src/lib/openjp2/phix_manager.c

   1 /*
   2  * $Id: phix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
   3  *
   4  * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   5  * Copyright (c) 2002-2011, 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
  39 /*
  40  * Write faix box of phix
  41  *
  42  * @param[in] coff      offset of j2k codestream
  43  * @param[in] compno    component number
  44  * @param[in] cstr_info codestream information
  45  * @param[in] EPHused   true if if EPH option used
  46  * @param[in] j2klen    length of j2k codestream
  47  * @param[in] cio       file output handle
  48  * @return              length of faix box
  49  */
  50
  51 int opj_write_phix( int coff, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_stream_private_t *cio,
  52               opj_event_mgr_t * p_manager )
  53 {
  54   OPJ_BYTE l_data_header [8];
  55   int len, compno, i;
  56   opj_jp2_box_t *box;
  57   OPJ_OFF_T lenp;
  58
  59   box = (opj_jp2_box_t *)opj_calloc( cstr_info.numcomps, sizeof(opj_jp2_box_t));
  60
  61   for( i=0;i<2;i++){
  62     if (i)
  63       opj_stream_seek( cio, lenp, p_manager);
  64
  65     lenp = opj_stream_tell(cio);
  66     opj_stream_skip(cio, 4, p_manager);         /* L [at the end]      */
  67     opj_write_bytes(l_data_header,JPIP_PHIX,4); /* PHIX */
  68     opj_stream_write_data(cio,l_data_header,4,p_manager);
  69
  70     opj_write_manf( i, cstr_info.numcomps, box, cio, p_manager );
  71
  72     for( compno=0; compno<cstr_info.numcomps; compno++){
  73       box[compno].length = opj_write_phixfaix( coff, compno, cstr_info, EPHused, j2klen, cio,p_manager);
  74       box[compno].type = JPIP_FAIX;
  75     }
  76
  77     len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp);
  78     opj_stream_seek(cio, 4, 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
  84   opj_free(box);
  85
  86   return len;
  87 }
  88
  89
  90 int opj_write_phixfaix( int coff, int compno, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_stream_private_t *cio,
  91               opj_event_mgr_t * p_manager )
  92 {
  93   int tileno, version, i, nmax, size_of_coding; /* 4 or 8 */
  94   opj_tile_info_t *tile_Idx;
  95   opj_packet_info_t packet;
  96   int resno, precno, layno, num_packet;
  97   int numOfres, numOfprec, numOflayers;
  98   OPJ_BYTE l_data_header [8];
  99   OPJ_OFF_T lenp;
 100   OPJ_UINT32 len;
 101
 102   packet.end_ph_pos = packet.start_pos = -1;
 103   (void)EPHused; /* unused ? */
 104
 105
 106   if( j2klen > pow( 2, 32)){
 107     size_of_coding =  8;
 108     version = 1;
 109   }
 110   else{
 111     size_of_coding = 4;
 112     version = 0;
 113   }
 114
 115   lenp = opj_stream_tell(cio);
 116   opj_stream_skip(cio, 4, p_manager);         /* L [at the end]      */
 117   opj_write_bytes(l_data_header,JPIP_FAIX,4); /* FAIX */
 118   opj_stream_write_data(cio,l_data_header,4,p_manager);
 119   opj_write_bytes(l_data_header,version,1);   /* Version 0 = 4 bytes */
 120   opj_stream_write_data(cio,l_data_header,1,p_manager);
 121
 122   nmax = 0;
 123   for( i=0; i<=cstr_info.numdecompos[compno]; i++)
 124     nmax += cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] * cstr_info.numlayers;
 125
 126   opj_write_bytes(l_data_header,nmax,size_of_coding);         /* NMAX           */
 127   opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
 128   opj_write_bytes(l_data_header,cstr_info.tw*cstr_info.th,size_of_coding);  /* M              */
 129   opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
 130
 131   for( tileno=0; tileno<cstr_info.tw*cstr_info.th; tileno++){
 132     tile_Idx = &cstr_info.tile[ tileno];
 133
 134     num_packet = 0;
 135     numOfres = cstr_info.numdecompos[compno] + 1;
 136
 137     for( resno=0; resno<numOfres ; resno++){
 138       numOfprec = tile_Idx->pw[resno]*tile_Idx->ph[resno];
 139       for( precno=0; precno<numOfprec; precno++){
 140         numOflayers = cstr_info.numlayers;
 141         for( layno=0; layno<numOflayers; layno++){
 142
 143           switch ( cstr_info.prog){
 144           case LRCP:
 145             packet = tile_Idx->packet[ ((layno*numOfres+resno)*cstr_info.numcomps+compno)*numOfprec+precno];
 146             break;
 147           case RLCP:
 148             packet = tile_Idx->packet[ ((resno*numOflayers+layno)*cstr_info.numcomps+compno)*numOfprec+precno];
 149             break;
 150           case RPCL:
 151             packet = tile_Idx->packet[ ((resno*numOfprec+precno)*cstr_info.numcomps+compno)*numOflayers+layno];
 152             break;
 153           case PCRL:
 154             packet = tile_Idx->packet[ ((precno*cstr_info.numcomps+compno)*numOfres+resno)*numOflayers + layno];
 155             break;
 156           case CPRL:
 157             packet = tile_Idx->packet[ ((compno*numOfprec+precno)*numOfres+resno)*numOflayers + layno];
 158             break;
 159           default:
 160             fprintf( stderr, "failed to ppix indexing\n");
 161           }
 162
 163     opj_write_bytes(l_data_header,(OPJ_UINT32)(packet.start_pos-coff),size_of_coding);            /* start position */
 164     opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
 165     opj_write_bytes(l_data_header,(OPJ_UINT32)(packet.end_ph_pos-packet.start_pos+1),size_of_coding); /* length         */
 166     opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
 167
 168           num_packet++;
 169         }
 170       }
 171     }
 172
 173     /* PADDING */
 174     while( num_packet < nmax){
 175       opj_write_bytes(l_data_header,0,size_of_coding);/* start position            */
 176       opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
 177       opj_write_bytes(l_data_header,0,size_of_coding);/* length                    */
 178       opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
 179       num_packet++;
 180     }
 181   }
 182
 183   len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp);
 184   opj_stream_seek(cio, lenp,p_manager);
 185   opj_write_bytes(l_data_header,len,4);/* L  */
 186   opj_stream_write_data(cio,l_data_header,4,p_manager);
 187   opj_stream_seek(cio, lenp+len,p_manager);
 188
 189   return len;
 190 }