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openjpeg/src/lib/openjp2/cidx_manager.c

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/*
* $Id: cidx_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.
*/
#include "opj_includes.h"
/*
* Write CPTR Codestream finder box
*
* @param[in] coff offset of j2k codestream
* @param[in] clen length of j2k codestream
* @param[in] cio file output handle
*/
void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio,
opj_event_mgr_t * p_manager);
int opj_write_cidx(int offset, opj_stream_private_t *cio,
opj_codestream_info_t cstr_info, int j2klen,
opj_event_mgr_t * p_manager)
{
int i;
OPJ_OFF_T lenp;
OPJ_UINT32 len;
opj_jp2_box_t *box;
int num_box = 0;
OPJ_BOOL EPHused;
OPJ_BYTE l_data_header [4];
lenp = -1;
box = (opj_jp2_box_t *)opj_calloc(32, 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_CIDX, 4); /* CIDX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_cptr(offset, cstr_info.codestream_size, cio, p_manager);
opj_write_manf(i, num_box, box, cio, p_manager);
num_box = 0;
box[num_box].length = (OPJ_UINT32)opj_write_mainmhix(offset, cstr_info, cio,
p_manager);
box[num_box].type = JPIP_MHIX;
num_box++;
box[num_box].length = (OPJ_UINT32)opj_write_tpix(offset, cstr_info, j2klen, cio,
p_manager);
box[num_box].type = JPIP_TPIX;
num_box++;
box[num_box].length = (OPJ_UINT32)opj_write_thix(offset, cstr_info, cio,
p_manager);
box[num_box].type = JPIP_THIX;
num_box++;
EPHused = opj_check_EPHuse(offset, cstr_info.marker, cstr_info.marknum, cio,
p_manager);
box[num_box].length = (OPJ_UINT32)opj_write_ppix(offset, cstr_info, EPHused,
j2klen, cio, p_manager);
box[num_box].type = JPIP_PPIX;
num_box++;
box[num_box].length = (OPJ_UINT32)opj_write_phix(offset, cstr_info, EPHused,
j2klen, cio, p_manager);
box[num_box].type = JPIP_PHIX;
num_box++;
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);
}
opj_free(box);
return (int)len;
}
void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [3 * 8];
OPJ_UINT32 len;
OPJ_OFF_T lenp;
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_CPTR, 4); /* T */
opj_write_bytes(l_data_header + 4, 0, 2); /* DR A PRECISER !! */
opj_write_bytes(l_data_header + 6, 0, 2); /* CONT */
opj_write_bytes(l_data_header + 8, (OPJ_UINT32)coff,
8); /* COFF A PRECISER !! */
opj_write_bytes(l_data_header + 16, (OPJ_UINT32)clen,
8); /* CLEN */
opj_stream_write_data(cio, l_data_header, 3 * 8, p_manager);
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);
}
void opj_write_manf(int second,
int v,
opj_jp2_box_t *box,
opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [4];
int i;
OPJ_UINT32 len;
OPJ_OFF_T lenp;
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_MANF, 4); /* T */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
if (second) { /* Write only during the second pass */
for (i = 0; i < v; i++) {
opj_write_bytes(l_data_header, box[i].length,
4); /* Box length */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_bytes(l_data_header, box[i].type,
4); /* Box type */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
}
}
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);
}
int opj_write_mainmhix(int coff, opj_codestream_info_t cstr_info,
opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [8];
OPJ_UINT32 i;
OPJ_UINT32 len;
OPJ_OFF_T lenp;
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4,
p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_MHIX,
4); /* MHIX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_bytes(l_data_header,
(OPJ_UINT32)(cstr_info.main_head_end - cstr_info.main_head_start + 1),
8); /* TLEN */
opj_stream_write_data(cio, l_data_header, 8, p_manager);
for (i = 1; i < (OPJ_UINT32)cstr_info.marknum;
i++) { /* Marker restricted to 1 apparition, skip SOC marker */
opj_write_bytes(l_data_header, cstr_info.marker[i].type, 2);
opj_write_bytes(l_data_header + 2, 0, 2);
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.marker[i].pos - coff), 8);
opj_stream_write_data(cio, l_data_header, 8, p_manager);
opj_write_bytes(l_data_header, (OPJ_UINT32)cstr_info.marker[i].len, 2);
opj_stream_write_data(cio, l_data_header, 2, p_manager);
}
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;
}
OPJ_BOOL opj_check_EPHuse(int coff, opj_marker_info_t *markers, int marknum,
opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [4];
OPJ_BOOL EPHused = OPJ_FALSE;
int i = 0;
OPJ_OFF_T org_pos;
unsigned int Scod;
for (i = 0; i < marknum; i++) {
if (markers[i].type == J2K_MS_COD) {
org_pos = opj_stream_tell(cio);
opj_stream_seek(cio, coff + markers[i].pos + 2, p_manager);
opj_stream_read_data(cio, l_data_header, 1, p_manager);
opj_read_bytes(l_data_header, &Scod, 1);
if (((Scod >> 2) & 1)) {
EPHused = OPJ_TRUE;
}
opj_stream_seek(cio, org_pos, p_manager);
break;
}
}
return EPHused;
}
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