/* * $Id: tpix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $ * * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium * Copyright (c) 2002-2014, Professor Benoit Macq * Copyright (c) 2003-2004, Yannick Verschueren * Copyright (c) 2010-2011, Kaori Hagihara * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*! \file * \brief Modification of jpip.c from 2KAN indexer */ #include "opj_includes.h" #define MAX(a,b) ((a)>(b)?(a):(b)) /* * Get number of maximum tile parts per tile * * @param[in] cstr_info codestream information * @return number of maximum tile parts per tile */ int get_num_max_tile_parts(opj_codestream_info_t cstr_info); /* * Write faix box of tpix * * @param[in] coff offset of j2k codestream * @param[in] compno component number * @param[in] cstr_info codestream information * @param[in] j2klen length of j2k codestream * @param[in] cio file output handle * @return length of faix box */ int opj_write_tpix(int coff, opj_codestream_info_t cstr_info, int j2klen, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) { OPJ_BYTE l_data_header [4]; OPJ_UINT32 len; OPJ_OFF_T lenp; lenp = opj_stream_tell(cio); opj_stream_skip(cio, 4, p_manager); opj_write_bytes(l_data_header, JPIP_TPIX, 4); /* TPIX */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_write_tpixfaix(coff, 0, cstr_info, j2klen, cio, p_manager); len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); opj_stream_skip(cio, lenp, p_manager); opj_write_bytes(l_data_header, len, 4); /* L */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_stream_seek(cio, lenp + len, p_manager); return (int)len; } int opj_write_tpixfaix(int coff, int compno, opj_codestream_info_t cstr_info, int j2klen, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) { OPJ_UINT32 len; OPJ_OFF_T lenp; OPJ_UINT32 i, j; OPJ_UINT32 Aux; OPJ_UINT32 num_max_tile_parts; OPJ_UINT32 size_of_coding; /* 4 or 8 */ opj_tp_info_t tp; OPJ_BYTE l_data_header [8]; OPJ_UINT32 version; num_max_tile_parts = (OPJ_UINT32)get_num_max_tile_parts(cstr_info); if (j2klen > pow(2, 32)) { size_of_coding = 8; version = num_max_tile_parts == 1 ? 1 : 3; } else { size_of_coding = 4; version = num_max_tile_parts == 1 ? 0 : 2; } lenp = opj_stream_tell(cio); opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_write_bytes(l_data_header, version, 1); /* Version 0 = 4 bytes */ opj_stream_write_data(cio, l_data_header, 1, p_manager); opj_write_bytes(l_data_header, num_max_tile_parts, size_of_coding); /* NMAX */ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th), size_of_coding); /* M */ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); for (i = 0; i < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); i++) { for (j = 0; j < (OPJ_UINT32)cstr_info.tile[i].num_tps; j++) { tp = cstr_info.tile[i].tp[j]; opj_write_bytes(l_data_header, (OPJ_UINT32)(tp.tp_start_pos - coff), size_of_coding); /* start position */ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); opj_write_bytes(l_data_header, (OPJ_UINT32)(tp.tp_end_pos - tp.tp_start_pos + 1), size_of_coding); /* length */ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); if (version & 0x02) { if (cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1) { Aux = (OPJ_UINT32)(cstr_info.numdecompos[compno] + 1); } else { Aux = j + 1; } opj_write_bytes(l_data_header, Aux, 4); opj_stream_write_data(cio, l_data_header, 4, p_manager); /*cio_write(img.tile[i].tile_parts[j].num_reso_AUX,4);*/ /* Aux_i,j : Auxiliary value */ /* fprintf(stderr,"AUX value %d\n",Aux);*/ } /*cio_write(0,4);*/ } /* PADDING */ while (j < num_max_tile_parts) { opj_write_bytes(l_data_header, 0, size_of_coding); /* start position */ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); opj_write_bytes(l_data_header, 0, size_of_coding); /* length */ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); if (version & 0x02) { opj_write_bytes(l_data_header, 0, 4); /* Aux_i,j : Auxiliary value */ } opj_stream_write_data(cio, l_data_header, 4, p_manager); j++; } } len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); opj_stream_seek(cio, lenp, p_manager); opj_write_bytes(l_data_header, len, 4); /* L */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_stream_seek(cio, lenp + len, p_manager); return (int)len; } int get_num_max_tile_parts(opj_codestream_info_t cstr_info) { int num_max_tp = 0, i; for (i = 0; i < cstr_info.tw * cstr_info.th; i++) { num_max_tp = MAX(cstr_info.tile[i].num_tps, num_max_tp); } return num_max_tp; }