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fixed part of issue 69, when tile-part index is inconsistent with the total number of tile-parts

This commit is contained in:
Antonin Descampe 2011-05-16 11:07:37 +00:00
parent ed71feac52
commit 18cb325a8e
2 changed files with 15 additions and 8 deletions
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3
CHANGES
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@ -5,6 +5,9 @@ What's New for OpenJPEG
! : changed ! : changed
+ : added + : added
May 16, 2011
* [antonin] fixed part of issue 69, when tile-part index is inconsistent with the total number of tile-parts
May 12, 2011 May 12, 2011
* [antonin] xcode project file updated (now integrates openjpip) * [antonin] xcode project file updated (now integrates openjpip)

20
libopenjpeg/j2k.c
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@ -1280,6 +1280,11 @@ static void j2k_read_sot(opj_j2k_t *j2k) {
partno = cio_read(cio, 1); partno = cio_read(cio, 1);
numparts = cio_read(cio, 1); numparts = cio_read(cio, 1);
if (partno >= numparts) {
opj_event_msg(j2k->cinfo, EVT_WARNING, "SOT marker inconsistency in tile %d: tile-part index greater than number of tile-parts\n", tileno);
numparts = partno+1;
}
j2k->curtileno = tileno; j2k->curtileno = tileno;
j2k->cur_tp_num = partno; j2k->cur_tp_num = partno;
@ -1295,15 +1300,14 @@ static void j2k_read_sot(opj_j2k_t *j2k) {
j2k->cstr_info->tile[tileno].tileno = tileno; j2k->cstr_info->tile[tileno].tileno = tileno;
j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12; j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1; j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
j2k->cstr_info->tile[tileno].num_tps = numparts; } else {
if (numparts)
j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
else
j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
}
else {
j2k->cstr_info->tile[tileno].end_pos += totlen; j2k->cstr_info->tile[tileno].end_pos += totlen;
} }
j2k->cstr_info->tile[tileno].num_tps = numparts;
if (numparts)
j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
else
j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, 10 * sizeof(opj_tp_info_t)); // Fixme (10)
j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12; j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos = j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1; j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;