diff options
Diffstat (limited to 'extern/libopenjpeg/tpix_manager.c')
| -rw-r--r-- | extern/libopenjpeg/tpix_manager.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/extern/libopenjpeg/tpix_manager.c b/extern/libopenjpeg/tpix_manager.c new file mode 100644 index 00000000000..9ba9e7fdabc --- /dev/null +++ b/extern/libopenjpeg/tpix_manager.c @@ -0,0 +1,153 @@ +/* + * $Id: tpix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $ + * + * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2011, 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 <math.h> +#include "opj_includes.h" + +#define MAX(a,b) ((a)>(b)?(a):(b)) + + +/* + * 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 write_tpixfaix( int coff, int compno, opj_codestream_info_t cstr_info, int j2klen, opj_cio_t *cio); + + +int write_tpix( int coff, opj_codestream_info_t cstr_info, int j2klen, opj_cio_t *cio) +{ + int len, lenp; + lenp = cio_tell( cio); + cio_skip( cio, 4); /* L [at the end] */ + cio_write( cio, JPIP_TPIX, 4); /* TPIX */ + + write_tpixfaix( coff, 0, cstr_info, j2klen, cio); + + len = cio_tell( cio)-lenp; + cio_seek( cio, lenp); + cio_write( cio, len, 4); /* L */ + cio_seek( cio, lenp+len); + + return len; +} + + +/* + * 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); + +int write_tpixfaix( int coff, int compno, opj_codestream_info_t cstr_info, int j2klen, opj_cio_t *cio) +{ + int len, lenp; + int i, j; + int Aux; + int num_max_tile_parts; + int size_of_coding; /* 4 or 8 */ + opj_tp_info_t tp; + int version; + + num_max_tile_parts = 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 = cio_tell( cio); + cio_skip( cio, 4); /* L [at the end] */ + cio_write( cio, JPIP_FAIX, 4); /* FAIX */ + cio_write( cio, version, 1); /* Version 0 = 4 bytes */ + + cio_write( cio, num_max_tile_parts, size_of_coding); /* NMAX */ + cio_write( cio, cstr_info.tw*cstr_info.th, size_of_coding); /* M */ + for (i = 0; i < cstr_info.tw*cstr_info.th; i++){ + for (j = 0; j < cstr_info.tile[i].num_tps; j++){ + tp = cstr_info.tile[i].tp[j]; + cio_write( cio, tp.tp_start_pos-coff, size_of_coding); /* start position */ + cio_write( cio, tp.tp_end_pos-tp.tp_start_pos+1, size_of_coding); /* length */ + if (version & 0x02){ + if( cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1) + Aux = cstr_info.numdecompos[compno] + 1; + else + Aux = j + 1; + + cio_write( cio, Aux,4); + /*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){ + cio_write( cio, 0, size_of_coding); /* start position */ + cio_write( cio, 0, size_of_coding); /* length */ + if (version & 0x02) + cio_write( cio, 0,4); /* Aux_i,j : Auxiliary value */ + j++; + } + } + + len = cio_tell( cio)-lenp; + cio_seek( cio, lenp); + cio_write( cio, len, 4); /* L */ + cio_seek( cio, lenp+len); + + return 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; +} |