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pdfium / pdfium / 86726a8bd7407c976ea735701714a41698c60753 / . / third_party / libopenjpeg20 / tcd.c
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/*
* 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
* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
* Copyright (c) 2012, CS Systemes d'Information, France
* Copyright (c) 2017, IntoPIX SA <support@intopix.com>
* 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.
*/
#include "opj_includes.h"
#include "opj_common.h"
/* ----------------------------------------------------------------------- */
/* TODO MSD: */
#ifdef TODO_MSD
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");
}
#endif
/**
* Initializes tile coding/decoding
*/
static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
OPJ_BOOL isEncoder, OPJ_FLOAT32 fraction, OPJ_SIZE_T sizeof_block,
opj_event_mgr_t* manager);
/**
* Allocates memory for a decoding code block.
*/
static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
p_code_block);
/**
* Deallocates the decoding data of the given precinct.
*/
static void opj_tcd_code_block_dec_deallocate(opj_tcd_precinct_t * p_precinct);
/**
* Allocates memory for an encoding code block (but not data).
*/
static OPJ_BOOL opj_tcd_code_block_enc_allocate(opj_tcd_cblk_enc_t *
p_code_block);
/**
* Allocates data for an encoding code block
*/
static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
p_code_block);
/**
* Deallocates the encoding data of the given precinct.
*/
static void opj_tcd_code_block_enc_deallocate(opj_tcd_precinct_t * p_precinct);
/**
Free the memory allocated for encoding
@param tcd TCD handle
*/
static void opj_tcd_free_tile(opj_tcd_t *tcd);
static OPJ_BOOL opj_tcd_t2_decode(opj_tcd_t *p_tcd,
OPJ_BYTE * p_src_data,
OPJ_UINT32 * p_data_read,
OPJ_UINT32 p_max_src_size,
opj_codestream_index_t *p_cstr_index,
opj_event_mgr_t *p_manager);
static OPJ_BOOL opj_tcd_t1_decode(opj_tcd_t *p_tcd,
opj_event_mgr_t *p_manager);
static OPJ_BOOL opj_tcd_dwt_decode(opj_tcd_t *p_tcd);
static OPJ_BOOL opj_tcd_mct_decode(opj_tcd_t *p_tcd,
opj_event_mgr_t *p_manager);
static OPJ_BOOL opj_tcd_dc_level_shift_decode(opj_tcd_t *p_tcd);
static OPJ_BOOL opj_tcd_dc_level_shift_encode(opj_tcd_t *p_tcd);
static OPJ_BOOL opj_tcd_mct_encode(opj_tcd_t *p_tcd);
static OPJ_BOOL opj_tcd_dwt_encode(opj_tcd_t *p_tcd);
static OPJ_BOOL opj_tcd_t1_encode(opj_tcd_t *p_tcd);
static OPJ_BOOL opj_tcd_t2_encode(opj_tcd_t *p_tcd,
OPJ_BYTE * p_dest_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_max_dest_size,
opj_codestream_info_t *p_cstr_info,
opj_event_mgr_t *p_manager);
static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
OPJ_BYTE * p_dest_data,
OPJ_UINT32 p_max_dest_size,
opj_codestream_info_t *p_cstr_info,
opj_event_mgr_t *p_manager);
static OPJ_BOOL opj_tcd_is_whole_tilecomp_decoding(opj_tcd_t *tcd,
OPJ_UINT32 compno);
/* ----------------------------------------------------------------------- */
/**
Create a new TCD handle
*/
opj_tcd_t* opj_tcd_create(OPJ_BOOL p_is_decoder)
{
opj_tcd_t *l_tcd = 00;
/* create the tcd structure */
l_tcd = (opj_tcd_t*) opj_calloc(1, sizeof(opj_tcd_t));
if (!l_tcd) {
return 00;
}
l_tcd->m_is_decoder = p_is_decoder ? 1 : 0;
l_tcd->tcd_image = (opj_tcd_image_t*)opj_calloc(1, sizeof(opj_tcd_image_t));
if (!l_tcd->tcd_image) {
opj_free(l_tcd);
return 00;
}
return l_tcd;
}
/* ----------------------------------------------------------------------- */
void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd)
{
OPJ_UINT32 layno;
for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
opj_tcd_makelayer_fixed(tcd, layno, 1);
}
}
void opj_tcd_makelayer(opj_tcd_t *tcd,
OPJ_UINT32 layno,
OPJ_FLOAT64 thresh,
OPJ_UINT32 final)
{
OPJ_UINT32 compno, resno, bandno, precno, cblkno;
OPJ_UINT32 passno;
opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
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];
/* Skip empty bands */
if (opj_tcd_is_band_empty(band)) {
continue;
}
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];
OPJ_UINT32 n;
if (layno == 0) {
cblk->numpassesinlayers = 0;
}
n = cblk->numpassesinlayers;
if (thresh < 0) {
/* Special value to indicate to use all passes */
n = cblk->totalpasses;
} else {
for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
OPJ_UINT32 dr;
OPJ_FLOAT64 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 (thresh - (dd / dr) <
DBL_EPSILON) { /* do not rely on float equality, check with DBL_EPSILON margin */
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;
}
}
}
}
}
}
}
void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
OPJ_UINT32 final)
{
OPJ_UINT32 compno, resno, bandno, precno, cblkno;
OPJ_INT32 value; /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
OPJ_INT32 matrice[10][10][3];
OPJ_UINT32 i, j, k;
opj_cp_t *cp = tcd->cp;
opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
opj_tcp_t *tcd_tcp = tcd->tcp;
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] =
(OPJ_INT32)((OPJ_FLOAT32)cp->m_specific_param.m_enc.m_matrice[i *
tilec->numresolutions * 3 + j * 3 + k]
* (OPJ_FLOAT32)(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];
/* Skip empty bands */
if (opj_tcd_is_band_empty(band)) {
continue;
}
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];
OPJ_UINT32 n;
OPJ_INT32 imsb = (OPJ_INT32)(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 * (OPJ_UINT32)value - 2 + cblk->numpassesinlayers;
} else {
n = cblk->numpassesinlayers;
}
} else {
n = 3 * (OPJ_UINT32)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;
}
}
}
}
}
}
}
OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 len,
opj_codestream_info_t *cstr_info,
opj_event_mgr_t *p_manager)
{
OPJ_UINT32 compno, resno, bandno, precno, cblkno, layno;
OPJ_UINT32 passno;
OPJ_FLOAT64 min, max;
OPJ_FLOAT64 cumdisto[100]; /* fixed_quality */
const OPJ_FLOAT64 K = 1; /* 1.1; fixed_quality */
OPJ_FLOAT64 maxSE = 0;
opj_cp_t *cp = tcd->cp;
opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
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];
/* Skip empty bands */
if (opj_tcd_is_band_empty(band)) {
continue;
}
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];
OPJ_INT32 dr;
OPJ_FLOAT64 dd, rdslope;
if (passno == 0) {
dr = (OPJ_INT32)pass->rate;
dd = pass->distortiondec;
} else {
dr = (OPJ_INT32)(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 += (((OPJ_FLOAT64)(1 << tcd->image->comps[compno].prec) - 1.0)
* ((OPJ_FLOAT64)(1 << tcd->image->comps[compno].prec) - 1.0))
* ((OPJ_FLOAT64)(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 = (OPJ_FLOAT64 *) opj_malloc(tcd_tcp->numlayers * sizeof(
OPJ_FLOAT64));
if (!tile_info->thresh) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
}
for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
OPJ_FLOAT64 lo = min;
OPJ_FLOAT64 hi = max;
OPJ_UINT32 maxlen = tcd_tcp->rates[layno] > 0.0f ? opj_uint_min(((
OPJ_UINT32) ceil(tcd_tcp->rates[layno])), len) : len;
OPJ_FLOAT64 goodthresh = 0;
OPJ_FLOAT64 stable_thresh = 0;
OPJ_UINT32 i;
OPJ_FLOAT64 distotarget; /* fixed_quality */
/* fixed_quality */
distotarget = tcd_tile->distotile - ((K * maxSE) / pow((OPJ_FLOAT32)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->m_specific_param.m_enc.m_disto_alloc == 1) &&
(tcd_tcp->rates[layno] > 0.0f)) ||
((cp->m_specific_param.m_enc.m_fixed_quality == 1) &&
(tcd_tcp->distoratio[layno] > 0.0))) {
opj_t2_t*t2 = opj_t2_create(tcd->image, cp);
OPJ_FLOAT64 thresh = 0;
if (t2 == 00) {
return OPJ_FALSE;
}
for (i = 0; i < 128; ++i) {
OPJ_FLOAT64 distoachieved = 0; /* fixed_quality */
thresh = (lo + hi) / 2;
opj_tcd_makelayer(tcd, layno, thresh, 0);
if (cp->m_specific_param.m_enc.m_fixed_quality) { /* fixed_quality */
if (OPJ_IS_CINEMA(cp->rsiz)) {
if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
p_data_written, maxlen, cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino,
THRESH_CALC, p_manager)) {
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 {
if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
p_data_written, maxlen, cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino,
THRESH_CALC, p_manager)) {
/* TODO: what to do with l ??? seek / tell ??? */
/* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
lo = thresh;
continue;
}
hi = thresh;
stable_thresh = thresh;
}
}
goodthresh = stable_thresh == 0 ? thresh : stable_thresh;
opj_t2_destroy(t2);
} else {
/* Special value to indicate to use all passes */
goodthresh = -1;
}
if (cstr_info) { /* Threshold for Marcela Index */
cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
}
opj_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;
}
OPJ_BOOL opj_tcd_init(opj_tcd_t *p_tcd,
opj_image_t * p_image,
opj_cp_t * p_cp,
opj_thread_pool_t* p_tp)
{
p_tcd->image = p_image;
p_tcd->cp = p_cp;
p_tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_calloc(1,
sizeof(opj_tcd_tile_t));
if (! p_tcd->tcd_image->tiles) {
return OPJ_FALSE;
}
p_tcd->tcd_image->tiles->comps = (opj_tcd_tilecomp_t *) opj_calloc(
p_image->numcomps, sizeof(opj_tcd_tilecomp_t));
if (! p_tcd->tcd_image->tiles->comps) {
return OPJ_FALSE;
}
p_tcd->tcd_image->tiles->numcomps = p_image->numcomps;
p_tcd->tp_pos = p_cp->m_specific_param.m_enc.m_tp_pos;
p_tcd->thread_pool = p_tp;
return OPJ_TRUE;
}
/**
Destroy a previously created TCD handle
*/
void opj_tcd_destroy(opj_tcd_t *tcd)
{
if (tcd) {
opj_tcd_free_tile(tcd);
if (tcd->tcd_image) {
opj_free(tcd->tcd_image);
tcd->tcd_image = 00;
}
opj_free(tcd->used_component);
opj_free(tcd);
}
}
OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec)
{
if ((l_tilec->data == 00) ||
((l_tilec->data_size_needed > l_tilec->data_size) &&
(l_tilec->ownsData == OPJ_FALSE))) {
l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
if (!l_tilec->data && l_tilec->data_size_needed != 0) {
return OPJ_FALSE;
}
/*fprintf(stderr, "tAllocate data of tilec (int): %d x OPJ_UINT32n",l_data_size);*/
l_tilec->data_size = l_tilec->data_size_needed;
l_tilec->ownsData = OPJ_TRUE;
} else if (l_tilec->data_size_needed > l_tilec->data_size) {
/* We don't need to keep old data */
opj_image_data_free(l_tilec->data);
l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
if (! l_tilec->data) {
l_tilec->data_size = 0;
l_tilec->data_size_needed = 0;
l_tilec->ownsData = OPJ_FALSE;
return OPJ_FALSE;
}
/*fprintf(stderr, "tReallocate data of tilec (int): from %d to %d x OPJ_UINT32n", l_tilec->data_size, l_data_size);*/
l_tilec->data_size = l_tilec->data_size_needed;
l_tilec->ownsData = OPJ_TRUE;
}
return OPJ_TRUE;
}
/* ----------------------------------------------------------------------- */
static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
OPJ_BOOL isEncoder, OPJ_FLOAT32 fraction, OPJ_SIZE_T sizeof_block,
opj_event_mgr_t* manager)
{
OPJ_UINT32(*l_gain_ptr)(OPJ_UINT32) = 00;
OPJ_UINT32 compno, resno, bandno, precno, cblkno;
opj_tcp_t * l_tcp = 00;
opj_cp_t * l_cp = 00;
opj_tcd_tile_t * l_tile = 00;
opj_tccp_t *l_tccp = 00;
opj_tcd_tilecomp_t *l_tilec = 00;
opj_image_comp_t * l_image_comp = 00;
opj_tcd_resolution_t *l_res = 00;
opj_tcd_band_t *l_band = 00;
opj_stepsize_t * l_step_size = 00;
opj_tcd_precinct_t *l_current_precinct = 00;
opj_image_t *l_image = 00;
OPJ_UINT32 p, q;
OPJ_UINT32 l_level_no;
OPJ_UINT32 l_pdx, l_pdy;
OPJ_UINT32 l_gain;
OPJ_INT32 l_x0b, l_y0b;
OPJ_UINT32 l_tx0, l_ty0;
/* extent of precincts , top left, bottom right**/
OPJ_INT32 l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end, l_br_prc_y_end;
/* number of precinct for a resolution */
OPJ_UINT32 l_nb_precincts;
/* room needed to store l_nb_precinct precinct for a resolution */
OPJ_UINT32 l_nb_precinct_size;
/* number of code blocks for a precinct*/
OPJ_UINT32 l_nb_code_blocks;
/* room needed to store l_nb_code_blocks code blocks for a precinct*/
OPJ_UINT32 l_nb_code_blocks_size;
/* size of data for a tile */
OPJ_UINT32 l_data_size;
l_cp = p_tcd->cp;
l_tcp = &(l_cp->tcps[p_tile_no]);
l_tile = p_tcd->tcd_image->tiles;
l_tccp = l_tcp->tccps;
l_tilec = l_tile->comps;
l_image = p_tcd->image;
l_image_comp = p_tcd->image->comps;
p = p_tile_no % l_cp->tw; /* tile coordinates */
q = p_tile_no / l_cp->tw;
/*fprintf(stderr, "Tile coordinate = %d,%d\n", p, q);*/
/* 4 borders of the tile rescale on the image if necessary */
l_tx0 = l_cp->tx0 + p *
l_cp->tdx; /* can't be greater than l_image->x1 so won't overflow */
l_tile->x0 = (OPJ_INT32)opj_uint_max(l_tx0, l_image->x0);
l_tile->x1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, l_cp->tdx),
l_image->x1);
/* all those OPJ_UINT32 are casted to OPJ_INT32, let's do some sanity check */
if ((l_tile->x0 < 0) || (l_tile->x1 <= l_tile->x0)) {
opj_event_msg(manager, EVT_ERROR, "Tile X coordinates are not supported\n");
return OPJ_FALSE;
}
l_ty0 = l_cp->ty0 + q *
l_cp->tdy; /* can't be greater than l_image->y1 so won't overflow */
l_tile->y0 = (OPJ_INT32)opj_uint_max(l_ty0, l_image->y0);
l_tile->y1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, l_cp->tdy),
l_image->y1);
/* all those OPJ_UINT32 are casted to OPJ_INT32, let's do some sanity check */
if ((l_tile->y0 < 0) || (l_tile->y1 <= l_tile->y0)) {
opj_event_msg(manager, EVT_ERROR, "Tile Y coordinates are not supported\n");
return OPJ_FALSE;
}
/* testcase 1888.pdf.asan.35.988 */
if (l_tccp->numresolutions == 0) {
opj_event_msg(manager, EVT_ERROR, "tiles require at least one resolution\n");
return OPJ_FALSE;
}
/*fprintf(stderr, "Tile border = %d,%d,%d,%d\n", l_tile->x0, l_tile->y0,l_tile->x1,l_tile->y1);*/
/*tile->numcomps = image->numcomps; */
for (compno = 0; compno < l_tile->numcomps; ++compno) {
/*fprintf(stderr, "compno = %d/%d\n", compno, l_tile->numcomps);*/
l_image_comp->resno_decoded = 0;
/* border of each l_tile component (global) */
l_tilec->x0 = opj_int_ceildiv(l_tile->x0, (OPJ_INT32)l_image_comp->dx);
l_tilec->y0 = opj_int_ceildiv(l_tile->y0, (OPJ_INT32)l_image_comp->dy);
l_tilec->x1 = opj_int_ceildiv(l_tile->x1, (OPJ_INT32)l_image_comp->dx);
l_tilec->y1 = opj_int_ceildiv(l_tile->y1, (OPJ_INT32)l_image_comp->dy);
l_tilec->compno = compno;
/*fprintf(stderr, "\tTile compo border = %d,%d,%d,%d\n", l_tilec->x0, l_tilec->y0,l_tilec->x1,l_tilec->y1);*/
l_tilec->numresolutions = l_tccp->numresolutions;
if (l_tccp->numresolutions < l_cp->m_specific_param.m_dec.m_reduce) {
l_tilec->minimum_num_resolutions = 1;
} else {
l_tilec->minimum_num_resolutions = l_tccp->numresolutions -
l_cp->m_specific_param.m_dec.m_reduce;
}
if (isEncoder) {
OPJ_SIZE_T l_tile_data_size;
if (l_tilec->x0 >= l_tilec->x1 || l_tilec->y0 >= l_tilec->y1) {
opj_event_msg(manager, EVT_ERROR, "Invalid tile data\n");
return OPJ_FALSE;
}
/* compute l_data_size with overflow check */
OPJ_SIZE_T w = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0);
OPJ_SIZE_T h = (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);
/* issue 733, l_data_size == 0U, probably something wrong should be checked before getting here */
if (h > 0 && w > SIZE_MAX / h) {
opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_tile_data_size = w * h;
if (SIZE_MAX / sizeof(OPJ_UINT32) < l_tile_data_size) {
opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_tile_data_size = l_tile_data_size * sizeof(OPJ_UINT32);
l_tilec->data_size_needed = l_tile_data_size;
}
l_data_size = l_tilec->numresolutions * (OPJ_UINT32)sizeof(
opj_tcd_resolution_t);
opj_image_data_free(l_tilec->data_win);
l_tilec->data_win = NULL;
l_tilec->win_x0 = 0;
l_tilec->win_y0 = 0;
l_tilec->win_x1 = 0;
l_tilec->win_y1 = 0;
if (l_tilec->resolutions == 00) {
l_tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(l_data_size);
if (! l_tilec->resolutions) {
return OPJ_FALSE;
}
/*fprintf(stderr, "\tAllocate resolutions of tilec (opj_tcd_resolution_t): %d\n",l_data_size);*/
l_tilec->resolutions_size = l_data_size;
memset(l_tilec->resolutions, 0, l_data_size);
} else if (l_data_size > l_tilec->resolutions_size) {
opj_tcd_resolution_t* new_resolutions = (opj_tcd_resolution_t *) opj_realloc(
l_tilec->resolutions, l_data_size);
if (! new_resolutions) {
opj_event_msg(manager, EVT_ERROR, "Not enough memory for tile resolutions\n");
opj_free(l_tilec->resolutions);
l_tilec->resolutions = NULL;
l_tilec->resolutions_size = 0;
return OPJ_FALSE;
}
l_tilec->resolutions = new_resolutions;
/*fprintf(stderr, "\tReallocate data of tilec (int): from %d to %d x OPJ_UINT32\n", l_tilec->resolutions_size, l_data_size);*/
memset(((OPJ_BYTE*) l_tilec->resolutions) + l_tilec->resolutions_size, 0,
l_data_size - l_tilec->resolutions_size);
l_tilec->resolutions_size = l_data_size;
}
l_level_no = l_tilec->numresolutions;
l_res = l_tilec->resolutions;
l_step_size = l_tccp->stepsizes;
if (l_tccp->qmfbid == 0) {
l_gain_ptr = &opj_dwt_getgain_real;
} else {
l_gain_ptr = &opj_dwt_getgain;
}
/*fprintf(stderr, "\tlevel_no=%d\n",l_level_no);*/
for (resno = 0; resno < l_tilec->numresolutions; ++resno) {
/*fprintf(stderr, "\t\tresno = %d/%d\n", resno, l_tilec->numresolutions);*/
OPJ_INT32 tlcbgxstart, tlcbgystart /*, brcbgxend, brcbgyend*/;
OPJ_UINT32 cbgwidthexpn, cbgheightexpn;
OPJ_UINT32 cblkwidthexpn, cblkheightexpn;
--l_level_no;
/* border for each resolution level (global) */
l_res->x0 = opj_int_ceildivpow2(l_tilec->x0, (OPJ_INT32)l_level_no);
l_res->y0 = opj_int_ceildivpow2(l_tilec->y0, (OPJ_INT32)l_level_no);
l_res->x1 = opj_int_ceildivpow2(l_tilec->x1, (OPJ_INT32)l_level_no);
l_res->y1 = opj_int_ceildivpow2(l_tilec->y1, (OPJ_INT32)l_level_no);
/*fprintf(stderr, "\t\t\tres_x0= %d, res_y0 =%d, res_x1=%d, res_y1=%d\n", l_res->x0, l_res->y0, l_res->x1, l_res->y1);*/
/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
l_pdx = l_tccp->prcw[resno];
l_pdy = l_tccp->prch[resno];
/*fprintf(stderr, "\t\t\tpdx=%d, pdy=%d\n", l_pdx, l_pdy);*/
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx;
l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy;
{
OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1,
(OPJ_INT32)l_pdx)) << l_pdx;
if (tmp > (OPJ_UINT32)INT_MAX) {
opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
return OPJ_FALSE;
}
l_br_prc_x_end = (OPJ_INT32)tmp;
}
{
OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1,
(OPJ_INT32)l_pdy)) << l_pdy;
if (tmp > (OPJ_UINT32)INT_MAX) {
opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
return OPJ_FALSE;
}
l_br_prc_y_end = (OPJ_INT32)tmp;
}
/*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/
l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)((
l_br_prc_x_end - l_tl_prc_x_start) >> l_pdx);
l_res->ph = (l_res->y0 == l_res->y1) ? 0U : (OPJ_UINT32)((
l_br_prc_y_end - l_tl_prc_y_start) >> l_pdy);
/*fprintf(stderr, "\t\t\tres_pw=%d, res_ph=%d\n", l_res->pw, l_res->ph );*/
if ((l_res->pw != 0U) && ((((OPJ_UINT32) - 1) / l_res->pw) < l_res->ph)) {
opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_nb_precincts = l_res->pw * l_res->ph;
if ((((OPJ_UINT32) - 1) / (OPJ_UINT32)sizeof(opj_tcd_precinct_t)) <
l_nb_precincts) {
opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_nb_precinct_size = l_nb_precincts * (OPJ_UINT32)sizeof(opj_tcd_precinct_t);
if (resno == 0) {
tlcbgxstart = l_tl_prc_x_start;
tlcbgystart = l_tl_prc_y_start;
/*brcbgxend = l_br_prc_x_end;*/
/* brcbgyend = l_br_prc_y_end;*/
cbgwidthexpn = l_pdx;
cbgheightexpn = l_pdy;
l_res->numbands = 1;
} else {
tlcbgxstart = opj_int_ceildivpow2(l_tl_prc_x_start, 1);
tlcbgystart = opj_int_ceildivpow2(l_tl_prc_y_start, 1);
/*brcbgxend = opj_int_ceildivpow2(l_br_prc_x_end, 1);*/
/*brcbgyend = opj_int_ceildivpow2(l_br_prc_y_end, 1);*/
cbgwidthexpn = l_pdx - 1;
cbgheightexpn = l_pdy - 1;
l_res->numbands = 3;
}
cblkwidthexpn = opj_uint_min(l_tccp->cblkw, cbgwidthexpn);
cblkheightexpn = opj_uint_min(l_tccp->cblkh, cbgheightexpn);
l_band = l_res->bands;
for (bandno = 0; bandno < l_res->numbands; ++bandno, ++l_band, ++l_step_size) {
OPJ_INT32 numbps;
/*fprintf(stderr, "\t\t\tband_no=%d/%d\n", bandno, l_res->numbands );*/
if (resno == 0) {
l_band->bandno = 0 ;
l_band->x0 = opj_int_ceildivpow2(l_tilec->x0, (OPJ_INT32)l_level_no);
l_band->y0 = opj_int_ceildivpow2(l_tilec->y0, (OPJ_INT32)l_level_no);
l_band->x1 = opj_int_ceildivpow2(l_tilec->x1, (OPJ_INT32)l_level_no);
l_band->y1 = opj_int_ceildivpow2(l_tilec->y1, (OPJ_INT32)l_level_no);
} else {
l_band->bandno = bandno + 1;
/* x0b = 1 if bandno = 1 or 3 */
l_x0b = l_band->bandno & 1;
/* y0b = 1 if bandno = 2 or 3 */
l_y0b = (OPJ_INT32)((l_band->bandno) >> 1);
/* l_band border (global) */
l_band->x0 = opj_int64_ceildivpow2(l_tilec->x0 - ((OPJ_INT64)l_x0b <<
l_level_no), (OPJ_INT32)(l_level_no + 1));
l_band->y0 = opj_int64_ceildivpow2(l_tilec->y0 - ((OPJ_INT64)l_y0b <<
l_level_no), (OPJ_INT32)(l_level_no + 1));
l_band->x1 = opj_int64_ceildivpow2(l_tilec->x1 - ((OPJ_INT64)l_x0b <<
l_level_no), (OPJ_INT32)(l_level_no + 1));
l_band->y1 = opj_int64_ceildivpow2(l_tilec->y1 - ((OPJ_INT64)l_y0b <<
l_level_no), (OPJ_INT32)(l_level_no + 1));
}
if (isEncoder) {
/* Skip empty bands */
if (opj_tcd_is_band_empty(l_band)) {
/* Do not zero l_band->precints to avoid leaks */
/* but make sure we don't use it later, since */
/* it will point to precincts of previous bands... */
continue;
}
}
/** avoid an if with storing function pointer */
l_gain = (*l_gain_ptr)(l_band->bandno);
numbps = (OPJ_INT32)(l_image_comp->prec + l_gain);
l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0,
(OPJ_INT32)(numbps - l_step_size->expn)))) * fraction;
/* Mb value of Equation E-2 in "E.1 Inverse quantization
* procedure" of the standard */
l_band->numbps = l_step_size->expn + (OPJ_INT32)l_tccp->numgbits -
1;
if (!l_band->precincts && (l_nb_precincts > 0U)) {
l_band->precincts = (opj_tcd_precinct_t *) opj_malloc(/*3 * */
l_nb_precinct_size);
if (! l_band->precincts) {
opj_event_msg(manager, EVT_ERROR,
"Not enough memory to handle band precints\n");
return OPJ_FALSE;
}
/*fprintf(stderr, "\t\t\t\tAllocate precincts of a band (opj_tcd_precinct_t): %d\n",l_nb_precinct_size); */
memset(l_band->precincts, 0, l_nb_precinct_size);
l_band->precincts_data_size = l_nb_precinct_size;
} else if (l_band->precincts_data_size < l_nb_precinct_size) {
opj_tcd_precinct_t * new_precincts = (opj_tcd_precinct_t *) opj_realloc(
l_band->precincts,/*3 * */ l_nb_precinct_size);
if (! new_precincts) {
opj_event_msg(manager, EVT_ERROR,
"Not enough memory to handle band precints\n");
opj_free(l_band->precincts);
l_band->precincts = NULL;
l_band->precincts_data_size = 0;
return OPJ_FALSE;
}
l_band->precincts = new_precincts;
/*fprintf(stderr, "\t\t\t\tReallocate precincts of a band (opj_tcd_precinct_t): from %d to %d\n",l_band->precincts_data_size, l_nb_precinct_size);*/
memset(((OPJ_BYTE *) l_band->precincts) + l_band->precincts_data_size, 0,
l_nb_precinct_size - l_band->precincts_data_size);
l_band->precincts_data_size = l_nb_precinct_size;
}
l_current_precinct = l_band->precincts;
for (precno = 0; precno < l_nb_precincts; ++precno) {
OPJ_INT32 tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
OPJ_INT32 cbgxstart = tlcbgxstart + (OPJ_INT32)(precno % l_res->pw) *
(1 << cbgwidthexpn);
OPJ_INT32 cbgystart = tlcbgystart + (OPJ_INT32)(precno / l_res->pw) *
(1 << cbgheightexpn);
OPJ_INT32 cbgxend = cbgxstart + (1 << cbgwidthexpn);
OPJ_INT32 cbgyend = cbgystart + (1 << cbgheightexpn);
/*fprintf(stderr, "\t precno=%d; bandno=%d, resno=%d; compno=%d\n", precno, bandno , resno, compno);*/
/*fprintf(stderr, "\t tlcbgxstart(=%d) + (precno(=%d) percent res->pw(=%d)) * (1 << cbgwidthexpn(=%d)) \n",tlcbgxstart,precno,l_res->pw,cbgwidthexpn);*/
/* precinct size (global) */
/*fprintf(stderr, "\t cbgxstart=%d, l_band->x0 = %d \n",cbgxstart, l_band->x0);*/
l_current_precinct->x0 = opj_int_max(cbgxstart, l_band->x0);
l_current_precinct->y0 = opj_int_max(cbgystart, l_band->y0);
l_current_precinct->x1 = opj_int_min(cbgxend, l_band->x1);
l_current_precinct->y1 = opj_int_min(cbgyend, l_band->y1);
/*fprintf(stderr, "\t prc_x0=%d; prc_y0=%d, prc_x1=%d; prc_y1=%d\n",l_current_precinct->x0, l_current_precinct->y0 ,l_current_precinct->x1, l_current_precinct->y1);*/
tlcblkxstart = opj_int_floordivpow2(l_current_precinct->x0,
(OPJ_INT32)cblkwidthexpn) << cblkwidthexpn;
/*fprintf(stderr, "\t tlcblkxstart =%d\n",tlcblkxstart );*/
tlcblkystart = opj_int_floordivpow2(l_current_precinct->y0,
(OPJ_INT32)cblkheightexpn) << cblkheightexpn;
/*fprintf(stderr, "\t tlcblkystart =%d\n",tlcblkystart );*/
brcblkxend = opj_int_ceildivpow2(l_current_precinct->x1,
(OPJ_INT32)cblkwidthexpn) << cblkwidthexpn;
/*fprintf(stderr, "\t brcblkxend =%d\n",brcblkxend );*/
brcblkyend = opj_int_ceildivpow2(l_current_precinct->y1,
(OPJ_INT32)cblkheightexpn) << cblkheightexpn;
/*fprintf(stderr, "\t brcblkyend =%d\n",brcblkyend );*/
l_current_precinct->cw = (OPJ_UINT32)((brcblkxend - tlcblkxstart) >>
cblkwidthexpn);
l_current_precinct->ch = (OPJ_UINT32)((brcblkyend - tlcblkystart) >>
cblkheightexpn);
if (l_current_precinct->cw && ((OPJ_UINT32)-1) / l_current_precinct->cw < l_current_precinct->ch) {
return OPJ_FALSE;
}
l_nb_code_blocks = l_current_precinct->cw * l_current_precinct->ch;
/*fprintf(stderr, "\t\t\t\t precinct_cw = %d x recinct_ch = %d\n",l_current_precinct->cw, l_current_precinct->ch); */
if ((((OPJ_UINT32) - 1) / (OPJ_UINT32)sizeof_block) <
l_nb_code_blocks) {
opj_event_msg(manager, EVT_ERROR,
"Size of code block data exceeds system limits\n");
return OPJ_FALSE;
}
l_nb_code_blocks_size = l_nb_code_blocks * (OPJ_UINT32)sizeof_block;
if (!l_current_precinct->cblks.blocks && (l_nb_code_blocks > 0U)) {
l_current_precinct->cblks.blocks = opj_malloc(l_nb_code_blocks_size);
if (! l_current_precinct->cblks.blocks) {
return OPJ_FALSE;
}
/*fprintf(stderr, "\t\t\t\tAllocate cblks of a precinct (opj_tcd_cblk_dec_t): %d\n",l_nb_code_blocks_size);*/
memset(l_current_precinct->cblks.blocks, 0, l_nb_code_blocks_size);
l_current_precinct->block_size = l_nb_code_blocks_size;
} else if (l_nb_code_blocks_size > l_current_precinct->block_size) {
void *new_blocks = opj_realloc(l_current_precinct->cblks.blocks,
l_nb_code_blocks_size);
if (! new_blocks) {
opj_free(l_current_precinct->cblks.blocks);
l_current_precinct->cblks.blocks = NULL;
l_current_precinct->block_size = 0;
opj_event_msg(manager, EVT_ERROR,
"Not enough memory for current precinct codeblock element\n");
return OPJ_FALSE;
}
l_current_precinct->cblks.blocks = new_blocks;
/*fprintf(stderr, "\t\t\t\tReallocate cblks of a precinct (opj_tcd_cblk_dec_t): from %d to %d\n",l_current_precinct->block_size, l_nb_code_blocks_size); */
memset(((OPJ_BYTE *) l_current_precinct->cblks.blocks) +
l_current_precinct->block_size
, 0
, l_nb_code_blocks_size - l_current_precinct->block_size);
l_current_precinct->block_size = l_nb_code_blocks_size;
}
if (! l_current_precinct->incltree) {
l_current_precinct->incltree = opj_tgt_create(l_current_precinct->cw,
l_current_precinct->ch, manager);
} else {
l_current_precinct->incltree = opj_tgt_init(l_current_precinct->incltree,
l_current_precinct->cw, l_current_precinct->ch, manager);
}
if (! l_current_precinct->imsbtree) {
l_current_precinct->imsbtree = opj_tgt_create(l_current_precinct->cw,
l_current_precinct->ch, manager);
} else {
l_current_precinct->imsbtree = opj_tgt_init(l_current_precinct->imsbtree,
l_current_precinct->cw, l_current_precinct->ch, manager);
}
for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
OPJ_INT32 cblkxstart = tlcblkxstart + (OPJ_INT32)(cblkno %
l_current_precinct->cw) * (1 << cblkwidthexpn);
OPJ_INT32 cblkystart = tlcblkystart + (OPJ_INT32)(cblkno /
l_current_precinct->cw) * (1 << cblkheightexpn);
OPJ_INT32 cblkxend = cblkxstart + (1 << cblkwidthexpn);
OPJ_INT32 cblkyend = cblkystart + (1 << cblkheightexpn);
if (isEncoder) {
opj_tcd_cblk_enc_t* l_code_block = l_current_precinct->cblks.enc + cblkno;
if (! opj_tcd_code_block_enc_allocate(l_code_block)) {
return OPJ_FALSE;
}
/* code-block size (global) */
l_code_block->x0 = opj_int_max(cblkxstart, l_current_precinct->x0);
l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0);
l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1);
l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1);
if (! opj_tcd_code_block_enc_allocate_data(l_code_block)) {
return OPJ_FALSE;
}
} else {
opj_tcd_cblk_dec_t* l_code_block = l_current_precinct->cblks.dec + cblkno;
if (! opj_tcd_code_block_dec_allocate(l_code_block)) {
return OPJ_FALSE;
}
/* code-block size (global) */
l_code_block->x0 = opj_int_max(cblkxstart, l_current_precinct->x0);
l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0);
l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1);
l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1);
}
}
++l_current_precinct;
} /* precno */
} /* bandno */
++l_res;
} /* resno */
++l_tccp;
++l_tilec;
++l_image_comp;
} /* compno */
return OPJ_TRUE;
}
OPJ_BOOL opj_tcd_init_encode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
opj_event_mgr_t* p_manager)
{
return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_TRUE, 1.0F,
sizeof(opj_tcd_cblk_enc_t), p_manager);
}
OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
opj_event_mgr_t* p_manager)
{
return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_FALSE, 0.5F,
sizeof(opj_tcd_cblk_dec_t), p_manager);
}
/**
* Allocates memory for an encoding code block (but not data memory).
*/
static OPJ_BOOL opj_tcd_code_block_enc_allocate(opj_tcd_cblk_enc_t *
p_code_block)
{
if (! p_code_block->layers) {
/* no memset since data */
p_code_block->layers = (opj_tcd_layer_t*) opj_calloc(100,
sizeof(opj_tcd_layer_t));
if (! p_code_block->layers) {
return OPJ_FALSE;
}
}
if (! p_code_block->passes) {
p_code_block->passes = (opj_tcd_pass_t*) opj_calloc(100,
sizeof(opj_tcd_pass_t));
if (! p_code_block->passes) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
/**
* Allocates data memory for an encoding code block.
*/
static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
p_code_block)
{
OPJ_UINT32 l_data_size;
/* +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */
/* and actually +2 required for https://github.com/uclouvain/openjpeg/issues/982 */
/* TODO: is there a theoretical upper-bound for the compressed code */
/* block size ? */
l_data_size = 2 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
(p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
if (l_data_size > p_code_block->data_size) {
if (p_code_block->data) {
/* We refer to data - 1 since below we incremented it */
opj_free(p_code_block->data - 1);
}
p_code_block->data = (OPJ_BYTE*) opj_malloc(l_data_size + 1);
if (! p_code_block->data) {
p_code_block->data_size = 0U;
return OPJ_FALSE;
}
p_code_block->data_size = l_data_size;
/* We reserve the initial byte as a fake byte to a non-FF value */
/* and increment the data pointer, so that opj_mqc_init_enc() */
/* can do bp = data - 1, and opj_mqc_byteout() can safely dereference */
/* it. */
p_code_block->data[0] = 0;
p_code_block->data += 1; /*why +1 ?*/
}
return OPJ_TRUE;
}
void opj_tcd_reinit_segment(opj_tcd_seg_t* seg)
{
memset(seg, 0, sizeof(opj_tcd_seg_t));
}
/**
* Allocates memory for a decoding code block.
*/
static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
p_code_block)
{
if (! p_code_block->segs) {
p_code_block->segs = (opj_tcd_seg_t *) opj_calloc(OPJ_J2K_DEFAULT_NB_SEGS,
sizeof(opj_tcd_seg_t));
if (! p_code_block->segs) {
return OPJ_FALSE;
}
/*fprintf(stderr, "Allocate %d elements of code_block->data\n", OPJ_J2K_DEFAULT_NB_SEGS * sizeof(opj_tcd_seg_t));*/
p_code_block->m_current_max_segs = OPJ_J2K_DEFAULT_NB_SEGS;
/*fprintf(stderr, "m_current_max_segs of code_block->data = %d\n", p_code_block->m_current_max_segs);*/
} else {
/* sanitize */
opj_tcd_seg_t * l_segs = p_code_block->segs;
OPJ_UINT32 l_current_max_segs = p_code_block->m_current_max_segs;
opj_tcd_seg_data_chunk_t* l_chunks = p_code_block->chunks;
OPJ_UINT32 l_numchunksalloc = p_code_block->numchunksalloc;
OPJ_UINT32 i;
opj_aligned_free(p_code_block->decoded_data);
p_code_block->decoded_data = 00;
memset(p_code_block, 0, sizeof(opj_tcd_cblk_dec_t));
p_code_block->segs = l_segs;
p_code_block->m_current_max_segs = l_current_max_segs;
for (i = 0; i < l_current_max_segs; ++i) {
opj_tcd_reinit_segment(&l_segs[i]);
}
p_code_block->chunks = l_chunks;
p_code_block->numchunksalloc = l_numchunksalloc;
}
return OPJ_TRUE;
}
OPJ_UINT32 opj_tcd_get_decoded_tile_size(opj_tcd_t *p_tcd,
OPJ_BOOL take_into_account_partial_decoding)
{
OPJ_UINT32 i;
OPJ_UINT32 l_data_size = 0;
opj_image_comp_t * l_img_comp = 00;
opj_tcd_tilecomp_t * l_tile_comp = 00;
opj_tcd_resolution_t * l_res = 00;
OPJ_UINT32 l_size_comp, l_remaining;
OPJ_UINT32 l_temp;
l_tile_comp = p_tcd->tcd_image->tiles->comps;
l_img_comp = p_tcd->image->comps;
for (i = 0; i < p_tcd->image->numcomps; ++i) {
OPJ_UINT32 w, h;
l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
l_remaining = l_img_comp->prec & 7; /* (%8) */
if (l_remaining) {
++l_size_comp;
}
if (l_size_comp == 3) {
l_size_comp = 4;
}
l_res = l_tile_comp->resolutions + l_tile_comp->minimum_num_resolutions - 1;
if (take_into_account_partial_decoding && !p_tcd->whole_tile_decoding) {
w = l_res->win_x1 - l_res->win_x0;
h = l_res->win_y1 - l_res->win_y0;
} else {
w = (OPJ_UINT32)(l_res->x1 - l_res->x0);
h = (OPJ_UINT32)(l_res->y1 - l_res->y0);
}
if (h > 0 && UINT_MAX / w < h) {
return UINT_MAX;
}
l_temp = w * h;
if (l_size_comp && UINT_MAX / l_size_comp < l_temp) {
return UINT_MAX;
}
l_temp *= l_size_comp;
if (l_temp > UINT_MAX - l_data_size) {
return UINT_MAX;
}
l_data_size += l_temp;
++l_img_comp;
++l_tile_comp;
}
return l_data_size;
}
OPJ_BOOL opj_tcd_encode_tile(opj_tcd_t *p_tcd,
OPJ_UINT32 p_tile_no,
OPJ_BYTE *p_dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_max_length,
opj_codestream_info_t *p_cstr_info,
opj_event_mgr_t *p_manager)
{
if (p_tcd->cur_tp_num == 0) {
p_tcd->tcd_tileno = p_tile_no;
p_tcd->tcp = &p_tcd->cp->tcps[p_tile_no];
/* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
if (p_cstr_info) {
OPJ_UINT32 l_num_packs = 0;
OPJ_UINT32 i;
opj_tcd_tilecomp_t *l_tilec_idx =
&p_tcd->tcd_image->tiles->comps[0]; /* based on component 0 */
opj_tccp_t *l_tccp = p_tcd->tcp->tccps; /* based on component 0 */
for (i = 0; i < l_tilec_idx->numresolutions; i++) {
opj_tcd_resolution_t *l_res_idx = &l_tilec_idx->resolutions[i];
p_cstr_info->tile[p_tile_no].pw[i] = (int)l_res_idx->pw;
p_cstr_info->tile[p_tile_no].ph[i] = (int)l_res_idx->ph;
l_num_packs += l_res_idx->pw * l_res_idx->ph;
p_cstr_info->tile[p_tile_no].pdx[i] = (int)l_tccp->prcw[i];
p_cstr_info->tile[p_tile_no].pdy[i] = (int)l_tccp->prch[i];
}
p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t*) opj_calloc((
OPJ_SIZE_T)p_cstr_info->numcomps * (OPJ_SIZE_T)p_cstr_info->numlayers *
l_num_packs,
sizeof(opj_packet_info_t));
if (!p_cstr_info->tile[p_tile_no].packet) {
/* FIXME event manager error callback */
return OPJ_FALSE;
}
}
/* << INDEX */
/* FIXME _ProfStart(PGROUP_DC_SHIFT); */
/*---------------TILE-------------------*/
if (! opj_tcd_dc_level_shift_encode(p_tcd)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_DC_SHIFT); */
/* FIXME _ProfStart(PGROUP_MCT); */
if (! opj_tcd_mct_encode(p_tcd)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_MCT); */
/* FIXME _ProfStart(PGROUP_DWT); */
if (! opj_tcd_dwt_encode(p_tcd)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_DWT); */
/* FIXME _ProfStart(PGROUP_T1); */
if (! opj_tcd_t1_encode(p_tcd)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_T1); */
/* FIXME _ProfStart(PGROUP_RATE); */
if (! opj_tcd_rate_allocate_encode(p_tcd, p_dest, p_max_length,
p_cstr_info, p_manager)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_RATE); */
}
/*--------------TIER2------------------*/
/* INDEX */
if (p_cstr_info) {
p_cstr_info->index_write = 1;
}
/* FIXME _ProfStart(PGROUP_T2); */
if (! opj_tcd_t2_encode(p_tcd, p_dest, p_data_written, p_max_length,
p_cstr_info, p_manager)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_T2); */
/*---------------CLEAN-------------------*/
return OPJ_TRUE;
}
OPJ_BOOL opj_tcd_decode_tile(opj_tcd_t *p_tcd,
OPJ_UINT32 win_x0,
OPJ_UINT32 win_y0,
OPJ_UINT32 win_x1,
OPJ_UINT32 win_y1,
OPJ_UINT32 numcomps_to_decode,
const OPJ_UINT32 *comps_indices,
OPJ_BYTE *p_src,
OPJ_UINT32 p_max_length,
OPJ_UINT32 p_tile_no,
opj_codestream_index_t *p_cstr_index,
opj_event_mgr_t *p_manager
)
{
OPJ_UINT32 l_data_read;
OPJ_UINT32 compno;
p_tcd->tcd_tileno = p_tile_no;
p_tcd->tcp = &(p_tcd->cp->tcps[p_tile_no]);
p_tcd->win_x0 = win_x0;
p_tcd->win_y0 = win_y0;
p_tcd->win_x1 = win_x1;
p_tcd->win_y1 = win_y1;
p_tcd->whole_tile_decoding = OPJ_TRUE;
opj_free(p_tcd->used_component);
p_tcd->used_component = NULL;
if (numcomps_to_decode) {
OPJ_BOOL* used_component = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
p_tcd->image->numcomps);
if (used_component == NULL) {
return OPJ_FALSE;
}
for (compno = 0; compno < numcomps_to_decode; compno++) {
used_component[ comps_indices[compno] ] = OPJ_TRUE;
}
p_tcd->used_component = used_component;
}
for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
continue;
}
if (!opj_tcd_is_whole_tilecomp_decoding(p_tcd, compno)) {
p_tcd->whole_tile_decoding = OPJ_FALSE;
break;
}
}
if (p_tcd->whole_tile_decoding) {
for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
opj_tcd_resolution_t *l_res = &
(tilec->resolutions[tilec->minimum_num_resolutions - 1]);
OPJ_SIZE_T l_data_size;
/* compute l_data_size with overflow check */
OPJ_SIZE_T res_w = (OPJ_SIZE_T)(l_res->x1 - l_res->x0);
OPJ_SIZE_T res_h = (OPJ_SIZE_T)(l_res->y1 - l_res->y0);
if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
continue;
}
/* issue 733, l_data_size == 0U, probably something wrong should be checked before getting here */
if (res_h > 0 && res_w > SIZE_MAX / res_h) {
opj_event_msg(p_manager, EVT_ERROR,
"Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_data_size = res_w * res_h;
if (SIZE_MAX / sizeof(OPJ_UINT32) < l_data_size) {
opj_event_msg(p_manager, EVT_ERROR,
"Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_data_size *= sizeof(OPJ_UINT32);
tilec->data_size_needed = l_data_size;
if (!opj_alloc_tile_component_data(tilec)) {
opj_event_msg(p_manager, EVT_ERROR,
"Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
}
} else {
/* Compute restricted tile-component and tile-resolution coordinates */
/* of the window of interest, but defer the memory allocation until */
/* we know the resno_decoded */
for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
OPJ_UINT32 resno;
opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
continue;
}
/* Compute the intersection of the area of interest, expressed in tile coordinates */
/* with the tile coordinates */
tilec->win_x0 = opj_uint_max(
(OPJ_UINT32)tilec->x0,
opj_uint_ceildiv(p_tcd->win_x0, image_comp->dx));
tilec->win_y0 = opj_uint_max(
(OPJ_UINT32)tilec->y0,
opj_uint_ceildiv(p_tcd->win_y0, image_comp->dy));
tilec->win_x1 = opj_uint_min(
(OPJ_UINT32)tilec->x1,
opj_uint_ceildiv(p_tcd->win_x1, image_comp->dx));
tilec->win_y1 = opj_uint_min(
(OPJ_UINT32)tilec->y1,
opj_uint_ceildiv(p_tcd->win_y1, image_comp->dy));
if (tilec->win_x1 < tilec->win_x0 ||
tilec->win_y1 < tilec->win_y0) {
/* We should not normally go there. The circumstance is when */
/* the tile coordinates do not intersect the area of interest */
/* Upper level logic should not even try to decode that tile */
opj_event_msg(p_manager, EVT_ERROR,
"Invalid tilec->win_xxx values\n");
return OPJ_FALSE;
}
for (resno = 0; resno < tilec->numresolutions; ++resno) {
opj_tcd_resolution_t *res = tilec->resolutions + resno;
res->win_x0 = opj_uint_ceildivpow2(tilec->win_x0,
tilec->numresolutions - 1 - resno);
res->win_y0 = opj_uint_ceildivpow2(tilec->win_y0,
tilec->numresolutions - 1 - resno);
res->win_x1 = opj_uint_ceildivpow2(tilec->win_x1,
tilec->numresolutions - 1 - resno);
res->win_y1 = opj_uint_ceildivpow2(tilec->win_y1,
tilec->numresolutions - 1 - resno);
}
}
}
#ifdef TODO_MSD /* FIXME */
/* INDEX >> */
if (p_cstr_info) {
OPJ_UINT32 resno, compno, numprec = 0;
for (compno = 0; compno < (OPJ_UINT32) p_cstr_info->numcomps; compno++) {
opj_tcp_t *tcp = &p_tcd->cp->tcps[0];
opj_tccp_t *tccp = &tcp->tccps[compno];
opj_tcd_tilecomp_t *tilec_idx = &p_tcd->tcd_image->tiles->comps[compno];
for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
p_cstr_info->tile[p_tile_no].pw[resno] = res_idx->pw;
p_cstr_info->tile[p_tile_no].ph[resno] = res_idx->ph;
numprec += res_idx->pw * res_idx->ph;
p_cstr_info->tile[p_tile_no].pdx[resno] = tccp->prcw[resno];
p_cstr_info->tile[p_tile_no].pdy[resno] = tccp->prch[resno];
}
}
p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t *) opj_malloc(
p_cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
p_cstr_info->packno = 0;
}
/* << INDEX */
#endif
/*--------------TIER2------------------*/
/* FIXME _ProfStart(PGROUP_T2); */
l_data_read = 0;
if (! opj_tcd_t2_decode(p_tcd, p_src, &l_data_read, p_max_length, p_cstr_index,
p_manager)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_T2); */
/*------------------TIER1-----------------*/
/* FIXME _ProfStart(PGROUP_T1); */
if (! opj_tcd_t1_decode(p_tcd, p_manager)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_T1); */
/* For subtile decoding, now we know the resno_decoded, we can allocate */
/* the tile data buffer */
if (!p_tcd->whole_tile_decoding) {
for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
opj_tcd_resolution_t *res = tilec->resolutions + image_comp->resno_decoded;
OPJ_SIZE_T w = res->win_x1 - res->win_x0;
OPJ_SIZE_T h = res->win_y1 - res->win_y0;
OPJ_SIZE_T l_data_size;
opj_image_data_free(tilec->data_win);
tilec->data_win = NULL;
if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
continue;
}
if (w > 0 && h > 0) {
if (w > SIZE_MAX / h) {
opj_event_msg(p_manager, EVT_ERROR,
"Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_data_size = w * h;
if (l_data_size > SIZE_MAX / sizeof(OPJ_INT32)) {
opj_event_msg(p_manager, EVT_ERROR,
"Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
l_data_size *= sizeof(OPJ_INT32);
tilec->data_win = (OPJ_INT32*) opj_image_data_alloc(l_data_size);
if (tilec->data_win == NULL) {
opj_event_msg(p_manager, EVT_ERROR,
"Size of tile data exceeds system limits\n");
return OPJ_FALSE;
}
}
}
}
/*----------------DWT---------------------*/
/* FIXME _ProfStart(PGROUP_DWT); */
if
(! opj_tcd_dwt_decode(p_tcd)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_DWT); */
/*----------------MCT-------------------*/
/* FIXME _ProfStart(PGROUP_MCT); */
if
(! opj_tcd_mct_decode(p_tcd, p_manager)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_MCT); */
/* FIXME _ProfStart(PGROUP_DC_SHIFT); */
if
(! opj_tcd_dc_level_shift_decode(p_tcd)) {
return OPJ_FALSE;
}
/* FIXME _ProfStop(PGROUP_DC_SHIFT); */
/*---------------TILE-------------------*/
return OPJ_TRUE;
}
OPJ_BOOL opj_tcd_update_tile_data(opj_tcd_t *p_tcd,
OPJ_BYTE * p_dest,
OPJ_UINT32 p_dest_length
)
{
OPJ_UINT32 i, j, k, l_data_size = 0;
opj_image_comp_t * l_img_comp = 00;
opj_tcd_tilecomp_t * l_tilec = 00;
opj_tcd_resolution_t * l_res;
OPJ_UINT32 l_size_comp, l_remaining;
OPJ_UINT32 l_stride, l_width, l_height;
l_data_size = opj_tcd_get_decoded_tile_size(p_tcd, OPJ_TRUE);
if (l_data_size == UINT_MAX || l_data_size > p_dest_length) {
return OPJ_FALSE;
}
l_tilec = p_tcd->tcd_image->tiles->comps;
l_img_comp = p_tcd->image->comps;
for (i = 0; i < p_tcd->image->numcomps; ++i) {
const OPJ_INT32* l_src_data;
l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
l_remaining = l_img_comp->prec & 7; /* (%8) */
l_res = l_tilec->resolutions + l_img_comp->resno_decoded;
if (p_tcd->whole_tile_decoding) {
l_width = (OPJ_UINT32)(l_res->x1 - l_res->x0);
l_height = (OPJ_UINT32)(l_res->y1 - l_res->y0);
l_stride = (OPJ_UINT32)(l_tilec->resolutions[l_tilec->minimum_num_resolutions -
1].x1 -
l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0) - l_width;
l_src_data = l_tilec->data;
} else {
l_width = l_res->win_x1 - l_res->win_x0;
l_height = l_res->win_y1 - l_res->win_y0;
l_stride = 0;
l_src_data = l_tilec->data_win;
}
if (l_remaining) {
++l_size_comp;
}
if (l_size_comp == 3) {
l_size_comp = 4;
}
switch (l_size_comp) {
case 1: {
OPJ_CHAR * l_dest_ptr = (OPJ_CHAR *) p_dest;
const OPJ_INT32 * l_src_ptr = l_src_data;
if (l_img_comp->sgnd) {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
*(l_dest_ptr++) = (OPJ_CHAR)(*(l_src_ptr++));
}
l_src_ptr += l_stride;
}
} else {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
*(l_dest_ptr++) = (OPJ_CHAR)((*(l_src_ptr++)) & 0xff);
}
l_src_ptr += l_stride;
}
}
p_dest = (OPJ_BYTE *)l_dest_ptr;
}
break;
case 2: {
const OPJ_INT32 * l_src_ptr = l_src_data;
OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_dest;
if (l_img_comp->sgnd) {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
OPJ_INT16 val = (OPJ_INT16)(*(l_src_ptr++));
memcpy(l_dest_ptr, &val, sizeof(val));
l_dest_ptr ++;
}
l_src_ptr += l_stride;
}
} else {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
OPJ_INT16 val = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
memcpy(l_dest_ptr, &val, sizeof(val));
l_dest_ptr ++;
}
l_src_ptr += l_stride;
}
}
p_dest = (OPJ_BYTE*) l_dest_ptr;
}
break;
case 4: {
OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_dest;
const OPJ_INT32 * l_src_ptr = l_src_data;
for (j = 0; j < l_height; ++j) {
memcpy(l_dest_ptr, l_src_ptr, l_width * sizeof(OPJ_INT32));
l_dest_ptr += l_width;
l_src_ptr += l_width + l_stride;
}
p_dest = (OPJ_BYTE*) l_dest_ptr;
}
break;
}
++l_img_comp;
++l_tilec;
}
return OPJ_TRUE;
}
static void opj_tcd_free_tile(opj_tcd_t *p_tcd)
{
OPJ_UINT32 compno, resno, bandno, precno;
opj_tcd_tile_t *l_tile = 00;
opj_tcd_tilecomp_t *l_tile_comp = 00;
opj_tcd_resolution_t *l_res = 00;
opj_tcd_band_t *l_band = 00;
opj_tcd_precinct_t *l_precinct = 00;
OPJ_UINT32 l_nb_resolutions, l_nb_precincts;
void (* l_tcd_code_block_deallocate)(opj_tcd_precinct_t *) = 00;
if (! p_tcd) {
return;
}
if (! p_tcd->tcd_image) {
return;
}
if (p_tcd->m_is_decoder) {
l_tcd_code_block_deallocate = opj_tcd_code_block_dec_deallocate;
} else {
l_tcd_code_block_deallocate = opj_tcd_code_block_enc_deallocate;
}
l_tile = p_tcd->tcd_image->tiles;
if (! l_tile) {
return;
}
l_tile_comp = l_tile->comps;
for (compno = 0; compno < l_tile->numcomps; ++compno) {
l_res = l_tile_comp->resolutions;
if (l_res) {
l_nb_resolutions = l_tile_comp->resolutions_size / (OPJ_UINT32)sizeof(
opj_tcd_resolution_t);
for (resno = 0; resno < l_nb_resolutions; ++resno) {
l_band = l_res->bands;
for (bandno = 0; bandno < 3; ++bandno) {
l_precinct = l_band->precincts;
if (l_precinct) {
l_nb_precincts = l_band->precincts_data_size / (OPJ_UINT32)sizeof(
opj_tcd_precinct_t);
for (precno = 0; precno < l_nb_precincts; ++precno) {
opj_tgt_destroy(l_precinct->incltree);
l_precinct->incltree = 00;
opj_tgt_destroy(l_precinct->imsbtree);
l_precinct->imsbtree = 00;
(*l_tcd_code_block_deallocate)(l_precinct);
++l_precinct;
}
opj_free(l_band->precincts);
l_band->precincts = 00;
}
++l_band;
} /* for (resno */
++l_res;
}
opj_free(l_tile_comp->resolutions);
l_tile_comp->resolutions = 00;
}
if (l_tile_comp->ownsData && l_tile_comp->data) {
opj_image_data_free(l_tile_comp->data);
l_tile_comp->data = 00;
l_tile_comp->ownsData = 0;
l_tile_comp->data_size = 0;
l_tile_comp->data_size_needed = 0;
}
opj_image_data_free(l_tile_comp->data_win);
++l_tile_comp;
}
opj_free(l_tile->comps);
l_tile->comps = 00;
opj_free(p_tcd->tcd_image->tiles);
p_tcd->tcd_image->tiles = 00;
}
static OPJ_BOOL opj_tcd_t2_decode(opj_tcd_t *p_tcd,
OPJ_BYTE * p_src_data,
OPJ_UINT32 * p_data_read,
OPJ_UINT32 p_max_src_size,
opj_codestream_index_t *p_cstr_index,
opj_event_mgr_t *p_manager
)
{
opj_t2_t * l_t2;
l_t2 = opj_t2_create(p_tcd->image, p_tcd->cp);
if (l_t2 == 00) {
return OPJ_FALSE;
}
if (! opj_t2_decode_packets(
p_tcd,
l_t2,
p_tcd->tcd_tileno,
p_tcd->tcd_image->tiles,
p_src_data,
p_data_read,
p_max_src_size,
p_cstr_index,
p_manager)) {
opj_t2_destroy(l_t2);
return OPJ_FALSE;
}
opj_t2_destroy(l_t2);
/*---------------CLEAN-------------------*/
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_t1_decode(opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
{
OPJ_UINT32 compno;
opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
opj_tcd_tilecomp_t* l_tile_comp = l_tile->comps;
opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
volatile OPJ_BOOL ret = OPJ_TRUE;
OPJ_BOOL check_pterm = OPJ_FALSE;
opj_mutex_t* p_manager_mutex = NULL;
p_manager_mutex = opj_mutex_create();
/* Only enable PTERM check if we decode all layers */
if (p_tcd->tcp->num_layers_to_decode == p_tcd->tcp->numlayers &&
(l_tccp->cblksty & J2K_CCP_CBLKSTY_PTERM) != 0) {
check_pterm = OPJ_TRUE;
}
for (compno = 0; compno < l_tile->numcomps;
++compno, ++l_tile_comp, ++l_tccp) {
if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
continue;
}
opj_t1_decode_cblks(p_tcd, &ret, l_tile_comp, l_tccp,
p_manager, p_manager_mutex, check_pterm);
if (!ret) {
break;
}
}
opj_thread_pool_wait_completion(p_tcd->thread_pool, 0);
if (p_manager_mutex) {
opj_mutex_destroy(p_manager_mutex);
}
return ret;
}
static OPJ_BOOL opj_tcd_dwt_decode(opj_tcd_t *p_tcd)
{
OPJ_UINT32 compno;
opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
opj_image_comp_t * l_img_comp = p_tcd->image->comps;
for (compno = 0; compno < l_tile->numcomps;
compno++, ++l_tile_comp, ++l_img_comp, ++l_tccp) {
if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
continue;
}
if (l_tccp->qmfbid == 1) {
if (! opj_dwt_decode(p_tcd, l_tile_comp,
l_img_comp->resno_decoded + 1)) {
return OPJ_FALSE;
}
} else {
if (! opj_dwt_decode_real(p_tcd, l_tile_comp,
l_img_comp->resno_decoded + 1)) {
return OPJ_FALSE;
}
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_mct_decode(opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
{
opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
opj_tcp_t * l_tcp = p_tcd->tcp;
opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
OPJ_UINT32 l_samples, i;
if (l_tcp->mct == 0 || p_tcd->used_component != NULL) {
return OPJ_TRUE;
}
if (p_tcd->whole_tile_decoding) {
opj_tcd_resolution_t* res_comp0 = l_tile->comps[0].resolutions +
l_tile_comp->minimum_num_resolutions - 1;
/* A bit inefficient: we process more data than needed if */
/* resno_decoded < l_tile_comp->minimum_num_resolutions-1, */
/* but we would need to take into account a stride then */
l_samples = (OPJ_UINT32)((res_comp0->x1 - res_comp0->x0) *
(res_comp0->y1 - res_comp0->y0));
if (l_tile->numcomps >= 3) {
if (l_tile_comp->minimum_num_resolutions !=
l_tile->comps[1].minimum_num_resolutions ||
l_tile_comp->minimum_num_resolutions !=
l_tile->comps[2].minimum_num_resolutions) {
opj_event_msg(p_manager, EVT_ERROR,
"Tiles don't all have the same dimension. Skip the MCT step.\n");
return OPJ_FALSE;
}
}
if (l_tile->numcomps >= 3) {
opj_tcd_resolution_t* res_comp1 = l_tile->comps[1].resolutions +
l_tile_comp->minimum_num_resolutions - 1;
opj_tcd_resolution_t* res_comp2 = l_tile->comps[2].resolutions +
l_tile_comp->minimum_num_resolutions - 1;
/* testcase 1336.pdf.asan.47.376 */
if (p_tcd->image->comps[0].resno_decoded !=
p_tcd->image->comps[1].resno_decoded ||
p_tcd->image->comps[0].resno_decoded !=
p_tcd->image->comps[2].resno_decoded ||
(OPJ_SIZE_T)(res_comp1->x1 - res_comp1->x0) *
(OPJ_SIZE_T)(res_comp1->y1 - res_comp1->y0) != l_samples ||
(OPJ_SIZE_T)(res_comp2->x1 - res_comp2->x0) *
(OPJ_SIZE_T)(res_comp2->y1 - res_comp2->y0) != l_samples) {
opj_event_msg(p_manager, EVT_ERROR,
"Tiles don't all have the same dimension. Skip the MCT step.\n");
return OPJ_FALSE;
}
}
} else {
opj_tcd_resolution_t* res_comp0 = l_tile->comps[0].resolutions +
p_tcd->image->comps[0].resno_decoded;
l_samples = (res_comp0->win_x1 - res_comp0->win_x0) *
(res_comp0->win_y1 - res_comp0->win_y0);
if (l_tile->numcomps >= 3) {
opj_tcd_resolution_t* res_comp1 = l_tile->comps[1].resolutions +
p_tcd->image->comps[1].resno_decoded;
opj_tcd_resolution_t* res_comp2 = l_tile->comps[2].resolutions +
p_tcd->image->comps[2].resno_decoded;
/* testcase 1336.pdf.asan.47.376 */
if (p_tcd->image->comps[0].resno_decoded !=
p_tcd->image->comps[1].resno_decoded ||
p_tcd->image->comps[0].resno_decoded !=
p_tcd->image->comps[2].resno_decoded ||
(OPJ_SIZE_T)(res_comp1->win_x1 - res_comp1->win_x0) *
(OPJ_SIZE_T)(res_comp1->win_y1 - res_comp1->win_y0) != l_samples ||
(OPJ_SIZE_T)(res_comp2->win_x1 - res_comp2->win_x0) *
(OPJ_SIZE_T)(res_comp2->win_y1 - res_comp2->win_y0) != l_samples) {
opj_event_msg(p_manager, EVT_ERROR,
"Tiles don't all have the same dimension. Skip the MCT step.\n");
return OPJ_FALSE;
}
}
}
if (l_tile->numcomps >= 3) {
if (l_tcp->mct == 2) {
OPJ_BYTE ** l_data;
if (! l_tcp->m_mct_decoding_matrix) {
return OPJ_TRUE;
}
l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps * sizeof(OPJ_BYTE*));
if (! l_data) {
return OPJ_FALSE;
}
for (i = 0; i < l_tile->numcomps; ++i) {
if (p_tcd->whole_tile_decoding) {
l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
} else {
l_data[i] = (OPJ_BYTE*) l_tile_comp->data_win;
}
++l_tile_comp;
}
if (! opj_mct_decode_custom(/* MCT data */
(OPJ_BYTE*) l_tcp->m_mct_decoding_matrix,
/* size of components */
l_samples,
/* components */
l_data,
/* nb of components (i.e. size of pData) */
l_tile->numcomps,
/* tells if the data is signed */
p_tcd->image->comps->sgnd)) {
opj_free(l_data);
return OPJ_FALSE;
}
opj_free(l_data);
} else {
if (l_tcp->tccps->qmfbid == 1) {
if (p_tcd->whole_tile_decoding) {
opj_mct_decode(l_tile->comps[0].data,
l_tile->comps[1].data,
l_tile->comps[2].data,
l_samples);
} else {
opj_mct_decode(l_tile->comps[0].data_win,
l_tile->comps[1].data_win,
l_tile->comps[2].data_win,
l_samples);
}
} else {
if (p_tcd->whole_tile_decoding) {
opj_mct_decode_real((OPJ_FLOAT32*)l_tile->comps[0].data,
(OPJ_FLOAT32*)l_tile->comps[1].data,
(OPJ_FLOAT32*)l_tile->comps[2].data,
l_samples);
} else {
opj_mct_decode_real((OPJ_FLOAT32*)l_tile->comps[0].data_win,
(OPJ_FLOAT32*)l_tile->comps[1].data_win,
(OPJ_FLOAT32*)l_tile->comps[2].data_win,
l_samples);
}
}
}
} else {
opj_event_msg(p_manager, EVT_ERROR,
"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",
l_tile->numcomps);
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_dc_level_shift_decode(opj_tcd_t *p_tcd)
{
OPJ_UINT32 compno;
opj_tcd_tilecomp_t * l_tile_comp = 00;
opj_tccp_t * l_tccp = 00;
opj_image_comp_t * l_img_comp = 00;
opj_tcd_resolution_t* l_res = 00;
opj_tcd_tile_t * l_tile;
OPJ_UINT32 l_width, l_height, i, j;
OPJ_INT32 * l_current_ptr;
OPJ_INT32 l_min, l_max;
OPJ_UINT32 l_stride;
l_tile = p_tcd->tcd_image->tiles;
l_tile_comp = l_tile->comps;
l_tccp = p_tcd->tcp->tccps;
l_img_comp = p_tcd->image->comps;
for (compno = 0; compno < l_tile->numcomps;
compno++, ++l_img_comp, ++l_tccp, ++l_tile_comp) {
if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
continue;
}
l_res = l_tile_comp->resolutions + l_img_comp->resno_decoded;
if (!p_tcd->whole_tile_decoding) {
l_width = l_res->win_x1 - l_res->win_x0;
l_height = l_res->win_y1 - l_res->win_y0;
l_stride = 0;
l_current_ptr = l_tile_comp->data_win;
} else {
l_width = (OPJ_UINT32)(l_res->x1 - l_res->x0);
l_height = (OPJ_UINT32)(l_res->y1 - l_res->y0);
l_stride = (OPJ_UINT32)(
l_tile_comp->resolutions[l_tile_comp->minimum_num_resolutions - 1].x1 -
l_tile_comp->resolutions[l_tile_comp->minimum_num_resolutions - 1].x0)
- l_width;
l_current_ptr = l_tile_comp->data;
assert(l_height == 0 ||
l_width + l_stride <= l_tile_comp->data_size / l_height); /*MUPDF*/
}
if (l_img_comp->sgnd) {
l_min = -(1 << (l_img_comp->prec - 1));
l_max = (1 << (l_img_comp->prec - 1)) - 1;
} else {
l_min = 0;
l_max = (OPJ_INT32)((1U << l_img_comp->prec) - 1);
}
if (l_tccp->qmfbid == 1) {
for (j = 0; j < l_height; ++j) {
for (i = 0; i < l_width; ++i) {
/* TODO: do addition on int64 ? */
*l_current_ptr = opj_int_clamp(*l_current_ptr + l_tccp->m_dc_level_shift, l_min,
l_max);
++l_current_ptr;
}
l_current_ptr += l_stride;
}
} else {
for (j = 0; j < l_height; ++j) {
for (i = 0; i < l_width; ++i) {
OPJ_FLOAT32 l_value = *((OPJ_FLOAT32 *) l_current_ptr);
if (l_value > INT_MAX) {
*l_current_ptr = l_max;
} else if (l_value < INT_MIN) {
*l_current_ptr = l_min;
} else {
/* Do addition on int64 to avoid overflows */
OPJ_INT64 l_value_int = (OPJ_INT64)opj_lrintf(l_value);
*l_current_ptr = (OPJ_INT32)opj_int64_clamp(
l_value_int + l_tccp->m_dc_level_shift, l_min, l_max);
}
++l_current_ptr;
}
l_current_ptr += l_stride;
}
}
}
return OPJ_TRUE;
}
/**
* Deallocates the encoding data of the given precinct.
*/
static void opj_tcd_code_block_dec_deallocate(opj_tcd_precinct_t * p_precinct)
{
OPJ_UINT32 cblkno, l_nb_code_blocks;
opj_tcd_cblk_dec_t * l_code_block = p_precinct->cblks.dec;
if (l_code_block) {
/*fprintf(stderr,"deallocate codeblock:{\n");*/
/*fprintf(stderr,"\t x0=%d, y0=%d, x1=%d, y1=%d\n",l_code_block->x0, l_code_block->y0, l_code_block->x1, l_code_block->y1);*/
/*fprintf(stderr,"\t numbps=%d, numlenbits=%d, len=%d, numnewpasses=%d, real_num_segs=%d, m_current_max_segs=%d\n ",
l_code_block->numbps, l_code_block->numlenbits, l_code_block->len, l_code_block->numnewpasses, l_code_block->real_num_segs, l_code_block->m_current_max_segs );*/
l_nb_code_blocks = p_precinct->block_size / (OPJ_UINT32)sizeof(
opj_tcd_cblk_dec_t);
/*fprintf(stderr,"nb_code_blocks =%d\t}\n", l_nb_code_blocks);*/
for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
if (l_code_block->segs) {
opj_free(l_code_block->segs);
l_code_block->segs = 00;
}
if (l_code_block->chunks) {
opj_free(l_code_block->chunks);
l_code_block->chunks = 00;
}
opj_aligned_free(l_code_block->decoded_data);
l_code_block->decoded_data = NULL;
++l_code_block;
}
opj_free(p_precinct->cblks.dec);
p_precinct->cblks.dec = 00;
}
}
/**
* Deallocates the encoding data of the given precinct.
*/
static void opj_tcd_code_block_enc_deallocate(opj_tcd_precinct_t * p_precinct)
{
OPJ_UINT32 cblkno, l_nb_code_blocks;
opj_tcd_cblk_enc_t * l_code_block = p_precinct->cblks.enc;
if (l_code_block) {
l_nb_code_blocks = p_precinct->block_size / (OPJ_UINT32)sizeof(
opj_tcd_cblk_enc_t);
for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
if (l_code_block->data) {
/* We refer to data - 1 since below we incremented it */
/* in opj_tcd_code_block_enc_allocate_data() */
opj_free(l_code_block->data - 1);
l_code_block->data = 00;
}
if (l_code_block->layers) {
opj_free(l_code_block->layers);
l_code_block->layers = 00;
}
if (l_code_block->passes) {
opj_free(l_code_block->passes);
l_code_block->passes = 00;
}
++l_code_block;
}
opj_free(p_precinct->cblks.enc);
p_precinct->cblks.enc = 00;
}
}
OPJ_SIZE_T opj_tcd_get_encoded_tile_size(opj_tcd_t *p_tcd)
{
OPJ_UINT32 i;
OPJ_SIZE_T l_data_size = 0;
opj_image_comp_t * l_img_comp = 00;
opj_tcd_tilecomp_t * l_tilec = 00;
OPJ_UINT32 l_size_comp, l_remaining;
l_tilec = p_tcd->tcd_image->tiles->comps;
l_img_comp = p_tcd->image->comps;
for (i = 0; i < p_tcd->image->numcomps; ++i) {
l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
l_remaining = l_img_comp->prec & 7; /* (%8) */
if (l_remaining) {
++l_size_comp;
}
if (l_size_comp == 3) {
l_size_comp = 4;
}
l_data_size += l_size_comp * ((OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0) *
(OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0));
++l_img_comp;
++l_tilec;
}
return l_data_size;
}
static OPJ_BOOL opj_tcd_dc_level_shift_encode(opj_tcd_t *p_tcd)
{
OPJ_UINT32 compno;
opj_tcd_tilecomp_t * l_tile_comp = 00;
opj_tccp_t * l_tccp = 00;
opj_image_comp_t * l_img_comp = 00;
opj_tcd_tile_t * l_tile;
OPJ_SIZE_T l_nb_elem, i;
OPJ_INT32 * l_current_ptr;
l_tile = p_tcd->tcd_image->tiles;
l_tile_comp = l_tile->comps;
l_tccp = p_tcd->tcp->tccps;
l_img_comp = p_tcd->image->comps;
for (compno = 0; compno < l_tile->numcomps; compno++) {
l_current_ptr = l_tile_comp->data;
l_nb_elem = (OPJ_SIZE_T)(l_tile_comp->x1 - l_tile_comp->x0) *
(OPJ_SIZE_T)(l_tile_comp->y1 - l_tile_comp->y0);
if (l_tccp->qmfbid == 1) {
for (i = 0; i < l_nb_elem; ++i) {
*l_current_ptr -= l_tccp->m_dc_level_shift ;
++l_current_ptr;
}
} else {
for (i = 0; i < l_nb_elem; ++i) {
*l_current_ptr = (*l_current_ptr - l_tccp->m_dc_level_shift) * (1 << 11);
++l_current_ptr;
}
}
++l_img_comp;
++l_tccp;
++l_tile_comp;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_mct_encode(opj_tcd_t *p_tcd)
{
opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
opj_tcd_tilecomp_t * l_tile_comp = p_tcd->tcd_image->tiles->comps;
OPJ_SIZE_T samples = (OPJ_SIZE_T)(l_tile_comp->x1 - l_tile_comp->x0) *
(OPJ_SIZE_T)(l_tile_comp->y1 - l_tile_comp->y0);
OPJ_UINT32 i;
OPJ_BYTE ** l_data = 00;
opj_tcp_t * l_tcp = p_tcd->tcp;
if (!p_tcd->tcp->mct) {
return OPJ_TRUE;
}
if (p_tcd->tcp->mct == 2) {
if (! p_tcd->tcp->m_mct_coding_matrix) {
return OPJ_TRUE;
}
l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps * sizeof(OPJ_BYTE*));
if (! l_data) {
return OPJ_FALSE;
}
for (i = 0; i < l_tile->numcomps; ++i) {
l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
++l_tile_comp;
}
if (! opj_mct_encode_custom(/* MCT data */
(OPJ_BYTE*) p_tcd->tcp->m_mct_coding_matrix,
/* size of components */
samples,
/* components */
l_data,
/* nb of components (i.e. size of pData) */
l_tile->numcomps,
/* tells if the data is signed */
p_tcd->image->comps->sgnd)) {
opj_free(l_data);
return OPJ_FALSE;
}
opj_free(l_data);
} else if (l_tcp->tccps->qmfbid == 0) {
opj_mct_encode_real(l_tile->comps[0].data, l_tile->comps[1].data,
l_tile->comps[2].data, samples);
} else {
opj_mct_encode(l_tile->comps[0].data, l_tile->comps[1].data,
l_tile->comps[2].data, samples);
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_dwt_encode(opj_tcd_t *p_tcd)
{
opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
opj_tcd_tilecomp_t * l_tile_comp = p_tcd->tcd_image->tiles->comps;
opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
OPJ_UINT32 compno;
for (compno = 0; compno < l_tile->numcomps; ++compno) {
if (l_tccp->qmfbid == 1) {
if (! opj_dwt_encode(l_tile_comp)) {
return OPJ_FALSE;
}
} else if (l_tccp->qmfbid == 0) {
if (! opj_dwt_encode_real(l_tile_comp)) {
return OPJ_FALSE;
}
}
++l_tile_comp;
++l_tccp;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_t1_encode(opj_tcd_t *p_tcd)
{
opj_t1_t * l_t1;
const OPJ_FLOAT64 * l_mct_norms;
OPJ_UINT32 l_mct_numcomps = 0U;
opj_tcp_t * l_tcp = p_tcd->tcp;
l_t1 = opj_t1_create(OPJ_TRUE);
if (l_t1 == 00) {
return OPJ_FALSE;
}
if (l_tcp->mct == 1) {
l_mct_numcomps = 3U;
/* irreversible encoding */
if (l_tcp->tccps->qmfbid == 0) {
l_mct_norms = opj_mct_get_mct_norms_real();
} else {
l_mct_norms = opj_mct_get_mct_norms();
}
} else {
l_mct_numcomps = p_tcd->image->numcomps;
l_mct_norms = (const OPJ_FLOAT64 *)(l_tcp->mct_norms);
}
if (! opj_t1_encode_cblks(l_t1, p_tcd->tcd_image->tiles, l_tcp, l_mct_norms,
l_mct_numcomps)) {
opj_t1_destroy(l_t1);
return OPJ_FALSE;
}
opj_t1_destroy(l_t1);
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_t2_encode(opj_tcd_t *p_tcd,
OPJ_BYTE * p_dest_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_max_dest_size,
opj_codestream_info_t *p_cstr_info,
opj_event_mgr_t *p_manager)
{
opj_t2_t * l_t2;
l_t2 = opj_t2_create(p_tcd->image, p_tcd->cp);
if (l_t2 == 00) {
return OPJ_FALSE;
}
if (! opj_t2_encode_packets(
l_t2,
p_tcd->tcd_tileno,
p_tcd->tcd_image->tiles,
p_tcd->tcp->numlayers,
p_dest_data,
p_data_written,
p_max_dest_size,
p_cstr_info,
p_tcd->tp_num,
p_tcd->tp_pos,
p_tcd->cur_pino,
FINAL_PASS,
p_manager)) {
opj_t2_destroy(l_t2);
return OPJ_FALSE;
}
opj_t2_destroy(l_t2);
/*---------------CLEAN-------------------*/
return OPJ_TRUE;
}
static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
OPJ_BYTE * p_dest_data,
OPJ_UINT32 p_max_dest_size,
opj_codestream_info_t *p_cstr_info,
opj_event_mgr_t *p_manager)
{
opj_cp_t * l_cp = p_tcd->cp;
OPJ_UINT32 l_nb_written = 0;
if (p_cstr_info) {
p_cstr_info->index_write = 0;
}
if (l_cp->m_specific_param.m_enc.m_disto_alloc ||
l_cp->m_specific_param.m_enc.m_fixed_quality) {
/* fixed_quality */
/* Normal Rate/distortion allocation */
if (! opj_tcd_rateallocate(p_tcd, p_dest_data, &l_nb_written, p_max_dest_size,
p_cstr_info, p_manager)) {
return OPJ_FALSE;
}
} else {
/* Fixed layer allocation */
opj_tcd_rateallocate_fixed(p_tcd);
}
return OPJ_TRUE;
}
OPJ_BOOL opj_tcd_copy_tile_data(opj_tcd_t *p_tcd,
OPJ_BYTE * p_src,
OPJ_SIZE_T p_src_length)
{
OPJ_UINT32 i;
OPJ_SIZE_T j;
OPJ_SIZE_T l_data_size = 0;
opj_image_comp_t * l_img_comp = 00;
opj_tcd_tilecomp_t * l_tilec = 00;
OPJ_UINT32 l_size_comp, l_remaining;
OPJ_SIZE_T l_nb_elem;
l_data_size = opj_tcd_get_encoded_tile_size(p_tcd);
if (l_data_size != p_src_length) {
return OPJ_FALSE;
}
l_tilec = p_tcd->tcd_image->tiles->comps;
l_img_comp = p_tcd->image->comps;
for (i = 0; i < p_tcd->image->numcomps; ++i) {
l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
l_remaining = l_img_comp->prec & 7; /* (%8) */
l_nb_elem = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0) *
(OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);
if (l_remaining) {
++l_size_comp;
}
if (l_size_comp == 3) {
l_size_comp = 4;
}
switch (l_size_comp) {
case 1: {
OPJ_CHAR * l_src_ptr = (OPJ_CHAR *) p_src;
OPJ_INT32 * l_dest_ptr = l_tilec->data;
if (l_img_comp->sgnd) {
for (j = 0; j < l_nb_elem; ++j) {
*(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
}
} else {
for (j = 0; j < l_nb_elem; ++j) {
*(l_dest_ptr++) = (*(l_src_ptr++)) & 0xff;
}
}
p_src = (OPJ_BYTE*) l_src_ptr;
}
break;
case 2: {
OPJ_INT32 * l_dest_ptr = l_tilec->data;
OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_src;
if (l_img_comp->sgnd) {
for (j = 0; j < l_nb_elem; ++j) {
*(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
}
} else {
for (j = 0; j < l_nb_elem; ++j) {
*(l_dest_ptr++) = (*(l_src_ptr++)) & 0xffff;
}
}
p_src = (OPJ_BYTE*) l_src_ptr;
}
break;
case 4: {
OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_src;
OPJ_INT32 * l_dest_ptr = l_tilec->data;
for (j = 0; j < l_nb_elem; ++j) {
*(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
}
p_src = (OPJ_BYTE*) l_src_ptr;
}
break;
}
++l_img_comp;
++l_tilec;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t* band)
{
return (band->x1 - band->x0 == 0) || (band->y1 - band->y0 == 0);
}
OPJ_BOOL opj_tcd_is_subband_area_of_interest(opj_tcd_t *tcd,
OPJ_UINT32 compno,
OPJ_UINT32 resno,
OPJ_UINT32 bandno,
OPJ_UINT32 band_x0,
OPJ_UINT32 band_y0,
OPJ_UINT32 band_x1,
OPJ_UINT32 band_y1)
{
/* Note: those values for filter_margin are in part the result of */
/* experimentation. The value 2 for QMFBID=1 (5x3 filter) can be linked */
/* to the maximum left/right extension given in tables F.2 and F.3 of the */
/* standard. The value 3 for QMFBID=0 (9x7 filter) is more suspicious, */
/* since F.2 and F.3 would lead to 4 instead, so the current 3 might be */
/* needed to be bumped to 4, in case inconsistencies are found while */
/* decoding parts of irreversible coded images. */
/* See opj_dwt_decode_partial_53 and opj_dwt_decode_partial_97 as well */
OPJ_UINT32 filter_margin = (tcd->tcp->tccps[compno].qmfbid == 1) ? 2 : 3;
opj_tcd_tilecomp_t *tilec = &(tcd->tcd_image->tiles->comps[compno]);
opj_image_comp_t* image_comp = &(tcd->image->comps[compno]);
/* Compute the intersection of the area of interest, expressed in tile coordinates */
/* with the tile coordinates */
OPJ_UINT32 tcx0 = opj_uint_max(
(OPJ_UINT32)tilec->x0,
opj_uint_ceildiv(tcd->win_x0, image_comp->dx));
OPJ_UINT32 tcy0 = opj_uint_max(
(OPJ_UINT32)tilec->y0,
opj_uint_ceildiv(tcd->win_y0, image_comp->dy));
OPJ_UINT32 tcx1 = opj_uint_min(
(OPJ_UINT32)tilec->x1,
opj_uint_ceildiv(tcd->win_x1, image_comp->dx));
OPJ_UINT32 tcy1 = opj_uint_min(
(OPJ_UINT32)tilec->y1,
opj_uint_ceildiv(tcd->win_y1, image_comp->dy));
/* Compute number of decomposition for this band. See table F-1 */
OPJ_UINT32 nb = (resno == 0) ?
tilec->numresolutions - 1 :
tilec->numresolutions - resno;
/* Map above tile-based coordinates to sub-band-based coordinates per */
/* equation B-15 of the standard */
OPJ_UINT32 x0b = bandno & 1;
OPJ_UINT32 y0b = bandno >> 1;
OPJ_UINT32 tbx0 = (nb == 0) ? tcx0 :
(tcx0 <= (1U << (nb - 1)) * x0b) ? 0 :
opj_uint_ceildivpow2(tcx0 - (1U << (nb - 1)) * x0b, nb);
OPJ_UINT32 tby0 = (nb == 0) ? tcy0 :
(tcy0 <= (1U << (nb - 1)) * y0b) ? 0 :
opj_uint_ceildivpow2(tcy0 - (1U << (nb - 1)) * y0b, nb);
OPJ_UINT32 tbx1 = (nb == 0) ? tcx1 :
(tcx1 <= (1U << (nb - 1)) * x0b) ? 0 :
opj_uint_ceildivpow2(tcx1 - (1U << (nb - 1)) * x0b, nb);
OPJ_UINT32 tby1 = (nb == 0) ? tcy1 :
(tcy1 <= (1U << (nb - 1)) * y0b) ? 0 :
opj_uint_ceildivpow2(tcy1 - (1U << (nb - 1)) * y0b, nb);
OPJ_BOOL intersects;
if (tbx0 < filter_margin) {
tbx0 = 0;
} else {
tbx0 -= filter_margin;
}
if (tby0 < filter_margin) {
tby0 = 0;
} else {
tby0 -= filter_margin;
}
tbx1 = opj_uint_adds(tbx1, filter_margin);
tby1 = opj_uint_adds(tby1, filter_margin);
intersects = band_x0 < tbx1 && band_y0 < tby1 && band_x1 > tbx0 &&
band_y1 > tby0;
#ifdef DEBUG_VERBOSE
printf("compno=%u resno=%u nb=%u bandno=%u x0b=%u y0b=%u band=%u,%u,%u,%u tb=%u,%u,%u,%u -> %u\n",
compno, resno, nb, bandno, x0b, y0b,
band_x0, band_y0, band_x1, band_y1,
tbx0, tby0, tbx1, tby1, intersects);
#endif
return intersects;
}
/** Returns whether a tile componenent is fully decoded, taking into account
* p_tcd->win_* members.
*
* @param p_tcd TCD handle.
* @param compno Component number
* @return OPJ_TRUE whether the tile componenent is fully decoded
*/
static OPJ_BOOL opj_tcd_is_whole_tilecomp_decoding(opj_tcd_t *p_tcd,
OPJ_UINT32 compno)
{
opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
/* Compute the intersection of the area of interest, expressed in tile coordinates */
/* with the tile coordinates */
OPJ_UINT32 tcx0 = opj_uint_max(
(OPJ_UINT32)tilec->x0,
opj_uint_ceildiv(p_tcd->win_x0, image_comp->dx));
OPJ_UINT32 tcy0 = opj_uint_max(
(OPJ_UINT32)tilec->y0,
opj_uint_ceildiv(p_tcd->win_y0, image_comp->dy));
OPJ_UINT32 tcx1 = opj_uint_min(
(OPJ_UINT32)tilec->x1,
opj_uint_ceildiv(p_tcd->win_x1, image_comp->dx));
OPJ_UINT32 tcy1 = opj_uint_min(
(OPJ_UINT32)tilec->y1,
opj_uint_ceildiv(p_tcd->win_y1, image_comp->dy));
OPJ_UINT32 shift = tilec->numresolutions - tilec->minimum_num_resolutions;
/* Tolerate small margin within the reduced resolution factor to consider if */
/* the whole tile path must be taken */
return (tcx0 >= (OPJ_UINT32)tilec->x0 &&
tcy0 >= (OPJ_UINT32)tilec->y0 &&
tcx1 <= (OPJ_UINT32)tilec->x1 &&
tcy1 <= (OPJ_UINT32)tilec->y1 &&
(shift >= 32 ||
(((tcx0 - (OPJ_UINT32)tilec->x0) >> shift) == 0 &&
((tcy0 - (OPJ_UINT32)tilec->y0) >> shift) == 0 &&
(((OPJ_UINT32)tilec->x1 - tcx1) >> shift) == 0 &&
(((OPJ_UINT32)tilec->y1 - tcy1) >> shift) == 0)));
}