quality */
- double maxSE = 0;
-
- opj_cp_t *cp = tcd->cp;
- opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
- opj_tcp_t *tcd_tcp = tcd->tcp;
-
- min = DBL_MAX;
- max = 0;
-
- tcd_tile->numpix = 0; /* fixed_quality */
-
- for (compno = 0; compno < tcd_tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
- tilec->numpix = 0;
-
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];
-
- for (bandno = 0; bandno < res->numbands; bandno++) {
- opj_tcd_band_t *band = &res->bands[bandno];
-
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- opj_tcd_precinct_t *prc = &band->precincts[precno];
-
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
-
- for (passno = 0; passno < cblk->totalpasses; passno++) {
- opj_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 */
-
- /* fixed_quality */
- tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
- tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
- } /* cbklno */
- } /* precno */
- } /* bandno */
- } /* resno */
-
- maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
- * ((double)(1 << tcd->image->comps[compno].prec) - 1.0))
- * ((double)(tilec->numpix));
- } /* compno */
-
- /* index file */
- if (cstr_info) {
- opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
- tile_info->numpix = tcd_tile->numpix;
- tile_info->distotile = tcd_tile->distotile;
- tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
- }
-
- for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
- double lo = min;
- double hi = max;
- int success = 0;
- int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(
- tcd_tcp->rates[layno])), len) : len;
- double goodthresh = 0;
- double stable_thresh = 0;
- int i;
- double distotarget; /* fixed_quality */
-
- /* fixed_quality */
- distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10,
- tcd_tcp->distoratio[layno] / 10));
-
- /* Don't try to find an optimal threshold but rather take everything not included yet, if
- -r xx,yy,zz,0 (disto_alloc == 1 and rates == 0)
- -q xx,yy,zz,0 (fixed_quality == 1 and distoratio == 0)
- ==> possible to have some lossy layers and the last layer for sure lossless */
- if (((cp->disto_alloc == 1) && (tcd_tcp->rates[layno] > 0)) ||
- ((cp->fixed_quality == 1) && (tcd_tcp->distoratio[layno] > 0))) {
- opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
- double thresh = 0;
-
- for (i = 0; i < 128; i++) {
- int l = 0;
- double distoachieved = 0; /* fixed_quality */
- thresh = (lo + hi) / 2;
-
- tcd_makelayer(tcd, layno, thresh, 0);
-
- if (cp->fixed_quality) { /* fixed_quality */
- if (cp->cinema) {
- l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen,
- cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino, THRESH_CALC,
- tcd->cur_totnum_tp);
- if (l == -999) {
- lo = thresh;
- continue;
- } else {
- distoachieved = layno == 0 ?
- tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
- if (distoachieved < distotarget) {
- hi = thresh;
- stable_thresh = thresh;
- continue;
- } else {
- lo = thresh;
- }
- }
- } else {
- distoachieved = (layno == 0) ?
- tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
- if (distoachieved < distotarget) {
- hi = thresh;
- stable_thresh = thresh;
- continue;
- }
- lo = thresh;
- }
- } else {
- l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen,
- cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino, THRESH_CALC,
- tcd->cur_totnum_tp);
- /* TODO: what to do with l ??? seek / tell ??? */
- /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
- if (l == -999) {
- lo = thresh;
- continue;
- }
- hi = thresh;
- stable_thresh = thresh;
- }
- }
- success = 1;
- goodthresh = stable_thresh == 0 ? thresh : stable_thresh;
- t2_destroy(t2);
- } else {
- success = 1;
- goodthresh = min;
- }
-
- if (!success) {
- return OPJ_FALSE;
- }
-
- if (cstr_info) { /* Threshold for Marcela Index */
- cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
- }
- tcd_makelayer(tcd, layno, goodthresh, 1);
-
- /* fixed_quality */
- cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] :
- (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
- }
-
- return OPJ_TRUE;
-}
-
-int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len,
- opj_codestream_info_t *cstr_info)
-{
- int compno;
- int l, i, numpacks = 0;
- opj_tcd_tile_t *tile = NULL;
- opj_tcp_t *tcd_tcp = NULL;
- opj_cp_t *cp = NULL;
-
- opj_tcp_t *tcp = &tcd->cp->tcps[0];
- opj_tccp_t *tccp = &tcp->tccps[0];
- opj_image_t *image = tcd->image;
-
- opj_t1_t *t1 = NULL; /* T1 component */
- opj_t2_t *t2 = NULL; /* T2 component */
-
- tcd->tcd_tileno = tileno;
- tcd->tcd_tile = tcd->tcd_image->tiles;
- tcd->tcp = &tcd->cp->tcps[tileno];
-
- tile = tcd->tcd_tile;
- tcd_tcp = tcd->tcp;
- cp = tcd->cp;
-
- if (tcd->cur_tp_num == 0) {
- tcd->encoding_time = opj_clock(); /* time needed to encode a tile */
- /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
- if (cstr_info) {
- opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* based on component 0 */
- for (i = 0; i < tilec_idx->numresolutions; i++) {
- opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
-
- cstr_info->tile[tileno].pw[i] = res_idx->pw;
- cstr_info->tile[tileno].ph[i] = res_idx->ph;
-
- numpacks += res_idx->pw * res_idx->ph;
-
- cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
- cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
- }
- cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(
- cstr_info->numcomps * cstr_info->numlayers * numpacks,
- sizeof(opj_packet_info_t));
- }
- /* << INDEX */
-
- /*---------------TILE-------------------*/
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- int x, y;
-
- int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec -
- 1);
- int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
- int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
-
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- int tw = tilec->x1 - tilec->x0;
- int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
-
- /* extract tile data */
-
- if (tcd_tcp->tccps[compno].qmfbid == 1) {
- for (y = tilec->y0; y < tilec->y1; y++) {
- /* start of the src tile scanline */
- int *data = &image->comps[compno].data[(tilec->x0 - offset_x) +
- (y - offset_y) * w];
- /* start of the dst tile scanline */
- int *tile_data = &tilec->data[(y - tilec->y0) * tw];
- for (x = tilec->x0; x < tilec->x1; x++) {
- *tile_data++ = *data++ - adjust;
- }
- }
- } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
- for (y = tilec->y0; y < tilec->y1; y++) {
- /* start of the src tile scanline */
- int *data = &image->comps[compno].data[(tilec->x0 - offset_x) +
- (y - offset_y) * w];
- /* start of the dst tile scanline */
- int *tile_data = &tilec->data[(y - tilec->y0) * tw];
- for (x = tilec->x0; x < tilec->x1; x++) {
- *tile_data++ = (*data++ - adjust) << 11;
- }
-
- }
- }
- }
-
- /*----------------MCT-------------------*/
- if (tcd_tcp->mct) {
- int samples = (tile->comps[0].x1 - tile->comps[0].x0) *
- (tile->comps[0].y1 - tile->comps[0].y0);
- if (tcd_tcp->tccps[0].qmfbid == 0) {
- mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
- samples);
- } else {
- mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
- samples);
- }
- }
-
- /*----------------DWT---------------------*/
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- if (tcd_tcp->tccps[compno].qmfbid == 1) {
- dwt_encode(tilec);
- } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
- dwt_encode_real(tilec);
- }
- }
-
- /*------------------TIER1-----------------*/
- t1 = t1_create(tcd->cinfo);
- t1_encode_cblks(t1, tile, tcd_tcp);
- t1_destroy(t1);
-
- /*-----------RATE-ALLOCATE------------------*/
-
- /* INDEX */
- if (cstr_info) {
- cstr_info->index_write = 0;
- }
- if (cp->disto_alloc || cp->fixed_quality) { /* fixed_quality */
- /* Normal Rate/distortion allocation */
- tcd_rateallocate(tcd, dest, len, cstr_info);
- } else {
- /* Fixed layer allocation */
- tcd_rateallocate_fixed(tcd);
- }
- }
- /*--------------TIER2------------------*/
-
- /* INDEX */
- if (cstr_info) {
- cstr_info->index_write = 1;
- }
-
- t2 = t2_create(tcd->cinfo, image, cp);
- l = t2_encode_packets(t2, tileno, tile, tcd_tcp->numlayers, dest, len,
- cstr_info, tcd->tp_num, tcd->tp_pos, tcd->cur_pino, FINAL_PASS,
- tcd->cur_totnum_tp);
- t2_destroy(t2);
-
- /*---------------CLEAN-------------------*/
-
-
- if (tcd->cur_tp_num == tcd->cur_totnum_tp - 1) {
- tcd->encoding_time = opj_clock() - tcd->encoding_time;
- opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n",
- tcd->encoding_time);
-
- /* cleaning memory */
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- opj_aligned_free(tilec->data);
- }
- }
-
- return l;
-}
-
-opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len,
- int tileno, opj_codestream_info_t *cstr_info)
-{
- int l;
- int compno;
- int eof = 0;
- double tile_time, t1_time, dwt_time;
- opj_tcd_tile_t *tile = NULL;
-
- opj_t1_t *t1 = NULL; /* T1 component */
- opj_t2_t *t2 = NULL; /* T2 component */
-
- tcd->tcd_tileno = tileno;
- tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
- tcd->tcp = &(tcd->cp->tcps[tileno]);
- tile = tcd->tcd_tile;
-
- tile_time = opj_clock(); /* time needed to decode a tile */
- opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1,
- tcd->cp->tw * tcd->cp->th);
-
- /* INDEX >> */
- if (cstr_info) {
- int resno, compno, numprec = 0;
- for (compno = 0; compno < cstr_info->numcomps; compno++) {
- opj_tcp_t *tcp = &tcd->cp->tcps[0];
- opj_tccp_t *tccp = &tcp->tccps[compno];
- opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
- for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
- opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
- cstr_info->tile[tileno].pw[resno] = res_idx->pw;
- cstr_info->tile[tileno].ph[resno] = res_idx->ph;
- numprec += res_idx->pw * res_idx->ph;
- if (tccp->csty & J2K_CP_CSTY_PRT) {
- cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
- cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
- } else {
- cstr_info->tile[tileno].pdx[resno] = 15;
- cstr_info->tile[tileno].pdy[resno] = 15;
- }
- }
- }
- cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(
- cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
- cstr_info->packno = 0;
- }
- /* << INDEX */
-
- /*--------------TIER2------------------*/
-
- t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
- l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
- t2_destroy(t2);
-
- if (l == -999) {
- eof = 1;
- opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bitstream\n");
- }
-
- /*------------------TIER1-----------------*/
-
- t1_time = opj_clock(); /* time needed to decode a tile */
- t1 = t1_create(tcd->cinfo);
- if (t1 == NULL) {
- opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
- t1_destroy(t1);
- return OPJ_FALSE;
- }
-
- for (compno = 0; compno < tile->numcomps; ++compno) {
- opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
- /* The +3 is headroom required by the vectorized DWT */
- tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) *
- (tilec->y1 - tilec->y0)) + 3) * sizeof(int));
- if (tilec->data == NULL) {
- opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
- return OPJ_FALSE;
- }
-
- t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
- }
- t1_destroy(t1);
- t1_time = opj_clock() - t1_time;
- opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
-
- /*----------------DWT---------------------*/
-
- dwt_time = opj_clock(); /* time needed to decode a tile */
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- int numres2decode;
-
- if (tcd->cp->reduce != 0) {
- if (tile->comps[compno].numresolutions < (tcd->cp->reduce - 1)) {
- opj_event_msg(tcd->cinfo, EVT_ERROR,
- "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
- " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n",
- tcd->cp->reduce, tile->comps[compno].numresolutions);
- return OPJ_FALSE;
- } else {
- tcd->image->comps[compno].resno_decoded =
- tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
- }
- }
-
- numres2decode = tcd->image->comps[compno].resno_decoded + 1;
- if (numres2decode > 0) {
- if (tcd->tcp->tccps[compno].qmfbid == 1) {
- dwt_decode(tilec, numres2decode);
- } else {
- dwt_decode_real(tilec, numres2decode);
- }
- }
- }
- dwt_time = opj_clock() - dwt_time;
- opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
-
- /*----------------MCT-------------------*/
-
- if (tcd->tcp->mct) {
- int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 -
- tile->comps[0].y0);
-
- if (tile->numcomps >= 3) {
- if (tcd->tcp->tccps[0].qmfbid == 1) {
- mct_decode(
- tile->comps[0].data,
- tile->comps[1].data,
- tile->comps[2].data,
- n);
- } else {
- mct_decode_real(
- (float*)tile->comps[0].data,
- (float*)tile->comps[1].data,
- (float*)tile->comps[2].data,
- n);
- }
- } else {
- opj_event_msg(tcd->cinfo, EVT_WARNING,
- "Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",
- tile->numcomps);
- }
- }
-
- /*---------------TILE-------------------*/
-
- for (compno = 0; compno < tile->numcomps; ++compno) {
- opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
- opj_image_comp_t* imagec = &tcd->image->comps[compno];
- opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
- int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
- int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
- int max = imagec->sgnd ? (1 << (imagec->prec - 1)) - 1 :
- (1 << imagec->prec) - 1;
-
- int tw = tilec->x1 - tilec->x0;
- int w = imagec->w;
-
- int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
- int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
-
- int i, j;
- if (!imagec->data) {
- imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
- }
- if (!imagec->data) {
- opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
- return OPJ_FALSE;
- }
- if (tcd->tcp->tccps[compno].qmfbid == 1) {
- for (j = res->y0; j < res->y1; ++j) {
- for (i = res->x0; i < res->x1; ++i) {
- int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
- v += adjust;
- imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
- }
- }
- } else {
- for (j = res->y0; j < res->y1; ++j) {
- for (i = res->x0; i < res->x1; ++i) {
- float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
- int v = lrintf(tmp);
- v += adjust;
- imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
- }
- }
- }
- opj_aligned_free(tilec->data);
- }
-
- tile_time = opj_clock() - tile_time; /* time needed to decode a tile */
- opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
-
- if (eof) {
- return OPJ_FALSE;
- }
-
- return OPJ_TRUE;
-}
-
-void tcd_free_decode(opj_tcd_t *tcd)
-{
- opj_tcd_image_t *tcd_image = tcd->tcd_image;
- int i = 0;
- for (i = 0; i < tcd_image->tw * tcd_image->th; i++) {
- tcd_free_decode_tile(tcd, i);
- }
-
- opj_free(tcd_image->tiles);
-}
-
-void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno)
-{
- int compno, resno, bandno, precno, cblkno;
-
- opj_tcd_image_t *tcd_image = tcd->tcd_image;
-
- opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
- if (tile->comps != NULL) {
- for (compno = 0; compno < tile->numcomps; compno++) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- opj_tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->ph * res->pw; precno++) {
- opj_tcd_precinct_t *prec = &band->precincts[precno];
- if (prec->cblks.dec != NULL) {
- for (cblkno = 0; cblkno < prec->cw * prec->ch; ++cblkno) {
- opj_tcd_cblk_dec_t* cblk = &prec->cblks.dec[cblkno];
- opj_free(cblk->data);
- opj_free(cblk->segs);
- }
- opj_free(prec->cblks.dec);
- }
- if (prec->imsbtree != NULL) {
- tgt_destroy(prec->imsbtree);
- }
- if (prec->incltree != NULL) {
- tgt_destroy(prec->incltree);
- }
-
-
- }
- opj_free(band->precincts);
- }
- }
- opj_free(tilec->resolutions);
- }
- opj_free(tile->comps);
- tile->comps = NULL;
- }
-}
-
-
-
projects / openjpeg.git / blobdiff