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Merge pull request #1482 from mayeut/use-opj_uint_ceildiv
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fix: use `opj_uint_ceildiv` instead of `opj_int_ceildiv` when necessary
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@rouault
rouault committed Sep 23, 2023
2 parents 1ee6d11 + dc194c2 commit 6af3931
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Showing 5 changed files with 33 additions and 35 deletions.
62 changes: 27 additions & 35 deletions src/lib/openjp2/j2k.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2333,10 +2333,8 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
}

/* Compute the number of tiles */
l_cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->x1 - l_cp->tx0),
(OPJ_INT32)l_cp->tdx);
l_cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->y1 - l_cp->ty0),
(OPJ_INT32)l_cp->tdy);
l_cp->tw = opj_uint_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
l_cp->th = opj_uint_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);

/* Check that the number of tiles is valid */
if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
Expand All @@ -2353,12 +2351,12 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
(p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
p_j2k->m_specific_param.m_decoder.m_start_tile_y =
(p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv((
OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0),
(OPJ_INT32)l_cp->tdx);
p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv((
OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0),
(OPJ_INT32)l_cp->tdy);
p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(
p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0,
l_cp->tdx);
p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0,
l_cp->tdy);
} else {
p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
Expand Down Expand Up @@ -7989,10 +7987,8 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
opj_event_msg(p_manager, EVT_ERROR, "Invalid tile height\n");
return OPJ_FALSE;
}
cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0),
(OPJ_INT32)cp->tdx);
cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0),
(OPJ_INT32)cp->tdy);
cp->tw = opj_uint_ceildiv(image->x1 - cp->tx0, cp->tdx);
cp->th = opj_uint_ceildiv(image->y1 - cp->ty0, cp->tdy);
/* Check that the number of tiles is valid */
if (cp->tw > 65535 / cp->th) {
opj_event_msg(p_manager, EVT_ERROR,
Expand Down Expand Up @@ -10189,10 +10185,8 @@ static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
return OPJ_FALSE;
}

l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
(OPJ_INT32)l_img_comp->dx);
l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
(OPJ_INT32)l_img_comp->dy);
l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);

Expand Down Expand Up @@ -10395,8 +10389,8 @@ OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
p_image->x1 = l_image->x1;
} else {
p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(
p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv((
OPJ_UINT32)p_end_x - l_cp->tx0, l_cp->tdx);
p_image->x1 = (OPJ_UINT32)p_end_x;
}

Expand All @@ -10419,8 +10413,8 @@ OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
p_image->y1 = l_image->y1;
} else {
p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(
p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv((
OPJ_UINT32)p_end_y - l_cp->ty0, l_cp->tdy);
p_image->y1 = (OPJ_UINT32)p_end_y;
}
/* ----- */
Expand Down Expand Up @@ -11344,9 +11338,12 @@ static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)

fprintf(out_stream, "Codestream info from main header: {\n");

fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
fprintf(out_stream, "\t tx0=%" PRIu32 ", ty0=%" PRIu32 "\n", p_j2k->m_cp.tx0,
p_j2k->m_cp.ty0);
fprintf(out_stream, "\t tdx=%" PRIu32 ", tdy=%" PRIu32 "\n", p_j2k->m_cp.tdx,
p_j2k->m_cp.tdy);
fprintf(out_stream, "\t tw=%" PRIu32 ", th=%" PRIu32 "\n", p_j2k->m_cp.tw,
p_j2k->m_cp.th);
opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
(OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
fprintf(out_stream, "}\n");
Expand Down Expand Up @@ -12102,10 +12099,8 @@ OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,

l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;

l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
(OPJ_INT32)l_img_comp->dx);
l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
(OPJ_INT32)l_img_comp->dy);
l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);

Expand Down Expand Up @@ -12485,12 +12480,9 @@ static void opj_get_tile_dimensions(opj_image_t * l_image,

*l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
*l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
*l_offset_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x0,
(OPJ_INT32)l_img_comp->dx);
*l_offset_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->y0,
(OPJ_INT32)l_img_comp->dy);
*l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
(OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
*l_offset_x = opj_uint_ceildiv(l_image->x0, l_img_comp->dx);
*l_offset_y = opj_uint_ceildiv(l_image->y0, l_img_comp->dy);
*l_image_width = opj_uint_ceildiv(l_image->x1 - l_image->x0, l_img_comp->dx);
*l_stride = *l_image_width - *l_width;
*l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
Expand Down
1 change: 1 addition & 0 deletions tests/nonregression/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@ set(BLACKLIST_JPEG2000
issue823.jp2 #kdu_jp2info ok
issue826.jp2 #inspection reveales that the transformation value is out of range
oss-fuzz2785.jp2 #inspection reveales that the transformation value is out of range
issue1438.j2k
)

file(GLOB_RECURSE OPJ_DATA_NR_LIST
Expand Down
1 change: 1 addition & 0 deletions tests/nonregression/md5refs.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -397,3 +397,4 @@ c34637a0f218e4074936e0c89534c5b5 tnsot_zero_missing_eoc.png
33aeb45c59383bb4c2d3671f6431c718 Bretagne1_ht_lossy.j2k.png
c34637a0f218e4074936e0c89534c5b5 byte.jph.png
c34637a0f218e4074936e0c89534c5b5 byte_causal.jhc.png
bc4f704c723329147bf6601a8b113bb2 huge-tile-size.png
4 changes: 4 additions & 0 deletions tests/nonregression/test_suite.ctest.in
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Original file line number Diff line number Diff line change
Expand Up @@ -657,3 +657,7 @@ opj_decompress -i @INPUT_NR_PATH@/htj2k/Bretagne1_ht.j2k -o @TEMP_PATH@/Bretagne
opj_decompress -i @INPUT_NR_PATH@/htj2k/Bretagne1_ht_lossy.j2k -o @TEMP_PATH@/Bretagne1_ht_lossy.j2k.png
opj_decompress -i @INPUT_NR_PATH@/htj2k/byte.jph -o @TEMP_PATH@/byte.jph.png
opj_decompress -i @INPUT_NR_PATH@/htj2k/byte_causal.jhc -o @TEMP_PATH@/byte_causal.jhc.png

# huge tile size
opj_decompress -i @INPUT_NR_PATH@/huge-tile-size.jp2 -o @TEMP_PATH@/huge-tile-size.png
!opj_decompress -i @INPUT_NR_PATH@/issue1438.j2k -o @TEMP_PATH@/issue1438.png
0 ...tu22.04-gcc11.3.0-x86_64-Release-3rdP.txt → ...tu22.04-gcc11.4.0-x86_64-Release-3rdP.txt
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