openjpeg/applications/jpip/libopenjpip/jpipstream_manager.c

/*
 * $Id$
 *
 * 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"
#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;
  FILE *fp;
  char j2kfname[] = "tmp.j2k";

  j2kstream = recons_j2k( msgqueue, jpipstream, csn, fw, fh, &j2klen); 

  fp = fopen( j2kfname, "w+b");
  fwrite( j2kstream, j2klen, 1, fp);
  free( j2kstream);
  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;
}