diff options
Diffstat (limited to 'openjpeg/src/lib/openjp2/thix_manager.c')
| -rw-r--r-- | openjpeg/src/lib/openjp2/thix_manager.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/openjpeg/src/lib/openjp2/thix_manager.c b/openjpeg/src/lib/openjp2/thix_manager.c new file mode 100644 index 00000000..8a2f4f26 --- /dev/null +++ b/openjpeg/src/lib/openjp2/thix_manager.c @@ -0,0 +1,146 @@ +/* + * $Id: thix_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" + + + +int opj_write_thix(int coff, opj_codestream_info_t cstr_info, + opj_stream_private_t *cio, + opj_event_mgr_t * p_manager) +{ + OPJ_BYTE l_data_header [4]; + int i; + int tileno; + opj_jp2_box_t *box; + OPJ_UINT32 len; + OPJ_OFF_T lenp; + + lenp = 0; + box = (opj_jp2_box_t *)opj_calloc((size_t)(cstr_info.tw * cstr_info.th), + sizeof(opj_jp2_box_t)); + if (box == NULL) { + return 0; + } + for (i = 0; i < 2 ; i++) { + if (i) { + opj_stream_seek(cio, lenp, p_manager); + } + + lenp = opj_stream_tell(cio); + opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ + opj_write_bytes(l_data_header, JPIP_THIX, 4); /* THIX */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + + opj_write_manf(i, cstr_info.tw * cstr_info.th, box, cio, p_manager); + + for (tileno = 0; tileno < cstr_info.tw * cstr_info.th; tileno++) { + box[tileno].length = (OPJ_UINT32)opj_write_tilemhix(coff, cstr_info, tileno, + cio, p_manager); + box[tileno].type = JPIP_MHIX; + } + + 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); + + } + + opj_free(box); + + return (int)len; +} + +/* + * Write tile-part headers mhix box + * + * @param[in] coff offset of j2k codestream + * @param[in] cstr_info codestream information + * @param[in] tileno tile number + * @param[in] cio file output handle + * @return length of mhix box + */ +int opj_write_tilemhix(int coff, opj_codestream_info_t cstr_info, int tileno, + opj_stream_private_t *cio, + opj_event_mgr_t * p_manager) +{ + OPJ_BYTE l_data_header [8]; + int i; + opj_tile_info_t tile; + opj_tp_info_t tp; + opj_marker_info_t *marker; + OPJ_UINT32 len; + OPJ_OFF_T lenp; + + lenp = opj_stream_tell(cio); + opj_stream_skip(cio, 4, + p_manager); /* L [at the end] */ + opj_write_bytes(l_data_header, JPIP_MHIX, + 4); /* MHIX */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + + tile = cstr_info.tile[tileno]; + tp = tile.tp[0]; + + opj_write_bytes(l_data_header, + (OPJ_UINT32)(tp.tp_end_header - tp.tp_start_pos + 1), + 8); /* TLEN */ + opj_stream_write_data(cio, l_data_header, 8, p_manager); + + marker = cstr_info.tile[tileno].marker; + + for (i = 0; i < cstr_info.tile[tileno].marknum; + i++) { /* Marker restricted to 1 apparition */ + opj_write_bytes(l_data_header, marker[i].type, 2); + opj_write_bytes(l_data_header + 2, 0, 2); + opj_stream_write_data(cio, l_data_header, 4, p_manager); + opj_write_bytes(l_data_header, (OPJ_UINT32)(marker[i].pos - coff), 8); + opj_stream_write_data(cio, l_data_header, 8, p_manager); + opj_write_bytes(l_data_header, (OPJ_UINT32)marker[i].len, 2); + opj_stream_write_data(cio, l_data_header, 2, p_manager); + } + + /* free( marker);*/ + + 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; +} |