/*
* $Id: phix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, 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 "opj_includes.h"
/*
* Write faix box of phix
*
* @param[in] coff offset of j2k codestream
* @param[in] compno component number
* @param[in] cstr_info codestream information
* @param[in] EPHused true if if EPH option used
* @param[in] j2klen length of j2k codestream
* @param[in] cio file output handle
* @return length of faix box
*/
int opj_write_phix(int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused,
int j2klen, opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [8];
OPJ_UINT32 len, compno, i;
opj_jp2_box_t *box;
OPJ_OFF_T lenp = 0;
box = (opj_jp2_box_t *)opj_calloc((size_t)cstr_info.numcomps,
sizeof(opj_jp2_box_t));
if (box == NULL) {
return 0;
}
for (i = 0; i < 2; i++) {
if (i) {
opj_stream_seek(cio, lenp, p_manager);
}
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_PHIX, 4); /* PHIX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_manf((int)i, cstr_info.numcomps, box, cio, p_manager);
for (compno = 0; compno < (OPJ_UINT32)cstr_info.numcomps; compno++) {
box[compno].length = (OPJ_UINT32)opj_write_phixfaix(coff, (int)compno,
cstr_info, EPHused, j2klen, cio, p_manager);
box[compno].type = JPIP_FAIX;
}
len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
opj_stream_seek(cio, 4, p_manager);
opj_write_bytes(l_data_header, len, 4); /* L */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_stream_seek(cio, lenp + len, p_manager);
}
opj_free(box);
return (int)len;
}
int opj_write_phixfaix(int coff, int compno, opj_codestream_info_t cstr_info,
OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 tileno, version, i, nmax, size_of_coding; /* 4 or 8 */
opj_tile_info_t *tile_Idx;
opj_packet_info_t packet;
int resno, precno, layno;
OPJ_UINT32 num_packet;
int numOfres, numOfprec, numOflayers;
OPJ_BYTE l_data_header [8];
OPJ_OFF_T lenp;
OPJ_UINT32 len;
packet.end_ph_pos = packet.start_pos = -1;
(void)EPHused; /* unused ? */
if (j2klen > pow(2, 32)) {
size_of_coding = 8;
version = 1;
} else {
size_of_coding = 4;
version = 0;
}
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_bytes(l_data_header, version, 1); /* Version 0 = 4 bytes */
opj_stream_write_data(cio, l_data_header, 1, p_manager);
nmax = 0;
for (i = 0; i <= (OPJ_UINT32)cstr_info.numdecompos[compno]; i++) {
nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] *
cstr_info.numlayers);
}
opj_write_bytes(l_data_header, nmax, size_of_coding); /* NMAX */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th),
size_of_coding); /* M */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
for (tileno = 0; tileno < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); tileno++) {
tile_Idx = &cstr_info.tile[ tileno];
num_packet = 0;
numOfres = cstr_info.numdecompos[compno] + 1;
for (resno = 0; resno < numOfres ; resno++) {
numOfprec = tile_Idx->pw[resno] * tile_Idx->ph[resno];
for (precno = 0; precno < numOfprec; precno++) {
numOflayers = cstr_info.numlayers;
for (layno = 0; layno < numOflayers; layno++) {
switch (cstr_info.prog) {
case OPJ_LRCP:
packet = tile_Idx->packet[((layno * numOfres + resno) * cstr_info.numcomps +
compno) * numOfprec + precno];
break;
case OPJ_RLCP:
packet = tile_Idx->packet[((resno * numOflayers + layno) * cstr_info.numcomps +
compno) * numOfprec + precno];
break;
case OPJ_RPCL:
packet = tile_Idx->packet[((resno * numOfprec + precno) * cstr_info.numcomps +
compno) * numOflayers + layno];
break;
case OPJ_PCRL:
packet = tile_Idx->packet[((precno * cstr_info.numcomps + compno) * numOfres +
resno) * numOflayers + layno];
break;
case OPJ_CPRL:
packet = tile_Idx->packet[((compno * numOfprec + precno) * numOfres + resno) *
numOflayers + layno];
break;
default:
fprintf(stderr, "failed to ppix indexing\n");
}
opj_write_bytes(l_data_header, (OPJ_UINT32)(packet.start_pos - coff),
size_of_coding); /* start position */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
opj_write_bytes(l_data_header,
(OPJ_UINT32)(packet.end_ph_pos - packet.start_pos + 1),
size_of_coding); /* length */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
num_packet++;
}
}
}
/* PADDING */
while (num_packet < nmax) {
opj_write_bytes(l_data_header, 0,
size_of_coding); /* start position */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
opj_write_bytes(l_data_header, 0,
size_of_coding); /* length */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
num_packet++;
}
}
len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
opj_stream_seek(cio, lenp, p_manager);
opj_write_bytes(l_data_header, len, 4); /* L */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_stream_seek(cio, lenp + len, p_manager);
return (int)len;
}