[1.5] Apply private patch from Alex Macfarlane Smith

This gets rids of a lot memory leaks when used on device with low memory
This commit is contained in:
Mathieu Malaterre
2012-05-29 14:52:45 +00:00
parent 835bf5357f
commit 6c5a066b20
4 changed files with 110 additions and 22 deletions

View File

@@ -558,7 +558,17 @@ static void j2k_read_siz(opj_j2k_t *j2k) {
#endif /* USE_JPWL */
cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
if (cp->tcps == NULL)
{
opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
return;
}
cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
if (cp->tileno == NULL)
{
opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
return;
}
cp->tileno_size = 0;
#ifdef USE_JPWL
@@ -1737,6 +1747,14 @@ void j2k_destroy_decompress(opj_j2k_t *j2k) {
opj_free(j2k->tile_len);
}
if(j2k->tile_data != NULL) {
if(j2k->cp != NULL) {
for (i = 0; i < j2k->cp->tileno_size; i++) {
int tileno = j2k->cp->tileno[i];
opj_free(j2k->tile_data[tileno]);
j2k->tile_data[tileno] = NULL;
}
}
opj_free(j2k->tile_data);
}
if(j2k->default_tcp != NULL) {
@@ -1877,7 +1895,10 @@ opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *c
(*e->handler)(j2k);
}
if (j2k->state & J2K_STATE_ERR)
{
opj_image_destroy(image);
return NULL;
}
if (j2k->state == J2K_STATE_MT) {
break;