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[trunk] Updated checks regarding number of decomposition levels when compressing 

Update  issue 215
This commit is contained in:
Matthieu Darbois 2014-12-19 22:56:00 +00:00
parent 58fc86452d
commit dde788b59e
2 changed files with 8 additions and 9 deletions
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13
src/lib/openjp2/j2k.c
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@ -7074,21 +7074,20 @@ OPJ_BOOL opj_j2k_encoding_validation ( opj_j2k_t * p_j2k,
/* make sure a validation list is present */
l_is_valid &= (p_j2k->m_validation_list != 00);
/* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
/* 33 (32) would always fail the 2 checks below (if a cast to 64bits was done) */
/* 32 (31) would always fail the 2 checks below (if a cast to 64bits was done) */
/* FIXME Shall we change OPJ_J2K_MAXRLVLS to 31 ? */
if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) || (p_j2k->m_cp.tcps->tccps->numresolutions > 31)) {
/* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
/* 33 (32) would always fail the check below (if a cast to 64bits was done) */
/* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) || (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
return OPJ_FALSE;
}
if ((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions)) {
if ((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
return OPJ_FALSE;
}
if ((p_j2k->m_cp.tdy) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions)) {
if ((p_j2k->m_cp.tdy) < (OPJ_UINT32) (1 << (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
return OPJ_FALSE;
}

4
tests/nonregression/test_suite.ctest.in
View File

@ -46,8 +46,8 @@ opj_compress -i @INPUT_NR_PATH@/issue141.rawl -o @TEMP_PATH@/issue141.rawl.j2k
opj_compress -i @INPUT_NR_PATH@/Bretagne2.ppm -o @TEMP_PATH@/Bretagne2_0.j2k -c [64,64]
# issue 316
opj_compress -i @INPUT_NR_PATH@/issue316.png -o @TEMP_PATH@/issue316.png.jp2
# issue 416 (cdef for png with alpha) + issue 436 (MCT norm read buffer overflow for num comp > 3
opj_compress -i @INPUT_NR_PATH@/basn6a08.png -o @TEMP_PATH@/basn6a08.png.jp2 -n 5
# issue 416 (cdef for png with alpha) + issue 436 (MCT norm read buffer overflow for num comp > 3 + Issue 215 number of decomp levels
opj_compress -i @INPUT_NR_PATH@/basn6a08.png -o @TEMP_PATH@/basn6a08.png.jp2 -n 6
# DECODER TEST SUITE
opj_decompress -i @INPUT_NR_PATH@/Bretagne2.j2k -o @TEMP_PATH@/Bretagne2.j2k.pgx