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src/Source/LibOpenJPEG/cidx_manager.c  view on Meta::CPAN

/*
 * $Id: cidx_manager.c,v 1.4 2014/03/16 12:29:51 drolon Exp $
 *
 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2011, 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));

  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);
  }