openjpeg/applications/jpip/libopenjpip/jpipstream_manager.c

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/*
* $Id$
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, 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, int newstreamlen, Byte_t *cache_stream, int *streamlen)
{
Byte_t *stream = (Byte_t *)malloc( (*streamlen)+newstreamlen);
if( *streamlen > 0)
memcpy( stream, cache_stream, *streamlen);
memcpy( stream+(*streamlen), newstream, newstreamlen);
*streamlen += newstreamlen;
if(cache_stream)
free( cache_stream);
return stream;
}
void save_codestream( Byte_t *codestream, Byte8_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;
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FILE *fp;
char j2kfname[] = "tmp.j2k";
j2kstream = recons_j2k( msgqueue, jpipstream, csn, fw, fh, &j2klen);
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fp = fopen( j2kfname, "w+b");
fwrite( j2kstream, j2klen, 1, fp);
free( j2kstream);
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fseek( fp, 0, SEEK_SET);
pnmstream = j2k_to_pnm( fp, ihdrbox);
fclose( fp);
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)){
free( j2kstream);
return NULL;
}
ihdrbox = (ihdrbox_param_t *)malloc( sizeof(ihdrbox_param_t));
ihdrbox->width = SIZ.Xsiz;
ihdrbox->height = SIZ.Ysiz;
ihdrbox->nc = SIZ.Csiz;
ihdrbox->bpc = SIZ.Ssiz[0];
free( j2kstream);
return ihdrbox;
}