src/lib/openjp2/tpix_manager.c

   1 /*
   2  * $Id: tpix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
   3  *
   4  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
   5  * Copyright (c) 2002-2014, Professor Benoit Macq
   6  * Copyright (c) 2003-2004, Yannick Verschueren
   7  * Copyright (c) 2010-2011, Kaori Hagihara
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*! \file
  33  *  \brief Modification of jpip.c from 2KAN indexer
  34  */
  35
  36 #include "opj_includes.h"
  37
  38 #define MAX(a,b) ((a)>(b)?(a):(b))
  39
  40 /*
  41  * Get number of maximum tile parts per tile
  42  *
  43  * @param[in] cstr_info codestream information
  44  * @return              number of maximum tile parts per tile
  45  */
  46 int get_num_max_tile_parts(opj_codestream_info_t cstr_info);
  47
  48
  49 /*
  50  * Write faix box of tpix
  51  *
  52  * @param[in] coff offset of j2k codestream
  53  * @param[in] compno    component number
  54  * @param[in] cstr_info codestream information
  55  * @param[in] j2klen    length of j2k codestream
  56  * @param[in] cio       file output handle
  57  * @return              length of faix box
  58  */
  59
  60 int opj_write_tpix(int coff,
  61                    opj_codestream_info_t cstr_info,
  62                    int j2klen, opj_stream_private_t *cio,
  63                    opj_event_mgr_t * p_manager)
  64 {
  65     OPJ_BYTE l_data_header [4];
  66     OPJ_UINT32 len;
  67     OPJ_OFF_T lenp;
  68
  69     lenp = opj_stream_tell(cio);
  70     opj_stream_skip(cio, 4, p_manager);
  71     opj_write_bytes(l_data_header, JPIP_TPIX, 4); /* TPIX */
  72     opj_stream_write_data(cio, l_data_header, 4, p_manager);
  73
  74     opj_write_tpixfaix(coff, 0, cstr_info, j2klen, cio, p_manager);
  75
  76     len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
  77
  78     opj_stream_skip(cio, lenp, p_manager);
  79     opj_write_bytes(l_data_header, len, 4); /* L              */
  80     opj_stream_write_data(cio, l_data_header, 4, p_manager);
  81     opj_stream_seek(cio, lenp + len, p_manager);
  82
  83     return (int)len;
  84 }
  85
  86 int opj_write_tpixfaix(int coff,
  87                        int compno,
  88                        opj_codestream_info_t cstr_info,
  89                        int j2klen,
  90                        opj_stream_private_t *cio,
  91                        opj_event_mgr_t * p_manager)
  92 {
  93     OPJ_UINT32 len;
  94     OPJ_OFF_T lenp;
  95     OPJ_UINT32 i, j;
  96     OPJ_UINT32 Aux;
  97     OPJ_UINT32 num_max_tile_parts;
  98     OPJ_UINT32 size_of_coding; /* 4 or 8 */
  99     opj_tp_info_t tp;
 100     OPJ_BYTE l_data_header [8];
 101     OPJ_UINT32 version;
 102
 103     num_max_tile_parts = (OPJ_UINT32)get_num_max_tile_parts(cstr_info);
 104
 105     if (j2klen > pow(2, 32)) {
 106         size_of_coding =  8;
 107         version = num_max_tile_parts == 1 ? 1 : 3;
 108     } else {
 109         size_of_coding = 4;
 110         version = num_max_tile_parts == 1 ? 0 : 2;
 111     }
 112
 113     lenp = opj_stream_tell(cio);
 114     opj_stream_skip(cio, 4, p_manager);         /* L [at the end]      */
 115     opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */
 116     opj_stream_write_data(cio, l_data_header, 4, p_manager);
 117     opj_write_bytes(l_data_header, version, 1); /* Version 0 = 4 bytes */
 118     opj_stream_write_data(cio, l_data_header, 1, p_manager);
 119
 120     opj_write_bytes(l_data_header, num_max_tile_parts,
 121                     size_of_coding);       /* NMAX           */
 122     opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
 123     opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th),
 124                     size_of_coding);  /* M              */
 125     opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
 126
 127     for (i = 0; i < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); i++) {
 128         for (j = 0; j < (OPJ_UINT32)cstr_info.tile[i].num_tps; j++) {
 129             tp = cstr_info.tile[i].tp[j];
 130
 131             opj_write_bytes(l_data_header, (OPJ_UINT32)(tp.tp_start_pos - coff),
 132                             size_of_coding);            /* start position */
 133             opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
 134             opj_write_bytes(l_data_header,
 135                             (OPJ_UINT32)(tp.tp_end_pos - tp.tp_start_pos + 1),
 136                             size_of_coding); /* length         */
 137             opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
 138
 139             if (version & 0x02) {
 140                 if (cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1) {
 141                     Aux = (OPJ_UINT32)(cstr_info.numdecompos[compno] + 1);
 142                 } else {
 143                     Aux = j + 1;
 144                 }
 145
 146                 opj_write_bytes(l_data_header, Aux, 4);
 147                 opj_stream_write_data(cio, l_data_header, 4, p_manager);
 148
 149                 /*cio_write(img.tile[i].tile_parts[j].num_reso_AUX,4);*/ /* Aux_i,j : Auxiliary value */
 150                 /* fprintf(stderr,"AUX value %d\n",Aux);*/
 151             }
 152             /*cio_write(0,4);*/
 153         }
 154         /* PADDING */
 155         while (j < num_max_tile_parts) {
 156
 157             opj_write_bytes(l_data_header, 0,
 158                             size_of_coding); /* start position            */
 159             opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
 160             opj_write_bytes(l_data_header, 0,
 161                             size_of_coding); /* length                    */
 162             opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
 163
 164             if (version & 0x02) {
 165                 opj_write_bytes(l_data_header, 0, 4);    /* Aux_i,j : Auxiliary value */
 166             }
 167             opj_stream_write_data(cio, l_data_header, 4, p_manager);
 168             j++;
 169         }
 170     }
 171
 172     len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
 173     opj_stream_seek(cio, lenp, p_manager);
 174     opj_write_bytes(l_data_header, len, 4); /* L  */
 175     opj_stream_write_data(cio, l_data_header, 4, p_manager);
 176     opj_stream_seek(cio, lenp + len, p_manager);
 177
 178     return (int)len;
 179 }
 180
 181 int get_num_max_tile_parts(opj_codestream_info_t cstr_info)
 182 {
 183     int num_max_tp = 0, i;
 184
 185     for (i = 0; i < cstr_info.tw * cstr_info.th; i++) {
 186         num_max_tp = MAX(cstr_info.tile[i].num_tps, num_max_tp);
 187     }
 188
 189     return num_max_tp;
 190 }