147 lines
5.0 KiB
C
Executable File
147 lines
5.0 KiB
C
Executable File
/*
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* $Id: ppix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
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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 <stdlib.h>
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#include <math.h>
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#include "opj_includes.h"
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/*
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* Write faix box of ppix
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*
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* @param[in] coff offset of j2k codestream
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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] EPHused true if if EPH option used
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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_ppixfaix( int coff, int compno, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_cio_t *cio);
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int write_ppix( int coff, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_cio_t *cio)
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{
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int len, lenp, compno, i;
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opj_jp2_box_t *box;
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// printf("cstr_info.packno %d\n", cstr_info.packno); //NMAX?
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box = (opj_jp2_box_t *)opj_calloc( cstr_info.numcomps, sizeof(opj_jp2_box_t));
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for (i=0;i<2;i++){
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if (i) cio_seek( cio, 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_PPIX, 4); /* PPIX */
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write_manf( i, cstr_info.numcomps, box, cio);
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for (compno=0; compno<cstr_info.numcomps; compno++){
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box[compno].length = write_ppixfaix( coff, compno, cstr_info, EPHused, j2klen, cio);
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box[compno].type = JPIP_FAIX;
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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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}
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opj_free(box);
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return len;
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}
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// NMAX might be wrong , phix too, do sth to correction
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int write_ppixfaix( int coff, int compno, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_cio_t *cio)
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{
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int len, lenp;
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int tileno, resno, precno, layno, num_packet=0;
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int size_of_coding; // 4 or 8
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int version;
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if( j2klen > pow( 2, 32)){
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size_of_coding = 8;
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version = 1;
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}
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else{
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size_of_coding = 4;
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version = 0;
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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_write( cio, cstr_info.packno, size_of_coding); /* NMAX */
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cio_write( cio, cstr_info.tw*cstr_info.th, size_of_coding); /* M */
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for( tileno=0; tileno<cstr_info.tw*cstr_info.th; tileno++){
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opj_tile_info_t *tile_Idx = &cstr_info.tile[ tileno];
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// int correction = EPHused ? 3 : 1;
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num_packet=0;
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for( resno=0; resno< cstr_info.numdecompos[compno]+1; resno++){
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for( precno=0; precno<tile_Idx->pw[resno]*tile_Idx->ph[resno]; precno++){
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for( layno=0; layno<cstr_info.numlayers; layno++){
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opj_packet_info_t packet = tile_Idx->packet[num_packet];
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cio_write( cio, packet.start_pos-coff, size_of_coding); /* start position */
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cio_write( cio, packet.end_pos-packet.start_pos+1, size_of_coding); /* length */
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num_packet++;
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}
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}
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}
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/* PADDING */
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while( num_packet < cstr_info.packno){
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cio_write( cio, 0, size_of_coding); /* start position */
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cio_write( cio, 0, size_of_coding); /* length */
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num_packet++;
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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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