+ {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot_v2},
+ {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod_v2},
+ {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc_v2},
+ {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn_v2},
+ {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd_v2},
+ {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc_v2},
+ {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc_v2},
+ {J2K_MS_SIZ, J2K_STATE_MHSIZ , j2k_read_siz_v2},
+ {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm_v2},
+ {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm_v2},
+ {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt_v2},
+ {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm_v3},
+ {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt_v2},
+ {J2K_MS_SOP, 0, 0},
+ {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg_v2},
+ {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com_v2},
+ {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_mct},
+ {J2K_MS_CBD, J2K_STATE_MH , j2k_read_cbd},
+ {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_mcc},
+ {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_mco},
+#ifdef USE_JPWL
+#ifdef TODO_MS /* FIXME */
+ {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
+ {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
+ {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
+ {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
+#endif
+#endif /* USE_JPWL */
+#ifdef USE_JPSEC
+ {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
+ {J2K_MS_INSEC, 0, j2k_read_insec}
+#endif /* USE_JPSEC */
+ {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}//j2k_read_unk_v2}
+};
+
+
+
+void j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_bytes(l_src_data,&l_temp,2);
+
+ l_src_data+=sizeof(OPJ_INT16);
+
+ *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
+ }
+}
+
+void j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_bytes(l_src_data,&l_temp,4);
+
+ l_src_data+=sizeof(OPJ_INT32);
+
+ *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
+ }
+}
+
+void j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_FLOAT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_float(l_src_data,&l_temp);
+
+ l_src_data+=sizeof(OPJ_FLOAT32);
+
+ *(l_dest_data++) = l_temp;
+ }
+}
+
+void j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_FLOAT64 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_double(l_src_data,&l_temp);
+
+ l_src_data+=sizeof(OPJ_FLOAT64);
+
+ *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
+ }
+}
+
+void j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_bytes(l_src_data,&l_temp,2);
+
+ l_src_data+=sizeof(OPJ_INT16);
+
+ *(l_dest_data++) = (OPJ_INT32) l_temp;
+ }
+}
+
+void j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_bytes(l_src_data,&l_temp,4);
+
+ l_src_data+=sizeof(OPJ_INT32);
+
+ *(l_dest_data++) = (OPJ_INT32) l_temp;
+ }
+}
+
+void j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_FLOAT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_float(l_src_data,&l_temp);
+
+ l_src_data+=sizeof(OPJ_FLOAT32);
+
+ *(l_dest_data++) = (OPJ_INT32) l_temp;
+ }
+}
+
+void j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
+ OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
+ OPJ_UINT32 i;
+ OPJ_FLOAT64 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ opj_read_double(l_src_data,&l_temp);
+
+ l_src_data+=sizeof(OPJ_FLOAT64);
+
+ *(l_dest_data++) = (OPJ_INT32) l_temp;
+ }
+}
+
+void j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
+ OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ l_temp = (OPJ_UINT32) *(l_src_data++);
+
+ opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT16));
+
+ l_dest_data+=sizeof(OPJ_INT16);
+ }
+}
+
+void j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
+ OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ l_temp = (OPJ_UINT32) *(l_src_data++);
+
+ opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT32));
+
+ l_dest_data+=sizeof(OPJ_INT32);
+ }
+}
+
+void j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
+ OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
+ OPJ_UINT32 i;
+ OPJ_FLOAT32 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ l_temp = (OPJ_FLOAT32) *(l_src_data++);
+
+ opj_write_float(l_dest_data,l_temp);
+
+ l_dest_data+=sizeof(OPJ_FLOAT32);
+ }
+}
+
+void j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
+{
+ OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
+ OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
+ OPJ_UINT32 i;
+ OPJ_FLOAT64 l_temp;
+
+ for (i=0;i<p_nb_elem;++i) {
+ l_temp = (OPJ_FLOAT64) *(l_src_data++);
+
+ opj_write_double(l_dest_data,l_temp);
+
+ l_dest_data+=sizeof(OPJ_FLOAT64);
+ }
+}
+
+
+/**
+ * Converts an enum type progression order to string type.
+ *
+ * @param prg_order the progression order to get.
+ *
+ * @return the string representation of the given progression order.
+ */
+char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
+ j2k_prog_order_t *po;
+ for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
+ if(po->enum_prog == prg_order){
+ return po->str_prog;
+ }
+ }
+ return po->str_prog;
+}
+
+/* ----------------------------------------------------------------------- */
+static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
+ char *prog;
+ int i;
+ int tpnum=1,tpend=0;
+ opj_tcp_t *tcp = &cp->tcps[tileno];
+ prog = j2k_convert_progression_order(tcp->prg);
+
+ if(cp->tp_on == 1){
+ for(i=0;i<4;i++){
+ if(tpend!=1){
+ if( cp->tp_flag == prog[i] ){
+ tpend=1;cp->tp_pos=i;
+ }
+ switch(prog[i]){
+ case 'C':
+ tpnum= tpnum * tcp->pocs[pino].compE;
+ break;
+ case 'R':
+ tpnum= tpnum * tcp->pocs[pino].resE;
+ break;
+ case 'P':
+ tpnum= tpnum * tcp->pocs[pino].prcE;
+ break;
+ case 'L':
+ tpnum= tpnum * tcp->pocs[pino].layE;
+ break;
+ }
+ }
+ }
+ }else{
+ tpnum=1;
+ }
+ return tpnum;
+}
+
+/** mem allocation for TLM marker*/
+int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
+ int pino,tileno,totnum_tp=0;
+
+ OPJ_ARG_NOT_USED(img_numcomp);
+
+ j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ int cur_totnum_tp = 0;
+ opj_tcp_t *tcp = &cp->tcps[tileno];
+ for(pino = 0; pino <= tcp->numpocs; pino++) {
+ int tp_num=0;
+ opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
+ if(!pi) { return -1;}
+ tp_num = j2k_get_num_tp(cp,pino,tileno);
+ totnum_tp = totnum_tp + tp_num;
+ cur_totnum_tp = cur_totnum_tp + tp_num;
+ pi_destroy(pi, cp, tileno);
+ }
+ j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
+ /* INDEX >> */
+ if (j2k->cstr_info) {
+ j2k->cstr_info->tile[tileno].num_tps = cur_totnum_tp;
+ j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
+ }
+ /* << INDEX */
+ }
+ return totnum_tp;
+}
+
+static void j2k_write_soc(opj_j2k_t *j2k) {
+ opj_cio_t *cio = j2k->cio;
+ cio_write(cio, J2K_MS_SOC, 2);
+
+ if(j2k->cstr_info)
+ j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio), 0);
+
+/* UniPG>> */
+#ifdef USE_JPWL
+
+ /* update markers struct */
+ j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
+#endif /* USE_JPWL */
+/* <<UniPG */
+}
+
+static void j2k_read_soc(opj_j2k_t *j2k) {
+ j2k->state = J2K_STATE_MHSIZ;
+ /* Index */
+ if (j2k->cstr_info) {
+ j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2;
+ j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start;
+ }
+}
+
+/**
+ * Reads a SOC marker (Start of Codestream)
+ * @param p_header_data the data contained in the SOC box.
+ * @param jp2 the jpeg2000 file codec.
+ * @param p_header_size the size of the data contained in the SOC marker.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_read_soc_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_BYTE l_data [2];
+ OPJ_UINT32 l_marker;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) {
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(l_data,&l_marker,2);
+ if (l_marker != J2K_MS_SOC) {
+ return OPJ_FALSE;
+ }
+
+ /* Next marker should be a SIZ marker in the main header */
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
+
+ /* FIXME move it in a index structure included in p_j2k*/
+ p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
+
+ opj_event_msg_v2(p_manager, EVT_INFO, "Start to read j2k main header (%d).\n", p_j2k->cstr_index->main_head_start);
+
+ /* Add the marker to the codestream index*/
+ j2k_add_mhmarker_v2(p_j2k->cstr_index, J2K_MS_SOC, p_j2k->cstr_index->main_head_start, 2);
+
+ return OPJ_TRUE;
+}
+
+static void j2k_write_siz(opj_j2k_t *j2k) {
+ int i;
+ int lenp, len;
+
+ opj_cio_t *cio = j2k->cio;
+ opj_image_t *image = j2k->image;
+ opj_cp_t *cp = j2k->cp;
+
+ cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
+ lenp = cio_tell(cio);
+ cio_skip(cio, 2);
+ cio_write(cio, cp->rsiz, 2); /* Rsiz (capabilities) */
+ cio_write(cio, image->x1, 4); /* Xsiz */
+ cio_write(cio, image->y1, 4); /* Ysiz */
+ cio_write(cio, image->x0, 4); /* X0siz */
+ cio_write(cio, image->y0, 4); /* Y0siz */
+ cio_write(cio, cp->tdx, 4); /* XTsiz */
+ cio_write(cio, cp->tdy, 4); /* YTsiz */
+ cio_write(cio, cp->tx0, 4); /* XT0siz */
+ cio_write(cio, cp->ty0, 4); /* YT0siz */
+ cio_write(cio, image->numcomps, 2); /* Csiz */
+ for (i = 0; i < image->numcomps; i++) {
+ cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1); /* Ssiz_i */
+ cio_write(cio, image->comps[i].dx, 1); /* XRsiz_i */
+ cio_write(cio, image->comps[i].dy, 1); /* YRsiz_i */
+ }
+ len = cio_tell(cio) - lenp;
+ cio_seek(cio, lenp);
+ cio_write(cio, len, 2); /* Lsiz */
+ cio_seek(cio, lenp + len);
+
+ if(j2k->cstr_info)
+ j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, lenp, len);
+}
+
+static void j2k_read_siz(opj_j2k_t *j2k) {
+ int len, i;
+
+ opj_cio_t *cio = j2k->cio;
+ opj_image_t *image = j2k->image;
+ opj_cp_t *cp = j2k->cp;
+
+ len = cio_read(cio, 2); /* Lsiz */
+ cio_read(cio, 2); /* Rsiz (capabilities) */
+ image->x1 = cio_read(cio, 4); /* Xsiz */
+ image->y1 = cio_read(cio, 4); /* Ysiz */
+ image->x0 = cio_read(cio, 4); /* X0siz */
+ image->y0 = cio_read(cio, 4); /* Y0siz */
+ cp->tdx = cio_read(cio, 4); /* XTsiz */
+ cp->tdy = cio_read(cio, 4); /* YTsiz */
+ cp->tx0 = cio_read(cio, 4); /* XT0siz */
+ cp->ty0 = cio_read(cio, 4); /* YT0siz */
+
+ if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
+ image->x0,image->x1,image->y0,image->y1);
+ return;
+ }
+
+ image->numcomps = cio_read(cio, 2); /* Csiz */
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+ /* if JPWL is on, we check whether TX errors have damaged
+ too much the SIZ parameters */
+ if (!(image->x1 * image->y1)) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: bad image size (%d x %d)\n",
+ image->x1, image->y1);
+ if (!JPWL_ASSUME || JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ }
+ if (image->numcomps != ((len - 38) / 3)) {
+ opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
+ image->numcomps, ((len - 38) / 3));
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ /* we try to correct */
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
+ if (image->numcomps < ((len - 38) / 3)) {
+ len = 38 + 3 * image->numcomps;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
+ len);
+ } else {
+ image->numcomps = ((len - 38) / 3);
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
+ image->numcomps);
+ }
+ }
+
+ /* update components number in the jpwl_exp_comps filed */
+ cp->exp_comps = image->numcomps;
+ }
+#endif /* USE_JPWL */
+
+ image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
+ for (i = 0; i < image->numcomps; i++) {
+ int tmp, w, h;
+ tmp = cio_read(cio, 1); /* Ssiz_i */
+ image->comps[i].prec = (tmp & 0x7f) + 1;
+ image->comps[i].sgnd = tmp >> 7;
+ image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
+ image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+ /* if JPWL is on, we check whether TX errors have damaged
+ too much the SIZ parameters, again */
+ if (!(image->comps[i].dx * image->comps[i].dy)) {
+ opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
+ i, i, image->comps[i].dx, image->comps[i].dy);
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ /* we try to correct */
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
+ if (!image->comps[i].dx) {
+ image->comps[i].dx = 1;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
+ i, image->comps[i].dx);
+ }
+ if (!image->comps[i].dy) {
+ image->comps[i].dy = 1;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
+ i, image->comps[i].dy);
+ }
+ }
+
+ }
+#endif /* USE_JPWL */
+
+ /* TODO: unused ? */
+ w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
+ h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
+
+ image->comps[i].resno_decoded = 0; /* number of resolution decoded */
+ image->comps[i].factor = cp->reduce; /* reducing factor per component */
+ }
+
+ cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
+ cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+ /* if JPWL is on, we check whether TX errors have damaged
+ too much the SIZ parameters */
+ if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
+ opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: bad number of tiles (%d x %d)\n",
+ cp->tw, cp->th);
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ /* we try to correct */
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
+ if (cp->tw < 1) {
+ cp->tw= 1;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
+ cp->tw);
+ }
+ if (cp->tw > cp->max_tiles) {
+ cp->tw= 1;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
+ "- setting %d tiles in x => HYPOTHESIS!!!\n",
+ cp->max_tiles, cp->tw);
+ }
+ if (cp->th < 1) {
+ cp->th= 1;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
+ cp->th);
+ }
+ if (cp->th > cp->max_tiles) {
+ cp->th= 1;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
+ "- setting %d tiles in y => HYPOTHESIS!!!\n",
+ cp->max_tiles, cp->th);
+ }
+ }
+ }
+#endif /* USE_JPWL */
+
+ cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
+ cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
+ cp->tileno_size = 0;
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+ if (!cp->tcps) {
+ opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: could not alloc tcps field of cp\n");
+ if (!JPWL_ASSUME || JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ }
+ }
+#endif /* USE_JPWL */
+
+ for (i = 0; i < cp->tw * cp->th; i++) {
+ cp->tcps[i].POC = 0;
+ cp->tcps[i].numpocs = 0;
+ cp->tcps[i].first = 1;
+ }
+
+ /* Initialization for PPM marker */
+ cp->ppm = 0;
+ cp->ppm_data = NULL;
+ cp->ppm_data_first = NULL;
+ cp->ppm_previous = 0;
+ cp->ppm_store = 0;
+
+ j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
+ for (i = 0; i < cp->tw * cp->th; i++) {
+ cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
+ }
+ j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
+ j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
+ j2k->state = J2K_STATE_MH;
+
+ /* Index */
+ if (j2k->cstr_info) {
+ opj_codestream_info_t *cstr_info = j2k->cstr_info;
+ cstr_info->image_w = image->x1 - image->x0;
+ cstr_info->image_h = image->y1 - image->y0;
+ cstr_info->numcomps = image->numcomps;
+ cstr_info->tw = cp->tw;
+ cstr_info->th = cp->th;
+ cstr_info->tile_x = cp->tdx;
+ cstr_info->tile_y = cp->tdy;
+ cstr_info->tile_Ox = cp->tx0;
+ cstr_info->tile_Oy = cp->ty0;
+ cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
+ }
+}
+
+
+/**
+ * Reads a SIZ marker (image and tile size)
+ * @param p_header_data the data contained in the SIZ box.
+ * @param jp2 the jpeg2000 file codec.
+ * @param p_header_size the size of the data contained in the SIZ marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_siz_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ OPJ_UINT32 l_size, i;
+ OPJ_UINT32 l_nb_comp;
+ OPJ_UINT32 l_nb_comp_remain;
+ OPJ_UINT32 l_remaining_size;
+ OPJ_UINT32 l_nb_tiles;
+ OPJ_UINT32 l_tmp;
+ opj_image_t *l_image = 00;
+ opj_cp_v2_t *l_cp = 00;
+ opj_image_comp_t * l_img_comp = 00;
+ opj_tcp_v2_t * l_current_tile_param = 00;
+
+ // preconditions
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_header_data != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_cp = &(p_j2k->m_cp);
+
+ // minimum size == 39 - 3 (= minimum component parameter)
+ if (p_header_size < 36) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
+ return OPJ_FALSE;
+ }
+
+ l_remaining_size = p_header_size - 36;
+ l_nb_comp = l_remaining_size / 3;
+ l_nb_comp_remain = l_remaining_size % 3;
+ if (l_nb_comp_remain != 0){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
+ return OPJ_FALSE;
+ }
+
+ l_size = p_header_size + 2; /* Lsiz */
+
+ opj_read_bytes(p_header_data,&l_tmp ,2); /* Rsiz (capabilities) */
+ p_header_data+=2;
+ l_cp->rsiz = (OPJ_RSIZ_CAPABILITIES) l_tmp;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx, 4); /* XTsiz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy, 4); /* YTsiz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0, 4); /* XT0siz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0, 4); /* YT0siz */
+ p_header_data+=4;
+ opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp, 2); /* Csiz */
+ p_header_data+=2;
+ if (l_tmp < 16385)
+ l_image->numcomps = (OPJ_UINT16) l_tmp;
+ else {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
+ return OPJ_FALSE;
+ }
+
+ if (l_image->numcomps != l_nb_comp) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n", l_image->numcomps, l_nb_comp);
+ return OPJ_FALSE;
+ }
+
+#ifdef USE_JPWL
+ if (l_cp->correct) {
+ /* if JPWL is on, we check whether TX errors have damaged
+ too much the SIZ parameters */
+ if (!(l_image->x1 * l_image->y1)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "JPWL: bad image size (%d x %d)\n",
+ l_image->x1, l_image->y1);
+ if (!JPWL_ASSUME || JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ }
+
+ /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
+ if (l_image->numcomps != ((len - 38) / 3)) {
+ opj_event_msg_v2(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
+ l_image->numcomps, ((len - 38) / 3));
+ if (!JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ */ /* we try to correct */
+ /* opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust this\n");
+ if (l_image->numcomps < ((len - 38) / 3)) {
+ len = 38 + 3 * l_image->numcomps;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
+ len);
+ } else {
+ l_image->numcomps = ((len - 38) / 3);
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
+ l_image->numcomps);
+ }
+ }
+ */
+
+ /* update components number in the jpwl_exp_comps filed */
+ l_cp->exp_comps = l_image->numcomps;
+ }
+#endif /* USE_JPWL */
+
+ // Allocate the resulting image components
+ l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps, sizeof(opj_image_comp_t));
+ if (l_image->comps == 00){
+ l_image->numcomps = 0;
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
+ return OPJ_FALSE;
+ }
+
+ memset(l_image->comps,0,l_image->numcomps * sizeof(opj_image_comp_t));
+ l_img_comp = l_image->comps;
+
+ // Read the component information
+ for (i = 0; i < l_image->numcomps; ++i){
+ OPJ_UINT32 tmp;
+ opj_read_bytes(p_header_data,&tmp,1); /* Ssiz_i */
+ ++p_header_data;
+ l_img_comp->prec = (tmp & 0x7f) + 1;
+ l_img_comp->sgnd = tmp >> 7;
+ opj_read_bytes(p_header_data,&tmp,1); /* XRsiz_i */
+ ++p_header_data;
+ l_img_comp->dx = (OPJ_INT32)tmp; // should be between 1 and 255
+ opj_read_bytes(p_header_data,&tmp,1); /* YRsiz_i */
+ ++p_header_data;
+ l_img_comp->dy = (OPJ_INT32)tmp; // should be between 1 and 255
+
+#ifdef USE_JPWL
+ if (l_cp->correct) {
+ /* if JPWL is on, we check whether TX errors have damaged
+ too much the SIZ parameters, again */
+ if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
+ opj_event_msg_v2(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
+ i, i, l_image->comps[i].dx, l_image->comps[i].dy);
+ if (!JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ /* we try to correct */
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust them\n");
+ if (!l_image->comps[i].dx) {
+ l_image->comps[i].dx = 1;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
+ i, l_image->comps[i].dx);
+ }
+ if (!l_image->comps[i].dy) {
+ l_image->comps[i].dy = 1;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
+ i, l_image->comps[i].dy);
+ }
+ }
+ }
+#endif /* USE_JPWL */
+ l_img_comp->resno_decoded = 0; /* number of resolution decoded */
+ l_img_comp->factor = l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
+ ++l_img_comp;
+ }
+
+ // Compute the number of tiles
+ l_cp->tw = int_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
+ l_cp->th = int_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
+ l_nb_tiles = l_cp->tw * l_cp->th;
+
+ // Define the tiles which will be decoded
+ if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = int_ceildiv((p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0), l_cp->tdx);
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0), l_cp->tdy);
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
+ }
+
+#ifdef USE_JPWL
+ if (l_cp->correct) {
+ /* if JPWL is on, we check whether TX errors have damaged
+ too much the SIZ parameters */
+ if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) || (l_cp->th > l_cp->max_tiles)) {
+ opj_event_msg_v2(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: bad number of tiles (%d x %d)\n",
+ l_cp->tw, l_cp->th);
+ if (!JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ /* we try to correct */
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust them\n");
+ if (l_cp->tw < 1) {
+ l_cp->tw= 1;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
+ l_cp->tw);
+ }
+ if (l_cp->tw > l_cp->max_tiles) {
+ l_cp->tw= 1;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- too large x, increase expectance of %d\n"
+ "- setting %d tiles in x => HYPOTHESIS!!!\n",
+ l_cp->max_tiles, l_cp->tw);
+ }
+ if (l_cp->th < 1) {
+ l_cp->th= 1;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
+ l_cp->th);
+ }
+ if (l_cp->th > l_cp->max_tiles) {
+ l_cp->th= 1;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
+ "- setting %d tiles in y => HYPOTHESIS!!!\n",
+ l_cp->max_tiles, l_cp->th);
+ }
+ }
+ }
+#endif /* USE_JPWL */
+
+ /* memory allocations */
+ l_cp->tcps = (opj_tcp_v2_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_v2_t));
+ if (l_cp->tcps == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
+ return OPJ_FALSE;
+ }
+ memset(l_cp->tcps,0,l_nb_tiles*sizeof(opj_tcp_t));
+
+#ifdef USE_JPWL
+ if (l_cp->correct) {
+ if (!l_cp->tcps) {
+ opj_event_msg_v2(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: could not alloc tcps field of cp\n");
+ if (!JPWL_ASSUME || JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ }
+ }
+#endif /* USE_JPWL */
+
+ p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
+ (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
+ if(p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
+ return OPJ_FALSE;
+ }
+ memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps ,0,l_image->numcomps*sizeof(opj_tccp_t));
+
+ p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
+ (opj_mct_data_t*)opj_malloc(J2K_MCT_DEFAULT_NB_RECORDS * sizeof(opj_mct_data_t));
+
+ if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
+ return OPJ_FALSE;
+ }
+ memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records,0,J2K_MCT_DEFAULT_NB_RECORDS * sizeof(opj_mct_data_t));
+ p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records = J2K_MCT_DEFAULT_NB_RECORDS;
+
+ p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
+ (opj_simple_mcc_decorrelation_data_t*)
+ opj_malloc(J2K_MCC_DEFAULT_NB_RECORDS * sizeof(opj_simple_mcc_decorrelation_data_t));
+
+ if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
+ return OPJ_FALSE;
+ }
+ memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records,0,J2K_MCC_DEFAULT_NB_RECORDS * sizeof(opj_simple_mcc_decorrelation_data_t));
+ p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records = J2K_MCC_DEFAULT_NB_RECORDS;
+
+ /* set up default dc level shift */
+ for (i=0;i<l_image->numcomps;++i) {
+ if (! l_image->comps[i].sgnd) {
+ p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1 << (l_image->comps[i].prec - 1);
+ }
+ }
+
+ l_current_tile_param = l_cp->tcps;
+ for (i = 0; i < l_nb_tiles; ++i) {
+ l_current_tile_param->tccps = (opj_tccp_t*) opj_malloc(l_image->numcomps * sizeof(opj_tccp_t));
+ if (l_current_tile_param->tccps == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
+ return OPJ_FALSE;
+ }
+ memset(l_current_tile_param->tccps,0,l_image->numcomps * sizeof(opj_tccp_t));
+
+ ++l_current_tile_param;
+ }
+
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH; // FIXME J2K_DEC_STATE_MH;
+ opj_image_comp_header_update(l_image,l_cp);
+
+ return OPJ_TRUE;
+}
+
+
+
+static void j2k_write_com(opj_j2k_t *j2k) {
+ unsigned int i;
+ int lenp, len;
+
+ if(j2k->cp->comment) {
+ opj_cio_t *cio = j2k->cio;
+ char *comment = j2k->cp->comment;
+
+ cio_write(cio, J2K_MS_COM, 2);
+ lenp = cio_tell(cio);
+ cio_skip(cio, 2);
+ cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
+ for (i = 0; i < strlen(comment); i++) {
+ cio_write(cio, comment[i], 1);
+ }
+ len = cio_tell(cio) - lenp;
+ cio_seek(cio, lenp);
+ cio_write(cio, len, 2);
+ cio_seek(cio, lenp + len);
+
+
+ if(j2k->cstr_info)
+ j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
+
+ }
+}
+
+static void j2k_read_com(opj_j2k_t *j2k) {
+ int len;
+
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2);
+ cio_skip(cio, len - 2);
+}
+/**
+ * Reads a COM marker (comments)
+ * @param p_header_data the data contained in the COM box.
+ * @param jp2 the jpeg2000 file codec.
+ * @param p_header_size the size of the data contained in the COM marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_com_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ // preconditions
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_header_data != 00);
+
+ return OPJ_TRUE;
+}
+
+static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
+ int i;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
+ opj_tccp_t *tccp = &tcp->tccps[compno];
+ opj_cio_t *cio = j2k->cio;
+
+ cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
+ cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
+ cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
+ cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
+ cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
+
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ for (i = 0; i < tccp->numresolutions; i++) {
+ cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
+ }
+ }
+}
+
+static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
+ int i;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
+ opj_tccp_t *tccp = &tcp->tccps[compno];
+ opj_cio_t *cio = j2k->cio;
+
+ tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
+
+ // If user wants to remove more resolutions than the codestream contains, return error
+ if (cp->reduce >= tccp->numresolutions) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
+ "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
+ j2k->state |= J2K_STATE_ERR;
+ }
+
+ tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
+ tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
+ tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
+ tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
+ if (tccp->csty & J2K_CP_CSTY_PRT) {
+ for (i = 0; i < tccp->numresolutions; i++) {
+ int tmp = cio_read(cio, 1); /* SPcox (I_i) */
+ tccp->prcw[i] = tmp & 0xf;
+ tccp->prch[i] = tmp >> 4;
+ }
+ }
+
+ /* INDEX >> */
+ if(j2k->cstr_info && compno == 0) {
+ for (i = 0; i < tccp->numresolutions; i++) {
+ if (tccp->csty & J2K_CP_CSTY_PRT) {
+ j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
+ j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
+ }
+ else {
+ j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
+ j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
+ }
+ }
+ }
+ /* << INDEX */
+}
+
+static void j2k_write_cod(opj_j2k_t *j2k) {
+ opj_cp_t *cp = NULL;
+ opj_tcp_t *tcp = NULL;
+ int lenp, len;
+
+ opj_cio_t *cio = j2k->cio;
+
+ cio_write(cio, J2K_MS_COD, 2); /* COD */
+
+ lenp = cio_tell(cio);
+ cio_skip(cio, 2);
+
+ cp = j2k->cp;
+ tcp = &cp->tcps[j2k->curtileno];
+
+ cio_write(cio, tcp->csty, 1); /* Scod */
+ cio_write(cio, tcp->prg, 1); /* SGcod (A) */
+ cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
+ cio_write(cio, tcp->mct, 1); /* SGcod (C) */
+
+ j2k_write_cox(j2k, 0);
+ len = cio_tell(cio) - lenp;
+ cio_seek(cio, lenp);
+ cio_write(cio, len, 2); /* Lcod */
+ cio_seek(cio, lenp + len);
+
+ if(j2k->cstr_info)
+ j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
+
+}
+
+static void j2k_read_cod(opj_j2k_t *j2k) {
+ int len, i, pos;
+
+ opj_cio_t *cio = j2k->cio;
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
+ opj_image_t *image = j2k->image;
+
+ len = cio_read(cio, 2); /* Lcod */
+ tcp->csty = cio_read(cio, 1); /* Scod */
+ tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
+ tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
+ tcp->mct = cio_read(cio, 1); /* SGcod (C) */
+
+ pos = cio_tell(cio);
+ for (i = 0; i < image->numcomps; i++) {
+ tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
+ cio_seek(cio, pos);
+ j2k_read_cox(j2k, i);
+ }
+
+ /* Index */
+ if (j2k->cstr_info) {
+ opj_codestream_info_t *cstr_info = j2k->cstr_info;
+ cstr_info->prog = tcp->prg;
+ cstr_info->numlayers = tcp->numlayers;
+ cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
+ for (i = 0; i < image->numcomps; i++) {
+ cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
+ }
+ }
+}
+
+/**
+ * Reads a COD marker (Coding Styke defaults)
+ * @param p_header_data the data contained in the COD box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the COD marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_cod_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ // loop
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_tmp;
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_image_t *l_image = 00;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_cp = &(p_j2k->m_cp);
+
+ /* If we are in the first tile-part header of the current tile */
+ l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+
+ /* Make sure room is sufficient */
+ if (p_header_size < 5) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COD marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_tcp->csty,1); /* Scod */
+ ++p_header_data;
+ opj_read_bytes(p_header_data,&l_tmp,1); /* SGcod (A) */
+ ++p_header_data;
+ l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
+ opj_read_bytes(p_header_data,&l_tcp->numlayers,2); /* SGcod (B) */
+ p_header_data+=2;
+
+ // If user didn't set a number layer to decode take the max specify in the codestream.
+ if (l_cp->m_specific_param.m_dec.m_layer) {
+ l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
+ }
+ else {
+ l_tcp->num_layers_to_decode = l_tcp->numlayers;
+ }
+
+ opj_read_bytes(p_header_data,&l_tcp->mct,1); /* SGcod (C) */
+ ++p_header_data;
+
+ p_header_size -= 5;
+ for (i = 0; i < l_image->numcomps; ++i) {
+ l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
+ }
+
+ if (! j2k_read_SPCod_SPCoc(p_j2k,0,p_header_data,&p_header_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COD marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (p_header_size != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COD marker\n");
+ return OPJ_FALSE;
+ }
+
+ /* Apply the coding style to other components of the current tile or the m_default_tcp*/
+ j2k_copy_tile_component_parameters(p_j2k);
+
+ /* Index */
+#ifdef WIP_REMOVE_MSD
+ if (p_j2k->cstr_info) {
+ //opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;
+ p_j2k->cstr_info->prog = l_tcp->prg;
+ p_j2k->cstr_info->numlayers = l_tcp->numlayers;
+ p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(l_image->numcomps * sizeof(OPJ_UINT32));
+ for (i = 0; i < l_image->numcomps; ++i) {
+ p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
+ }
+ }
+#endif
+
+ return OPJ_TRUE;
+}
+
+static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
+ int lenp, len;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
+ opj_image_t *image = j2k->image;
+ opj_cio_t *cio = j2k->cio;
+
+ cio_write(cio, J2K_MS_COC, 2); /* COC */
+ lenp = cio_tell(cio);
+ cio_skip(cio, 2);
+ cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
+ cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
+ j2k_write_cox(j2k, compno);
+ len = cio_tell(cio) - lenp;
+ cio_seek(cio, lenp);
+ cio_write(cio, len, 2); /* Lcoc */
+ cio_seek(cio, lenp + len);
+}
+
+static void j2k_read_coc(opj_j2k_t *j2k) {
+ int len, compno;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
+ opj_image_t *image = j2k->image;
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2); /* Lcoc */
+ compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
+ tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
+ j2k_read_cox(j2k, compno);
+}
+
+/**
+ * Reads a COC marker (Coding Style Component)
+ * @param p_header_data the data contained in the COC box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the COC marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_coc_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ opj_cp_v2_t *l_cp = NULL;
+ opj_tcp_v2_t *l_tcp = NULL;
+ opj_image_t *l_image = NULL;
+ OPJ_UINT32 l_comp_room;
+ OPJ_UINT32 l_comp_no;
+
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ) ? /*FIXME J2K_DEC_STATE_TPH*/
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ l_image = p_j2k->m_private_image;
+
+ l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
+
+ // make sure room is sufficient
+ if (p_header_size < l_comp_room + 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COC marker\n");
+ return OPJ_FALSE;
+ }
+ p_header_size -= l_comp_room + 1;
+
+ opj_read_bytes(p_header_data,&l_comp_no,l_comp_room); /* Ccoc */
+ p_header_data += l_comp_room;
+ if (l_comp_no >= l_image->numcomps) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COC marker (bad number of components)\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_tcp->tccps[l_comp_no].csty,1); /* Scoc */
+ ++p_header_data ;
+
+ if (! j2k_read_SPCod_SPCoc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COC marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (p_header_size != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COC marker\n");
+ return OPJ_FALSE;
+ }
+ return OPJ_TRUE;
+}
+
+static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
+ int bandno, numbands;
+ int expn, mant;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
+ opj_tccp_t *tccp = &tcp->tccps[compno];
+ opj_cio_t *cio = j2k->cio;
+
+ cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
+ numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
+
+ for (bandno = 0; bandno < numbands; bandno++) {
+ expn = tccp->stepsizes[bandno].expn;
+ mant = tccp->stepsizes[bandno].mant;
+
+ if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ cio_write(cio, expn << 3, 1); /* SPqcx_i */
+ } else {
+ cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
+ }
+ }
+}
+
+static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
+ int tmp;
+ int bandno, numbands;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
+ opj_tccp_t *tccp = &tcp->tccps[compno];
+ opj_cio_t *cio = j2k->cio;
+
+ tmp = cio_read(cio, 1); /* Sqcx */
+ tccp->qntsty = tmp & 0x1f;
+ tccp->numgbits = tmp >> 5;
+ numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
+ 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+
+ /* if JPWL is on, we check whether there are too many subbands */
+ if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
+ opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: bad number of subbands in Sqcx (%d)\n",
+ numbands);
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ /* we try to correct */
+ numbands = 1;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
+ "- setting number of bands to %d => HYPOTHESIS!!!\n",
+ numbands);
+ };
+
+ };
+
+#else
+ /* We check whether there are too many subbands */
+ if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
+ opj_event_msg(j2k->cinfo, EVT_WARNING ,
+ "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n"
+ "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS);
+ }
+
+#endif /* USE_JPWL */
+
+ for (bandno = 0; bandno < numbands; bandno++) {
+ int expn, mant;
+ if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
+ mant = 0;
+ } else {
+ tmp = cio_read(cio, 2); /* SPqcx_i */
+ expn = tmp >> 11;
+ mant = tmp & 0x7ff;
+ }
+ if (bandno < J2K_MAXBANDS){
+ tccp->stepsizes[bandno].expn = expn;
+ tccp->stepsizes[bandno].mant = mant;
+ }
+ }
+
+ /* Add Antonin : if scalar_derived -> compute other stepsizes */
+ if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
+ for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
+ tccp->stepsizes[bandno].expn =
+ ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
+ (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
+ tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
+ }
+ }
+ /* ddA */
+}
+
+static void j2k_write_qcd(opj_j2k_t *j2k) {
+ int lenp, len;
+
+ opj_cio_t *cio = j2k->cio;
+
+ cio_write(cio, J2K_MS_QCD, 2); /* QCD */
+ lenp = cio_tell(cio);
+ cio_skip(cio, 2);
+ j2k_write_qcx(j2k, 0);
+ len = cio_tell(cio) - lenp;
+ cio_seek(cio, lenp);
+ cio_write(cio, len, 2); /* Lqcd */
+ cio_seek(cio, lenp + len);
+
+ if(j2k->cstr_info)
+ j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
+}
+
+static void j2k_read_qcd(opj_j2k_t *j2k) {
+ int len, i, pos;
+
+ opj_cio_t *cio = j2k->cio;
+ opj_image_t *image = j2k->image;
+
+ len = cio_read(cio, 2); /* Lqcd */
+ pos = cio_tell(cio);
+ for (i = 0; i < image->numcomps; i++) {
+ cio_seek(cio, pos);
+ j2k_read_qcx(j2k, i, len - 2);
+ }
+}
+
+/**
+ * Reads a QCD marker (Quantization defaults)
+ * @param p_header_data the data contained in the QCD box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the QCD marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_qcd_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ if (! j2k_read_SQcd_SQcc(p_j2k,0,p_header_data,&p_header_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCD marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (p_header_size != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCD marker\n");
+ return OPJ_FALSE;
+ }
+
+ /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
+ j2k_copy_tile_quantization_parameters(p_j2k);
+
+ return OPJ_TRUE;
+}
+
+static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
+ int lenp, len;
+
+ opj_cio_t *cio = j2k->cio;
+
+ cio_write(cio, J2K_MS_QCC, 2); /* QCC */
+ lenp = cio_tell(cio);
+ cio_skip(cio, 2);
+ cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
+ j2k_write_qcx(j2k, compno);
+ len = cio_tell(cio) - lenp;
+ cio_seek(cio, lenp);
+ cio_write(cio, len, 2); /* Lqcc */
+ cio_seek(cio, lenp + len);
+}
+
+static void j2k_read_qcc(opj_j2k_t *j2k) {
+ int len, compno;
+ int numcomp = j2k->image->numcomps;
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2); /* Lqcc */
+ compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+
+ static int backup_compno = 0;
+
+ /* compno is negative or larger than the number of components!!! */
+ if ((compno < 0) || (compno >= numcomp)) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
+ compno, numcomp);
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ /* we try to correct */
+ compno = backup_compno % numcomp;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
+ "- setting component number to %d\n",
+ compno);
+ }
+
+ /* keep your private count of tiles */
+ backup_compno++;
+ };
+#endif /* USE_JPWL */
+
+ j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
+}
+
+/**
+ * Reads a QCC marker (Quantization component)
+ * @param p_header_data the data contained in the QCC box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the QCC marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_qcc_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager)
+{
+ OPJ_UINT32 l_num_comp,l_comp_no;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_num_comp = p_j2k->m_private_image->numcomps;
+
+ if (l_num_comp <= 256) {
+ if (p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCC marker\n");
+ return OPJ_FALSE;
+ }
+ opj_read_bytes(p_header_data,&l_comp_no,1);
+ ++p_header_data;
+ --p_header_size;
+ }
+ else {
+ if (p_header_size < 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCC marker\n");
+ return OPJ_FALSE;
+ }
+ opj_read_bytes(p_header_data,&l_comp_no,2);
+ p_header_data+=2;
+ p_header_size-=2;
+ }
+
+#ifdef USE_JPWL
+ if (p_j2k->m_cp.correct) {
+
+ static OPJ_UINT32 backup_compno = 0;
+
+ /* compno is negative or larger than the number of components!!! */
+ if ((l_comp_no < 0) || (l_comp_no >= l_num_comp)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
+ l_comp_no, l_num_comp);
+ if (!JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ /* we try to correct */
+ l_comp_no = backup_compno % l_num_comp;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust this\n"
+ "- setting component number to %d\n",
+ l_comp_no);
+ }
+
+ /* keep your private count of tiles */
+ backup_compno++;
+ };
+#endif /* USE_JPWL */
+
+ if (! j2k_read_SQcd_SQcc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (p_header_size != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+
+static void j2k_write_poc(opj_j2k_t *j2k) {
+ int len, numpchgs, i;
+
+ int numcomps = j2k->image->numcomps;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
+ opj_tccp_t *tccp = &tcp->tccps[0];
+ opj_cio_t *cio = j2k->cio;
+
+ numpchgs = 1 + tcp->numpocs;
+ cio_write(cio, J2K_MS_POC, 2); /* POC */
+ len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
+ cio_write(cio, len, 2); /* Lpoc */
+ for (i = 0; i < numpchgs; i++) {
+ opj_poc_t *poc = &tcp->pocs[i];
+ cio_write(cio, poc->resno0, 1); /* RSpoc_i */
+ cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
+ cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
+ poc->layno1 = int_min(poc->layno1, tcp->numlayers);
+ cio_write(cio, poc->resno1, 1); /* REpoc_i */
+ poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
+ cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
+ poc->compno1 = int_min(poc->compno1, numcomps);
+ cio_write(cio, poc->prg, 1); /* Ppoc_i */
+ }
+}
+
+static void j2k_read_poc(opj_j2k_t *j2k) {
+ int len, numpchgs, i, old_poc;
+
+ int numcomps = j2k->image->numcomps;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
+ opj_cio_t *cio = j2k->cio;
+
+ old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
+ tcp->POC = 1;
+ len = cio_read(cio, 2); /* Lpoc */
+ numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
+
+ for (i = old_poc; i < numpchgs + old_poc; i++) {
+ opj_poc_t *poc;
+ poc = &tcp->pocs[i];
+ poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
+ poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
+ poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
+ poc->resno1 = cio_read(cio, 1); /* REpoc_i */
+ poc->compno1 = int_min(
+ cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
+ poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
+ }
+
+ tcp->numpocs = numpchgs + old_poc - 1;
+}
+
+/**
+ * Reads a POC marker (Progression Order Change)
+ *
+ * @param p_header_data the data contained in the POC box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the POC marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_poc_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager)
+{
+ OPJ_UINT32 i, l_nb_comp, l_tmp;
+ opj_image_t * l_image = 00;
+ OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
+ OPJ_UINT32 l_chunk_size, l_comp_room;
+
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_poc_t *l_current_poc = 00;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_nb_comp = l_image->numcomps;
+ if (l_nb_comp <= 256) {
+ l_comp_room = 1;
+ }
+ else {
+ l_comp_room = 2;
+ }
+ l_chunk_size = 5 + 2 * l_comp_room;
+ l_current_poc_nb = p_header_size / l_chunk_size;
+ l_current_poc_remaining = p_header_size % l_chunk_size;
+
+ if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading POC marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
+ l_current_poc_nb += l_old_poc_nb;
+
+ assert(l_current_poc_nb < 32);
+
+ /* now poc is in use.*/
+ l_tcp->POC = 1;
+
+ l_current_poc = &l_tcp->pocs[l_old_poc_nb];
+ for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
+ opj_read_bytes(p_header_data,&(l_current_poc->resno0),1); /* RSpoc_i */
+ ++p_header_data;
+ opj_read_bytes(p_header_data,&(l_current_poc->compno0),l_comp_room); /* CSpoc_i */
+ p_header_data+=l_comp_room;
+ opj_read_bytes(p_header_data,&(l_current_poc->layno1),2); /* LYEpoc_i */
+ p_header_data+=2;
+ opj_read_bytes(p_header_data,&(l_current_poc->resno1),1); /* REpoc_i */
+ ++p_header_data;
+ opj_read_bytes(p_header_data,&(l_current_poc->compno1),l_comp_room); /* CEpoc_i */
+ p_header_data+=l_comp_room;
+ opj_read_bytes(p_header_data,&l_tmp,1); /* Ppoc_i */
+ ++p_header_data;
+ l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
+ /* make sure comp is in acceptable bounds */
+ l_current_poc->compno1 = uint_min(l_current_poc->compno1, l_nb_comp);
+ ++l_current_poc;
+ }
+
+ l_tcp->numpocs = l_current_poc_nb - 1;
+ return OPJ_TRUE;
+}
+
+static void j2k_read_crg(opj_j2k_t *j2k) {
+ int len, i, Xcrg_i, Ycrg_i;
+
+ opj_cio_t *cio = j2k->cio;
+ int numcomps = j2k->image->numcomps;
+
+ len = cio_read(cio, 2); /* Lcrg */
+ for (i = 0; i < numcomps; i++) {
+ Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
+ Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
+ }
+}
+
+/**
+ * Reads a CRG marker (Component registration)
+ *
+ * @param p_header_data the data contained in the TLM box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the TLM marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_crg_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ OPJ_UINT32 l_nb_comp;
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_nb_comp = p_j2k->m_private_image->numcomps;
+
+ if (p_header_size != l_nb_comp *4) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading CRG marker\n");
+ return OPJ_FALSE;
+ }
+ /* Do not care of this at the moment since only local variables are set here */
+ /*
+ for
+ (i = 0; i < l_nb_comp; ++i)
+ {
+ opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
+ p_header_data+=2;
+ opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
+ p_header_data+=2;
+ }
+ */
+ return OPJ_TRUE;
+}
+
+static void j2k_read_tlm(opj_j2k_t *j2k) {
+ int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
+ long int Ttlm_i, Ptlm_i;
+
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2); /* Ltlm */
+ Ztlm = cio_read(cio, 1); /* Ztlm */
+ Stlm = cio_read(cio, 1); /* Stlm */
+ ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
+ SP = (Stlm >> 6) & 0x01;
+ tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
+ for (i = 0; i < tile_tlm; i++) {
+ Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
+ Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
+ }
+}
+
+/**
+ * Reads a TLM marker (Tile Length Marker)
+ *
+ * @param p_header_data the data contained in the TLM box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the TLM marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_tlm_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp, l_tot_num_tp_remaining, l_quotient, l_Ptlm_size;
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ if (p_header_size < 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading TLM marker\n");
+ return OPJ_FALSE;
+ }
+ p_header_size -= 2;
+
+ opj_read_bytes(p_header_data,&l_Ztlm,1); /* Ztlm */
+ ++p_header_data;
+ opj_read_bytes(p_header_data,&l_Stlm,1); /* Stlm */
+ ++p_header_data;
+
+ l_ST = ((l_Stlm >> 4) & 0x3);
+ l_SP = (l_Stlm >> 6) & 0x1;
+
+ l_Ptlm_size = (l_SP + 1) * 2;
+ l_quotient = l_Ptlm_size + l_ST;
+
+ l_tot_num_tp = p_header_size / l_quotient;
+ l_tot_num_tp_remaining = p_header_size % l_quotient;
+
+ if (l_tot_num_tp_remaining != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading TLM marker\n");
+ return OPJ_FALSE;
+ }
+ /* FIXME Do not care of this at the moment since only local variables are set here */
+ /*
+ for
+ (i = 0; i < l_tot_num_tp; ++i)
+ {
+ opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
+ p_header_data += l_ST;
+ opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
+ p_header_data += l_Ptlm_size;
+ }*/
+ return OPJ_TRUE;
+}
+
+static void j2k_read_plm(opj_j2k_t *j2k) {
+ int len, i, Zplm, Nplm, add, packet_len = 0;
+
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2); /* Lplm */
+ Zplm = cio_read(cio, 1); /* Zplm */
+ len -= 3;
+ while (len > 0) {
+ Nplm = cio_read(cio, 4); /* Nplm */
+ len -= 4;
+ for (i = Nplm; i > 0; i--) {
+ add = cio_read(cio, 1);
+ len--;
+ packet_len = (packet_len << 7) + add; /* Iplm_ij */
+ if ((add & 0x80) == 0) {
+ /* New packet */
+ packet_len = 0;
+ }
+ if (len <= 0)
+ break;
+ }
+ }
+}
+
+/**
+ * Reads a PLM marker (Packet length, main header marker)
+ *
+ * @param p_header_data the data contained in the TLM box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the TLM marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_plm_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ if (p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PLM marker\n");
+ return OPJ_FALSE;
+ }
+ /* Do not care of this at the moment since only local variables are set here */
+ /*
+ opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
+ ++p_header_data;
+ --p_header_size;
+
+ while
+ (p_header_size > 0)
+ {
+ opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
+ ++p_header_data;
+ p_header_size -= (1+l_Nplm);
+ if
+ (p_header_size < 0)
+ {
+ opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
+ return false;
+ }
+ for
+ (i = 0; i < l_Nplm; ++i)
+ {
+ opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
+ ++p_header_data;
+ // take only the last seven bytes
+ l_packet_len |= (l_tmp & 0x7f);
+ if
+ (l_tmp & 0x80)
+ {
+ l_packet_len <<= 7;
+ }
+ else
+ {
+ // store packet length and proceed to next packet
+ l_packet_len = 0;
+ }
+ }
+ if
+ (l_packet_len != 0)
+ {
+ opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
+ return false;
+ }
+ }
+ */
+ return OPJ_TRUE;
+}
+
+static void j2k_read_plt(opj_j2k_t *j2k) {
+ int len, i, Zplt, packet_len = 0, add;
+
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2); /* Lplt */
+ Zplt = cio_read(cio, 1); /* Zplt */
+ for (i = len - 3; i > 0; i--) {
+ add = cio_read(cio, 1);
+ packet_len = (packet_len << 7) + add; /* Iplt_i */
+ if ((add & 0x80) == 0) {
+ /* New packet */
+ packet_len = 0;
+ }
+ }
+}
+
+/**
+ * Reads a PLT marker (Packet length, tile-part header)
+ *
+ * @param p_header_data the data contained in the PLT box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the PLT marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_plt_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
+
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ if (p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PLM marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_Zplt,1); /* Zplt */
+ ++p_header_data;
+ --p_header_size;
+
+ for (i = 0; i < p_header_size; ++i) {
+ opj_read_bytes(p_header_data,&l_tmp,1); /* Iplt_ij */
+ ++p_header_data;
+ // take only the last seven bytes
+ l_packet_len |= (l_tmp & 0x7f);
+ if (l_tmp & 0x80) {
+ l_packet_len <<= 7;
+ }
+ else {
+ // store packet length and proceed to next packet
+ l_packet_len = 0;
+ }
+ }
+
+ if (l_packet_len != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PLM marker\n");
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+static void j2k_read_ppm(opj_j2k_t *j2k) {
+ int len, Z_ppm, i, j;
+ int N_ppm;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2);
+ cp->ppm = 1;
+
+ Z_ppm = cio_read(cio, 1); /* Z_ppm */
+ len -= 3;
+ while (len > 0) {
+ if (cp->ppm_previous == 0) {
+ N_ppm = cio_read(cio, 4); /* N_ppm */
+ len -= 4;
+ } else {
+ N_ppm = cp->ppm_previous;
+ }
+ j = cp->ppm_store;
+ if (Z_ppm == 0) { /* First PPM marker */
+ cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
+ cp->ppm_data_first = cp->ppm_data;
+ cp->ppm_len = N_ppm;
+ } else { /* NON-first PPM marker */
+ cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
+
+#ifdef USE_JPWL
+ /* this memory allocation check could be done even in non-JPWL cases */
+ if (cp->correct) {
+ if (!cp->ppm_data) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
+ cio_tell(cio));
+ if (!JPWL_ASSUME || JPWL_ASSUME) {
+ opj_free(cp->ppm_data);
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ }
+ }
+#endif
+
+ cp->ppm_data_first = cp->ppm_data;
+ cp->ppm_len = N_ppm + cp->ppm_store;
+ }
+ for (i = N_ppm; i > 0; i--) { /* Read packet header */
+ cp->ppm_data[j] = cio_read(cio, 1);
+ j++;
+ len--;
+ if (len == 0)
+ break; /* Case of non-finished packet header in present marker but finished in next one */
+ }
+ cp->ppm_previous = i - 1;
+ cp->ppm_store = j;
+ }
+}
+/**
+ * Reads a PPM marker (Packed packet headers, main header)
+ *
+ * @param p_header_data the data contained in the POC box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the POC marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_ppm_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+
+ opj_cp_v2_t *l_cp = 00;
+ OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm;
+
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ if (p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPM marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_cp = &(p_j2k->m_cp);
+ l_cp->ppm = 1;
+
+ opj_read_bytes(p_header_data,&l_Z_ppm,1); /* Z_ppm */
+ ++p_header_data;
+ --p_header_size;
+
+ // First PPM marker
+ if (l_Z_ppm == 0) {
+ if (p_header_size < 4) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPM marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
+ p_header_data+=4;
+ p_header_size-=4;
+
+ /* First PPM marker: Initialization */
+ l_cp->ppm_len = l_N_ppm;
+ l_cp->ppm_data_size = 0;
+
+ l_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_cp->ppm_len);
+ if (l_cp->ppm_buffer == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
+ return OPJ_FALSE;
+ }
+ memset(l_cp->ppm_buffer,0,l_cp->ppm_len);
+
+ l_cp->ppm_data = l_cp->ppm_buffer;
+ }
+
+ while (1) {
+ if (l_cp->ppm_data_size == l_cp->ppm_len) {
+ if (p_header_size >= 4) {
+ // read a N_ppm
+ opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
+ p_header_data+=4;
+ p_header_size-=4;
+ l_cp->ppm_len += l_N_ppm ;
+
+ l_cp->ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len);
+ if (l_cp->ppm_buffer == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
+ return OPJ_FALSE;
+ }
+ memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm);
+
+ l_cp->ppm_data = l_cp->ppm_buffer;
+ }
+ else {
+ return OPJ_FALSE;
+ }
+ }
+
+ l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size;
+
+ if (l_remaining_data <= p_header_size) {
+ /* we must store less information than available in the packet */
+ memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data);
+ l_cp->ppm_data_size = l_cp->ppm_len;
+ p_header_size -= l_remaining_data;
+ p_header_data += l_remaining_data;
+ }
+ else {
+ memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size);
+ l_cp->ppm_data_size += p_header_size;
+ p_header_data += p_header_size;
+ p_header_size = 0;
+ break;
+ }
+ }
+
+ return OPJ_TRUE;
+}
+
+
+
+/**
+ * Reads a PPM marker (Packed packet headers, main header)
+ *
+ * @param p_header_data the data contained in the POC box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the POC marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_ppm_v3 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ opj_cp_v2_t *l_cp = 00;
+ OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm;
+
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ // Minimum size of PPM marker is equal to the size of Zppm element
+ if (p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPM marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_cp = &(p_j2k->m_cp);
+ l_cp->ppm = 1;
+
+ opj_read_bytes(p_header_data,&l_Z_ppm,1); /* Z_ppm */
+ ++p_header_data;
+ --p_header_size;
+
+ // First PPM marker
+ if (l_Z_ppm == 0) {
+ // We need now at least the Nppm^0 element
+ if (p_header_size < 4) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPM marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */
+ p_header_data+=4;
+ p_header_size-=4;
+
+ /* First PPM marker: Initialization */
+ l_cp->ppm_len = l_N_ppm;
+ l_cp->ppm_data_read = 0;
+
+ l_cp->ppm_data = (OPJ_BYTE *) opj_malloc(l_cp->ppm_len);
+ if (l_cp->ppm_data == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
+ return OPJ_FALSE;
+ }
+ memset(l_cp->ppm_data,0,l_cp->ppm_len);
+
+ l_cp->ppm_data_current = l_cp->ppm_data;
+
+ //l_cp->ppm_data = l_cp->ppm_buffer;
+ }
+ else {
+ if (p_header_size < 4) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Empty PPM marker\n");
+ return OPJ_TRUE;
+ }
+ else {
+ // Uncompleted Ippm series in the previous PPM marker?
+ if (l_cp->ppm_data_read < l_cp->ppm_len) {
+ // Get the place where add the remaining Ippm series
+ l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_data_read]);
+ l_N_ppm = l_cp->ppm_len - l_cp->ppm_data_read;
+ }
+ else {
+ opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */
+ p_header_data+=4;
+ p_header_size-=4;
+
+ // Increase the size of ppm_data to add the new Ippm series
+ l_cp->ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
+
+ // Keep the position of the place where concatenate the new series
+ l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
+ l_cp->ppm_len += l_N_ppm;
+ }
+ }
+ }
+
+ l_remaining_data = p_header_size;
+
+ while (l_remaining_data >= l_N_ppm) {
+ // read a complete Ippm series
+ memcpy(l_cp->ppm_data_current, p_header_data, l_N_ppm);
+ p_header_size -= l_N_ppm;
+ p_header_data += l_N_ppm;
+
+ l_cp->ppm_data_read += l_N_ppm; // Increase the number of data read
+
+ if (p_header_size)
+ {
+ opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm^i */
+ p_header_data+=4;
+ p_header_size-=4;
+ }
+ else {
+ l_remaining_data = p_header_size;
+ break;
+ }
+
+ l_remaining_data = p_header_size;
+
+ // Next Ippm series is a complete series ?
+ if (l_remaining_data > l_N_ppm) {
+ // Increase the size of ppm_data to add the new Ippm series
+ l_cp->ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
+
+ // Keep the position of the place where concatenate the new series
+ l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
+ l_cp->ppm_len += l_N_ppm;
+ }
+
+ }
+
+ // Need to read an incomplete Ippm series
+ if (l_remaining_data) {
+ l_cp->ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
+
+ // Keep the position of the place where concatenate the new series
+ l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
+ l_cp->ppm_len += l_N_ppm;
+
+ // Read incomplete Ippm series
+ memcpy(l_cp->ppm_data_current, p_header_data, l_remaining_data);
+ p_header_size -= l_remaining_data;
+ p_header_data += l_remaining_data;
+
+ l_cp->ppm_data_read += l_remaining_data; // Increase the number of data read
+ }
+
+#ifdef CLEAN_MSD
+
+ if (l_cp->ppm_data_size == l_cp->ppm_len) {
+ if (p_header_size >= 4) {
+ // read a N_ppm
+ opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
+ p_header_data+=4;
+ p_header_size-=4;
+ l_cp->ppm_len += l_N_ppm ;
+
+ l_cp->ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len);
+ if (l_cp->ppm_buffer == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
+ return OPJ_FALSE;
+ }
+ memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm);
+
+ l_cp->ppm_data = l_cp->ppm_buffer;
+ }
+ else {
+ return OPJ_FALSE;
+ }
+ }
+
+ l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size;
+
+ if (l_remaining_data <= p_header_size) {
+ /* we must store less information than available in the packet */
+ memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data);
+ l_cp->ppm_data_size = l_cp->ppm_len;
+ p_header_size -= l_remaining_data;
+ p_header_data += l_remaining_data;
+ }
+ else {
+ memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size);
+ l_cp->ppm_data_size += p_header_size;
+ p_header_data += p_header_size;
+ p_header_size = 0;
+ break;
+ }
+ }
+#endif
+ return OPJ_TRUE;
+}
+
+static void j2k_read_ppt(opj_j2k_t *j2k) {
+ int len, Z_ppt, i, j = 0;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2);
+ Z_ppt = cio_read(cio, 1);
+ tcp->ppt = 1;
+ if (Z_ppt == 0) { /* First PPT marker */
+ tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
+ tcp->ppt_data_first = tcp->ppt_data;
+ tcp->ppt_store = 0;
+ tcp->ppt_len = len - 3;
+ } else { /* NON-first PPT marker */
+ tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
+ tcp->ppt_data_first = tcp->ppt_data;
+ tcp->ppt_len = len - 3 + tcp->ppt_store;
+ }
+ j = tcp->ppt_store;
+ for (i = len - 3; i > 0; i--) {
+ tcp->ppt_data[j] = cio_read(cio, 1);
+ j++;
+ }
+ tcp->ppt_store = j;
+}
+
+/**
+ * Reads a PPT marker (Packed packet headers, tile-part header)
+ *
+ * @param p_header_data the data contained in the PPT box.
+ * @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.
+*/
+opj_bool j2k_read_ppt_v2 ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager )
+{
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ OPJ_UINT32 l_Z_ppt;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ /* We need to have the Z_ppt element at minimum */
+ if (p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPT marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_cp = &(p_j2k->m_cp);
+ if (l_cp->ppm){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
+ return OPJ_FALSE;
+ }
+
+ l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
+ l_tcp->ppt = 1;
+
+ opj_read_bytes(p_header_data,&l_Z_ppt,1); /* Z_ppt */
+ ++p_header_data;
+ --p_header_size;
+
+ /* Allocate buffer to read the packet header */
+ if (l_Z_ppt == 0) {
+ /* First PPT marker */
+ l_tcp->ppt_data_size = 0;
+ l_tcp->ppt_len = p_header_size;
+
+ l_tcp->ppt_buffer = (OPJ_BYTE *) opj_calloc(l_tcp->ppt_len, sizeof(OPJ_BYTE) );
+ if (l_tcp->ppt_buffer == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n");
+ return OPJ_FALSE;
+ }
+ l_tcp->ppt_data = l_tcp->ppt_buffer;
+
+ /* memset(l_tcp->ppt_buffer,0,l_tcp->ppt_len); */
+ }
+ else {
+ l_tcp->ppt_len += p_header_size;
+
+ l_tcp->ppt_buffer = (OPJ_BYTE *) opj_realloc(l_tcp->ppt_buffer,l_tcp->ppt_len);
+ if (l_tcp->ppt_buffer == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n");
+ return OPJ_FALSE;
+ }
+ l_tcp->ppt_data = l_tcp->ppt_buffer;
+
+ memset(l_tcp->ppt_buffer+l_tcp->ppt_data_size,0,p_header_size);
+ }
+
+ /* Read packet header from buffer */
+ memcpy(l_tcp->ppt_buffer+l_tcp->ppt_data_size,p_header_data,p_header_size);
+
+ l_tcp->ppt_data_size += p_header_size;
+
+ return OPJ_TRUE;
+}
+
+static void j2k_write_tlm(opj_j2k_t *j2k){
+ int lenp;
+ opj_cio_t *cio = j2k->cio;
+ j2k->tlm_start = cio_tell(cio);
+ cio_write(cio, J2K_MS_TLM, 2);/* TLM */
+ lenp = 4 + (5*j2k->totnum_tp);
+ cio_write(cio,lenp,2); /* Ltlm */
+ cio_write(cio, 0,1); /* Ztlm=0*/
+ cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
+ cio_skip(cio,5*j2k->totnum_tp);
+}
+
+static void j2k_write_sot(opj_j2k_t *j2k) {
+ int lenp, len;
+
+ opj_cio_t *cio = j2k->cio;
+
+ j2k->sot_start = cio_tell(cio);
+ cio_write(cio, J2K_MS_SOT, 2); /* SOT */
+ lenp = cio_tell(cio);
+ cio_skip(cio, 2); /* Lsot (further) */
+ cio_write(cio, j2k->curtileno, 2); /* Isot */
+ cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
+ cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
+ cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
+ len = cio_tell(cio) - lenp;
+ cio_seek(cio, lenp);
+ cio_write(cio, len, 2); /* Lsot */
+ cio_seek(cio, lenp + len);
+
+ /* UniPG>> */
+#ifdef USE_JPWL
+ /* update markers struct */
+ j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
+#endif /* USE_JPWL */
+ /* <<UniPG */
+
+ if( j2k->cstr_info && j2k->cur_tp_num==0){
+ j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
+ }
+}
+
+static void j2k_read_sot(opj_j2k_t *j2k) {
+ int len, tileno, totlen, partno, numparts, i;
+ opj_tcp_t *tcp = NULL;
+ char status = 0;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_cio_t *cio = j2k->cio;
+
+ len = cio_read(cio, 2);
+ tileno = cio_read(cio, 2);
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+
+ static int backup_tileno = 0;
+
+ /* tileno is negative or larger than the number of tiles!!! */
+ if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: bad tile number (%d out of a maximum of %d)\n",
+ tileno, (cp->tw * cp->th));
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ /* we try to correct */
+ tileno = backup_tileno;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
+ "- setting tile number to %d\n",
+ tileno);
+ }
+
+ /* keep your private count of tiles */
+ backup_tileno++;
+ };
+#endif /* USE_JPWL */
+
+ if (cp->tileno_size == 0) {
+ cp->tileno[cp->tileno_size] = tileno;
+ cp->tileno_size++;
+ } else {
+ i = 0;
+ while (i < cp->tileno_size && status == 0) {
+ status = cp->tileno[i] == tileno ? 1 : 0;
+ i++;
+ }
+ if (status == 0) {
+ cp->tileno[cp->tileno_size] = tileno;
+ cp->tileno_size++;
+ }
+ }
+
+ totlen = cio_read(cio, 4);
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+
+ /* totlen is negative or larger than the bytes left!!! */
+ if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
+ totlen, cio_numbytesleft(cio) + 8);
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ /* we try to correct */
+ totlen = 0;
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
+ "- setting Psot to %d => assuming it is the last tile\n",
+ totlen);
+ }
+
+ };
+#endif /* USE_JPWL */
+
+ if (!totlen)
+ totlen = cio_numbytesleft(cio) + 8;
+
+ partno = 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 (%d) than number of tile-parts (%d)\n", tileno, partno, numparts);
+ numparts = partno+1;
+ }
+
+ j2k->curtileno = tileno;
+ j2k->cur_tp_num = partno;
+ j2k->eot = cio_getbp(cio) - 12 + totlen;
+ j2k->state = J2K_STATE_TPH;
+ tcp = &cp->tcps[j2k->curtileno];
+
+ /* Index */
+ if (j2k->cstr_info) {
+ if (tcp->first) {
+ if (tileno == 0)
+ j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
+ j2k->cstr_info->tile[tileno].tileno = tileno;
+ 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;
+ } else {
+ 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_end_pos =
+ j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
+ }
+
+ if (tcp->first == 1) {
+ /* Initialization PPT */
+ opj_tccp_t *tmp = tcp->tccps;
+ memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
+ tcp->ppt = 0;
+ tcp->ppt_data = NULL;
+ tcp->ppt_data_first = NULL;
+ tcp->tccps = tmp;
+
+ for (i = 0; i < j2k->image->numcomps; i++) {
+ tcp->tccps[i] = j2k->default_tcp->tccps[i];
+ }
+ cp->tcps[j2k->curtileno].first = 0;
+ }
+}
+
+/**
+ * Reads a PPT marker (Packed packet headers, tile-part header)
+ *
+ * @param p_header_data the data contained in the PPT box.
+ * @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.
+*/
+opj_bool j2k_read_sot_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ OPJ_UINT32 l_tot_len, l_num_parts = 0;
+ OPJ_UINT32 l_current_part;
+ 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) {
+ opj_event_msg_v2(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;
+
+ l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
+ l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
+ l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
+
+#ifdef USE_JPWL
+ if (l_cp->correct) {
+
+ int tileno = p_j2k->m_current_tile_number;
+ static int backup_tileno = 0;
+
+ /* tileno is negative or larger than the number of tiles!!! */
+ if ((tileno < 0) || (tileno > (l_cp->tw * l_cp->th))) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "JPWL: bad tile number (%d out of a maximum of %d)\n",
+ tileno, (l_cp->tw * l_cp->th));
+ if (!JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ /* we try to correct */
+ tileno = backup_tileno;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust this\n"
+ "- setting tile number to %d\n",
+ tileno);
+ }
+
+ /* keep your private count of tiles */
+ backup_tileno++;
+ };
+#endif /* USE_JPWL */
+
+ /* look for the tile in the list of already processed tile (in parts). */
+ /* 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;
+
+#ifdef USE_JPWL
+ if (l_cp->correct) {
+
+ /* totlen is negative or larger than the bytes left!!! */
+ if ((l_tot_len < 0) || (l_tot_len > p_header_size ) ) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
+ l_tot_len, p_header_size ); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
+ if (!JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ /* we try to correct */
+ l_tot_len = 0;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust this\n"
+ "- setting Psot to %d => assuming it is the last tile\n",
+ l_tot_len);
+ }
+ };
+#endif /* USE_JPWL */
+
+ /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
+ if (!l_tot_len) {
+ opj_event_msg_v2(p_manager, EVT_INFO, "Psot value of the current tile-part is equal to zero, "
+ "we assuming it is the last tile-part of the codestream.\n");
+ 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 */
+ /* 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) {
+ if (l_current_part >= l_tcp->m_nb_tile_parts){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "In SOT marker, TPSot (%d) is not valid regards to the current "
+ "number of tile-part (%d), giving up\n", l_current_part, l_tcp->m_nb_tile_parts );
+ p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
+ return OPJ_FALSE;
+ }
+ }
+ l_tcp->m_nb_tile_parts = l_num_parts;
+ }
+
+ /* If know the number of tile part header we will check if we didn't read the last*/
+ if (l_tcp->m_nb_tile_parts) {
+ if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
+ p_j2k->m_specific_param.m_decoder.m_can_decode = 1; /* Process the last tile-part header*/
+ }
+ }
+
+ if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part){
+ /* Keep the size of data to skip after this marker */
+ p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len - 12; /* SOT_marker_size = 12 */
+ }
+ else {
+ /* FIXME: need to be computed from the number of bytes remaining in the codestream */
+ p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
+ }
+
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
+
+ /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
+ if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
+ p_j2k->m_specific_param.m_decoder.m_skip_data =
+ (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
+ || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
+ || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
+ || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
+ }
+ else
+ p_j2k->m_specific_param.m_decoder.m_skip_data =
+ (p_j2k->m_current_tile_number != p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
+
+ /* Index */
+ if (p_j2k->cstr_index)
+ {
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno = l_current_part;
+
+ if (l_num_parts != 0){
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps = l_num_parts;
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = l_num_parts;
+
+
+ if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
+ (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
+ else
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
+ (opj_tp_index_t*)opj_realloc(
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
+ l_num_parts* sizeof(opj_tp_index_t));
+ }
+ else{
+ /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
+
+ if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
+ (opj_tp_index_t*)opj_calloc( p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
+ sizeof(opj_tp_index_t));
+ }
+
+ if ( l_current_part >= p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps ){
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps += 10;
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
+ (opj_tp_index_t*)opj_realloc( p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
+ p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps
+ * sizeof(opj_tp_index_t));
+ }
+ }
+
+ }
+
+ }
+
+
+ /* FIXME move this onto a separate method to call before reading any SOT, remove part about main_end header, use a index struct inside p_j2k */
+ /* if (p_j2k->cstr_info) {
+ if (l_tcp->first) {
+ if (tileno == 0) {
+ p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
+ }
+
+ p_j2k->cstr_info->tile[tileno].tileno = tileno;
+ p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
+ p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
+ p_j2k->cstr_info->tile[tileno].num_tps = numparts;
+
+ if (numparts) {
+ p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
+ }
+ else {
+ p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
+ }
+ }
+ else {
+ p_j2k->cstr_info->tile[tileno].end_pos += totlen;
+ }
+
+ p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
+ p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
+ p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
+ }*/
+ return OPJ_TRUE;
+}
+
+static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
+ int l, layno;
+ int totlen;
+ opj_tcp_t *tcp = NULL;
+ opj_codestream_info_t *cstr_info = NULL;
+
+ opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
+ opj_cp_t *cp = j2k->cp;
+ opj_cio_t *cio = j2k->cio;
+
+ tcd->tp_num = j2k->tp_num ;
+ tcd->cur_tp_num = j2k->cur_tp_num;
+
+ cio_write(cio, J2K_MS_SOD, 2);
+
+ if( j2k->cstr_info && j2k->cur_tp_num==0){
+ j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
+ }
+
+ if (j2k->curtileno == 0) {
+ j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
+ }
+
+ /* INDEX >> */
+ cstr_info = j2k->cstr_info;
+ if (cstr_info) {
+ if (!j2k->cur_tp_num ) {
+ cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
+ j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
+ }
+ else{
+ if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
+ cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
+ }
+ /* UniPG>> */
+#ifdef USE_JPWL
+ /* update markers struct */
+ j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
+#endif /* USE_JPWL */
+ /* <<UniPG */
+ }
+ /* << INDEX */
+
+ tcp = &cp->tcps[j2k->curtileno];
+ for (layno = 0; layno < tcp->numlayers; layno++) {
+ if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
+ tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
+ } else if (tcp->rates[layno]) {
+ tcp->rates[layno]=1;
+ }
+ }
+ if(j2k->cur_tp_num == 0){
+ tcd->tcd_image->tiles->packno = 0;
+ if(cstr_info)
+ cstr_info->packno = 0;
+ }
+
+ l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
+
+ /* Writing Psot in SOT marker */
+ totlen = cio_tell(cio) + l - j2k->sot_start;
+ cio_seek(cio, j2k->sot_start + 6);
+ cio_write(cio, totlen, 4);
+ cio_seek(cio, j2k->sot_start + totlen);
+ /* Writing Ttlm and Ptlm in TLM marker */
+ if(cp->cinema){
+ cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
+ cio_write(cio, j2k->curtileno, 1);
+ cio_write(cio, totlen, 4);
+ }
+ cio_seek(cio, j2k->sot_start + totlen);
+}
+
+static void j2k_read_sod(opj_j2k_t *j2k) {
+ int len, truncate = 0, i;
+ unsigned char *data = NULL, *data_ptr = NULL;
+
+ opj_cio_t *cio = j2k->cio;
+ int curtileno = j2k->curtileno;
+
+ /* Index */
+ if (j2k->cstr_info) {
+ j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
+ cio_tell(cio) + j2k->pos_correction - 1;
+ if (j2k->cur_tp_num == 0)
+ j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
+ j2k->cstr_info->packno = 0;
+ }
+
+ len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
+
+ if (len == cio_numbytesleft(cio) + 1) {
+ truncate = 1; /* Case of a truncate codestream */
+ }
+
+ data = j2k->tile_data[curtileno];
+ data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
+
+ data_ptr = data + j2k->tile_len[curtileno];
+ for (i = 0; i < len; i++) {
+ data_ptr[i] = cio_read(cio, 1);
+ }
+
+ j2k->tile_len[curtileno] += len;
+ j2k->tile_data[curtileno] = data;
+
+ if (!truncate) {
+ j2k->state = J2K_STATE_TPHSOT;
+ } else {
+ j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
+ }
+ j2k->cur_tp_num++;
+}
+
+/**
+ * Reads a SOD marker (Start Of Data)
+ *
+ * @param p_header_data the data contained in the SOD box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the SOD marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_sod_v2 (
+ opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager
+ )
+{
+ OPJ_UINT32 l_current_read_size;
+ opj_codestream_index_t * l_cstr_index = 00;
+ OPJ_BYTE ** l_current_data = 00;
+ opj_tcp_v2_t * l_tcp = 00;
+ OPJ_UINT32 * l_tile_len = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
+
+ if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
+ // opj_stream_get_number_byte_left returns OPJ_OFF_T
+ // but we are in the last tile part,
+ // so its result will fit on OPJ_UINT32 unless we find
+ // a file with a single tile part of more than 4 GB...
+ p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(opj_stream_get_number_byte_left(p_stream) - 2);
+ }
+ else
+ p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
+
+ l_current_data = &(l_tcp->m_data);
+ l_tile_len = &l_tcp->m_data_size;
+
+ if (! *l_current_data) {
+ *l_current_data = (OPJ_BYTE*) opj_malloc(p_j2k->m_specific_param.m_decoder.m_sot_length);
+ }
+ else {
+ *l_current_data = (OPJ_BYTE*) opj_realloc(*l_current_data, *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length);
+ }
+
+ if (*l_current_data == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile\n");
+ return OPJ_FALSE;
+ }
+
+
+ /* Index */
+ l_cstr_index = p_j2k->cstr_index;
+ if (l_cstr_index) {
+ OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
+
+ OPJ_UINT32 l_current_tile_part = l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
+ l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header =
+ l_current_pos;
+ l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos =
+ l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
+
+ j2k_add_tlmarker_v2(p_j2k->m_current_tile_number,
+ l_cstr_index,
+ J2K_MS_SOD,
+ l_current_pos,
+ p_j2k->m_specific_param.m_decoder.m_sot_length + 2);
+
+ /*l_cstr_index->packno = 0;*/
+ }
+
+ l_current_read_size = opj_stream_read_data( p_stream,
+ *l_current_data + *l_tile_len,
+ p_j2k->m_specific_param.m_decoder.m_sot_length,
+ p_manager);
+
+ if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+ }
+
+ *l_tile_len += l_current_read_size;
+
+ return OPJ_TRUE;
+}
+
+
+static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = &cp->tcps[tileno];
+ opj_cio_t *cio = j2k->cio;
+ int numcomps = j2k->image->numcomps;
+
+ cio_write(cio, J2K_MS_RGN, 2); /* RGN */
+ cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
+ cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
+ cio_write(cio, 0, 1); /* Srgn */
+ cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
+}
+
+static void j2k_read_rgn(opj_j2k_t *j2k) {
+ int len, compno, roisty;
+
+ opj_cp_t *cp = j2k->cp;
+ opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
+ opj_cio_t *cio = j2k->cio;
+ int numcomps = j2k->image->numcomps;
+
+ len = cio_read(cio, 2); /* Lrgn */
+ compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
+ roisty = cio_read(cio, 1); /* Srgn */
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+ /* totlen is negative or larger than the bytes left!!! */
+ if (compno >= numcomps) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: bad component number in RGN (%d when there are only %d)\n",
+ compno, numcomps);
+ if (!JPWL_ASSUME || JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return;
+ }
+ }
+ };
+#endif /* USE_JPWL */
+
+ tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
+}
+
+static void j2k_write_eoc(opj_j2k_t *j2k) {
+ opj_cio_t *cio = j2k->cio;
+ /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
+ cio_write(cio, J2K_MS_EOC, 2);
+
+/* UniPG>> */
+#ifdef USE_JPWL
+ /* update markers struct */
+ j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
+#endif /* USE_JPWL */
+/* <<UniPG */
+}
+
+/**
+ * Reads a RGN marker (Region Of Interest)
+ *
+ * @param p_header_data the data contained in the POC box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the POC marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_rgn_v2 (
+ opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager
+ )
+{
+ OPJ_UINT32 l_nb_comp;
+ opj_image_t * l_image = 00;
+
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
+
+ // preconditions
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_nb_comp = l_image->numcomps;
+
+ if (l_nb_comp <= 256) {
+ l_comp_room = 1; }
+ else {
+ l_comp_room = 2; }
+
+ if (p_header_size != 2 + l_comp_room) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading RGN marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+
+ opj_read_bytes(p_header_data,&l_comp_no,l_comp_room); /* Crgn */
+ p_header_data+=l_comp_room;
+ opj_read_bytes(p_header_data,&l_roi_sty,1); /* Srgn */
+ ++p_header_data;
+
+#ifdef USE_JPWL
+ if (l_cp->correct) {
+ /* totlen is negative or larger than the bytes left!!! */
+ if (l_comp_room >= l_nb_comp) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "JPWL: bad component number in RGN (%d when there are only %d)\n",
+ l_comp_room, l_nb_comp);
+ if (!JPWL_ASSUME || JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ }
+ };
+#endif /* USE_JPWL */
+
+ opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&(l_tcp->tccps[l_comp_no].roishift)),1); /* SPrgn */
+ ++p_header_data;
+
+ return OPJ_TRUE;
+
+}
+
+static void j2k_read_eoc(opj_j2k_t *j2k) {
+ int i, tileno;
+ opj_bool success;
+
+ /* if packets should be decoded */
+ if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
+ opj_tcd_t *tcd = tcd_create(j2k->cinfo);
+ tcd_malloc_decode(tcd, j2k->image, j2k->cp);
+ for (i = 0; i < j2k->cp->tileno_size; i++) {
+ tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
+ tileno = j2k->cp->tileno[i];
+ success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
+ opj_free(j2k->tile_data[tileno]);
+ j2k->tile_data[tileno] = NULL;
+ tcd_free_decode_tile(tcd, i);
+ if (success == OPJ_FALSE) {
+ j2k->state |= J2K_STATE_ERR;
+ break;
+ }
+ }
+ tcd_free_decode(tcd);
+ tcd_destroy(tcd);
+ }
+ /* if packets should not be decoded */
+ else {
+ for (i = 0; i < j2k->cp->tileno_size; i++) {
+ tileno = j2k->cp->tileno[i];
+ opj_free(j2k->tile_data[tileno]);
+ j2k->tile_data[tileno] = NULL;
+ }
+ }
+ if (j2k->state & J2K_STATE_ERR)
+ j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
+ else
+ j2k->state = J2K_STATE_MT;
+}
+
+/**
+ * Reads a EOC marker (End Of Codestream)
+ *
+ * @param p_header_data the data contained in the SOD box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the SOD marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_eoc_v2 ( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ opj_tcd_v2_t * l_tcd = 00;
+ OPJ_UINT32 l_nb_tiles;
+ opj_tcp_v2_t * l_tcp = 00;
+ opj_bool l_success;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+ l_tcp = p_j2k->m_cp.tcps;
+
+ l_tcd = tcd_create_v2(OPJ_TRUE);
+ if (l_tcd == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
+ return OPJ_FALSE;
+ }
+
+ for (i = 0; i < l_nb_tiles; ++i) {
+ if (l_tcp->m_data) {
+ if (! tcd_init_decode_tile(l_tcd, i)) {
+ tcd_destroy_v2(l_tcd);
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
+ return OPJ_FALSE;
+ }
+
+ l_success = tcd_decode_tile_v2(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i, p_j2k->cstr_index);
+ /* cleanup */
+
+ if (! l_success) {
+ p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
+ break;
+ }
+ }
+
+ j2k_tcp_destroy(l_tcp);
+ ++l_tcp;
+ }
+
+ tcd_destroy_v2(l_tcd);
+ return OPJ_TRUE;
+}
+
+typedef struct opj_dec_mstabent {
+ /** marker value */
+ int id;
+ /** value of the state when the marker can appear */
+ int states;
+ /** action linked to the marker */
+ void (*handler) (opj_j2k_t *j2k);
+} opj_dec_mstabent_t;
+
+opj_dec_mstabent_t j2k_dec_mstab[] = {
+ {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
+ {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
+ {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
+ {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
+ {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
+ {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
+ {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
+ {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
+ {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
+ {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
+ {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
+ {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
+ {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
+ {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
+ {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
+ {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
+ {J2K_MS_SOP, 0, 0},
+ {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
+ {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
+
+#ifdef USE_JPWL
+ {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
+ {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
+ {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
+ {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
+#endif /* USE_JPWL */
+#ifdef USE_JPSEC
+ {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
+ {J2K_MS_INSEC, 0, j2k_read_insec},
+#endif /* USE_JPSEC */
+
+ {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
+};
+
+static void j2k_read_unk(opj_j2k_t *j2k) {
+ opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
+
+#ifdef USE_JPWL
+ if (j2k->cp->correct) {
+ int m = 0, id, i;
+ int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
+ cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
+ id = cio_read(j2k->cio, 2);
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: really don't know this marker %x\n",
+ id);
+ if (!JPWL_ASSUME) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "- possible synch loss due to uncorrectable codestream errors => giving up\n");
+ return;
+ }
+ /* OK, activate this at your own risk!!! */
+ /* we look for the marker at the minimum hamming distance from this */
+ while (j2k_dec_mstab[m].id) {
+
+ /* 1's where they differ */
+ tmp_id = j2k_dec_mstab[m].id ^ id;
+
+ /* compute the hamming distance between our id and the current */
+ cur_dist = 0;
+ for (i = 0; i < 16; i++) {
+ if ((tmp_id >> i) & 0x0001) {
+ cur_dist++;
+ }
+ }
+
+ /* if current distance is smaller, set the minimum */
+ if (cur_dist < min_dist) {
+ min_dist = cur_dist;
+ min_id = j2k_dec_mstab[m].id;
+ }
+
+ /* jump to the next marker */
+ m++;
+ }
+
+ /* do we substitute the marker? */
+ if (min_dist < JPWL_MAXIMUM_HAMMING) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "- marker %x is at distance %d from the read %x\n",
+ min_id, min_dist, id);
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "- trying to substitute in place and crossing fingers!\n");
+ cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
+ cio_write(j2k->cio, min_id, 2);
+
+ /* rewind */
+ cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
+
+ }
+
+ };
+#endif /* USE_JPWL */
+
+}
+
+/**
+ * Reads an unknown marker
+ *
+ * @param p_stream the stream object to read from.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the marker could be deduced.
+*/
+opj_bool j2k_read_unk_v2 ( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ OPJ_UINT32 *output_marker,
+ struct opj_event_mgr * p_manager
+ )
+{
+ OPJ_UINT32 l_unknown_marker;
+ const opj_dec_memory_marker_handler_t * l_marker_handler;
+ OPJ_UINT32 l_size_unk = 2;
+
+ // preconditions
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Unknown marker\n");
+
+ while(1) {
+ // 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ // read 2 bytes as the new marker ID
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_unknown_marker,2);
+
+ if (!(l_unknown_marker < 0xff00)) {
+
+ // Get the marker handler from the marker ID
+ l_marker_handler = j2k_get_marker_handler(l_unknown_marker);
+
+ if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
+ return OPJ_FALSE;
+ }
+ else {
+ if (l_marker_handler->id != J2K_MS_UNK) {
+ /* Add the marker to the codestream index*/
+ if (l_marker_handler->id != J2K_MS_SOT)
+ j2k_add_mhmarker_v2(p_j2k->cstr_index, J2K_MS_UNK,
+ (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
+ l_size_unk);
+ break; /* next marker is known and well located */
+ }
+ else
+ l_size_unk += 2;
+ }
+ }
+ }
+
+ *output_marker = l_marker_handler->id ;
+
+ return OPJ_TRUE;
+}
+
+/**
+Read the lookup table containing all the marker, status and action
+@param id Marker value
+*/
+static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
+ opj_dec_mstabent_t *e;
+ for (e = j2k_dec_mstab; e->id != 0; e++) {
+ if (e->id == id) {
+ break;
+ }
+ }
+ return e;
+}
+
+
+/**
+ * Reads a MCT marker (Multiple Component Transform)
+ *
+ * @param p_header_data the data contained in the MCT box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the MCT marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_mct ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ opj_tcp_v2_t *l_tcp = 00;
+ OPJ_UINT32 l_tmp;
+ OPJ_UINT32 l_indix;
+ opj_mct_data_t * l_mct_data;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+
+ l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
+ &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+
+ if (p_header_size < 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCT marker\n");
+ return OPJ_FALSE;
+ }
+
+ /* first marker */
+ opj_read_bytes(p_header_data,&l_tmp,2); /* Zmct */
+ p_header_data += 2;
+ if (l_tmp != 0) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge mct data within multiple MCT records\n");
+ return OPJ_TRUE;
+ }
+
+ if(p_header_size <= 6) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCT marker\n");
+ return OPJ_FALSE;
+ }
+
+ /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
+ opj_read_bytes(p_header_data,&l_tmp,2); /* Imct */
+ p_header_data += 2;
+
+ l_indix = l_tmp & 0xff;
+ l_mct_data = l_tcp->m_mct_records;
+
+ for (i=0;i<l_tcp->m_nb_mct_records;++i) {
+ if (l_mct_data->m_index == l_indix) {
+ break;
+ }
+ ++l_mct_data;
+ }
+
+ /* NOT FOUND */
+ if (i == l_tcp->m_nb_mct_records) {
+ if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
+ l_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
+
+ l_tcp->m_mct_records = (opj_mct_data_t*)opj_realloc(l_tcp->m_mct_records,l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
+ if(! l_tcp->m_mct_records) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCT marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
+ memset(l_mct_data ,0,(l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
+ }
+
+ l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
+ }
+
+ if (l_mct_data->m_data) {
+ opj_free(l_mct_data->m_data);
+ l_mct_data->m_data = 00;
+ }
+
+ l_mct_data->m_index = l_indix;
+ l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
+ l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
+
+ opj_read_bytes(p_header_data,&l_tmp,2); /* Ymct */
+ p_header_data+=2;
+ if (l_tmp != 0) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge multiple MCT markers\n");
+ return OPJ_TRUE;
+ }
+
+ p_header_size -= 6;
+
+ l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
+ if (! l_mct_data->m_data) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCT marker\n");
+ return OPJ_FALSE;
+ }
+ memcpy(l_mct_data->m_data,p_header_data,p_header_size);
+
+ l_mct_data->m_data_size = p_header_size;
+ ++l_tcp->m_nb_mct_records;
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Reads a MCC marker (Multiple Component Collection)
+ *
+ * @param p_header_data the data contained in the MCC box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the MCC marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_mcc ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i,j;
+ OPJ_UINT32 l_tmp;
+ OPJ_UINT32 l_indix;
+ opj_tcp_v2_t * l_tcp;
+ opj_simple_mcc_decorrelation_data_t * l_mcc_record;
+ opj_mct_data_t * l_mct_data;
+ OPJ_UINT32 l_nb_collections;
+ OPJ_UINT32 l_nb_comps;
+ OPJ_UINT32 l_nb_bytes_by_comp;
+
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
+ &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+
+ if (p_header_size < 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ /* first marker */
+ opj_read_bytes(p_header_data,&l_tmp,2); /* Zmcc */
+ p_header_data += 2;
+ if (l_tmp != 0) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n");
+ return OPJ_TRUE;
+ }
+
+ if (p_header_size < 7) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_indix,1); /* Imcc -> no need for other values, take the first */
+ ++p_header_data;
+
+ l_mcc_record = l_tcp->m_mcc_records;
+
+ for(i=0;i<l_tcp->m_nb_mcc_records;++i) {
+ if (l_mcc_record->m_index == l_indix) {
+ break;
+ }
+ ++l_mcc_record;
+ }
+
+ /** NOT FOUND */
+ if (i == l_tcp->m_nb_mcc_records) {
+ if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
+ l_tcp->m_nb_max_mcc_records += J2K_MCC_DEFAULT_NB_RECORDS;
+
+ l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*)
+ opj_realloc(l_tcp->m_mcc_records,l_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t));
+ if (! l_tcp->m_mcc_records) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+ l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
+ memset(l_mcc_record,0,(l_tcp->m_nb_max_mcc_records-l_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t));
+ }
+ l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
+ }
+ l_mcc_record->m_index = l_indix;
+
+ /* only one marker atm */
+ opj_read_bytes(p_header_data,&l_tmp,2); /* Ymcc */
+ p_header_data+=2;
+ if (l_tmp != 0) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n");
+ return OPJ_TRUE;
+ }
+
+ opj_read_bytes(p_header_data,&l_nb_collections,2); /* Qmcc -> number of collections -> 1 */
+ p_header_data+=2;
+
+ if (l_nb_collections > 1) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge multiple collections\n");
+ return OPJ_TRUE;
+ }
+
+ p_header_size -= 7;
+
+ for (i=0;i<l_nb_collections;++i) {
+ if (p_header_size < 3) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_tmp,1); /* Xmcci type of component transformation -> array based decorrelation */
+ ++p_header_data;
+
+ if (l_tmp != 1) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge collections other than array decorrelation\n");
+ return OPJ_TRUE;
+ }
+
+ opj_read_bytes(p_header_data,&l_nb_comps,2);
+
+ p_header_data+=2;
+ p_header_size-=3;
+
+ l_nb_bytes_by_comp = 1 + (l_nb_comps>>15);
+ l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
+
+ if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
+
+ for (j=0;j<l_mcc_record->m_nb_comps;++j) {
+ opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Cmccij Component offset*/
+ p_header_data+=l_nb_bytes_by_comp;
+
+ if (l_tmp != j) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n");
+ return OPJ_TRUE;
+ }
+ }
+
+ opj_read_bytes(p_header_data,&l_nb_comps,2);
+ p_header_data+=2;
+
+ l_nb_bytes_by_comp = 1 + (l_nb_comps>>15);
+ l_nb_comps &= 0x7fff;
+
+ if (l_nb_comps != l_mcc_record->m_nb_comps) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge collections without same number of indixes\n");
+ return OPJ_TRUE;
+ }
+
+ if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
+
+ for (j=0;j<l_mcc_record->m_nb_comps;++j) {
+ opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Wmccij Component offset*/
+ p_header_data+=l_nb_bytes_by_comp;
+
+ if (l_tmp != j) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n");
+ return OPJ_TRUE;
+ }
+ }
+
+ opj_read_bytes(p_header_data,&l_tmp,3); /* Wmccij Component offset*/
+ p_header_data += 3;
+
+ l_mcc_record->m_is_irreversible = ! ((l_tmp>>16) & 1);
+ l_mcc_record->m_decorrelation_array = 00;
+ l_mcc_record->m_offset_array = 00;
+
+ l_indix = l_tmp & 0xff;
+ if (l_indix != 0) {
+ l_mct_data = l_tcp->m_mct_records;
+ for (j=0;j<l_tcp->m_nb_mct_records;++j) {
+ if (l_mct_data->m_index == l_indix) {
+ l_mcc_record->m_decorrelation_array = l_mct_data;
+ break;
+ }
+ ++l_mct_data;
+ }
+
+ if (l_mcc_record->m_decorrelation_array == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+ }
+
+ l_indix = (l_tmp >> 8) & 0xff;
+ if (l_indix != 0) {
+ l_mct_data = l_tcp->m_mct_records;
+ for (j=0;j<l_tcp->m_nb_mct_records;++j) {
+ if (l_mct_data->m_index == l_indix) {
+ l_mcc_record->m_offset_array = l_mct_data;
+ break;
+ }
+ ++l_mct_data;
+ }
+
+ if (l_mcc_record->m_offset_array == 00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+ }
+ }
+
+ if (p_header_size != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
+ return OPJ_FALSE;
+ }
+
+ ++l_tcp->m_nb_mcc_records;
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Reads a MCO marker (Multiple Component Transform Ordering)
+ *
+ * @param p_header_data the data contained in the MCO box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the MCO marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_mco ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_tmp, i;
+ OPJ_UINT32 l_nb_stages;
+ opj_tcp_v2_t * l_tcp;
+ opj_tccp_t * l_tccp;
+ opj_image_t * l_image;
+ opj_image_comp_t * l_img_comp;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
+ &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+
+ if (p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCO marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_nb_stages,1); /* Nmco : only one tranform stage*/
+ ++p_header_data;
+
+ if (l_nb_stages > 1) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Cannot take in charge multiple transformation stages.\n");
+ return OPJ_TRUE;
+ }
+
+ if (p_header_size != l_nb_stages + 1) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Error reading MCO marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_tccp = l_tcp->tccps;
+ l_img_comp = l_image->comps;
+
+ for (i=0;i<l_image->numcomps;++i) {
+ l_tccp->m_dc_level_shift = 0;
+ ++l_tccp;
+ }
+
+ if (l_tcp->m_mct_decoding_matrix) {
+ opj_free(l_tcp->m_mct_decoding_matrix);
+ l_tcp->m_mct_decoding_matrix = 00;
+ }
+
+ for (i=0;i<l_nb_stages;++i) {
+ opj_read_bytes(p_header_data,&l_tmp,1);
+ ++p_header_data;
+
+ if (! j2k_add_mct(l_tcp,p_j2k->m_private_image,l_tmp)) {
+ return OPJ_FALSE;
+ }
+ }
+
+ return OPJ_TRUE;
+}
+
+opj_bool j2k_add_mct(opj_tcp_v2_t * p_tcp, opj_image_t * p_image, OPJ_UINT32 p_index)
+{
+ OPJ_UINT32 i;
+ opj_simple_mcc_decorrelation_data_t * l_mcc_record;
+ opj_mct_data_t * l_deco_array, * l_offset_array;
+ OPJ_UINT32 l_data_size,l_mct_size, l_offset_size;
+ OPJ_UINT32 l_nb_elem;
+ OPJ_UINT32 * l_offset_data, * l_current_offset_data;
+ opj_tccp_t * l_tccp;
+
+ /* preconditions */
+ assert(p_tcp != 00);
+
+ l_mcc_record = p_tcp->m_mcc_records;
+
+ for (i=0;i<p_tcp->m_nb_mcc_records;++i) {
+ if (l_mcc_record->m_index == p_index) {
+ break;
+ }
+ }
+
+ if (i==p_tcp->m_nb_mcc_records) {
+ /** element discarded **/
+ return OPJ_TRUE;
+ }
+
+ if (l_mcc_record->m_nb_comps != p_image->numcomps) {
+ /** do not support number of comps != image */
+ return OPJ_TRUE;
+ }
+
+ l_deco_array = l_mcc_record->m_decorrelation_array;
+
+ if (l_deco_array) {
+ l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps * p_image->numcomps;
+ if (l_deco_array->m_data_size != l_data_size) {
+ return OPJ_FALSE;
+ }
+
+ l_nb_elem = p_image->numcomps * p_image->numcomps;
+ l_mct_size = l_nb_elem * sizeof(OPJ_FLOAT32);
+ p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
+
+ if (! p_tcp->m_mct_decoding_matrix ) {
+ return OPJ_FALSE;
+ }
+
+ j2k_mct_read_functions_to_float[l_deco_array->m_element_type](l_deco_array->m_data,p_tcp->m_mct_decoding_matrix,l_nb_elem);
+ }
+
+ l_offset_array = l_mcc_record->m_offset_array;
+
+ if (l_offset_array) {
+ l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] * p_image->numcomps;
+ if (l_offset_array->m_data_size != l_data_size) {
+ return OPJ_FALSE;
+ }
+
+ l_nb_elem = p_image->numcomps;
+ l_offset_size = l_nb_elem * sizeof(OPJ_UINT32);
+ l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
+
+ if (! l_offset_data ) {
+ return OPJ_FALSE;
+ }
+
+ j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](l_offset_array->m_data,l_offset_data,l_nb_elem);
+
+ l_tccp = p_tcp->tccps;
+ l_current_offset_data = l_offset_data;
+
+ for (i=0;i<p_image->numcomps;++i) {
+ l_tccp->m_dc_level_shift = *(l_current_offset_data++);
+ ++l_tccp;
+ }
+
+ opj_free(l_offset_data);
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Reads a CBD marker (Component bit depth definition)
+ * @param p_header_data the data contained in the CBD box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the CBD marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_cbd ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager)
+{
+ OPJ_UINT32 l_nb_comp,l_num_comp;
+ OPJ_UINT32 l_comp_def;
+ OPJ_UINT32 i;
+ opj_image_comp_t * l_comp = 00;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_num_comp = p_j2k->m_private_image->numcomps;
+
+ if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_nb_comp,2); /* Ncbd */
+ p_header_data+=2;
+
+ if (l_nb_comp != l_num_comp) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_comp = p_j2k->m_private_image->comps;
+ for (i=0;i<l_num_comp;++i) {
+ opj_read_bytes(p_header_data,&l_comp_def,1); /* Component bit depth */
+ ++p_header_data;
+ l_comp->sgnd = (l_comp_def>>7) & 1;
+ l_comp->prec = (l_comp_def&0x7f) + 1;
+ ++l_comp;
+ }
+
+ return OPJ_TRUE;
+}
+
+
+/* ----------------------------------------------------------------------- */
+/* J2K / JPT decoder interface */
+/* ----------------------------------------------------------------------- */
+
+opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
+ opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
+ if(!j2k)
+ return NULL;
+
+ j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
+ if(!j2k->default_tcp) {
+ opj_free(j2k);
+ return NULL;
+ }
+
+ j2k->cinfo = cinfo;
+ j2k->tile_data = NULL;
+
+ return j2k;
+}
+
+void j2k_destroy_decompress(opj_j2k_t *j2k) {
+ int i = 0;
+
+ if(j2k->tile_len != NULL) {
+ opj_free(j2k->tile_len);
+ }
+ if(j2k->tile_data != NULL) {
+ opj_free(j2k->tile_data);
+ }
+ if(j2k->default_tcp != NULL) {
+ opj_tcp_t *default_tcp = j2k->default_tcp;
+ if(default_tcp->ppt_data_first != NULL) {
+ opj_free(default_tcp->ppt_data_first);
+ }
+ if(j2k->default_tcp->tccps != NULL) {
+ opj_free(j2k->default_tcp->tccps);
+ }
+ opj_free(j2k->default_tcp);
+ }
+ if(j2k->cp != NULL) {
+ opj_cp_t *cp = j2k->cp;
+ if(cp->tcps != NULL) {
+ for(i = 0; i < cp->tw * cp->th; i++) {
+ if(cp->tcps[i].ppt_data_first != NULL) {
+ opj_free(cp->tcps[i].ppt_data_first);
+ }
+ if(cp->tcps[i].tccps != NULL) {
+ opj_free(cp->tcps[i].tccps);
+ }
+ }
+ opj_free(cp->tcps);
+ }
+ if(cp->ppm_data_first != NULL) {
+ opj_free(cp->ppm_data_first);
+ }
+ if(cp->tileno != NULL) {
+ opj_free(cp->tileno);
+ }
+ if(cp->comment != NULL) {
+ opj_free(cp->comment);
+ }
+
+ opj_free(cp);
+ }
+ opj_free(j2k);
+}
+
+void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
+ if(j2k && parameters) {
+ /* create and initialize the coding parameters structure */
+ opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
+ cp->reduce = parameters->cp_reduce;
+ cp->layer = parameters->cp_layer;
+ cp->limit_decoding = parameters->cp_limit_decoding;
+
+#ifdef USE_JPWL
+ cp->correct = parameters->jpwl_correct;
+ cp->exp_comps = parameters->jpwl_exp_comps;
+ cp->max_tiles = parameters->jpwl_max_tiles;
+#endif /* USE_JPWL */
+
+
+ /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
+ j2k->cp = cp;
+ }
+}
+
+void j2k_setup_decoder_v2(opj_j2k_v2_t *j2k, opj_dparameters_t *parameters)
+{
+ if(j2k && parameters) {
+ j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
+ j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
+
+#ifdef USE_JPWL
+ j2k->m_cp.correct = parameters->jpwl_correct;
+ j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
+ j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
+#endif /* USE_JPWL */
+ }
+}
+
+opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
+ opj_image_t *image = NULL;
+
+ opj_common_ptr cinfo = j2k->cinfo;
+
+ j2k->cio = cio;
+ j2k->cstr_info = cstr_info;
+ if (cstr_info)
+ memset(cstr_info, 0, sizeof(opj_codestream_info_t));
+
+ /* create an empty image */
+ image = opj_image_create0();
+ j2k->image = image;
+
+ j2k->state = J2K_STATE_MHSOC;
+
+ for (;;) {
+ opj_dec_mstabent_t *e;
+ int id = cio_read(cio, 2);
+
+#ifdef USE_JPWL
+ /* we try to honor JPWL correction power */
+ if (j2k->cp->correct) {
+
+ int orig_pos = cio_tell(cio);
+ opj_bool status;
+
+ /* call the corrector */
+ status = jpwl_correct(j2k);
+
+ /* go back to where you were */
+ cio_seek(cio, orig_pos - 2);
+
+ /* re-read the marker */
+ id = cio_read(cio, 2);
+
+ /* check whether it begins with ff */
+ if (id >> 8 != 0xff) {
+ opj_event_msg(cinfo, EVT_ERROR,
+ "JPWL: possible bad marker %x at %d\n",
+ id, cio_tell(cio) - 2);
+ if (!JPWL_ASSUME) {
+ opj_image_destroy(image);
+ opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
+ return 0;
+ }
+ /* we try to correct */
+ id = id | 0xff00;
+ cio_seek(cio, cio_tell(cio) - 2);
+ cio_write(cio, id, 2);
+ opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
+ "- setting marker to %x\n",
+ id);
+ }
+
+ }
+#endif /* USE_JPWL */
+
+ if (id >> 8 != 0xff) {
+ opj_image_destroy(image);
+ opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
+ return 0;
+ }
+ e = j2k_dec_mstab_lookup(id);
+ // Check if the marker is known
+ if (!(j2k->state & e->states)) {
+ opj_image_destroy(image);
+ opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
+ return 0;
+ }
+ // Check if the decoding is limited to the main header
+ if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
+ opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
+ return image;
+ }
+
+ if (e->handler) {
+ (*e->handler)(j2k);
+ }
+ if (j2k->state & J2K_STATE_ERR)
+ return NULL;
+
+ if (j2k->state == J2K_STATE_MT) {
+ break;
+ }
+ if (j2k->state == J2K_STATE_NEOC) {
+ break;
+ }
+ }
+ if (j2k->state == J2K_STATE_NEOC) {
+ j2k_read_eoc(j2k);
+ }
+
+ if (j2k->state != J2K_STATE_MT) {
+ opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
+ }
+ return image;
+}
+
+/*
+* Read a JPT-stream and decode file
+*
+*/
+opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
+ opj_image_t *image = NULL;
+ opj_jpt_msg_header_t header;
+ int position;
+ opj_common_ptr cinfo = j2k->cinfo;
+
+ OPJ_ARG_NOT_USED(cstr_info);
+
+ j2k->cio = cio;
+
+ /* create an empty image */
+ image = opj_image_create0();
+ j2k->image = image;
+
+ j2k->state = J2K_STATE_MHSOC;
+
+ /* Initialize the header */
+ jpt_init_msg_header(&header);
+ /* Read the first header of the message */
+ jpt_read_msg_header(cinfo, cio, &header);
+
+ position = cio_tell(cio);
+ if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
+ opj_image_destroy(image);
+ opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
+ return 0;
+ }
+
+ for (;;) {
+ opj_dec_mstabent_t *e = NULL;
+ int id;
+
+ if (!cio_numbytesleft(cio)) {
+ j2k_read_eoc(j2k);
+ return image;
+ }
+ /* data-bin read -> need to read a new header */
+ if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
+ jpt_read_msg_header(cinfo, cio, &header);
+ position = cio_tell(cio);
+ if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
+ opj_image_destroy(image);
+ opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
+ return 0;
+ }
+ }
+
+ id = cio_read(cio, 2);
+ if (id >> 8 != 0xff) {
+ opj_image_destroy(image);
+ opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
+ return 0;
+ }
+ e = j2k_dec_mstab_lookup(id);
+ if (!(j2k->state & e->states)) {
+ opj_image_destroy(image);
+ opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
+ return 0;
+ }
+ if (e->handler) {
+ (*e->handler)(j2k);
+ }
+ if (j2k->state == J2K_STATE_MT) {
+ break;
+ }
+ if (j2k->state == J2K_STATE_NEOC) {
+ break;
+ }
+ }
+ if (j2k->state == J2K_STATE_NEOC) {
+ j2k_read_eoc(j2k);
+ }
+
+ if (j2k->state != J2K_STATE_MT) {
+ opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
+ }
+
+ return image;
+}
+
+/* ----------------------------------------------------------------------- */
+/* J2K encoder interface */
+/* ----------------------------------------------------------------------- */
+
+opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
+ opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
+ if(j2k) {
+ j2k->cinfo = cinfo;
+ }
+ return j2k;
+}
+
+opj_j2k_v2_t* j2k_create_compress_v2()
+{
+ opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t));
+ if (!l_j2k) {
+ return NULL;
+ }
+
+ memset(l_j2k,0,sizeof(opj_j2k_v2_t));
+
+ l_j2k->m_is_decoder = 0;
+ l_j2k->m_cp.m_is_decoder = 0;
+
+ l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(J2K_DEFAULT_HEADER_SIZE);
+ if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ j2k_destroy(l_j2k);
+ return NULL;
+ }
+
+ l_j2k->m_specific_param.m_encoder.m_header_tile_data_size = J2K_DEFAULT_HEADER_SIZE;
+
+ // validation list creation
+ l_j2k->m_validation_list = opj_procedure_list_create();
+ if (! l_j2k->m_validation_list) {
+ j2k_destroy(l_j2k);
+ return NULL;
+ }
+
+ // execution list creation
+ l_j2k->m_procedure_list = opj_procedure_list_create();
+ if (! l_j2k->m_procedure_list) {
+ j2k_destroy(l_j2k);
+ return NULL;
+ }
+
+ return l_j2k;
+}
+
+void j2k_destroy_compress(opj_j2k_t *j2k) {
+ int tileno;
+
+ if(!j2k) return;
+ if(j2k->cp != NULL) {
+ opj_cp_t *cp = j2k->cp;
+
+ if(cp->comment) {
+ opj_free(cp->comment);
+ }
+ if(cp->matrice) {
+ opj_free(cp->matrice);
+ }
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ opj_free(cp->tcps[tileno].tccps);
+ }
+ opj_free(cp->tcps);
+ opj_free(cp);
+ }
+
+ opj_free(j2k);
+}
+
+void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
+ int i, j, tileno, numpocs_tile;
+ opj_cp_t *cp = NULL;
+
+ if(!j2k || !parameters || ! image) {
+ return;
+ }
+
+ /* create and initialize the coding parameters structure */
+ cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
+
+ /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
+ j2k->cp = cp;
+
+ /* set default values for cp */
+ cp->tw = 1;
+ cp->th = 1;
+
+ /*
+ copy user encoding parameters
+ */
+ cp->cinema = parameters->cp_cinema;
+ cp->max_comp_size = parameters->max_comp_size;
+ cp->rsiz = parameters->cp_rsiz;
+ cp->disto_alloc = parameters->cp_disto_alloc;
+ cp->fixed_alloc = parameters->cp_fixed_alloc;
+ cp->fixed_quality = parameters->cp_fixed_quality;
+
+ /* mod fixed_quality */
+ if(parameters->cp_matrice) {
+ size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
+ cp->matrice = (int *) opj_malloc(array_size);
+ memcpy(cp->matrice, parameters->cp_matrice, array_size);
+ }
+
+ /* tiles */
+ cp->tdx = parameters->cp_tdx;
+ cp->tdy = parameters->cp_tdy;
+
+ /* tile offset */
+ cp->tx0 = parameters->cp_tx0;
+ cp->ty0 = parameters->cp_ty0;
+
+ /* comment string */
+ if(parameters->cp_comment) {
+ cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
+ if(cp->comment) {
+ strcpy(cp->comment, parameters->cp_comment);
+ }
+ }
+
+ /*
+ calculate other encoding parameters
+ */
+
+ if (parameters->tile_size_on) {
+ cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
+ cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
+ } else {
+ cp->tdx = image->x1 - cp->tx0;
+ cp->tdy = image->y1 - cp->ty0;
+ }
+
+ if(parameters->tp_on){
+ cp->tp_flag = parameters->tp_flag;
+ cp->tp_on = 1;
+ }
+
+ cp->img_size = 0;
+ for(i=0;i<image->numcomps ;i++){
+ cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
+ }
+
+
+#ifdef USE_JPWL
+ /*
+ calculate JPWL encoding parameters
+ */
+
+ if (parameters->jpwl_epc_on) {
+ int i;
+
+ /* set JPWL on */
+ cp->epc_on = OPJ_TRUE;
+ cp->info_on = OPJ_FALSE; /* no informative technique */
+
+ /* set EPB on */
+ if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
+ cp->epb_on = OPJ_TRUE;
+
+ cp->hprot_MH = parameters->jpwl_hprot_MH;
+ for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
+ cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
+ cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
+ }
+ /* if tile specs are not specified, copy MH specs */
+ if (cp->hprot_TPH[0] == -1) {
+ cp->hprot_TPH_tileno[0] = 0;
+ cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
+ }
+ for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
+ cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
+ cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
+ cp->pprot[i] = parameters->jpwl_pprot[i];
+ }
+ }
+
+ /* set ESD writing */
+ if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
+ cp->esd_on = OPJ_TRUE;
+
+ cp->sens_size = parameters->jpwl_sens_size;
+ cp->sens_addr = parameters->jpwl_sens_addr;
+ cp->sens_range = parameters->jpwl_sens_range;
+
+ cp->sens_MH = parameters->jpwl_sens_MH;
+ for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
+ cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
+ cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
+ }
+ }
+
+ /* always set RED writing to false: we are at the encoder */
+ cp->red_on = OPJ_FALSE;
+
+ } else {
+ cp->epc_on = OPJ_FALSE;
+ }
+#endif /* USE_JPWL */
+
+
+ /* initialize the mutiple tiles */
+ /* ---------------------------- */
+ cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
+
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ opj_tcp_t *tcp = &cp->tcps[tileno];
+ tcp->numlayers = parameters->tcp_numlayers;
+ for (j = 0; j < tcp->numlayers; j++) {
+ if(cp->cinema){
+ if (cp->fixed_quality) {
+ tcp->distoratio[j] = parameters->tcp_distoratio[j];
+ }
+ tcp->rates[j] = parameters->tcp_rates[j];
+ }else{
+ if (cp->fixed_quality) { /* add fixed_quality */
+ tcp->distoratio[j] = parameters->tcp_distoratio[j];
+ } else {
+ tcp->rates[j] = parameters->tcp_rates[j];
+ }
+ }
+ }
+ tcp->csty = parameters->csty;
+ tcp->prg = parameters->prog_order;
+ tcp->mct = parameters->tcp_mct;
+
+ numpocs_tile = 0;
+ tcp->POC = 0;
+ if (parameters->numpocs) {
+ /* initialisation of POC */
+ tcp->POC = 1;
+ for (i = 0; i < parameters->numpocs; i++) {
+ if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
+ opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
+ tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
+ tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
+ tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
+ tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
+ tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
+ tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
+ tcp_poc->tile = parameters->POC[numpocs_tile].tile;
+ numpocs_tile++;
+ }
+ }
+ tcp->numpocs = numpocs_tile -1 ;
+ }else{
+ tcp->numpocs = 0;
+ }
+
+ tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
+
+ for (i = 0; i < image->numcomps; i++) {
+ opj_tccp_t *tccp = &tcp->tccps[i];
+ tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
+ tccp->numresolutions = parameters->numresolution;
+ tccp->cblkw = int_floorlog2(parameters->cblockw_init);
+ tccp->cblkh = int_floorlog2(parameters->cblockh_init);
+ tccp->cblksty = parameters->mode;
+ tccp->qmfbid = parameters->irreversible ? 0 : 1;
+ tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
+ tccp->numgbits = 2;
+ if (i == parameters->roi_compno) {
+ tccp->roishift = parameters->roi_shift;
+ } else {
+ tccp->roishift = 0;
+ }
+
+ if(parameters->cp_cinema)
+ {
+ //Precinct size for lowest frequency subband=128
+ tccp->prcw[0] = 7;
+ tccp->prch[0] = 7;
+ //Precinct size at all other resolutions = 256
+ for (j = 1; j < tccp->numresolutions; j++) {
+ tccp->prcw[j] = 8;
+ tccp->prch[j] = 8;
+ }
+ }else{
+ if (parameters->csty & J2K_CCP_CSTY_PRT) {
+ int p = 0;
+ for (j = tccp->numresolutions - 1; j >= 0; j--) {
+ if (p < parameters->res_spec) {
+
+ if (parameters->prcw_init[p] < 1) {
+ tccp->prcw[j] = 1;
+ } else {
+ tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
+ }
+
+ if (parameters->prch_init[p] < 1) {
+ tccp->prch[j] = 1;
+ }else {
+ tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
+ }
+
+ } else {
+ int res_spec = parameters->res_spec;
+ int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
+ int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
+
+ if (size_prcw < 1) {
+ tccp->prcw[j] = 1;
+ } else {
+ tccp->prcw[j] = int_floorlog2(size_prcw);
+ }
+
+ if (size_prch < 1) {
+ tccp->prch[j] = 1;
+ } else {
+ tccp->prch[j] = int_floorlog2(size_prch);
+ }
+ }
+ p++;
+ /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
+ } //end for
+ } else {
+ for (j = 0; j < tccp->numresolutions; j++) {
+ tccp->prcw[j] = 15;
+ tccp->prch[j] = 15;
+ }
+ }
+ }
+
+ dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
+ }
+ }
+}
+
+opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
+ int tileno, compno;
+ opj_cp_t *cp = NULL;
+
+ opj_tcd_t *tcd = NULL; /* TCD component */
+
+ j2k->cio = cio;
+ j2k->image = image;
+
+ cp = j2k->cp;
+
+ /* INDEX >> */
+ j2k->cstr_info = cstr_info;
+ if (cstr_info) {
+ int compno;
+ cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
+ cstr_info->image_w = image->x1 - image->x0;
+ cstr_info->image_h = image->y1 - image->y0;
+ cstr_info->prog = (&cp->tcps[0])->prg;
+ cstr_info->tw = cp->tw;
+ cstr_info->th = cp->th;
+ cstr_info->tile_x = cp->tdx; /* new version parser */
+ cstr_info->tile_y = cp->tdy; /* new version parser */
+ cstr_info->tile_Ox = cp->tx0; /* new version parser */
+ cstr_info->tile_Oy = cp->ty0; /* new version parser */
+ cstr_info->numcomps = image->numcomps;
+ cstr_info->numlayers = (&cp->tcps[0])->numlayers;
+ cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
+ for (compno=0; compno < image->numcomps; compno++) {
+ cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
+ }
+ cstr_info->D_max = 0.0; /* ADD Marcela */
+ cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
+ cstr_info->maxmarknum = 100;
+ cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
+ cstr_info->marknum = 0;
+ }
+ /* << INDEX */
+
+ j2k_write_soc(j2k);
+ j2k_write_siz(j2k);
+ j2k_write_cod(j2k);
+ j2k_write_qcd(j2k);
+
+ if(cp->cinema){
+ for (compno = 1; compno < image->numcomps; compno++) {
+ j2k_write_coc(j2k, compno);
+ j2k_write_qcc(j2k, compno);
+ }
+ }
+
+ for (compno = 0; compno < image->numcomps; compno++) {
+ opj_tcp_t *tcp = &cp->tcps[0];
+ if (tcp->tccps[compno].roishift)
+ j2k_write_rgn(j2k, compno, 0);
+ }
+ if (cp->comment != NULL) {
+ j2k_write_com(j2k);
+ }
+
+ j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
+ /* TLM Marker*/
+ if(cp->cinema){
+ j2k_write_tlm(j2k);
+ if (cp->cinema == CINEMA4K_24) {
+ j2k_write_poc(j2k);
+ }
+ }
+
+ /* uncomment only for testing JPSEC marker writing */
+ /* j2k_write_sec(j2k); */
+
+ /* INDEX >> */
+ if(cstr_info) {
+ cstr_info->main_head_end = cio_tell(cio) - 1;
+ }
+ /* << INDEX */
+ /**** Main Header ENDS here ***/
+
+ /* create the tile encoder */
+ tcd = tcd_create(j2k->cinfo);
+
+ /* encode each tile */
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ int pino;
+ int tilepartno=0;
+ /* UniPG>> */
+ int acc_pack_num = 0;
+ /* <<UniPG */
+
+
+ opj_tcp_t *tcp = &cp->tcps[tileno];
+ opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
+
+ j2k->curtileno = tileno;
+ j2k->cur_tp_num = 0;
+ tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
+ /* initialisation before tile encoding */
+ if (tileno == 0) {
+ tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
+ } else {
+ tcd_init_encode(tcd, image, cp, j2k->curtileno);
+ }
+
+ /* INDEX >> */
+ if(cstr_info) {
+ cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
+ cstr_info->tile[j2k->curtileno].maxmarknum = 10;
+ cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
+ cstr_info->tile[j2k->curtileno].marknum = 0;
+ }
+ /* << INDEX */
+
+ for(pino = 0; pino <= tcp->numpocs; pino++) {
+ int tot_num_tp;
+ tcd->cur_pino=pino;
+
+ /*Get number of tile parts*/
+ tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
+ tcd->tp_pos = cp->tp_pos;
+
+ for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
+ j2k->tp_num = tilepartno;
+ /* INDEX >> */
+ if(cstr_info)
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
+ cio_tell(cio) + j2k->pos_correction;
+ /* << INDEX */
+ j2k_write_sot(j2k);
+
+ if(j2k->cur_tp_num == 0 && cp->cinema == 0){
+ for (compno = 1; compno < image->numcomps; compno++) {
+ j2k_write_coc(j2k, compno);
+ j2k_write_qcc(j2k, compno);
+ }
+ if (cp->tcps[tileno].numpocs) {
+ j2k_write_poc(j2k);
+ }
+ }
+
+ /* INDEX >> */
+ if(cstr_info)
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
+ cio_tell(cio) + j2k->pos_correction + 1;
+ /* << INDEX */
+
+ j2k_write_sod(j2k, tcd);
+
+ /* INDEX >> */
+ if(cstr_info) {
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
+ cio_tell(cio) + j2k->pos_correction - 1;
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
+ acc_pack_num;
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
+ cstr_info->packno - acc_pack_num;
+ acc_pack_num = cstr_info->packno;
+ }
+ /* << INDEX */
+
+ j2k->cur_tp_num++;
+ }
+ }
+ if(cstr_info) {
+ cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
+ }
+
+
+ /*
+ if (tile->PPT) { // BAD PPT !!!
+ FILE *PPT_file;
+ int i;
+ PPT_file=fopen("PPT","rb");
+ fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
+ for (i=0;i<tile->len_ppt;i++) {
+ unsigned char elmt;
+ fread(&elmt, 1, 1, PPT_file);
+ fwrite(&elmt,1,1,f);
+ }
+ fclose(PPT_file);
+ unlink("PPT");
+ }
+ */
+
+ }
+
+ /* destroy the tile encoder */
+ tcd_free_encode(tcd);
+ tcd_destroy(tcd);
+
+ opj_free(j2k->cur_totnum_tp);
+
+ j2k_write_eoc(j2k);
+
+ if(cstr_info) {
+ cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
+ /* UniPG>> */
+ /* The following adjustment is done to adjust the codestream size */
+ /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
+ /* the first bunch of bytes is not in the codestream */
+ cstr_info->codestream_size -= cstr_info->main_head_start;
+ /* <<UniPG */
+ }
+
+#ifdef USE_JPWL
+ /*
+ preparation of JPWL marker segments
+ */
+ if(cp->epc_on) {
+
+ /* encode according to JPWL */
+ jpwl_encode(j2k, cio, image);
+
+ }
+#endif /* USE_JPWL */
+
+ return OPJ_TRUE;
+}
+
+static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
+
+ if (!cstr_info)
+ return;
+
+ /* expand the list? */
+ if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
+ cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
+ cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
+ }
+
+ /* add the marker */
+ cstr_info->marker[cstr_info->marknum].type = type;
+ cstr_info->marker[cstr_info->marknum].pos = pos;
+ cstr_info->marker[cstr_info->marknum].len = len;
+ cstr_info->marknum++;
+
+}
+
+static void j2k_add_mhmarker_v2(opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) {
+
+ if (!cstr_index)
+ return;
+
+ /* expand the list? */
+ if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
+ cstr_index->maxmarknum = 100 + (int) ((float) cstr_index->maxmarknum * 1.0F);
+ cstr_index->marker = (opj_marker_info_t*)opj_realloc(cstr_index->marker, cstr_index->maxmarknum *sizeof(opj_marker_info_t));
+ }
+
+ /* add the marker */
+ cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
+ cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
+ cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
+ cstr_index->marknum++;
+
+}
+
+static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
+
+
+ opj_marker_info_t *marker;
+
+ if (!cstr_info)
+ return;
+
+ /* expand the list? */
+ if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
+ cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
+ cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
+ }
+
+ marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
+
+ /* add the marker */
+ marker->type = type;
+ marker->pos = pos;
+ marker->len = len;
+ cstr_info->tile[tileno].marknum++;
+}
+
+static void j2k_add_tlmarker_v2(OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
+{
+
+ if (!cstr_index)
+ return;
+
+ if (!cstr_index->tile_index)
+
+ /* expand the list? */
+ if ((cstr_index->tile_index[tileno].marknum + 1) > cstr_index->tile_index[tileno].maxmarknum) {
+ cstr_index->tile_index[tileno].maxmarknum = 100 + (int) ((float) cstr_index->tile_index[tileno].maxmarknum * 1.0F);
+ cstr_index->tile_index[tileno].marker =
+ (opj_marker_info_t*)opj_realloc(cstr_index->tile_index[tileno].marker,
+ cstr_index->tile_index[tileno].maxmarknum *sizeof(opj_marker_info_t));
+ }
+
+ /* add the marker */
+ cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type = (OPJ_UINT16)type;
+ cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos = (OPJ_INT32)pos;
+ cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len = (OPJ_INT32)len;
+ cstr_index->tile_index[tileno].marknum++;
+
+ if (type == J2K_MS_SOT) {
+ OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
+
+ if (cstr_index->tile_index[tileno].tp_index)
+ cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
+
+ }
+
+}
+
+
+
+
+/*
+ * -----------------------------------------------------------------------
+ * -----------------------------------------------------------------------
+ * -----------------------------------------------------------------------
+ */
+
+/**
+ * Ends the decompression procedures and possibiliy add data to be read after the
+ * codestream.
+ */
+opj_bool j2k_end_decompress(
+ opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager)
+{
+ return OPJ_TRUE;
+}
+
+/**
+ * Reads a jpeg2000 codestream header structure.
+
+ *
+ * @param p_stream the stream to read data from.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the box is valid.
+ */
+opj_bool j2k_read_header( struct opj_stream_private *p_stream,
+ opj_j2k_v2_t* p_j2k,
+ opj_image_t** p_image,
+ struct opj_event_mgr* p_manager )
+{
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+ /* create an empty image header */
+ p_j2k->m_private_image = opj_image_create0();
+ if (! p_j2k->m_private_image) {
+ return OPJ_FALSE;
+ }
+
+ /* customization of the validation */
+ j2k_setup_decoding_validation(p_j2k);
+
+ /* validation of the parameters codec */
+ if (! j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream,p_manager)) {
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+ return OPJ_FALSE;
+ }
+
+ /* customization of the encoding */
+ j2k_setup_header_reading(p_j2k);
+
+ /* read header */
+ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+ return OPJ_FALSE;
+ }
+
+ *p_image = opj_image_create0();
+ if (! (*p_image)) {
+ return OPJ_FALSE;
+ }
+
+ /* Copy codestream image information to the output image */
+ opj_copy_image_header(p_j2k->m_private_image, *p_image);
+
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
+ */
+void j2k_setup_header_reading (opj_j2k_v2_t *p_j2k)
+{
+ // preconditions
+ assert(p_j2k != 00);
+
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_read_header_procedure);
+
+ /* DEVELOPER CORNER, add your custom procedures */
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_copy_default_tcp_and_create_tcd);
+
+}
+
+/**
+ * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
+ * are valid. Developpers wanting to extend the library can add their own validation procedures.
+ */
+void j2k_setup_decoding_validation (opj_j2k_v2_t *p_j2k)
+{
+ // preconditions
+ assert(p_j2k != 00);
+
+ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_build_decoder);
+ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_decoding_validation);
+ /* DEVELOPER CORNER, add your custom validation procedure */
+
+}
+
+/**
+ * Builds the cp decoder parameters to use to decode tile.
+ */
+opj_bool j2k_build_decoder (
+ opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager
+ )
+{
+ // add here initialization of cp
+ // copy paste of setup_decoder
+ return OPJ_TRUE;
+}
+
+/**
+ * The default decoding validation procedure without any extension.
+ *
+ * @param p_j2k the jpeg2000 codec to validate.
+ * @param p_stream the input stream to validate.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the parameters are correct.
+ */
+opj_bool j2k_decoding_validation (
+ opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager
+ )
+{
+ opj_bool l_is_valid = OPJ_TRUE;
+
+ // preconditions
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+
+ /* STATE checking */
+ /* make sure the state is at 0 */
+#ifdef TODO_MSD
+ l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
+#endif
+ l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
+
+ /* POINTER validation */
+ /* make sure a p_j2k codec is present */
+ /* make sure a procedure list is present */
+ l_is_valid &= (p_j2k->m_procedure_list != 00);
+ /* make sure a validation list is present */
+ l_is_valid &= (p_j2k->m_validation_list != 00);
+
+ /* PARAMETER VALIDATION */
+ return l_is_valid;
+}
+
+opj_bool j2k_read_header_procedure( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager)
+{
+ OPJ_UINT32 l_current_marker;
+ OPJ_UINT32 l_marker_size;
+ const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
+
+ /* preconditions */
+ assert(p_stream != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ /* We enter in the main header */
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
+
+ /* Try to read the SOC marker, the codestream must begin with SOC marker */
+ if (! j2k_read_soc_v2(p_j2k,p_stream,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Expected a SOC marker \n");
+ return OPJ_FALSE;
+ }
+
+ /* 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+
+ /* Try to read until the SOT is detected */
+ while (l_current_marker != J2K_MS_SOT) {
+
+ /* Check if the current marker ID is valid */
+ if (l_current_marker < 0xff00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "We expected read a marker ID (0xff--) instead of %.8x\n", l_current_marker);
+ return OPJ_FALSE;
+ }
+
+ /* Get the marker handler from the marker ID */
+ l_marker_handler = j2k_get_marker_handler(l_current_marker);
+
+ /* Manage case where marker is unknown */
+ if (l_marker_handler->id == J2K_MS_UNK) {
+ if (! j2k_read_unk_v2(p_j2k, p_stream, &l_current_marker, p_manager)){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Unknow marker have been detected and generated error.\n");
+ return OPJ_FALSE;
+ }
+
+ if (l_current_marker == J2K_MS_SOT)
+ break; /* SOT marker is detected main header is completely read */
+ else /* Get the marker handler from the marker ID */
+ l_marker_handler = j2k_get_marker_handler(l_current_marker);
+ }
+
+ /* Check if the marker is known and if it is the right place to find it */
+ if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
+ return OPJ_FALSE;
+ }
+
+ /* Try to read 2 bytes (the marker size) 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* read 2 bytes as the marker size */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
+ l_marker_size -= 2; // Subtract the size of the marker ID already read
+
+ /* Check if the marker size is compatible with the header data size */
+ if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
+ p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
+ opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
+ if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
+ return OPJ_FALSE;
+ }
+ p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
+ }
+
+ /* Try to read the rest of the marker segment 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,l_marker_size,p_manager) != l_marker_size) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read the marker segment with the correct marker handler */
+ if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Marker handler function failed to read the marker segment\n");
+ return OPJ_FALSE;
+ }
+
+ /* Add the marker to the codestream index*/
+ j2k_add_mhmarker_v2(p_j2k->cstr_index,
+ l_marker_handler->id,
+ (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
+ l_marker_size + 4 );
+
+ /* 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* read 2 bytes as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+
+ opj_event_msg_v2(p_manager, EVT_INFO, "Main header has been correctly decode.\n");
+
+ /* Position of the last element if the main header */
+ p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
+
+ /* Next step: read a tile-part header */
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Excutes the given procedures on the given codec.
+ *
+ * @param p_procedure_list the list of procedures to execute
+ * @param p_j2k the jpeg2000 codec to execute the procedures on.
+ * @param p_stream the stream to execute the procedures on.
+ * @param p_manager the user manager.
+ *
+ * @return true if all the procedures were successfully executed.
+ */
+opj_bool j2k_exec ( opj_j2k_v2_t * p_j2k,
+ opj_procedure_list_t * p_procedure_list,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ opj_bool (** l_procedure) (opj_j2k_v2_t * ,opj_stream_private_t *,opj_event_mgr_t *) = 00;
+ opj_bool l_result = OPJ_TRUE;
+ OPJ_UINT32 l_nb_proc, i;
+
+ // preconditions
+ assert(p_procedure_list != 00);
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+
+ l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
+ l_procedure = (opj_bool (**) (opj_j2k_v2_t * ,opj_stream_private_t *,opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
+
+ for (i=0;i<l_nb_proc;++i) {
+ l_result = l_result && ((*l_procedure) (p_j2k,p_stream,p_manager));
+ ++l_procedure;
+ }
+
+ // and clear the procedure list at the end.
+ opj_procedure_list_clear(p_procedure_list);
+ return l_result;
+}
+
+/* FIXME DOC*/
+opj_bool j2k_copy_default_tcp_and_create_tcd
+ (
+ opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager
+ )
+{
+ opj_tcp_v2_t * l_tcp = 00;
+ opj_tcp_v2_t * l_default_tcp = 00;
+ OPJ_UINT32 l_nb_tiles;
+ OPJ_UINT32 i,j;
+ opj_tccp_t *l_current_tccp = 00;
+ OPJ_UINT32 l_tccp_size;
+ OPJ_UINT32 l_mct_size;
+ opj_image_t * l_image;
+ OPJ_UINT32 l_mcc_records_size,l_mct_records_size;
+ opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
+ opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
+ OPJ_UINT32 l_offset;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+ l_tcp = p_j2k->m_cp.tcps;
+ l_tccp_size = l_image->numcomps * sizeof(opj_tccp_t);
+ l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ l_mct_size = l_image->numcomps * l_image->numcomps * sizeof(OPJ_FLOAT32);
+
+ /* For each tile */
+ for (i=0; i<l_nb_tiles; ++i) {
+ /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
+ l_current_tccp = l_tcp->tccps;
+ /*Copy default coding parameters into the current tile coding parameters*/
+ memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_v2_t));
+ /* Initialize some values of the current tile coding parameters*/
+ l_tcp->ppt = 0;
+ l_tcp->ppt_data = 00;
+ /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
+ l_tcp->tccps = l_current_tccp;
+
+ /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
+ if (l_default_tcp->m_mct_decoding_matrix) {
+ l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
+ if (! l_tcp->m_mct_decoding_matrix ) {
+ return OPJ_FALSE;
+ }
+ memcpy(l_tcp->m_mct_decoding_matrix,l_default_tcp->m_mct_decoding_matrix,l_mct_size);
+ }
+
+ /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
+ l_mct_records_size = l_default_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t);
+ l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
+ if (! l_tcp->m_mct_records) {
+ return OPJ_FALSE;
+ }
+ memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records,l_mct_records_size);
+
+ /* Copy the mct record data from dflt_tile_cp to the current tile*/
+ l_src_mct_rec = l_default_tcp->m_mct_records;
+ l_dest_mct_rec = l_tcp->m_mct_records;
+
+ for (j=0;j<l_default_tcp->m_nb_mct_records;++j) {
+
+ if (l_src_mct_rec->m_data) {
+
+ l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
+ if(! l_dest_mct_rec->m_data) {
+ return OPJ_FALSE;
+ }
+ memcpy(l_dest_mct_rec->m_data,l_src_mct_rec->m_data,l_src_mct_rec->m_data_size);
+ }
+
+ ++l_src_mct_rec;
+ ++l_dest_mct_rec;
+ }
+
+ /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
+ l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t);
+ l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(l_mcc_records_size);
+ if (! l_tcp->m_mcc_records) {
+ return OPJ_FALSE;
+ }
+ memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size);
+
+ /* Copy the mcc record data from dflt_tile_cp to the current tile*/
+ l_src_mcc_rec = l_default_tcp->m_mcc_records;
+ l_dest_mcc_rec = l_tcp->m_mcc_records;
+
+ for (j=0;j<l_default_tcp->m_nb_max_mcc_records;++j) {
+
+ if (l_src_mcc_rec->m_decorrelation_array) {
+ l_offset = l_src_mcc_rec->m_decorrelation_array - l_default_tcp->m_mct_records;
+ l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
+ }
+
+ if (l_src_mcc_rec->m_offset_array) {
+ l_offset = l_src_mcc_rec->m_offset_array - l_default_tcp->m_mct_records;
+ l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
+ }
+
+ ++l_src_mcc_rec;
+ ++l_dest_mcc_rec;
+ }
+
+ /* Copy all the dflt_tile_compo_cp to the current tile cp */
+ memcpy(l_current_tccp,l_default_tcp->tccps,l_tccp_size);
+
+ /* Move to next tile cp*/
+ ++l_tcp;
+ }
+
+ /* Create the current tile decoder*/
+ p_j2k->m_tcd = (opj_tcd_v2_t*)tcd_create_v2(OPJ_TRUE); // FIXME why a cast ?
+ if (! p_j2k->m_tcd ) {
+ return OPJ_FALSE;
+ }
+
+ if ( !tcd_init_v2(p_j2k->m_tcd, l_image, &(p_j2k->m_cp)) ) {
+ tcd_destroy_v2(p_j2k->m_tcd);
+ p_j2k->m_tcd = 00;
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Reads the lookup table containing all the marker, status and action, and returns the handler associated
+ * with the marker value.
+ * @param p_id Marker value to look up
+ *
+ * @return the handler associated with the id.
+*/
+const opj_dec_memory_marker_handler_t * j2k_get_marker_handler (OPJ_UINT32 p_id)
+{
+ const opj_dec_memory_marker_handler_t *e;
+ for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
+ if (e->id == p_id) {
+ break; // we find a handler corresponding to the marker ID
+ }
+ }
+ return e;
+}
+
+
+/**
+ * Destroys a jpeg2000 codec.
+ *
+ * @param p_j2k the jpeg20000 structure to destroy.
+ */
+void j2k_destroy (opj_j2k_v2_t *p_j2k)
+{
+ if (p_j2k == 00) {
+ return;
+ }
+
+ if (p_j2k->m_is_decoder) {
+
+ if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
+ j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
+ opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
+ p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
+ }
+
+ if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
+ opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
+ p_j2k->m_specific_param.m_decoder.m_header_data = 00;
+ p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
+ }
+ }
+ else {
+
+ if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
+ p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
+ }
+
+ if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
+ }
+
+ if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
+ }
+ }
+
+ tcd_destroy_v2(p_j2k->m_tcd);
+
+ j2k_cp_destroy(&(p_j2k->m_cp));
+ memset(&(p_j2k->m_cp),0,sizeof(opj_cp_v2_t));
+
+ opj_procedure_list_destroy(p_j2k->m_procedure_list);
+ p_j2k->m_procedure_list = 00;
+
+ opj_procedure_list_destroy(p_j2k->m_validation_list);
+ p_j2k->m_procedure_list = 00;
+
+ j2k_destroy_cstr_index(p_j2k->cstr_index);
+ p_j2k->cstr_index = NULL;
+
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+
+ opj_image_destroy(p_j2k->m_output_image);
+ p_j2k->m_output_image = NULL;
+
+ opj_free(p_j2k);
+}
+
+void j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind)
+{
+ if (p_cstr_ind) {
+
+ if (p_cstr_ind->marker) {
+ opj_free(p_cstr_ind->marker);
+ p_cstr_ind->marker = NULL;
+ }
+
+ if (p_cstr_ind->tile_index) {
+ OPJ_UINT32 it_tile = 0;
+
+ for (it_tile=0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
+
+ if(p_cstr_ind->tile_index[it_tile].packet_index) {
+ opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
+ p_cstr_ind->tile_index[it_tile].packet_index = NULL;
+ }
+
+ if(p_cstr_ind->tile_index[it_tile].tp_index){
+ opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
+ p_cstr_ind->tile_index[it_tile].tp_index = NULL;
+ }
+
+ if(p_cstr_ind->tile_index[it_tile].marker){
+ opj_free(p_cstr_ind->tile_index[it_tile].marker);
+ p_cstr_ind->tile_index[it_tile].marker = NULL;
+
+ }
+ }
+
+ opj_free( p_cstr_ind->tile_index);
+ p_cstr_ind->tile_index = NULL;
+ }
+
+ opj_free(p_cstr_ind);
+ }
+}
+
+
+
+/**
+ * Destroys a tile coding parameter structure.
+ *
+ * @param p_tcp the tile coding parameter to destroy.
+ */
+void j2k_tcp_destroy (opj_tcp_v2_t *p_tcp)
+{
+ if (p_tcp == 00) {
+ return;
+ }
+
+ if (p_tcp->ppt_buffer != 00) {
+ opj_free(p_tcp->ppt_buffer);
+ p_tcp->ppt_buffer = 00;
+ }
+
+ if (p_tcp->tccps != 00) {
+ opj_free(p_tcp->tccps);
+ p_tcp->tccps = 00;
+ }
+
+ if (p_tcp->m_mct_coding_matrix != 00) {
+ opj_free(p_tcp->m_mct_coding_matrix);
+ p_tcp->m_mct_coding_matrix = 00;
+ }
+
+ if (p_tcp->m_mct_decoding_matrix != 00) {
+ opj_free(p_tcp->m_mct_decoding_matrix);
+ p_tcp->m_mct_decoding_matrix = 00;
+ }
+
+ if (p_tcp->m_mcc_records) {
+ opj_free(p_tcp->m_mcc_records);
+ p_tcp->m_mcc_records = 00;
+ p_tcp->m_nb_max_mcc_records = 0;
+ p_tcp->m_nb_mcc_records = 0;
+ }
+
+ if (p_tcp->m_mct_records) {
+ opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
+ OPJ_UINT32 i;
+
+ for (i=0;i<p_tcp->m_nb_mct_records;++i) {
+ if (l_mct_data->m_data) {
+ opj_free(l_mct_data->m_data);
+ l_mct_data->m_data = 00;
+ }
+
+ ++l_mct_data;
+ }
+
+ opj_free(p_tcp->m_mct_records);
+ p_tcp->m_mct_records = 00;
+ }
+
+ if (p_tcp->mct_norms != 00) {
+ opj_free(p_tcp->mct_norms);
+ p_tcp->mct_norms = 00;
+ }
+
+ j2k_tcp_data_destroy(p_tcp);
+
+}
+
+/**
+ * Destroys the data inside a tile coding parameter structure.
+ *
+ * @param p_tcp the tile coding parameter which contain data to destroy.
+ */
+void j2k_tcp_data_destroy (opj_tcp_v2_t *p_tcp)
+{
+ if (p_tcp->m_data) {
+ opj_free(p_tcp->m_data);
+ p_tcp->m_data = NULL;
+ p_tcp->m_data_size = 0;
+ }
+}
+
+/**
+ * Destroys a coding parameter structure.
+ *
+ * @param p_cp the coding parameter to destroy.
+ */
+void j2k_cp_destroy (opj_cp_v2_t *p_cp)
+{
+ OPJ_UINT32 l_nb_tiles;
+ opj_tcp_v2_t * l_current_tile = 00;
+ OPJ_UINT32 i;
+
+ if
+ (p_cp == 00)
+ {
+ return;
+ }
+ if
+ (p_cp->tcps != 00)
+ {
+ l_current_tile = p_cp->tcps;
+ l_nb_tiles = p_cp->th * p_cp->tw;
+
+ for
+ (i = 0; i < l_nb_tiles; ++i)
+ {
+ j2k_tcp_destroy(l_current_tile);
+ ++l_current_tile;
+ }
+ opj_free(p_cp->tcps);
+ p_cp->tcps = 00;
+ }
+ if
+ (p_cp->ppm_buffer != 00)
+ {
+ opj_free(p_cp->ppm_buffer);
+ p_cp->ppm_buffer = 00;
+ }
+ if
+ (p_cp->comment != 00)
+ {
+ opj_free(p_cp->comment);
+ p_cp->comment = 00;
+ }
+ if
+ (! p_cp->m_is_decoder)
+ {
+ if
+ (p_cp->m_specific_param.m_enc.m_matrice)
+ {
+ opj_free(p_cp->m_specific_param.m_enc.m_matrice);
+ p_cp->m_specific_param.m_enc.m_matrice = 00;
+ }
+ }
+}
+
+
+
+/**
+ * Reads a tile header.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_stream the stream to write data to.
+ * @param p_manager the user event manager.
+ */
+opj_bool j2k_read_tile_header( opj_j2k_v2_t * p_j2k,
+ OPJ_UINT32 * p_tile_index,
+ OPJ_UINT32 * p_data_size,
+ OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
+ OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
+ OPJ_UINT32 * p_nb_comps,
+ opj_bool * p_go_on,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ OPJ_UINT32 l_current_marker = J2K_MS_SOT;
+ OPJ_UINT32 l_marker_size;
+ const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
+ opj_tcp_v2_t * l_tcp = NULL;
+ OPJ_UINT32 l_nb_tiles;
+
+ /* preconditions */
+ assert(p_stream != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ /* Reach the End Of Codestream ?*/
+ if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC){
+ l_current_marker = J2K_MS_EOC;
+ }
+ /* We need to encounter a SOT marker (a new tile-part header) */
+ else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT){
+ return OPJ_FALSE;
+ }
+
+ /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
+ while ( (!p_j2k->m_specific_param.m_decoder.m_can_decode) && (l_current_marker != J2K_MS_EOC) ) {
+
+ /* Try to read until the Start Of Data is detected */
+ while (l_current_marker != J2K_MS_SOD) {
+
+ /* Try to read 2 bytes (the marker size) 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes from the buffer as the marker size */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
+
+ /* Why this condition? FIXME */
+ if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH){
+ p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
+ }
+ l_marker_size -= 2; /* Subtract the size of the marker ID already read */
+
+ /* Get the marker handler from the marker ID */
+ l_marker_handler = j2k_get_marker_handler(l_current_marker);
+
+ /* Check if the marker is known and if it is the right place to find it */
+ if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
+ return OPJ_FALSE;
+ }
+/* FIXME manage case of unknown marker as in the main header ? */
+
+ /* Check if the marker size is compatible with the header data size */
+ if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
+ p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
+ opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
+ if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
+ return OPJ_FALSE;
+ }
+ p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
+ }
+
+ /* Try to read the rest of the marker segment 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,l_marker_size,p_manager) != l_marker_size) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read the marker segment with the correct marker handler */
+ if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Fail to read the current marker segment (%#x)\n", l_current_marker);
+ return OPJ_FALSE;
+ }
+
+ /* Add the marker to the codestream index*/
+ j2k_add_tlmarker_v2(p_j2k->m_current_tile_number,
+ p_j2k->cstr_index,
+ l_marker_handler->id,
+ (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
+ l_marker_size + 4 );
+
+ /* Keep the position of the last SOT marker read */
+ if ( l_marker_handler->id == J2K_MS_SOT ) {
+ OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4 ;
+ if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos)
+ {
+ p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
+ }
+ }
+
+
+ if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
+ /* Skip the rest of the tile part header*/
+ if (opj_stream_skip(p_stream,p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+ l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
+ }
+ else {
+ /* 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+ /* Read 2 bytes from the buffer as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+ }
+
+ /* If we didn't skip data before, we need to read the SOD marker*/
+ if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
+ /* Try to read the SOD marker and skip data ? FIXME */
+ if (! j2k_read_sod_v2(p_j2k, p_stream, p_manager)) {
+ return OPJ_FALSE;
+ }
+
+
+
+ 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes from buffer as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+ }
+ else {
+ /* Indicate we will try to read a new tile-part header*/
+ p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
+ p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+
+ /* 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_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes from buffer as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+ }
+
+ /* Current marker is the EOC marker ?*/
+ if (l_current_marker == J2K_MS_EOC) {
+ if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC ){
+ p_j2k->m_current_tile_number = 0;
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
+ }
+ }
+
+ /* FIXME DOC ???*/
+ if ( ! p_j2k->m_specific_param.m_decoder.m_can_decode) {
+ l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
+ l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+
+ while( (p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00) ) {
+ ++p_j2k->m_current_tile_number;
+ ++l_tcp;
+ }
+
+ if (p_j2k->m_current_tile_number == l_nb_tiles) {
+ *p_go_on = OPJ_FALSE;
+ return OPJ_TRUE;
+ }
+ }
+
+ /*FIXME ???*/
+ if (! tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
+ return OPJ_FALSE;
+ }
+
+ opj_event_msg_v2(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
+ p_j2k->m_current_tile_number, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
+
+ *p_tile_index = p_j2k->m_current_tile_number;
+ *p_go_on = OPJ_TRUE;
+ *p_data_size = tcd_get_decoded_tile_size(p_j2k->m_tcd);
+ *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
+ *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
+ *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
+ *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
+ *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
+
+ p_j2k->m_specific_param.m_decoder.m_state |= 0x0080;// FIXME J2K_DEC_STATE_DATA;
+
+ return OPJ_TRUE;
+}
+
+
+opj_bool j2k_decode_tile ( opj_j2k_v2_t * p_j2k,
+ OPJ_UINT32 p_tile_index,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ OPJ_UINT32 l_current_marker;
+ OPJ_BYTE l_data [2];
+ opj_tcp_v2_t * l_tcp;
+
+ /* preconditions */
+ assert(p_stream != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ if ( !(p_j2k->m_specific_param.m_decoder.m_state & 0x0080/*FIXME J2K_DEC_STATE_DATA*/)
+ || (p_tile_index != p_j2k->m_current_tile_number) ) {
+ return OPJ_FALSE;
+ }
+
+ l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
+ if (! l_tcp->m_data) {
+ j2k_tcp_destroy(l_tcp);
+ return OPJ_FALSE;
+ }
+
+ if (! tcd_decode_tile_v2( p_j2k->m_tcd,
+ l_tcp->m_data,
+ l_tcp->m_data_size,
+ p_tile_index,
+ p_j2k->cstr_index) ) {
+ j2k_tcp_destroy(l_tcp);
+ p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;//FIXME J2K_DEC_STATE_ERR;
+ return OPJ_FALSE;
+ }
+
+ if (! tcd_update_tile_data(p_j2k->m_tcd,p_data,p_data_size)) {
+ return OPJ_FALSE;
+ }
+
+ /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
+ * we destroy just the data which will be re-read in read_tile_header*/
+ /*j2k_tcp_destroy(l_tcp);
+ p_j2k->m_tcd->tcp = 0;*/
+ j2k_tcp_data_destroy(l_tcp);
+
+ p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
+ p_j2k->m_specific_param.m_decoder.m_state &= (~ (0x0080));// FIXME J2K_DEC_STATE_DATA);
+
+ if (p_j2k->m_specific_param.m_decoder.m_state != 0x0100){ //FIXME J2K_DEC_STATE_EOC)
+ if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(l_data,&l_current_marker,2);
+
+ if (l_current_marker == J2K_MS_EOC) {
+ p_j2k->m_current_tile_number = 0;
+ p_j2k->m_specific_param.m_decoder.m_state = 0x0100;//FIXME J2K_DEC_STATE_EOC;
+ }
+ else if (l_current_marker != J2K_MS_SOT)
+ {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
+ return OPJ_FALSE;
+ }
+ }
+
+ return OPJ_TRUE;
+}
+
+
+opj_bool j2k_update_image_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image)
+{
+ OPJ_UINT32 i,j,k = 0;
+ 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_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_image_comp_t * l_img_comp_src = 00;
+ opj_image_comp_t * l_img_comp_dest = 00;
+
+ opj_tcd_tilecomp_v2_t * l_tilec = 00;
+ opj_image_t * l_image_src = 00;
+ OPJ_UINT32 l_size_comp, l_remaining;
+ OPJ_INT32 * l_dest_ptr;
+ opj_tcd_resolution_v2_t* l_res= 00;
+
+ l_tilec = p_tcd->tcd_image->tiles->comps;
+ l_image_src = p_tcd->image;
+ l_img_comp_src = l_image_src->comps;
+
+ l_img_comp_dest = p_output_image->comps;
+
+ for (i=0; i<l_image_src->numcomps; i++) {
+
+ /* 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));
+ if (! l_img_comp_dest->data) {
+ return OPJ_FALSE;
+ }
+ }
+
+ /* Copy info from decoded comp image to output image */
+ l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
+
+ /*-----*/
+ /* Compute the precision of the output buffer */
+ l_size_comp = l_img_comp_src->prec >> 3; /*(/ 8)*/
+ l_remaining = l_img_comp_src->prec & 7; /* (%8) */
+ l_res = l_tilec->resolutions + l_img_comp_src->resno_decoded;
+
+ if (l_remaining) {
+ ++l_size_comp;
+ }
+
+ if (l_size_comp == 3) {
+ l_size_comp = 4;
+ }
+ /*-----*/
+
+ /* Current tile component size*/
+ /*if (i == 0) {
+ fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
+ l_res->x0, l_res->x1, l_res->y0, l_res->y1);
+ }*/
+
+ l_width_src = (l_res->x1 - l_res->x0);
+ l_height_src = (l_res->y1 - l_res->y0);
+
+ /* Border of the current output component*/
+ l_x0_dest = int_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
+ l_y0_dest = int_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
+ l_x1_dest = l_x0_dest + l_img_comp_dest->w;
+ l_y1_dest = l_y0_dest + l_img_comp_dest->h;
+
+ /*if (i == 0) {
+ fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
+ l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
+ }*/
+
+ /*-----*/
+ /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
+ * of the input buffer (decoded tile component) which will be move
+ * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
+ * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
+ * by this input area.
+ * */
+ if ( l_x0_dest < l_res->x0 ) {
+ l_start_x_dest = l_res->x0 - l_x0_dest;
+ l_offset_x0_src = 0;
+
+ if ( l_x1_dest >= l_res->x1 ) {
+ l_width_dest = l_width_src;
+ l_offset_x1_src = 0;
+ }
+ else {
+ l_width_dest = l_x1_dest - l_res->x0 ;
+ l_offset_x1_src = l_width_src - l_width_dest;
+ }
+ }
+ else {
+ l_start_x_dest = 0 ;
+ l_offset_x0_src = l_x0_dest - l_res->x0;
+
+ if ( l_x1_dest >= l_res->x1 ) {
+ l_width_dest = l_width_src - l_offset_x0_src;
+ l_offset_x1_src = 0;
+ }
+ else {
+ l_width_dest = l_img_comp_dest->w ;
+ l_offset_x1_src = l_res->x1 - l_x1_dest;
+ }
+ }
+
+ if ( l_y0_dest < l_res->y0 ) {
+ l_start_y_dest = l_res->y0 - l_y0_dest;
+ l_offset_y0_src = 0;
+
+ if ( l_y1_dest >= l_res->y1 ) {
+ l_height_dest = l_height_src;
+ l_offset_y1_src = 0;
+ }
+ else {
+ l_height_dest = l_y1_dest - l_res->y0 ;
+ l_offset_y1_src = l_height_src - l_height_dest;
+ }
+ }
+ else {
+ l_start_y_dest = 0 ;
+ l_offset_y0_src = l_y0_dest - l_res->y0;
+
+ if ( l_y1_dest >= l_res->y1 ) {
+ l_height_dest = l_height_src - l_offset_y0_src;
+ l_offset_y1_src = 0;
+ }
+ else {
+ l_height_dest = l_img_comp_dest->h ;
+ l_offset_y1_src = l_res->y1 - l_y1_dest;
+ }
+ }
+
+ if( (l_offset_x0_src < 0 ) || (l_offset_y0_src < 0 ) || (l_offset_x1_src < 0 ) || (l_offset_y1_src < 0 ) ){
+ return OPJ_FALSE;
+ }
+ /*-----*/
+
+ /* Compute the input buffer offset */
+ l_start_offset_src = l_offset_x0_src + l_offset_y0_src * l_width_src;
+ l_line_offset_src = l_offset_x1_src + l_offset_x0_src;
+ l_end_offset_src = l_offset_y1_src * l_width_src - l_offset_x0_src;
+
+ /* Compute the output buffer offset */
+ l_start_offset_dest = l_start_x_dest + l_start_y_dest * l_img_comp_dest->w;
+ l_line_offset_dest = l_img_comp_dest->w - 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;
+
+ /*if (i == 0) {
+ fprintf(stdout, "COMPO[%d]:\n",i);
+ fprintf(stdout, "SRC: l_start_x_src=%d, l_start_y_src=%d, l_width_src=%d, l_height_src=%d\n"
+ "\t tile offset:%d, %d, %d, %d\n"
+ "\t buffer offset: %d; %d, %d\n",
+ l_res->x0, l_res->y0, l_width_src, l_height_src,
+ l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src,
+ l_start_offset_src, l_line_offset_src, l_end_offset_src);
+
+ fprintf(stdout, "DEST: l_start_x_dest=%d, l_start_y_dest=%d, l_width_dest=%d, l_height_dest=%d\n"
+ "\t start offset: %d, line offset= %d\n",
+ l_start_x_dest, l_start_y_dest, l_width_dest, l_height_dest, l_start_offset_dest, l_line_offset_dest);
+ }*/
+
+
+ switch (l_size_comp) {
+ case 1:
+ {
+ OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data;
+ l_src_ptr += l_start_offset_src; /* Move to the first place where we will read*/
+
+ if (l_img_comp_src->sgnd) {
+ for (j = 0 ; j < l_height_dest ; ++j) {
+ for ( k = 0 ; k < l_width_dest ; ++k) {
+ *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++)); /* Copy only the data needed for the output image */
+ }
+
+ l_dest_ptr+= l_line_offset_dest; /* Move to the next place where we will write */
+ l_src_ptr += l_line_offset_src ; /* Move to the next place where we will read */
+ }
+ }
+ else {
+ for ( j = 0 ; j < l_height_dest ; ++j ) {
+ for ( k = 0 ; k < l_width_dest ; ++k) {
+ *(l_dest_ptr++) = (OPJ_INT32) ((*(l_src_ptr++))&0xff);
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src;
+ }
+ }
+
+ l_src_ptr += l_end_offset_src; /* Move to the end of this component-part of the input buffer */
+ p_data = (OPJ_BYTE*) l_src_ptr; /* Keep the current position for the next component-part */
+ }
+ break;
+ case 2:
+ {
+ OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_data;
+ l_src_ptr += l_start_offset_src;
+
+ if (l_img_comp_src->sgnd) {
+ for (j=0;j<l_height_dest;++j) {
+ for (k=0;k<l_width_dest;++k) {
+ *(l_dest_ptr++) = *(l_src_ptr++);
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src ;
+ }
+ }
+ else {
+ for (j=0;j<l_height_dest;++j) {
+ for (k=0;k<l_width_dest;++k) {
+ *(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src ;
+ }
+ }
+
+ l_src_ptr += l_end_offset_src;
+ p_data = (OPJ_BYTE*) l_src_ptr;
+ }
+ break;
+ case 4:
+ {
+ OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_data;
+ l_src_ptr += l_start_offset_src;
+
+ for (j=0;j<l_height_dest;++j) {
+ for (k=0;k<l_width_dest;++k) {
+ *(l_dest_ptr++) = (*(l_src_ptr++));
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src ;
+ }
+
+ l_src_ptr += l_end_offset_src;
+ p_data = (OPJ_BYTE*) l_src_ptr;
+ }
+ break;
+ }
+
+ ++l_img_comp_dest;
+ ++l_img_comp_src;
+ ++l_tilec;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
+ *
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_start_x the left position of the rectangle to decode (in image coordinates).
+ * @param p_end_x the right position of the rectangle to decode (in image coordinates).
+ * @param p_start_y the up position of the rectangle to decode (in image coordinates).
+ * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
+ * @param p_manager the user event manager
+ *
+ * @return true if the area could be set.
+ */
+opj_bool j2k_set_decode_area( opj_j2k_v2_t *p_j2k,
+ opj_image_t* p_image,
+ OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
+ OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
+ struct opj_event_mgr * p_manager )
+{
+ opj_cp_v2_t * l_cp = &(p_j2k->m_cp);
+ opj_image_t * l_image = p_j2k->m_private_image;
+
+ OPJ_UINT32 it_comp;
+ OPJ_INT32 l_comp_x1, l_comp_y1;
+ opj_image_comp_t* l_img_comp = NULL;
+
+ /* Check if we are read the main header */
+ if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) { // FIXME J2K_DEC_STATE_TPHSOT)
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Need to decode the main header before begin to decode the remaining codestream");
+ return OPJ_FALSE;
+ }
+
+ if ( !p_start_x && !p_start_y && !p_end_x && !p_end_y){
+ opj_event_msg_v2(p_manager, EVT_INFO, "No decoded area parameters, set the decoded area to the all image\n");
+
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
+
+ return OPJ_TRUE;
+ }
+
+ /* ----- */
+ /* Check if the positions provided by the user are correct */
+
+ /* Left */
+ if (p_start_x > l_image->x1 ) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
+ p_start_x, l_image->x1);
+ return OPJ_FALSE;
+ }
+ else if (p_start_x < l_image->x0){
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
+ p_start_x, l_image->x0);
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
+ p_image->x0 = l_image->x0;
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_start_x - l_cp->tx0) / l_cp->tdx;
+ p_image->x0 = p_start_x;
+ }
+
+ /* Up */
+ if (p_start_y > l_image->y1){
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
+ p_start_y, l_image->y1);
+ return OPJ_FALSE;
+ }
+ else if (p_start_y < l_image->y0){
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
+ p_start_y, l_image->y0);
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
+ p_image->y0 = l_image->y0;
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_start_y - l_cp->ty0) / l_cp->tdy;
+ p_image->y0 = p_start_y;
+ }
+
+ /* Right */
+ if (p_end_x < l_image->x0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
+ p_end_x, l_image->x0);
+ return OPJ_FALSE;
+ }
+ else if (p_end_x > l_image->x1) {
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
+ p_end_x, l_image->x1);
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
+ p_image->x1 = l_image->x1;
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = int_ceildiv((p_end_x - l_cp->tx0), l_cp->tdx);
+ p_image->x1 = p_end_x;
+ }
+
+ /* Bottom */
+ if (p_end_y < l_image->y0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Right position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
+ p_end_y, l_image->y0);
+ return OPJ_FALSE;
+ }
+ if (p_end_y > l_image->y1){
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
+ p_end_y, l_image->y1);
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
+ p_image->y1 = l_image->y1;
+ }
+ else{
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_end_y - l_cp->ty0), l_cp->tdy);
+ p_image->y1 = p_end_y;
+ }
+ /* ----- */
+
+ p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
+
+ l_img_comp = p_image->comps;
+ for (it_comp=0; it_comp < p_image->numcomps; ++it_comp)
+ {
+ OPJ_INT32 l_h,l_w;
+
+ l_img_comp->x0 = int_ceildiv(p_image->x0, l_img_comp->dx);
+ l_img_comp->y0 = int_ceildiv(p_image->y0, l_img_comp->dy);
+ l_comp_x1 = int_ceildiv(p_image->x1, l_img_comp->dx);
+ l_comp_y1 = int_ceildiv(p_image->y1, l_img_comp->dy);
+
+ l_w = int_ceildivpow2(l_comp_x1, l_img_comp->factor)
+ - int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
+ if (l_w < 0){
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
+ it_comp, l_w);
+ return OPJ_FALSE;
+ }
+ l_img_comp->w = l_w;
+
+ l_h = int_ceildivpow2(l_comp_y1, l_img_comp->factor)
+ - int_ceildivpow2(l_img_comp->y0, l_img_comp->factor);
+ if (l_h < 0){
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
+ it_comp, l_h);
+ return OPJ_FALSE;
+ }
+ l_img_comp->h = l_h;
+
+ l_img_comp++;
+ }
+
+ opj_event_msg_v2( p_manager, EVT_INFO,"Setting decoding area to %d,%d,%d,%d\n",
+ p_image->x0, p_image->y0, p_image->x1, p_image->y1);
+
+
+ return OPJ_TRUE;