openjpeg/src/lib/openjpip/jpipstream_manager.c

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/*
* $Id$
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, Professor Benoit Macq
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "jpipstream_manager.h"
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#include "jp2k_encoder.h"
#include "jp2k_decoder.h"
#include "ihdrbox_manager.h"
#include "j2kheader_manager.h"
Byte_t * update_JPIPstream(Byte_t *newstream, OPJ_SIZE_T newstreamlen,
Byte_t *cache_stream, OPJ_SIZE_T *streamlen)
{
Byte_t *stream = (Byte_t *)opj_malloc((*streamlen) + newstreamlen);
if (*streamlen > 0) {
memcpy(stream, cache_stream, *streamlen);
}
memcpy(stream + (*streamlen), newstream, newstreamlen);
*streamlen += newstreamlen;
if (cache_stream) {
opj_free(cache_stream);
}
return stream;
}
void save_codestream(Byte_t *codestream, OPJ_SIZE_T streamlen, const char *fmt)
{
time_t timer;
struct tm *t_st;
char filename[20];
FILE *fp;
time(&timer);
t_st = localtime(&timer);
sprintf(filename, "%4d%02d%02d%02d%02d%02d.%.3s", t_st->tm_year + 1900,
t_st->tm_mon + 1, t_st->tm_mday, t_st->tm_hour, t_st->tm_min, t_st->tm_sec,
fmt);
fp = fopen(filename, "wb");
if (fwrite(codestream, streamlen, 1, fp) != 1) {
fprintf(stderr, "Error: failed to write codestream to file %s\n", filename);
}
fclose(fp);
}
Byte_t * jpipstream_to_pnm(Byte_t *jpipstream, msgqueue_param_t *msgqueue,
Byte8_t csn, int fw, int fh, ihdrbox_param_t **ihdrbox)
{
Byte_t *pnmstream;
Byte_t *j2kstream; /* j2k or jp2 codestream */
Byte8_t j2klen;
size_t retlen;
FILE *fp;
const char j2kfname[] = "tmp.j2k";
fp = fopen(j2kfname, "w+b");
if (!fp) {
return NULL;
}
j2kstream = recons_j2k(msgqueue, jpipstream, csn, fw, fh, &j2klen);
if (!j2kstream) {
fclose(fp);
remove(j2kfname);
return NULL;
}
retlen = fwrite(j2kstream, 1, j2klen, fp);
opj_free(j2kstream);
fclose(fp);
if (retlen != j2klen) {
remove(j2kfname);
return NULL;
}
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pnmstream = j2k_to_pnm(j2kfname, ihdrbox);
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remove(j2kfname);
return pnmstream;
}
ihdrbox_param_t * get_SIZ_from_jpipstream(Byte_t *jpipstream,
msgqueue_param_t *msgqueue, Byte8_t csn)
{
ihdrbox_param_t *ihdrbox;
Byte_t *j2kstream;
Byte8_t j2klen;
SIZmarker_param_t SIZ;
j2kstream = recons_j2kmainhead(msgqueue, jpipstream, csn, &j2klen);
if (!get_mainheader_from_j2kstream(j2kstream, &SIZ, NULL)) {
opj_free(j2kstream);
return NULL;
}
ihdrbox = (ihdrbox_param_t *)opj_malloc(sizeof(ihdrbox_param_t));
ihdrbox->width = SIZ.Xsiz;
ihdrbox->height = SIZ.Ysiz;
ihdrbox->nc = SIZ.Csiz;
ihdrbox->bpc = SIZ.Ssiz[0];
opj_free(j2kstream);
return ihdrbox;
}