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