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Fixed crash on encoding 

Update #624
Update #625
This commit is contained in:
mayeut 2015-10-17 01:30:23 +02:00
parent dd81b5892d
commit 83249c318f
3 changed files with 20 additions and 12 deletions
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16
src/lib/openjp2/j2k.c
View File

@ -9947,6 +9947,7 @@ OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_max_tile_size = 0, l_current_tile_size;
OPJ_BYTE * l_current_data = 00;
OPJ_BOOL l_reuse_data = OPJ_FALSE;
opj_tcd_t* p_tcd = 00;
/* preconditions */
@ -9957,6 +9958,17 @@ OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
p_tcd = p_j2k->m_tcd;
l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
if (l_nb_tiles == 1) {
l_reuse_data = OPJ_TRUE;
#ifdef __SSE__
for (j=0;j<p_j2k->m_tcd->image->numcomps;++j) {
opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
if (((size_t)l_img_comp->data & 0xFU) != 0U) { /* tile data shall be aligned on 16 bytes */
l_reuse_data = OPJ_FALSE;
}
}
#endif
}
for (i=0;i<l_nb_tiles;++i) {
if (! opj_j2k_pre_write_tile(p_j2k,i,p_stream,p_manager)) {
if (l_current_data) {
@ -9969,7 +9981,7 @@ OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
/* otherwise, allocate the data */
for (j=0;j<p_j2k->m_tcd->image->numcomps;++j) {
opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
if (l_nb_tiles == 1) {
if (l_reuse_data) {
opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
l_tilec->data = l_img_comp->data;
l_tilec->ownsData = OPJ_FALSE;
@ -9984,7 +9996,7 @@ OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
}
}
l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
if (l_nb_tiles > 1) {
if (!l_reuse_data) {
if (l_current_tile_size > l_max_tile_size) {
OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data, l_current_tile_size);
if (! l_new_current_data) {

3
src/lib/openjp2/opj_malloc.c
View File

@ -79,8 +79,7 @@ static inline void *opj_aligned_realloc_n(void *ptr, size_t alignment, size_t si
* allocated array (eg. _msize on Windows, malloc_size on MacOS,
* malloc_usable_size on systems with glibc) */
a_ptr = opj_aligned_alloc_n(alignment, size);
/* memory may overlap, do not use memcpy */
memmove(a_ptr, r_ptr, size);
memcpy(a_ptr, r_ptr, size);
free( r_ptr );
return a_ptr;
/* _MSC_VER */

13
src/lib/openjp2/tcd.c
View File

@ -635,18 +635,15 @@ OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec)
l_tilec->ownsData = OPJ_TRUE;
}
else if (l_tilec->data_size_needed > l_tilec->data_size) {
OPJ_INT32 * new_data = (OPJ_INT32 *) opj_aligned_realloc(l_tilec->data, l_tilec->data_size_needed);
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle tile datan"); */
/* fprintf(stderr, "Not enough memory to handle tile data"); */
if (! new_data) {
opj_aligned_free(l_tilec->data);
l_tilec->data = NULL;
/* We don't need to keep old data */
opj_aligned_free(l_tilec->data);
l_tilec->data = (OPJ_INT32 *) opj_aligned_malloc(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;
}
l_tilec->data = new_data;
/*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;
@ -1521,7 +1518,7 @@ static void opj_tcd_free_tile(opj_tcd_t *p_tcd)
}
if (l_tile_comp->ownsData && l_tile_comp->data) {
opj_free(l_tile_comp->data);
opj_aligned_free(l_tile_comp->data);
l_tile_comp->data = 00;
l_tile_comp->ownsData = 0;
l_tile_comp->data_size = 0;