opj_event_mgr_t * p_manager );
/**
- * Reads a PPT marker (Packed packet headers, tile-part header)
+ * Reads values from a SOT marker (Start of tile-part)
*
- * @param p_header_data the data contained in the PPT box.
- * @param p_j2k the jpeg2000 codec.
+ * the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
+ *
+ * @param p_header_data the data contained in the SOT marker.
+ * @param p_header_size the size of the data contained in the SOT marker.
+ * @param p_tile_no Isot.
+ * @param p_tot_len Psot.
+ * @param p_current_part TPsot.
+ * @param p_num_parts TNsot.
+ * @param p_manager the user event manager.
+ */
+static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ OPJ_UINT32* p_tile_no,
+ OPJ_UINT32* p_tot_len,
+ OPJ_UINT32* p_current_part,
+ OPJ_UINT32* p_num_parts,
+ opj_event_mgr_t * p_manager );
+/**
+ * Reads a SOT marker (Start of tile-part)
+ *
+ * @param p_header_data the data contained in the SOT marker.
+ * @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the PPT marker.
- * @param p_manager the user event manager.
+ * @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_sot ( opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz, opj_event_mgr_t *p_manager);
+/**
+ * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
+ *
+ * @param p_stream the stream to read data from.
+ * @param tile_no tile number we're looking for.
+ * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the function was successful, false else.
+ */
+static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed, opj_event_mgr_t * p_manager );
+
/*@}*/
/*@}*/
}
/* testcase issue427-illegal-tile-offset.jp2 */
- l_tx1 = l_cp->tx0 + l_cp->tdx;
- if (l_tx1 < l_cp->tx0) { /* manage overflow */
- l_tx1 = 0xFFFFFFFFU;
- }
- l_ty1 = l_cp->ty0 + l_cp->tdy;
- if (l_ty1 < l_cp->ty0) { /* manage overflow */
- l_ty1 = 0xFFFFFFFFU;
- }
+ l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
+ l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) || (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0) ) {
opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: illegal tile offset\n");
return OPJ_FALSE;
return OPJ_TRUE;
}
+static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ OPJ_UINT32* p_tile_no,
+ OPJ_UINT32* p_tot_len,
+ OPJ_UINT32* p_current_part,
+ OPJ_UINT32* p_num_parts,
+ opj_event_mgr_t * p_manager )
+{
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_manager != 00);
+
+ /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
+ if (p_header_size != 8) {
+ opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,p_tile_no,2); /* Isot */
+ p_header_data+=2;
+ opj_read_bytes(p_header_data,p_tot_len,4); /* Psot */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data,p_current_part,1); /* TPsot */
+ ++p_header_data;
+ opj_read_bytes(p_header_data,p_num_parts ,1); /* TNsot */
+ ++p_header_data;
+ return OPJ_TRUE;
+}
+
OPJ_BOOL opj_j2k_read_sot ( opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
OPJ_UINT32 l_tile_x,l_tile_y;
/* preconditions */
- assert(p_header_data != 00);
+
assert(p_j2k != 00);
assert(p_manager != 00);
-
- /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
- if (p_header_size != 8) {
+
+ if (! opj_j2k_get_sot_values(p_header_data, p_header_size, &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
return OPJ_FALSE;
}
l_cp = &(p_j2k->m_cp);
- opj_read_bytes(p_header_data,&(p_j2k->m_current_tile_number),2); /* Isot */
- p_header_data+=2;
/* testcase 2.pdf.SIGFPE.706.1112 */
if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
/* Optimization possible here with a more complex data structure and with the removing of tiles */
/* since the time taken by this function can only grow at the time */
- opj_read_bytes(p_header_data,&l_tot_len,4); /* Psot */
- p_header_data+=4;
-
/* PSot should be equal to zero or >=14 or <= 2^32-1 */
if ((l_tot_len !=0 ) && (l_tot_len < 14) )
{
p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
}
- opj_read_bytes(p_header_data,&l_current_part ,1); /* TPsot */
- ++p_header_data;
-
- opj_read_bytes(p_header_data,&l_num_parts ,1); /* TNsot */
- ++p_header_data;
-
if (l_num_parts != 0) { /* Number of tile-part header is provided by this tile-part header */
+ l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
/* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
* tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
if (l_tcp->m_nb_tile_parts) {
l_tcp->cod = 0;
l_tcp->ppt = 0;
l_tcp->ppt_data = 00;
+ /* Remove memory not owned by this tile in case of early error return. */
+ l_tcp->m_mct_decoding_matrix = 00;
+ l_tcp->m_nb_max_mct_records = 0;
+ l_tcp->m_mct_records = 00;
+ l_tcp->m_nb_max_mcc_records = 0;
+ l_tcp->m_mcc_records = 00;
/* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
l_tcp->tccps = l_current_tccp;
++l_src_mct_rec;
++l_dest_mct_rec;
+ /* Update with each pass to free exactly what has been allocated on early return. */
+ l_tcp->m_nb_max_mct_records += 1;
}
/* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
return OPJ_FALSE;
}
memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size);
+ l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
/* Copy the mcc record data from dflt_tile_cp to the current tile*/
l_src_mcc_rec = l_default_tcp->m_mcc_records;
}
}
+static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed, opj_event_mgr_t * p_manager )
+{
+ OPJ_BYTE l_header_data[10];
+ OPJ_OFF_T l_stream_pos_backup;
+ OPJ_UINT32 l_current_marker;
+ OPJ_UINT32 l_marker_size;
+ OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
+
+ /* initialize to no correction needed */
+ *p_correction_needed = OPJ_FALSE;
+
+ l_stream_pos_backup = opj_stream_tell(p_stream);
+ if (l_stream_pos_backup == -1) {
+ /* let's do nothing */
+ return OPJ_TRUE;
+ }
+
+ for (;;) {
+ /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,l_header_data, 2, p_manager) != 2) {
+ /* assume all is OK */
+ if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
+ return OPJ_FALSE;
+ }
+ return OPJ_TRUE;
+ }
+
+ /* Read 2 bytes from buffer as the new marker ID */
+ opj_read_bytes(l_header_data, &l_current_marker, 2);
+
+ if (l_current_marker != J2K_MS_SOT) {
+ /* assume all is OK */
+ if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
+ return OPJ_FALSE;
+ }
+ return OPJ_TRUE;
+ }
+
+ /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
+ opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes from the buffer as the marker size */
+ opj_read_bytes(l_header_data, &l_marker_size, 2);
+
+ /* Check marker size for SOT Marker */
+ if (l_marker_size != 10) {
+ opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
+ return OPJ_FALSE;
+ }
+ l_marker_size -= 2;
+
+ if (opj_stream_read_data(p_stream, l_header_data, l_marker_size, p_manager) != l_marker_size) {
+ opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no, &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ if (l_tile_no == tile_no) {
+ /* we found what we were looking for */
+ break;
+ }
+
+ if ((l_tot_len == 0U) || (l_tot_len < 14U)) {
+ /* last SOT until EOC or invalid Psot value */
+ /* assume all is OK */
+ if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
+ return OPJ_FALSE;
+ }
+ return OPJ_TRUE;
+ }
+ l_tot_len -= 12U;
+ /* look for next SOT marker */
+ if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len), p_manager) != (OPJ_OFF_T)(l_tot_len)) {
+ /* assume all is OK */
+ if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
+ return OPJ_FALSE;
+ }
+ return OPJ_TRUE;
+ }
+ }
+
+ /* check for correction */
+ if (l_current_part == l_num_parts) {
+ *p_correction_needed = OPJ_TRUE;
+ }
+
+ if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
+ return OPJ_FALSE;
+ }
+ return OPJ_TRUE;
+}
+
OPJ_BOOL opj_j2k_read_tile_header( opj_j2k_t * p_j2k,
OPJ_UINT32 * p_tile_index,
OPJ_UINT32 * p_data_size,
if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
return OPJ_FALSE;
}
-
+ if (p_j2k->m_specific_param.m_decoder.m_can_decode && !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
+ /* Issue 254 */
+ OPJ_BOOL l_correction_needed;
+
+ p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
+ if(!opj_j2k_need_nb_tile_parts_correction(p_stream, p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
+ opj_event_msg(p_manager, EVT_ERROR, "opj_j2k_apply_nb_tile_parts_correction error\n");
+ return OPJ_FALSE;
+ }
+ if (l_correction_needed) {
+ OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
+ OPJ_UINT32 l_tile_no;
+
+ p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
+ p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
+ /* correct tiles */
+ for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
+ if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
+ p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts+=1;
+ }
+ }
+ opj_event_msg(p_manager, EVT_WARNING, "Non conformant codestream TPsot==TNsot.\n");
+ }
+ }
if (! p_j2k->m_specific_param.m_decoder.m_can_decode){
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
OPJ_UINT32 l_width_src,l_height_src;
OPJ_UINT32 l_width_dest,l_height_dest;
OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
- OPJ_INT32 l_start_offset_src, l_line_offset_src, l_end_offset_src ;
+ OPJ_SIZE_T l_start_offset_src, l_line_offset_src, l_end_offset_src ;
OPJ_UINT32 l_start_x_dest , l_start_y_dest;
OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
- OPJ_INT32 l_start_offset_dest, l_line_offset_dest;
+ OPJ_SIZE_T l_start_offset_dest, l_line_offset_dest;
opj_image_comp_t * l_img_comp_src = 00;
opj_image_comp_t * l_img_comp_dest = 00;
/* Allocate output component buffer if necessary */
if (!l_img_comp_dest->data) {
- l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(l_img_comp_dest->w * l_img_comp_dest->h, sizeof(OPJ_INT32));
+ l_img_comp_dest->data = (OPJ_INT32*) opj_calloc((OPJ_SIZE_T)l_img_comp_dest->w * (OPJ_SIZE_T)l_img_comp_dest->h, sizeof(OPJ_INT32));
if (! l_img_comp_dest->data) {
return OPJ_FALSE;
}
l_height_src = (OPJ_UINT32)(l_res->y1 - l_res->y0);
/* Border of the current output component*/
- l_x0_dest = (OPJ_UINT32)opj_int_ceildivpow2((OPJ_INT32)l_img_comp_dest->x0, (OPJ_INT32)l_img_comp_dest->factor);
- l_y0_dest = (OPJ_UINT32)opj_int_ceildivpow2((OPJ_INT32)l_img_comp_dest->y0, (OPJ_INT32)l_img_comp_dest->factor);
- l_x1_dest = l_x0_dest + l_img_comp_dest->w;
+ l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
+ l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
+ l_x1_dest = l_x0_dest + l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
l_y1_dest = l_y0_dest + l_img_comp_dest->h;
/*if (i == 0) {
}
}
else {
- l_start_x_dest = 0 ;
+ l_start_x_dest = 0U;
l_offset_x0_src = (OPJ_INT32)l_x0_dest - l_res->x0;
if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) {
}
}
else {
- l_start_y_dest = 0 ;
+ l_start_y_dest = 0U;
l_offset_y0_src = (OPJ_INT32)l_y0_dest - l_res->y0;
if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) {
/*-----*/
/* Compute the input buffer offset */
- l_start_offset_src = l_offset_x0_src + l_offset_y0_src * (OPJ_INT32)l_width_src;
- l_line_offset_src = l_offset_x1_src + l_offset_x0_src;
- l_end_offset_src = l_offset_y1_src * (OPJ_INT32)l_width_src - l_offset_x0_src;
+ l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src * (OPJ_SIZE_T)l_width_src;
+ l_line_offset_src = (OPJ_SIZE_T)l_offset_x1_src + (OPJ_SIZE_T)l_offset_x0_src;
+ l_end_offset_src = (OPJ_SIZE_T)l_offset_y1_src * (OPJ_SIZE_T)l_width_src - (OPJ_SIZE_T)l_offset_x0_src;
/* Compute the output buffer offset */
- l_start_offset_dest = (OPJ_INT32)(l_start_x_dest + l_start_y_dest * l_img_comp_dest->w);
- l_line_offset_dest = (OPJ_INT32)(l_img_comp_dest->w - l_width_dest);
+ l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest * (OPJ_SIZE_T)l_img_comp_dest->w;
+ l_line_offset_dest = (OPJ_SIZE_T)l_img_comp_dest->w - (OPJ_SIZE_T)l_width_dest;
/* Move the output buffer to the first place where we will write*/
l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
l_j2k->m_is_decoder = 1;
l_j2k->m_cp.m_is_decoder = 1;
+#ifdef OPJ_DISABLE_TPSOT_FIX
+ l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
+#endif
+
l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,sizeof(opj_tcp_t));
if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
opj_j2k_destroy(l_j2k);
if (!p_image)
return OPJ_FALSE;
-
+
p_j2k->m_output_image = opj_image_create0();
if (! (p_j2k->m_output_image)) {
return OPJ_FALSE;
}
return OPJ_FALSE;
}
- opj_alloc_tile_component_data(l_tilec);
}
}
l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
projects / openjpeg.git / blobdiff