diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/openjp2/jp2.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/lib/openjp2/jp2.c b/src/lib/openjp2/jp2.c index 9fd78592..5f2390f3 100644 --- a/src/lib/openjp2/jp2.c +++ b/src/lib/openjp2/jp2.c @@ -428,12 +428,10 @@ static void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2); static void opj_jp2_setup_header_reading (opj_jp2_t *jp2); /* ----------------------------------------------------------------------- */ - OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box, - OPJ_UINT32 * p_number_bytes_read, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager - ) + OPJ_UINT32 * p_number_bytes_read, + opj_stream_private_t *cio, + opj_event_mgr_t * p_manager ) { /* read header from file */ OPJ_BYTE l_data_header [8]; @@ -452,6 +450,12 @@ static void opj_jp2_setup_header_reading (opj_jp2_t *jp2); /* process read data */ opj_read_bytes(l_data_header,&(box->length), 4); opj_read_bytes(l_data_header+4,&(box->type), 4); + + if(box->length == 0)/* last box */ + { + box->length = opj_stream_get_number_byte_left(cio); + return OPJ_TRUE; + } /* do we have a "special very large box ?" */ /* read then the XLBox */ @@ -467,14 +471,15 @@ static void opj_jp2_setup_header_reading (opj_jp2_t *jp2); return OPJ_FALSE; } + *p_number_bytes_read = 16; opj_read_bytes(l_data_header,&l_xl_part_size, 4); if (l_xl_part_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n"); return OPJ_FALSE; } - opj_read_bytes(l_data_header,&(box->length), 4); + opj_read_bytes(l_data_header+4,&(box->length), 4); } - return OPJ_TRUE; + return OPJ_TRUE; } #if 0 |