static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd (       opj_j2k_t * p_j2k,
                                                            opj_stream_private_t *p_stream,
                                                            opj_event_mgr_t * p_manager
                                                            )
{
        opj_tcp_t * l_tcp = 00;
        opj_tcp_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 * (OPJ_UINT32)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 * (OPJ_UINT32)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_t));
                /* Initialize some values of the current tile coding parameters*/
                l_tcp->cod = 0;
                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 * (OPJ_UINT32)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 * (OPJ_UINT32)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 = (OPJ_UINT32)(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 = (OPJ_UINT32)(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_t*)opj_tcd_create(OPJ_TRUE); /* FIXME why a cast ? */
        if (! p_j2k->m_tcd ) {
                return OPJ_FALSE;
        }

        if ( !opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp)) ) {
                opj_tcd_destroy(p_j2k->m_tcd);
                p_j2k->m_tcd = 00;
                opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
                return OPJ_FALSE;
        }

        return OPJ_TRUE;
}
Unknown