/src/freeimage-svn/FreeImage/trunk/Source/LibOpenJPEG/jp2.c

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/*
 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2007, Professor Benoit Macq
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * Copyright (c) 2010-2011, Kaori Hagihara
 * Copyright (c) 2008;2011-2012, Centre National d'Etudes Spatiales (CNES), France 
 * Copyright (c) 2012, CS Systemes d'Information, France
 * 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"

/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
/*@{*/

#define OPJ_BOX_SIZE  1024

/** @name Local static functions */
/*@{*/

/*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/

/**
 * Reads a IHDR box - Image Header box
 *
 * @param p_image_header_data     pointer to actual data (already read from file)
 * @param jp2             the jpeg2000 file codec.
 * @param p_image_header_size     the size of the image header
 * @param p_manager         the user event manager.
 *
 * @return  true if the image header is valid, false else.
 */
static OPJ_BOOL opj_jp2_read_ihdr(  opj_jp2_t *jp2,
                                    OPJ_BYTE *p_image_header_data,
                                    OPJ_UINT32 p_image_header_size,
                                    opj_event_mgr_t * p_manager );

/**
 * Writes the Image Header box - Image Header box.
 *
 * @param jp2         jpeg2000 file codec.
 * @param p_nb_bytes_written  pointer to store the nb of bytes written by the function.
 *
 * @return  the data being copied.
*/
static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
                                     OPJ_UINT32 * p_nb_bytes_written );

/**
 * Writes the Bit per Component box.
 *
 * @param jp2           jpeg2000 file codec.
 * @param p_nb_bytes_written    pointer to store the nb of bytes written by the function.
 *
 * @return  the data being copied.
*/
static OPJ_BYTE * opj_jp2_write_bpcc( opj_jp2_t *jp2,
                        OPJ_UINT32 * p_nb_bytes_written );

/**
 * Reads a Bit per Component box.
 *
 * @param p_bpc_header_data     pointer to actual data (already read from file)
 * @param jp2             the jpeg2000 file codec.
 * @param p_bpc_header_size     the size of the bpc header
 * @param p_manager         the user event manager.
 *
 * @return  true if the bpc header is valid, fale else.
 */
static OPJ_BOOL opj_jp2_read_bpcc(  opj_jp2_t *jp2,
                                    OPJ_BYTE * p_bpc_header_data,
                                    OPJ_UINT32 p_bpc_header_size,
                                    opj_event_mgr_t * p_manager );

static OPJ_BOOL opj_jp2_read_cdef(  opj_jp2_t * jp2,
                                    OPJ_BYTE * p_cdef_header_data,
                  OPJ_UINT32 p_cdef_header_size,
                  opj_event_mgr_t * p_manager );

static void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color);

/**
 * Writes the Colour Specification box.
 *
 * @param jp2         jpeg2000 file codec.
 * @param p_nb_bytes_written  pointer to store the nb of bytes written by the function.
 *
 * @return  the data being copied.
*/
static OPJ_BYTE * opj_jp2_write_colr(   opj_jp2_t *jp2,
                      OPJ_UINT32 * p_nb_bytes_written );

/**
 * Writes a FTYP box - File type box
 *
 * @param cio     the stream to write data to.
 * @param jp2     the jpeg2000 file codec.
 * @param p_manager the user event manager.
 *
 * @return  true if writing was successful.
 */
static OPJ_BOOL opj_jp2_write_ftyp( opj_jp2_t *jp2,
                  opj_stream_private_t *cio,
                  opj_event_mgr_t * p_manager );

/**
 * Reads a a FTYP box - File type box
 *
 * @param p_header_data the data contained in the FTYP box.
 * @param jp2       the jpeg2000 file codec.
 * @param p_header_size the size of the data contained in the FTYP box.
 * @param p_manager   the user event manager.
 *
 * @return true if the FTYP box is valid.
 */
static OPJ_BOOL opj_jp2_read_ftyp(  opj_jp2_t *jp2,
                  OPJ_BYTE * p_header_data,
                  OPJ_UINT32 p_header_size,
                  opj_event_mgr_t * p_manager );

OPJ_BOOL opj_jp2_skip_jp2c( opj_jp2_t *jp2,
                opj_stream_private_t *cio,
                opj_event_mgr_t * p_manager );

/**
 * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
 *
 * @param p_header_data the data contained in the file header box.
 * @param jp2       the jpeg2000 file codec.
 * @param p_header_size the size of the data contained in the file header box.
 * @param p_manager   the user event manager.
 *
 * @return true if the JP2 Header box was successfully reconized.
*/
static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
                                    OPJ_BYTE *p_header_data,
                                    OPJ_UINT32 p_header_size,
                                    opj_event_mgr_t * p_manager );

/**
 * Writes the Jpeg2000 codestream Header box - JP2C Header box. This function must be called AFTER the coding has been done.
 *
 * @param cio     the stream to write data to.
 * @param jp2     the jpeg2000 file codec.
 * @param p_manager user event manager.
 *
 * @return true if writing was successful.
*/
static OPJ_BOOL opj_jp2_write_jp2c( opj_jp2_t *jp2,
                    opj_stream_private_t *cio,
                    opj_event_mgr_t * p_manager );

#ifdef USE_JPIP
/**
 * Write index Finder box
 * @param cio     the stream to write to.
 * @param jp2     the jpeg2000 file codec.
 * @param p_manager user event manager.
*/
static OPJ_BOOL opj_jpip_write_iptr(  opj_jp2_t *jp2,
                    opj_stream_private_t *cio,
                    opj_event_mgr_t * p_manager );

/**
 * Write index Finder box
 * @param cio     the stream to write to.
 * @param jp2     the jpeg2000 file codec.
 * @param p_manager user event manager.
 */
static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
  opj_stream_private_t *cio,
  opj_event_mgr_t * p_manager );

/**
 * Write file Index (superbox)
 * @param cio     the stream to write to.
 * @param jp2     the jpeg2000 file codec.
 * @param p_manager user event manager.
 */
static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
  opj_stream_private_t *cio,
  opj_event_mgr_t * p_manager );
#endif /* USE_JPIP */

/**
 * Reads a jpeg2000 file signature box.
 *
 * @param p_header_data the data contained in the signature box.
 * @param jp2       the jpeg2000 file codec.
 * @param p_header_size the size of the data contained in the signature box.
 * @param p_manager   the user event manager.
 *
 * @return true if the file signature box is valid.
 */
static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
                                OPJ_BYTE * p_header_data,
                                OPJ_UINT32 p_header_size,
                                opj_event_mgr_t * p_manager);

/**
 * Writes a jpeg2000 file signature box.
 *
 * @param cio the stream to write data to.
 * @param jp2     the jpeg2000 file codec.
 * @param p_manager the user event manager.
 *
 * @return true if writing was successful.
 */
static OPJ_BOOL opj_jp2_write_jp( opj_jp2_t *jp2,
                          opj_stream_private_t *cio,
                        opj_event_mgr_t * p_manager );

/**
Apply collected palette data
@param color Collector for profile, cdef and pclr data
@param image
*/
static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color);

static void opj_jp2_free_pclr(opj_jp2_color_t *color);

/**
 * Collect palette data
 *
 * @param jp2 JP2 handle
 * @param p_pclr_header_data    FIXME DOC
 * @param p_pclr_header_size    FIXME DOC
 * @param p_manager
 *
 * @return Returns true if successful, returns false otherwise
*/
static OPJ_BOOL opj_jp2_read_pclr(  opj_jp2_t *jp2,
                                    OPJ_BYTE * p_pclr_header_data,
                                    OPJ_UINT32 p_pclr_header_size,
                                    opj_event_mgr_t * p_manager );

/**
 * Collect component mapping data
 *
 * @param jp2                 JP2 handle
 * @param p_cmap_header_data  FIXME DOC
 * @param p_cmap_header_size  FIXME DOC
 * @param p_manager           FIXME DOC
 *
 * @return Returns true if successful, returns false otherwise
*/

static OPJ_BOOL opj_jp2_read_cmap(  opj_jp2_t * jp2,
                                    OPJ_BYTE * p_cmap_header_data,
                                    OPJ_UINT32 p_cmap_header_size,
                                    opj_event_mgr_t * p_manager );

/**
 * Reads the Color Specification box.
 *
 * @param p_colr_header_data      pointer to actual data (already read from file)
 * @param jp2             the jpeg2000 file codec.
 * @param p_colr_header_size      the size of the color header
 * @param p_manager         the user event manager.
 *
 * @return  true if the bpc header is valid, fale else.
*/
static OPJ_BOOL opj_jp2_read_colr(  opj_jp2_t *jp2,
                                    OPJ_BYTE * p_colr_header_data,
                                    OPJ_UINT32 p_colr_header_size,
                                    opj_event_mgr_t * p_manager );

/*@}*/

/*@}*/

/**
 * Sets up the procedures to do on writing header after the codestream.
 * Developpers wanting to extend the library can add their own writing procedures.
 */
static void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2);

/**
 * Sets up the procedures to do on reading header after the codestream.
 * Developpers wanting to extend the library can add their own writing procedures.
 */
static void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2);

/**
 * Reads a jpeg2000 file header structure.
 *
 * @param jp2 the jpeg2000 file header structure.
 * @param stream the stream to read data from.
 * @param p_manager the user event manager.
 *
 * @return true if the box is valid.
 */
static OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
                                                opj_stream_private_t *stream,
                                                opj_event_mgr_t * p_manager );

/**
 * Excutes the given procedures on the given codec.
 *
 * @param p_procedure_list  the list of procedures to execute
 * @param jp2         the jpeg2000 file codec to execute the procedures on.
 * @param stream          the stream to execute the procedures on.
 * @param p_manager     the user manager.
 *
 * @return  true        if all the procedures were successfully executed.
 */
static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
                                opj_procedure_list_t * p_procedure_list,
                                opj_stream_private_t *stream,
                                opj_event_mgr_t * p_manager );

/**
 * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure.
 *
 * @param cio           the input stream to read data from.
 * @param box           the box structure to fill.
 * @param p_number_bytes_read   pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 * @param p_manager       user event manager.
 *
 * @return  true if the box is reconized, false otherwise
*/
static OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
                                    OPJ_UINT32 * p_number_bytes_read,
                                    opj_stream_private_t *cio,
                                    opj_event_mgr_t * p_manager);

/**
 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 * are valid. Developpers wanting to extend the library can add their own validation procedures.
 */
static void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2);

/**
 * Sets up the procedures to do on writing header. Developpers wanting to extend the library can add their own writing procedures.
 */
static void opj_jp2_setup_header_writing (opj_jp2_t *jp2);

OPJ_BOOL opj_jp2_default_validation ( opj_jp2_t * jp2,
                                        opj_stream_private_t *cio,
                                        opj_event_mgr_t * p_manager );

/**
 * Finds the image execution function related to the given box id.
 *
 * @param p_id  the id of the handler to fetch.
 *
 * @return  the given handler or NULL if it could not be found.
 */
static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id);

/**
 * Finds the execution function related to the given box id.
 *
 * @param p_id  the id of the handler to fetch.
 *
 * @return  the given handler or NULL if it could not be found.
 */
static const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id );

const opj_jp2_header_handler_t jp2_header [] =
{
  {JP2_JP,opj_jp2_read_jp},
  {JP2_FTYP,opj_jp2_read_ftyp},
  {JP2_JP2H,opj_jp2_read_jp2h}
};

const opj_jp2_header_handler_t jp2_img_header [] =
{
  {JP2_IHDR,opj_jp2_read_ihdr},
  {JP2_COLR,opj_jp2_read_colr},
  {JP2_BPCC,opj_jp2_read_bpcc},
  {JP2_PCLR,opj_jp2_read_pclr},
  {JP2_CMAP,opj_jp2_read_cmap},
  {JP2_CDEF,opj_jp2_read_cdef}

};

/**
 * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string
 *
 * @param box           the box structure to fill.
 * @param p_data          the character string to read data from.
 * @param p_number_bytes_read   pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 * @param p_box_max_size      the maximum number of bytes in the box.
 * @param p_manager         FIXME DOC
 *
 * @return  true if the box is reconized, false otherwise
*/
static OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
                                            OPJ_BYTE * p_data,
                                            OPJ_UINT32 * p_number_bytes_read,
                                            OPJ_UINT32 p_box_max_size,
                                            opj_event_mgr_t * p_manager );

/**
 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 * are valid. Developpers wanting to extend the library can add their own validation procedures.
 */
static void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2);

/**
 * Sets up the procedures to do on reading header.
 * Developpers wanting to extend the library can add their own writing procedures.
 */
static void opj_jp2_setup_header_reading (opj_jp2_t *jp2);

/* ----------------------------------------------------------------------- */
 OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
                              OPJ_UINT32 * p_number_bytes_read,
                              opj_stream_private_t *cio,
                              opj_event_mgr_t * p_manager )
{
  /* read header from file */
  OPJ_BYTE l_data_header [8];

  /* preconditions */
  assert(cio != 00);
  assert(box != 00);
  assert(p_number_bytes_read != 00);
  assert(p_manager != 00);

  *p_number_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager);
  if (*p_number_bytes_read != 8) {
    return OPJ_FALSE;
  }

  /* process read data */
  opj_read_bytes(l_data_header,&(box->length), 4);
  opj_read_bytes(l_data_header+4,&(box->type), 4);
    
  if(box->length == 0)/* last box */
    {
    const OPJ_OFF_T bleft = opj_stream_get_number_byte_left(cio);
    box->length = (OPJ_UINT32)bleft;
    assert( (OPJ_OFF_T)box->length == bleft );
    return OPJ_TRUE;
    }

  /* do we have a "special very large box ?" */
  /* read then the XLBox */
  if (box->length == 1) {
    OPJ_UINT32 l_xl_part_size;

    OPJ_UINT32 l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager);
    if (l_nb_bytes_read != 8) {
      if (l_nb_bytes_read > 0) {
        *p_number_bytes_read += l_nb_bytes_read;
      }

      return OPJ_FALSE;
    }

        *p_number_bytes_read = 16;
    opj_read_bytes(l_data_header,&l_xl_part_size, 4);
    if (l_xl_part_size != 0) {
      opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
      return OPJ_FALSE;
    }
    opj_read_bytes(l_data_header+4,&(box->length), 4);
  }
    return OPJ_TRUE;
}

#if 0
static void jp2_write_url(opj_cio_t *cio, char *Idx_file) {
  OPJ_UINT32 i;
  opj_jp2_box_t box;

  box.init_pos = cio_tell(cio);
  cio_skip(cio, 4);
  cio_write(cio, JP2_URL, 4); /* DBTL */
  cio_write(cio, 0, 1);   /* VERS */
  cio_write(cio, 0, 3);   /* FLAG */

  if(Idx_file) {
    for (i = 0; i < strlen(Idx_file); i++) {
      cio_write(cio, Idx_file[i], 1);
    }
  }

  box.length = cio_tell(cio) - box.init_pos;
  cio_seek(cio, box.init_pos);
  cio_write(cio, box.length, 4);  /* L */
  cio_seek(cio, box.init_pos + box.length);
}
#endif

OPJ_BOOL opj_jp2_read_ihdr( opj_jp2_t *jp2,
                            OPJ_BYTE *p_image_header_data,
                            OPJ_UINT32 p_image_header_size,
                            opj_event_mgr_t * p_manager )
{
  /* preconditions */
  assert(p_image_header_data != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  if (p_image_header_size != 14) {
    opj_event_msg(p_manager, EVT_ERROR, "Bad image header box (bad size)\n");
    return OPJ_FALSE;
  }

  opj_read_bytes(p_image_header_data,&(jp2->h),4);      /* HEIGHT */
  p_image_header_data += 4;
  opj_read_bytes(p_image_header_data,&(jp2->w),4);      /* WIDTH */
  p_image_header_data += 4;
  opj_read_bytes(p_image_header_data,&(jp2->numcomps),2);   /* NC */
  p_image_header_data += 2;

  /* allocate memory for components */
  jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
  if (jp2->comps == 0) {
    opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle image header (ihdr)\n");
    return OPJ_FALSE;
  }
  memset(jp2->comps,0,jp2->numcomps * sizeof(opj_jp2_comps_t));

  opj_read_bytes(p_image_header_data,&(jp2->bpc),1);      /* BPC */
  ++ p_image_header_data;

  opj_read_bytes(p_image_header_data,&(jp2->C),1);      /* C */
  ++ p_image_header_data;

  /* Should be equal to 7 cf. chapter about image header box of the norm */
  if (jp2->C != 7){
    opj_event_msg(p_manager, EVT_INFO, "JP2 IHDR box: compression type indicate that the file is not a conforming JP2 file (%d) \n", jp2->C);
  }

  opj_read_bytes(p_image_header_data,&(jp2->UnkC),1);     /* UnkC */
  ++ p_image_header_data;
  opj_read_bytes(p_image_header_data,&(jp2->IPR),1);      /* IPR */
  ++ p_image_header_data;

  return OPJ_TRUE;
}

OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
                              OPJ_UINT32 * p_nb_bytes_written
                              )
{
  OPJ_BYTE * l_ihdr_data,* l_current_ihdr_ptr;
  
  /* preconditions */
  assert(jp2 != 00);
  assert(p_nb_bytes_written != 00);

  /* default image header is 22 bytes wide */
  l_ihdr_data = (OPJ_BYTE *) opj_malloc(22);
  if (l_ihdr_data == 00) {
    return 00;
  }
  memset(l_ihdr_data,0,22);

  l_current_ihdr_ptr = l_ihdr_data;
  
  opj_write_bytes(l_current_ihdr_ptr,22,4);        /* write box size */
  l_current_ihdr_ptr+=4;

  opj_write_bytes(l_current_ihdr_ptr,JP2_IHDR, 4);   /* IHDR */
  l_current_ihdr_ptr+=4;
  
  opj_write_bytes(l_current_ihdr_ptr,jp2->h, 4);   /* HEIGHT */
  l_current_ihdr_ptr+=4;
  
  opj_write_bytes(l_current_ihdr_ptr, jp2->w, 4);    /* WIDTH */
  l_current_ihdr_ptr+=4;
  
  opj_write_bytes(l_current_ihdr_ptr, jp2->numcomps, 2);   /* NC */
  l_current_ihdr_ptr+=2;
  
  opj_write_bytes(l_current_ihdr_ptr, jp2->bpc, 1);    /* BPC */
  ++l_current_ihdr_ptr;
  
  opj_write_bytes(l_current_ihdr_ptr, jp2->C, 1);    /* C : Always 7 */
  ++l_current_ihdr_ptr;
  
  opj_write_bytes(l_current_ihdr_ptr, jp2->UnkC, 1);   /* UnkC, colorspace unknown */
  ++l_current_ihdr_ptr;
  
  opj_write_bytes(l_current_ihdr_ptr, jp2->IPR, 1);    /* IPR, no intellectual property */
  ++l_current_ihdr_ptr;
  
  *p_nb_bytes_written = 22;
  
  return l_ihdr_data;
}

OPJ_BYTE * opj_jp2_write_bpcc(  opj_jp2_t *jp2,
                    OPJ_UINT32 * p_nb_bytes_written
                                )
{
  OPJ_UINT32 i;
  /* room for 8 bytes for box and 1 byte for each component */
  OPJ_UINT32 l_bpcc_size = 8 + jp2->numcomps;
  OPJ_BYTE * l_bpcc_data,* l_current_bpcc_ptr;
  
  /* preconditions */
  assert(jp2 != 00);
  assert(p_nb_bytes_written != 00);

  l_bpcc_data = (OPJ_BYTE *) opj_malloc(l_bpcc_size);
  if (l_bpcc_data == 00) {
    return 00;
  }
  memset(l_bpcc_data,0,l_bpcc_size);

  l_current_bpcc_ptr = l_bpcc_data;

  opj_write_bytes(l_current_bpcc_ptr,l_bpcc_size,4);       /* write box size */
  l_current_bpcc_ptr += 4;
  
  opj_write_bytes(l_current_bpcc_ptr,JP2_BPCC,4);          /* BPCC */
  l_current_bpcc_ptr += 4;

  for (i = 0; i < jp2->numcomps; ++i)  {
    opj_write_bytes(l_current_bpcc_ptr, jp2->comps[i].bpcc, 1); /* write each component information */
    ++l_current_bpcc_ptr;
  }

  *p_nb_bytes_written = l_bpcc_size;
  
  return l_bpcc_data;
}

OPJ_BOOL opj_jp2_read_bpcc( opj_jp2_t *jp2,
                            OPJ_BYTE * p_bpc_header_data,
                            OPJ_UINT32 p_bpc_header_size,
                            opj_event_mgr_t * p_manager
                            )
{
  OPJ_UINT32 i;

  /* preconditions */
  assert(p_bpc_header_data != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  
  if (jp2->bpc != 255 ){
    opj_event_msg(p_manager, EVT_WARNING, "A BPCC header box is available although BPC given by the IHDR box (%d) indicate components bit depth is constant\n",jp2->bpc);
  }

  /* and length is relevant */
  if (p_bpc_header_size != jp2->numcomps) {
    opj_event_msg(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n");
    return OPJ_FALSE;
  }

  /* read info for each component */
  for (i = 0; i < jp2->numcomps; ++i) {
    opj_read_bytes(p_bpc_header_data,&jp2->comps[i].bpcc ,1); /* read each BPCC component */
    ++p_bpc_header_data;
  }

  return OPJ_TRUE;
}

OPJ_BYTE * opj_jp2_write_colr(  opj_jp2_t *jp2,
                  OPJ_UINT32 * p_nb_bytes_written
                                )
{
  /* room for 8 bytes for box 3 for common data and variable upon profile*/
  OPJ_UINT32 l_colr_size = 11;
  OPJ_BYTE * l_colr_data,* l_current_colr_ptr;
  
  /* preconditions */
  assert(jp2 != 00);
  assert(p_nb_bytes_written != 00);
    assert(jp2->meth == 1 || jp2->meth == 2);

  switch (jp2->meth) { 
    case 1 :
      l_colr_size += 4; /* EnumCS */
      break;
    case 2 :
            assert(jp2->color.icc_profile_len); /* ICC profile */
            l_colr_size += jp2->color.icc_profile_len;
      break;
    default :
      return 00;
  }

  l_colr_data = (OPJ_BYTE *) opj_malloc(l_colr_size);
  if (l_colr_data == 00) {
    return 00;
  }
  memset(l_colr_data,0,l_colr_size);
  
  l_current_colr_ptr = l_colr_data;

  opj_write_bytes(l_current_colr_ptr,l_colr_size,4);       /* write box size */
  l_current_colr_ptr += 4;
  
  opj_write_bytes(l_current_colr_ptr,JP2_COLR,4);          /* BPCC */
  l_current_colr_ptr += 4;
  
  opj_write_bytes(l_current_colr_ptr, jp2->meth,1);        /* METH */
  ++l_current_colr_ptr;
  
  opj_write_bytes(l_current_colr_ptr, jp2->precedence,1);      /* PRECEDENCE */
  ++l_current_colr_ptr;
  
  opj_write_bytes(l_current_colr_ptr, jp2->approx,1);        /* APPROX */
  ++l_current_colr_ptr;
  
  if (jp2->meth == 1) { /* Meth value is restricted to 1 or 2 (Table I.9 of part 1) */
        opj_write_bytes(l_current_colr_ptr, jp2->enumcs,4); }       /* EnumCS */
    else {
        if (jp2->meth == 2) {                                      /* ICC profile */
            OPJ_UINT32 i;
            for(i = 0; i < jp2->color.icc_profile_len; ++i) {
                opj_write_bytes(l_current_colr_ptr, jp2->color.icc_profile_buf[i], 1);
                ++l_current_colr_ptr;
            }
        }
  }

  *p_nb_bytes_written = l_colr_size;
  
  return l_colr_data;
}

void opj_jp2_free_pclr(opj_jp2_color_t *color)
{
    opj_free(color->jp2_pclr->channel_sign);
    opj_free(color->jp2_pclr->channel_size);
    opj_free(color->jp2_pclr->entries);

  if(color->jp2_pclr->cmap) opj_free(color->jp2_pclr->cmap);

    opj_free(color->jp2_pclr); color->jp2_pclr = NULL;
}

static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *p_manager)
{
  OPJ_UINT16 i;

  /* testcase 4149.pdf.SIGSEGV.cf7.3501 */
  if (color->jp2_cdef) {
    opj_jp2_cdef_info_t *info = color->jp2_cdef->info;
    OPJ_UINT16 n = color->jp2_cdef->n;

    for (i = 0; i < n; i++) {
      if (info[i].cn >= image->numcomps) {
        opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].cn, image->numcomps);
        return OPJ_FALSE;
      }
      if (info[i].asoc > 0 && (OPJ_UINT32)(info[i].asoc - 1) >= image->numcomps) {
        opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].asoc - 1, image->numcomps);
        return OPJ_FALSE;
      }
    }
  }

  /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and
     66ea31acbb0f23a2bbc91f64d69a03f5_signal_sigsegv_13937c0_7030_5725.pdf */
  if (color->jp2_pclr && color->jp2_pclr->cmap) {
    OPJ_UINT16 nr_channels = color->jp2_pclr->nr_channels;
    opj_jp2_cmap_comp_t *cmap = color->jp2_pclr->cmap;
    OPJ_BOOL *pcol_usage, is_sane = OPJ_TRUE;

    /* verify that all original components match an existing one */
    for (i = 0; i < nr_channels; i++) {
      if (cmap[i].cmp >= image->numcomps) {
        opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", cmap[i].cmp, image->numcomps);
        is_sane = OPJ_FALSE;
      }
    }

    pcol_usage = opj_calloc(nr_channels, sizeof(OPJ_BOOL));
    if (!pcol_usage) {
      opj_event_msg(p_manager, EVT_ERROR, "Unexpected OOM.\n");
      return OPJ_FALSE;
    }
    /* verify that no component is targeted more than once */
    for (i = 0; i < nr_channels; i++) {
      OPJ_UINT16 pcol = cmap[i].pcol;
      assert(cmap[i].mtyp == 0 || cmap[i].mtyp == 1);
      if (pcol >= nr_channels) {
        opj_event_msg(p_manager, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol);
        is_sane = OPJ_FALSE;
      }
      else if (pcol_usage[pcol] && cmap[i].mtyp == 1) {
        opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol);
        is_sane = OPJ_FALSE;
      }
      else if (cmap[i].mtyp == 0 && cmap[i].pcol != 0) {
        /* I.5.3.5 PCOL: If the value of the MTYP field for this channel is 0, then
         * the value of this field shall be 0. */
        opj_event_msg(p_manager, EVT_ERROR, "Direct use at #%d however pcol=%d.\n", i, pcol);
        is_sane = OPJ_FALSE;
      }
      else
        pcol_usage[pcol] = OPJ_TRUE;
    }
    /* verify that all components are targeted at least once */
    for (i = 0; i < nr_channels; i++) {
      if (!pcol_usage[i] && cmap[i].mtyp != 0) {
        opj_event_msg(p_manager, EVT_ERROR, "Component %d doesn't have a mapping.\n", i);
        is_sane = OPJ_FALSE;
      }
    }
    opj_free(pcol_usage);
    if (!is_sane) {
      return OPJ_FALSE;
    }
  }

  return OPJ_TRUE;
}

/* file9.jp2 */
void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color)
{
  opj_image_comp_t *old_comps, *new_comps;
  OPJ_BYTE *channel_size, *channel_sign;
  OPJ_UINT32 *entries;
  opj_jp2_cmap_comp_t *cmap;
  OPJ_INT32 *src, *dst;
  OPJ_UINT32 j, max;
  OPJ_UINT16 i, nr_channels, cmp, pcol;
  OPJ_INT32 k, top_k;

  channel_size = color->jp2_pclr->channel_size;
  channel_sign = color->jp2_pclr->channel_sign;
  entries = color->jp2_pclr->entries;
  cmap = color->jp2_pclr->cmap;
  nr_channels = color->jp2_pclr->nr_channels;

  old_comps = image->comps;
  new_comps = (opj_image_comp_t*)
      opj_malloc(nr_channels * sizeof(opj_image_comp_t));

  for(i = 0; i < nr_channels; ++i) {
    pcol = cmap[i].pcol; cmp = cmap[i].cmp;

    /* Direct use */
    if(cmap[i].mtyp == 0){
      assert( pcol == 0 );
      new_comps[i] = old_comps[cmp];
    } else {
      assert( i == pcol );
      new_comps[pcol] = old_comps[cmp];
    }

    /* Palette mapping: */
    new_comps[i].data = (OPJ_INT32*)
        opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32));
    new_comps[i].prec = channel_size[i];
    new_comps[i].sgnd = channel_sign[i];
  }

  top_k = color->jp2_pclr->nr_entries - 1;

  for(i = 0; i < nr_channels; ++i) {
    /* Palette mapping: */
    cmp = cmap[i].cmp; pcol = cmap[i].pcol;
    src = old_comps[cmp].data;
    assert( src );
    max = new_comps[pcol].w * new_comps[pcol].h;

    /* Direct use: */
    if(cmap[i].mtyp == 0) {
      assert( cmp == 0 );
      dst = new_comps[i].data;
      assert( dst );
      for(j = 0; j < max; ++j) {
        dst[j] = src[j];
      }
    }
    else {
      assert( i == pcol );
      dst = new_comps[pcol].data;
      assert( dst );
      for(j = 0; j < max; ++j) {
        /* The index */
        if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k;

        /* The colour */
        dst[j] = (OPJ_INT32)entries[k * nr_channels + pcol];
        }
    }
  }

  max = image->numcomps;
  for(i = 0; i < max; ++i) {
    if(old_comps[i].data) opj_free(old_comps[i].data);
  }

  opj_free(old_comps);
  image->comps = new_comps;
  image->numcomps = nr_channels;

  opj_jp2_free_pclr(color);

}/* apply_pclr() */

OPJ_BOOL opj_jp2_read_pclr( opj_jp2_t *jp2,
                            OPJ_BYTE * p_pclr_header_data,
                            OPJ_UINT32 p_pclr_header_size,
                            opj_event_mgr_t * p_manager
                            )
{
  opj_jp2_pclr_t *jp2_pclr;
  OPJ_BYTE *channel_size, *channel_sign;
  OPJ_UINT32 *entries;
  OPJ_UINT16 nr_entries,nr_channels;
  OPJ_UINT16 i, j;
  OPJ_UINT32 l_value;
  OPJ_BYTE *orig_header_data = p_pclr_header_data;

  /* preconditions */
  assert(p_pclr_header_data != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);
    (void)p_pclr_header_size;

  if(jp2->color.jp2_pclr)
    return OPJ_FALSE;

  if (p_pclr_header_size < 3)
    return OPJ_FALSE;

  opj_read_bytes(p_pclr_header_data, &l_value , 2); /* NE */
  p_pclr_header_data += 2;
  nr_entries = (OPJ_UINT16) l_value;

  opj_read_bytes(p_pclr_header_data, &l_value , 1); /* NPC */
  ++p_pclr_header_data;
  nr_channels = (OPJ_UINT16) l_value;

  if (p_pclr_header_size < 3 + (OPJ_UINT32)nr_channels || nr_channels == 0 || nr_entries >= (OPJ_UINT32)-1 / nr_channels)
    return OPJ_FALSE;

  entries = (OPJ_UINT32*) opj_malloc((size_t)nr_channels * nr_entries * sizeof(OPJ_UINT32));
    if (!entries)
        return OPJ_FALSE;
  channel_size = (OPJ_BYTE*) opj_malloc(nr_channels);
    if (!channel_size)
    {
        opj_free(entries);
        return OPJ_FALSE;
    }
  channel_sign = (OPJ_BYTE*) opj_malloc(nr_channels);
  if (!channel_sign)
  {
        opj_free(entries);
        opj_free(channel_size);
        return OPJ_FALSE;
  }

  jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t));
    if (!jp2_pclr)
    {
        opj_free(entries);
        opj_free(channel_size);
        opj_free(channel_sign);
        return OPJ_FALSE;
    }

  jp2_pclr->channel_sign = channel_sign;
  jp2_pclr->channel_size = channel_size;
  jp2_pclr->entries = entries;
  jp2_pclr->nr_entries = nr_entries;
  jp2_pclr->nr_channels = (OPJ_BYTE) l_value;
  jp2_pclr->cmap = NULL;

  jp2->color.jp2_pclr = jp2_pclr;

  for(i = 0; i < nr_channels; ++i) {
    opj_read_bytes(p_pclr_header_data, &l_value , 1); /* Bi */
    ++p_pclr_header_data;

    channel_size[i] = (OPJ_BYTE)((l_value & 0x7f) + 1);
    channel_sign[i] = (l_value & 0x80) ? 1 : 0;
  }

  for(j = 0; j < nr_entries; ++j) {
    for(i = 0; i < nr_channels; ++i) {
      OPJ_UINT32 bytes_to_read = (OPJ_UINT32)((channel_size[i]+7)>>3);

      if (bytes_to_read > sizeof(OPJ_UINT32))
        bytes_to_read = sizeof(OPJ_UINT32);
      if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + (ptrdiff_t)bytes_to_read)
        return OPJ_FALSE;

      opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read); /* Cji */
      p_pclr_header_data += bytes_to_read;
      *entries = (OPJ_UINT32) l_value;
      entries++;
    }
  }

  return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_read_cmap( opj_jp2_t * jp2,
                            OPJ_BYTE * p_cmap_header_data,
                            OPJ_UINT32 p_cmap_header_size,
                            opj_event_mgr_t * p_manager
                            )
{
  opj_jp2_cmap_comp_t *cmap;
  OPJ_BYTE i, nr_channels;
  OPJ_UINT32 l_value;

  /* preconditions */
  assert(jp2 != 00);
  assert(p_cmap_header_data != 00);
  assert(p_manager != 00);
    (void)p_cmap_header_size;

  /* Need nr_channels: */
  if(jp2->color.jp2_pclr == NULL) {
    opj_event_msg(p_manager, EVT_ERROR, "Need to read a PCLR box before the CMAP box.\n");
    return OPJ_FALSE;
  }

  /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box
   * inside a JP2 Header box' :
  */
  if(jp2->color.jp2_pclr->cmap) {
    opj_event_msg(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n");
    return OPJ_FALSE;
  }

  nr_channels = jp2->color.jp2_pclr->nr_channels;
  if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) {
    opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n");
    return OPJ_FALSE;
  }

  cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t));
    if (!cmap)
        return OPJ_FALSE;


  for(i = 0; i < nr_channels; ++i) {
    opj_read_bytes(p_cmap_header_data, &l_value, 2);      /* CMP^i */
    p_cmap_header_data +=2;
    cmap[i].cmp = (OPJ_UINT16) l_value;

    opj_read_bytes(p_cmap_header_data, &l_value, 1);      /* MTYP^i */
    ++p_cmap_header_data;
    cmap[i].mtyp = (OPJ_BYTE) l_value;

    opj_read_bytes(p_cmap_header_data, &l_value, 1);      /* PCOL^i */
    ++p_cmap_header_data;
    cmap[i].pcol = (OPJ_BYTE) l_value;
  }

  jp2->color.jp2_pclr->cmap = cmap;

  return OPJ_TRUE;
}

void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color)
{
  opj_jp2_cdef_info_t *info;
  OPJ_UINT16 i, n, cn, asoc, acn;

  info = color->jp2_cdef->info;
  n = color->jp2_cdef->n;

  for(i = 0; i < n; ++i)
    {
    /* WATCH: acn = asoc - 1 ! */
    asoc = info[i].asoc;
    if(asoc == 0 || asoc == 65535)
      {
      if (i < image->numcomps)
        image->comps[i].alpha = info[i].typ;
      continue;
      }

    cn = info[i].cn; 
    acn = (OPJ_UINT16)(asoc - 1);
    if( cn >= image->numcomps || acn >= image->numcomps )
      {
      fprintf(stderr, "cn=%d, acn=%d, numcomps=%d\n", cn, acn, image->numcomps);
      continue;
      }

    if(cn != acn)
    {
      opj_image_comp_t saved;

      memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t));
      memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t));
      memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t));

      info[i].asoc = (OPJ_UINT16)(cn + 1);
      info[acn].asoc = (OPJ_UINT16)(info[acn].cn + 1);
    }

    image->comps[cn].alpha = info[i].typ;
  }

  if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info);

  opj_free(color->jp2_cdef); color->jp2_cdef = NULL;

}/* jp2_apply_cdef() */

OPJ_BOOL opj_jp2_read_cdef( opj_jp2_t * jp2,
                            OPJ_BYTE * p_cdef_header_data,
              OPJ_UINT32 p_cdef_header_size,
              opj_event_mgr_t * p_manager
                            )
{
  opj_jp2_cdef_info_t *cdef_info;
  OPJ_UINT16 i;
  OPJ_UINT32 l_value;

  /* preconditions */
  assert(jp2 != 00);
  assert(p_cdef_header_data != 00);
  assert(p_manager != 00);
    (void)p_cdef_header_size;

  /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box
   * inside a JP2 Header box.'*/
  if(jp2->color.jp2_cdef) return OPJ_FALSE;

  if (p_cdef_header_size < 2) {
    opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
    return OPJ_FALSE;
  }

  opj_read_bytes(p_cdef_header_data,&l_value ,2);     /* N */
  p_cdef_header_data+= 2;

  if ( (OPJ_UINT16)l_value == 0){ /* szukw000: FIXME */
    opj_event_msg(p_manager, EVT_ERROR, "Number of channel description is equal to zero in CDEF box.\n");
    return OPJ_FALSE;
  }

  if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) {
    opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
    return OPJ_FALSE;
  }

  cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof(opj_jp2_cdef_info_t));
    if (!cdef_info)
        return OPJ_FALSE;

  jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t));
    if(!jp2->color.jp2_cdef)
    {
        opj_free(cdef_info);
        return OPJ_FALSE;
    }
  jp2->color.jp2_cdef->info = cdef_info;
  jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value;

  for(i = 0; i < jp2->color.jp2_cdef->n; ++i) {
    opj_read_bytes(p_cdef_header_data, &l_value, 2);      /* Cn^i */
    p_cdef_header_data +=2;
    cdef_info[i].cn = (OPJ_UINT16) l_value;

    opj_read_bytes(p_cdef_header_data, &l_value, 2);      /* Typ^i */
    p_cdef_header_data +=2;
    cdef_info[i].typ = (OPJ_UINT16) l_value;

    opj_read_bytes(p_cdef_header_data, &l_value, 2);      /* Asoc^i */
    p_cdef_header_data +=2;
    cdef_info[i].asoc = (OPJ_UINT16) l_value;
   }

  return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2,
                            OPJ_BYTE * p_colr_header_data,
                            OPJ_UINT32 p_colr_header_size,
                            opj_event_mgr_t * p_manager
                            )
{
  OPJ_UINT32 l_value;

  /* preconditions */
  assert(jp2 != 00);
  assert(p_colr_header_data != 00);
  assert(p_manager != 00);

  if (p_colr_header_size < 3) {
    opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n");
    return OPJ_FALSE;
  }

  /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour
   * Specification boxes after the first.'
  */
  if(jp2->color.jp2_has_colr) {
    opj_event_msg(p_manager, EVT_INFO, "A conforming JP2 reader shall ignore all Colour Specification boxes after the first, so we ignore this one.\n");
    p_colr_header_data += p_colr_header_size;
    return OPJ_TRUE;
  }

  opj_read_bytes(p_colr_header_data,&jp2->meth ,1);     /* METH */
  ++p_colr_header_data;

  opj_read_bytes(p_colr_header_data,&jp2->precedence ,1);   /* PRECEDENCE */
  ++p_colr_header_data;

  opj_read_bytes(p_colr_header_data,&jp2->approx ,1);     /* APPROX */
  ++p_colr_header_data;

  if (jp2->meth == 1) {
    if (p_colr_header_size < 7) {
      opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
      return OPJ_FALSE;
    }
    if (p_colr_header_size > 7) {
      /* testcase Altona_Technical_v20_x4.pdf */
      opj_event_msg(p_manager, EVT_WARNING, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
    }

    opj_read_bytes(p_colr_header_data,&jp2->enumcs ,4);     /* EnumCS */
        
        jp2->color.jp2_has_colr = 1;
  }
  else if (jp2->meth == 2) {
    /* ICC profile */
    OPJ_INT32 it_icc_value = 0;
    OPJ_INT32 icc_len = (OPJ_INT32)p_colr_header_size - 3;

    jp2->color.icc_profile_len = (OPJ_UINT32)icc_len;
    jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_malloc((size_t)icc_len);
        if (!jp2->color.icc_profile_buf)
        {
            jp2->color.icc_profile_len = 0;
            return OPJ_FALSE;
        }
    memset(jp2->color.icc_profile_buf, 0, (size_t)icc_len * sizeof(OPJ_BYTE));

    for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value)
    {
      opj_read_bytes(p_colr_header_data,&l_value,1);    /* icc values */
      ++p_colr_header_data;
      jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value;
    }
      
        jp2->color.jp2_has_colr = 1;
  }
  else if (jp2->meth > 2)
    {
        /*  ISO/IEC 15444-1:2004 (E), Table I.9 � Legal METH values:
        conforming JP2 reader shall ignore the entire Colour Specification box.*/
        opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), " 
            "so we will ignore the entire Colour Specification box. \n", jp2->meth);
    }
    return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
                        opj_stream_private_t *p_stream,
                        opj_image_t* p_image,
                        opj_event_mgr_t * p_manager)
{
  if (!p_image)
    return OPJ_FALSE;

  /* J2K decoding */
  if( ! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager) ) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
    return OPJ_FALSE;
  }

    if (!jp2->ignore_pclr_cmap_cdef){
      if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) {
        return OPJ_FALSE;
      }

      /* Set Image Color Space */
      if (jp2->enumcs == 16)
        p_image->color_space = OPJ_CLRSPC_SRGB;
      else if (jp2->enumcs == 17)
        p_image->color_space = OPJ_CLRSPC_GRAY;
      else if (jp2->enumcs == 18)
        p_image->color_space = OPJ_CLRSPC_SYCC;
            else if (jp2->enumcs == 24)
                    p_image->color_space = OPJ_CLRSPC_EYCC;
      else
        p_image->color_space = OPJ_CLRSPC_UNKNOWN;

      /* Apply the color space if needed */
      if(jp2->color.jp2_cdef) {
        opj_jp2_apply_cdef(p_image, &(jp2->color));
      }

      if(jp2->color.jp2_pclr) {
        /* Part 1, I.5.3.4: Either both or none : */
        if( !jp2->color.jp2_pclr->cmap)
          opj_jp2_free_pclr(&(jp2->color));
        else
          opj_jp2_apply_pclr(p_image, &(jp2->color));
      }

      if(jp2->color.icc_profile_buf) {
        p_image->icc_profile_buf = jp2->color.icc_profile_buf;
        p_image->icc_profile_len = jp2->color.icc_profile_len;
        jp2->color.icc_profile_buf = NULL;
      }
    }

  return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2,
                            opj_stream_private_t *stream,
                            opj_event_mgr_t * p_manager
                            )
{
  opj_jp2_img_header_writer_handler_t l_writers [3];
  opj_jp2_img_header_writer_handler_t * l_current_writer;

  OPJ_INT32 i, l_nb_pass;
  /* size of data for super box*/
  OPJ_UINT32 l_jp2h_size = 8;
  OPJ_BOOL l_result = OPJ_TRUE;

  /* to store the data of the super box */
  OPJ_BYTE l_jp2h_data [8];
  
  /* preconditions */
  assert(stream != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  memset(l_writers,0,sizeof(l_writers));

  if (jp2->bpc == 255) {
    l_nb_pass = 3;
    l_writers[0].handler = opj_jp2_write_ihdr;
    l_writers[1].handler = opj_jp2_write_bpcc;
    l_writers[2].handler = opj_jp2_write_colr;
  }
  else {
    l_nb_pass = 2;
    l_writers[0].handler = opj_jp2_write_ihdr;
    l_writers[1].handler = opj_jp2_write_colr;
  }
  
  /* write box header */
  /* write JP2H type */
  opj_write_bytes(l_jp2h_data+4,JP2_JP2H,4);

  l_current_writer = l_writers;
  for (i=0;i<l_nb_pass;++i) {
    l_current_writer->m_data = l_current_writer->handler(jp2,&(l_current_writer->m_size));
    if (l_current_writer->m_data == 00) {
      opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to hold JP2 Header data\n");
      l_result = OPJ_FALSE;
      break;
    }

    l_jp2h_size += l_current_writer->m_size;
    ++l_current_writer;
  }

  if (! l_result) {
    l_current_writer = l_writers;
    for (i=0;i<l_nb_pass;++i) {
      if (l_current_writer->m_data != 00) {
        opj_free(l_current_writer->m_data );
      }
      ++l_current_writer;
    }

    return OPJ_FALSE;
  }

  /* write super box size */
  opj_write_bytes(l_jp2h_data,l_jp2h_size,4);
  
  /* write super box data on stream */
  if (opj_stream_write_data(stream,l_jp2h_data,8,p_manager) != 8) {
    opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
    l_result = OPJ_FALSE;
  }
  
  if (l_result) {
    l_current_writer = l_writers;
    for (i=0;i<l_nb_pass;++i) {
      if (opj_stream_write_data(stream,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) {
        opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
        l_result = OPJ_FALSE;
        break;
      }
      ++l_current_writer;
    }
  }

  l_current_writer = l_writers;
  
  /* cleanup */
  for (i=0;i<l_nb_pass;++i) {
    if (l_current_writer->m_data != 00) {
      opj_free(l_current_writer->m_data );
    }
    ++l_current_writer;
  }

  return l_result;
}

OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2,
              opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_UINT32 i;
  OPJ_UINT32 l_ftyp_size = 16 + 4 * jp2->numcl;
  OPJ_BYTE * l_ftyp_data, * l_current_data_ptr;
  OPJ_BOOL l_result;

  /* preconditions */
  assert(cio != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  l_ftyp_data = (OPJ_BYTE *) opj_malloc(l_ftyp_size);
  
  if (l_ftyp_data == 00) {
    opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle ftyp data\n");
    return OPJ_FALSE;
  }

  memset(l_ftyp_data,0,l_ftyp_size);

  l_current_data_ptr = l_ftyp_data;

  opj_write_bytes(l_current_data_ptr, l_ftyp_size,4); /* box size */
  l_current_data_ptr += 4;

  opj_write_bytes(l_current_data_ptr, JP2_FTYP,4); /* FTYP */
  l_current_data_ptr += 4;

  opj_write_bytes(l_current_data_ptr, jp2->brand,4); /* BR */
  l_current_data_ptr += 4;

  opj_write_bytes(l_current_data_ptr, jp2->minversion,4); /* MinV */
  l_current_data_ptr += 4;

  for (i = 0; i < jp2->numcl; i++)  {
    opj_write_bytes(l_current_data_ptr, jp2->cl[i],4); /* CL */
  }
  
  l_result = (opj_stream_write_data(cio,l_ftyp_data,l_ftyp_size,p_manager) == l_ftyp_size);
  if (! l_result)
  {
    opj_event_msg(p_manager, EVT_ERROR, "Error while writing ftyp data to stream\n");
  }

  opj_free(l_ftyp_data);
  
  return l_result;
}

OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2,
              opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_OFF_T j2k_codestream_exit;
  OPJ_BYTE l_data_header [8];
  
  /* preconditions */
  assert(jp2 != 00);
  assert(cio != 00);
  assert(p_manager != 00);
  assert(opj_stream_has_seek(cio));
  
  j2k_codestream_exit = opj_stream_tell(cio);
  opj_write_bytes(l_data_header,
                    (OPJ_UINT32) (j2k_codestream_exit - jp2->j2k_codestream_offset),
                    4); /* size of codestream */
  opj_write_bytes(l_data_header + 4,JP2_JP2C,4);                     /* JP2C */

  if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }
  
  if (opj_stream_write_data(cio,l_data_header,8,p_manager) != 8) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_write_jp(  opj_jp2_t *jp2,
                  opj_stream_private_t *cio,
                opj_event_mgr_t * p_manager )
{
  /* 12 bytes will be read */
  OPJ_BYTE l_signature_data [12];

  /* preconditions */
  assert(cio != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  /* write box length */
  opj_write_bytes(l_signature_data,12,4);
  /* writes box type */
  opj_write_bytes(l_signature_data+4,JP2_JP,4);
  /* writes magic number*/
  opj_write_bytes(l_signature_data+8,0x0d0a870a,4);
  
  if (opj_stream_write_data(cio,l_signature_data,12,p_manager) != 12) {
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

/* ----------------------------------------------------------------------- */
/* JP2 decoder interface                                             */
/* ----------------------------------------------------------------------- */

void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters)
{
  /* setup the J2K codec */
  opj_j2k_setup_decoder(jp2->j2k, parameters);

  /* further JP2 initializations go here */
  jp2->color.jp2_has_colr = 0;
    jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
}

/* ----------------------------------------------------------------------- */
/* JP2 encoder interface                                             */
/* ----------------------------------------------------------------------- */

void opj_jp2_setup_encoder( opj_jp2_t *jp2,
                            opj_cparameters_t *parameters,
                            opj_image_t *image,
                            opj_event_mgr_t * p_manager)
{
    OPJ_UINT32 i;
  OPJ_UINT32 depth_0;
  OPJ_UINT32 sign;

  if(!jp2 || !parameters || !image)
    return;

  /* setup the J2K codec */
  /* ------------------- */

  /* Check if number of components respects standard */
  if (image->numcomps < 1 || image->numcomps > 16384) {
    opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components specified while setting up JP2 encoder\n");
    return;
  }

  opj_j2k_setup_encoder(jp2->j2k, parameters, image, p_manager );

  /* setup the JP2 codec */
  /* ------------------- */
  
  /* Profile box */

  jp2->brand = JP2_JP2; /* BR */
  jp2->minversion = 0;  /* MinV */
  jp2->numcl = 1;
  jp2->cl = (OPJ_UINT32*) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
    if (!jp2->cl){
        jp2->cl = NULL;
        opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
        return;
    }
  jp2->cl[0] = JP2_JP2; /* CL0 : JP2 */

  /* Image Header box */

  jp2->numcomps = image->numcomps;  /* NC */
  jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
    if (!jp2->comps) {
        jp2->comps = NULL;
        opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
        return;
    }

  jp2->h = image->y1 - image->y0;   /* HEIGHT */
  jp2->w = image->x1 - image->x0;   /* WIDTH */
  /* BPC */
  depth_0 = image->comps[0].prec - 1;
  sign = image->comps[0].sgnd;
  jp2->bpc = depth_0 + (sign << 7);
  for (i = 1; i < image->numcomps; i++) {
    OPJ_UINT32 depth = image->comps[i].prec - 1;
    sign = image->comps[i].sgnd;
    if (depth_0 != depth)
      jp2->bpc = 255;
  }
  jp2->C = 7;     /* C : Always 7 */
  jp2->UnkC = 0;    /* UnkC, colorspace specified in colr box */
  jp2->IPR = 0;   /* IPR, no intellectual property */
  
  /* BitsPerComponent box */
  for (i = 0; i < image->numcomps; i++) {
    jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
  }

  /* Colour Specification box */
    if(image->icc_profile_len) {
        jp2->meth = 2;
        jp2->enumcs = 0;
    } 
    else {
        jp2->meth = 1;
        if (image->color_space == 1)
            jp2->enumcs = 16; /* sRGB as defined by IEC 61966-2-1 */
        else if (image->color_space == 2)
            jp2->enumcs = 17; /* greyscale */
        else if (image->color_space == 3)
            jp2->enumcs = 18; /* YUV */
    }


  jp2->precedence = 0;  /* PRECEDENCE */
  jp2->approx = 0;    /* APPROX */

  jp2->jpip_on = parameters->jpip_on;
}

OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2,
            opj_stream_private_t *stream,
            opj_event_mgr_t * p_manager)
{
  return opj_j2k_encode(jp2->j2k, stream, p_manager);
}

OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2,
                                opj_stream_private_t *cio,
                                opj_event_mgr_t * p_manager
                                )
{
  /* preconditions */
  assert(jp2 != 00);
  assert(cio != 00);
  assert(p_manager != 00);

  /* customization of the end encoding */
  opj_jp2_setup_end_header_reading(jp2);

  /* write header */
  if (! opj_jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
    return OPJ_FALSE;
  }

  return opj_j2k_end_decompress(jp2->j2k, cio, p_manager);
}

OPJ_BOOL opj_jp2_end_compress(  opj_jp2_t *jp2,
                  opj_stream_private_t *cio,
                  opj_event_mgr_t * p_manager
                                )
{
  /* preconditions */
  assert(jp2 != 00);
  assert(cio != 00);
  assert(p_manager != 00);

  /* customization of the end encoding */
  opj_jp2_setup_end_header_writing(jp2);

  if (! opj_j2k_end_compress(jp2->j2k,cio,p_manager)) {
    return OPJ_FALSE;
  }

  /* write header */
  return opj_jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager);
}

void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2)
{
  /* preconditions */
  assert(jp2 != 00);

#ifdef USE_JPIP
  if( jp2->jpip_on )
    opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_iptr );
#endif
  opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2c );
  /* DEVELOPER CORNER, add your custom procedures */
#ifdef USE_JPIP
  if( jp2->jpip_on )
    {
    opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_cidx );
    opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_fidx );
    }
#endif
}

void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2)
{
  /* preconditions */
  assert(jp2 != 00);
  opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
  /* DEVELOPER CORNER, add your custom procedures */
}

OPJ_BOOL opj_jp2_default_validation ( opj_jp2_t * jp2,
                                        opj_stream_private_t *cio,
                                        opj_event_mgr_t * p_manager
                                        )
{
  OPJ_BOOL l_is_valid = OPJ_TRUE;
  OPJ_UINT32 i;

  /* preconditions */
  assert(jp2 != 00);
  assert(cio != 00);
  assert(p_manager != 00);

  /* JPEG2000 codec validation */

  /* STATE checking */
  /* make sure the state is at 0 */
  l_is_valid &= (jp2->jp2_state == JP2_STATE_NONE);

  /* make sure not reading a jp2h ???? WEIRD */
  l_is_valid &= (jp2->jp2_img_state == JP2_IMG_STATE_NONE);

  /* POINTER validation */
  /* make sure a j2k codec is present */
  l_is_valid &= (jp2->j2k != 00);

  /* make sure a procedure list is present */
  l_is_valid &= (jp2->m_procedure_list != 00);

  /* make sure a validation list is present */
  l_is_valid &= (jp2->m_validation_list != 00);

  /* PARAMETER VALIDATION */
  /* number of components */
  l_is_valid &= (jp2->numcl > 0);
  /* width */
  l_is_valid &= (jp2->h > 0);
  /* height */
  l_is_valid &= (jp2->w > 0);
  /* precision */
  for (i = 0; i < jp2->numcomps; ++i) {
    l_is_valid &= (jp2->comps[i].bpcc > 0);
  }

  /* METH */
  l_is_valid &= ((jp2->meth > 0) && (jp2->meth < 3));

  /* stream validation */
  /* back and forth is needed */
  l_is_valid &= opj_stream_has_seek(cio);

  return l_is_valid;
}

OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
                                                opj_stream_private_t *stream,
                                                opj_event_mgr_t * p_manager
                                                )
{
  opj_jp2_box_t box;
  OPJ_UINT32 l_nb_bytes_read;
  const opj_jp2_header_handler_t * l_current_handler;
  OPJ_UINT32 l_last_data_size = OPJ_BOX_SIZE;
  OPJ_UINT32 l_current_data_size;
  OPJ_BYTE * l_current_data = 00;

  /* preconditions */
  assert(stream != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  l_current_data = (OPJ_BYTE*)opj_malloc(l_last_data_size);

  if (l_current_data == 00) {
    opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 file header\n");
    return OPJ_FALSE;
  }
  memset(l_current_data, 0 , l_last_data_size);

  while (opj_jp2_read_boxhdr(&box,&l_nb_bytes_read,stream,p_manager)) {
    /* is it the codestream box ? */
    if (box.type == JP2_JP2C) {
      if (jp2->jp2_state & JP2_STATE_HEADER) {
        jp2->jp2_state |= JP2_STATE_CODESTREAM;
                                opj_free(l_current_data);
        return OPJ_TRUE;
      }
      else {
        opj_event_msg(p_manager, EVT_ERROR, "bad placed jpeg codestream\n");
        opj_free(l_current_data);
        return OPJ_FALSE;
      }
    }
    else if  (box.length == 0) {
      opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
      opj_free(l_current_data);
      return OPJ_FALSE;
    }
    /* testcase 1851.pdf.SIGSEGV.ce9.948 */
    else if  (box.length < l_nb_bytes_read) {
      opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, box.type);
      opj_free(l_current_data);
      return OPJ_FALSE;
    }

    l_current_handler = opj_jp2_find_handler(box.type);
    l_current_data_size = box.length - l_nb_bytes_read;

    if (l_current_handler != 00) {
      if (l_current_data_size > l_last_data_size) {
        OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_data_size);
        if (!new_current_data) {
          opj_free(l_current_data);
                    opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 box\n");
          return OPJ_FALSE;
        }
                l_current_data = new_current_data;
        l_last_data_size = l_current_data_size;
      }

      l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(stream,l_current_data,l_current_data_size,p_manager);
      if (l_nb_bytes_read != l_current_data_size) {
        opj_event_msg(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n");
                opj_free(l_current_data);                
        return OPJ_FALSE;
      }

      if (! l_current_handler->handler(jp2,l_current_data,l_current_data_size,p_manager)) {
        opj_free(l_current_data);
        return OPJ_FALSE;
      }
    }
    else {
      jp2->jp2_state |= JP2_STATE_UNKNOWN;
      if (opj_stream_skip(stream,l_current_data_size,p_manager) != l_current_data_size) {
        opj_event_msg(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n");
        opj_free(l_current_data);
        return OPJ_FALSE;
      }
    }
  }

  opj_free(l_current_data);

  return OPJ_TRUE;
}

/**
 * Excutes the given procedures on the given codec.
 *
 * @param p_procedure_list  the list of procedures to execute
 * @param jp2         the jpeg2000 file codec to execute the procedures on.
 * @param stream          the stream to execute the procedures on.
 * @param p_manager     the user manager.
 *
 * @return  true        if all the procedures were successfully executed.
 */
static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
                                opj_procedure_list_t * p_procedure_list,
                                opj_stream_private_t *stream,
                                opj_event_mgr_t * p_manager
                                )

{
  OPJ_BOOL (** l_procedure) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00;
  OPJ_BOOL l_result = OPJ_TRUE;
  OPJ_UINT32 l_nb_proc, i;

  /* preconditions */
  assert(p_procedure_list != 00);
  assert(jp2 != 00);
  assert(stream != 00);
  assert(p_manager != 00);

  l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
  l_procedure = (OPJ_BOOL (**) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);

  for (i=0;i<l_nb_proc;++i) {
    l_result = l_result && (*l_procedure) (jp2,stream,p_manager);
    ++l_procedure;
  }

  /* and clear the procedure list at the end. */
  opj_procedure_list_clear(p_procedure_list);
  return l_result;
}

OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2,
                                opj_stream_private_t *stream,
                                opj_image_t * p_image,
                                opj_event_mgr_t * p_manager
                                )
{
  /* preconditions */
  assert(jp2 != 00);
  assert(stream != 00);
  assert(p_manager != 00);

  /* customization of the validation */
  opj_jp2_setup_encoding_validation (jp2);

  /* validation of the parameters codec */
  if (! opj_jp2_exec(jp2,jp2->m_validation_list,stream,p_manager)) {
    return OPJ_FALSE;
  }

  /* customization of the encoding */
  opj_jp2_setup_header_writing(jp2);

  /* write header */
  if (! opj_jp2_exec (jp2,jp2->m_procedure_list,stream,p_manager)) {
    return OPJ_FALSE;
  }

  return opj_j2k_start_compress(jp2->j2k,stream,p_image,p_manager);
}

const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id)
{
  OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof(opj_jp2_header_handler_t);

  for (i=0;i<l_handler_size;++i) {
    if (jp2_header[i].id == p_id) {
      return &jp2_header[i];
    }
  }
  return NULL;
}

/**
 * Finds the image execution function related to the given box id.
 *
 * @param p_id  the id of the handler to fetch.
 *
 * @return  the given handler or 00 if it could not be found.
 */
static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id)
{
  OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof(opj_jp2_header_handler_t);
  for (i=0;i<l_handler_size;++i)
  {
    if (jp2_img_header[i].id == p_id) {
      return &jp2_img_header[i];
    }
  }

  return NULL;
}

/**
 * Reads a jpeg2000 file signature box.
 *
 * @param p_header_data the data contained in the signature box.
 * @param jp2       the jpeg2000 file codec.
 * @param p_header_size the size of the data contained in the signature box.
 * @param p_manager   the user event manager.
 *
 * @return true if the file signature box is valid.
 */
static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
                                OPJ_BYTE * p_header_data,
                                OPJ_UINT32 p_header_size,
                                opj_event_mgr_t * p_manager
                                )

{
  OPJ_UINT32 l_magic_number;

  /* preconditions */
  assert(p_header_data != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  if (jp2->jp2_state != JP2_STATE_NONE) {
    opj_event_msg(p_manager, EVT_ERROR, "The signature box must be the first box in the file.\n");
    return OPJ_FALSE;
  }

  /* assure length of data is correct (4 -> magic number) */
  if (p_header_size != 4) {
    opj_event_msg(p_manager, EVT_ERROR, "Error with JP signature Box size\n");
    return OPJ_FALSE;
  }

  /* rearrange data */
  opj_read_bytes(p_header_data,&l_magic_number,4);
  if (l_magic_number != 0x0d0a870a ) {
    opj_event_msg(p_manager, EVT_ERROR, "Error with JP Signature : bad magic number\n");
    return OPJ_FALSE;
  }

  jp2->jp2_state |= JP2_STATE_SIGNATURE;

  return OPJ_TRUE;
}

/**
 * Reads a a FTYP box - File type box
 *
 * @param p_header_data the data contained in the FTYP box.
 * @param jp2       the jpeg2000 file codec.
 * @param p_header_size the size of the data contained in the FTYP box.
 * @param p_manager   the user event manager.
 *
 * @return true if the FTYP box is valid.
 */
static OPJ_BOOL opj_jp2_read_ftyp(  opj_jp2_t *jp2,
                  OPJ_BYTE * p_header_data,
                  OPJ_UINT32 p_header_size,
                  opj_event_mgr_t * p_manager
                                    )
{
  OPJ_UINT32 i, l_remaining_bytes;

  /* preconditions */
  assert(p_header_data != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  if (jp2->jp2_state != JP2_STATE_SIGNATURE) {
    opj_event_msg(p_manager, EVT_ERROR, "The ftyp box must be the second box in the file.\n");
    return OPJ_FALSE;
  }

  /* assure length of data is correct */
  if (p_header_size < 8) {
    opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
    return OPJ_FALSE;
  }

  opj_read_bytes(p_header_data,&jp2->brand,4);    /* BR */
  p_header_data += 4;

  opj_read_bytes(p_header_data,&jp2->minversion,4);   /* MinV */
  p_header_data += 4;

  l_remaining_bytes = p_header_size - 8;

  /* the number of remaining bytes should be a multiple of 4 */
  if ((l_remaining_bytes & 0x3) != 0) {
    opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
    return OPJ_FALSE;
  }

  /* div by 4 */
  jp2->numcl = l_remaining_bytes >> 2;
  if (jp2->numcl) {
    jp2->cl = (OPJ_UINT32 *) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
    if (jp2->cl == 00) {
      opj_event_msg(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n");
      return OPJ_FALSE;
    }
    memset(jp2->cl,0,jp2->numcl * sizeof(OPJ_UINT32));
  }

  for (i = 0; i < jp2->numcl; ++i)
  {
    opj_read_bytes(p_header_data,&jp2->cl[i],4);    /* CLi */
    p_header_data += 4;
  }

  jp2->jp2_state |= JP2_STATE_FILE_TYPE;

  return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_skip_jp2c( opj_jp2_t *jp2,
                opj_stream_private_t *stream,
                opj_event_mgr_t * p_manager )
{
  /* preconditions */
  assert(jp2 != 00);
  assert(stream != 00);
  assert(p_manager != 00);

  jp2->j2k_codestream_offset = opj_stream_tell(stream);

  if (opj_stream_skip(stream,8,p_manager) != 8) {
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

static OPJ_BOOL opj_jpip_skip_iptr( opj_jp2_t *jp2,
  opj_stream_private_t *stream,
  opj_event_mgr_t * p_manager )
{
  /* preconditions */
  assert(jp2 != 00);
  assert(stream != 00);
  assert(p_manager != 00);

  jp2->jpip_iptr_offset = opj_stream_tell(stream);

  if (opj_stream_skip(stream,24,p_manager) != 24) {
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

/**
 * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
 *
 * @param p_header_data the data contained in the file header box.
 * @param jp2       the jpeg2000 file codec.
 * @param p_header_size the size of the data contained in the file header box.
 * @param p_manager   the user event manager.
 *
 * @return true if the JP2 Header box was successfully reconized.
*/
static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
                                    OPJ_BYTE *p_header_data,
                                    OPJ_UINT32 p_header_size,
                                    opj_event_mgr_t * p_manager
                                    )
{
  OPJ_UINT32 l_box_size=0, l_current_data_size = 0;
  opj_jp2_box_t box;
  const opj_jp2_header_handler_t * l_current_handler;

  /* preconditions */
  assert(p_header_data != 00);
  assert(jp2 != 00);
  assert(p_manager != 00);

  /* make sure the box is well placed */
  if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE ) {
    opj_event_msg(p_manager, EVT_ERROR, "The  box must be the first box in the file.\n");
    return OPJ_FALSE;
  }

  jp2->jp2_img_state = JP2_IMG_STATE_NONE;

  /* iterate while remaining data */
  while (p_header_size > 0) {

    if (! opj_jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) {
      opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n");
      return OPJ_FALSE;
    }

    if (box.length > p_header_size) {
      opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: box length is inconsistent.\n");
      return OPJ_FALSE;
    }

    l_current_handler = opj_jp2_img_find_handler(box.type);
    l_current_data_size = box.length - l_box_size;
    p_header_data += l_box_size;

    if (l_current_handler != 00) {
      if (! l_current_handler->handler(jp2,p_header_data,l_current_data_size,p_manager)) {
        return OPJ_FALSE;
      }
    }
    else {
      jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN;
    }

    p_header_data += l_current_data_size;
    p_header_size -= box.length;
  }

  jp2->jp2_state |= JP2_STATE_HEADER;

  return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
                                     OPJ_BYTE * p_data,
                                     OPJ_UINT32 * p_number_bytes_read,
                                     OPJ_UINT32 p_box_max_size,
                                     opj_event_mgr_t * p_manager
                                     )
{
  OPJ_UINT32 l_value;

  /* preconditions */
  assert(p_data != 00);
  assert(box != 00);
  assert(p_number_bytes_read != 00);
  assert(p_manager != 00);

  if (p_box_max_size < 8) {
    opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n");
    return OPJ_FALSE;
  }

  /* process read data */
  opj_read_bytes(p_data, &l_value, 4);
  p_data += 4;
  box->length = (OPJ_UINT32)(l_value);

  opj_read_bytes(p_data, &l_value, 4);
  p_data += 4;
  box->type = (OPJ_UINT32)(l_value);

  *p_number_bytes_read = 8;

  /* do we have a "special very large box ?" */
  /* read then the XLBox */
  if (box->length == 1) {
    OPJ_UINT32 l_xl_part_size;

    if (p_box_max_size < 16) {
      opj_event_msg(p_manager, EVT_ERROR, "Cannot handle XL box of less than 16 bytes\n");
      return OPJ_FALSE;
    }

    opj_read_bytes(p_data,&l_xl_part_size, 4);
    p_data += 4;
    *p_number_bytes_read += 4;

    if (l_xl_part_size != 0) {
      opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
      return OPJ_FALSE;
    }

    opj_read_bytes(p_data, &l_value, 4);
    *p_number_bytes_read += 4;
    box->length = (OPJ_UINT32)(l_value);

    if (box->length == 0) {
      opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
      return OPJ_FALSE;
    }
  }
  else if (box->length == 0) {
    opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

OPJ_BOOL opj_jp2_read_header( opj_stream_private_t *p_stream,
                                opj_jp2_t *jp2,
                                opj_image_t ** p_image,
                                opj_event_mgr_t * p_manager
                                )
{
  /* preconditions */
  assert(jp2 != 00);
  assert(p_stream != 00);
  assert(p_manager != 00);

  /* customization of the validation */
  opj_jp2_setup_decoding_validation (jp2);

  /* customization of the encoding */
  opj_jp2_setup_header_reading(jp2);

  /* validation of the parameters codec */
  if (! opj_jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) {
    return OPJ_FALSE;
  }

  /* read header */
  if (! opj_jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) {
    return OPJ_FALSE;
  }

  return opj_j2k_read_header( p_stream,
              jp2->j2k,
              p_image,
              p_manager);
}

void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2)
{
  /* preconditions */
  assert(jp2 != 00);

  opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)opj_jp2_default_validation);
  /* DEVELOPER CORNER, add your custom validation procedure */
}

void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2)
{
  /* preconditions */
  assert(jp2 != 00);
  /* DEVELOPER CORNER, add your custom validation procedure */
}

void opj_jp2_setup_header_writing (opj_jp2_t *jp2)
{
  /* preconditions */
  assert(jp2 != 00);

  opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp );
  opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp );
  opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h );
  if( jp2->jpip_on )
    opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_skip_iptr );
  opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_skip_jp2c );

  /* DEVELOPER CORNER, insert your custom procedures */

}

void opj_jp2_setup_header_reading (opj_jp2_t *jp2)
{
  /* preconditions */
  assert(jp2 != 00);

  opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
  /* DEVELOPER CORNER, add your custom procedures */
}

OPJ_BOOL opj_jp2_read_tile_header ( opj_jp2_t * p_jp2,
                                    OPJ_UINT32 * p_tile_index,
                                    OPJ_UINT32 * p_data_size,
                                    OPJ_INT32 * p_tile_x0,
                                    OPJ_INT32 * p_tile_y0,
                                    OPJ_INT32 * p_tile_x1,
                                    OPJ_INT32 * p_tile_y1,
                                    OPJ_UINT32 * p_nb_comps,
                                    OPJ_BOOL * p_go_on,
                                    opj_stream_private_t *p_stream,
                                    opj_event_mgr_t * p_manager
                                    )
{
  return opj_j2k_read_tile_header(p_jp2->j2k,
                p_tile_index,
                p_data_size,
                p_tile_x0, p_tile_y0,
                p_tile_x1, p_tile_y1,
                p_nb_comps,
                p_go_on,
                p_stream,
                p_manager);
}

OPJ_BOOL opj_jp2_write_tile ( opj_jp2_t *p_jp2,
                  OPJ_UINT32 p_tile_index,
                  OPJ_BYTE * p_data,
                  OPJ_UINT32 p_data_size,
                  opj_stream_private_t *p_stream,
                  opj_event_mgr_t * p_manager
                                )

{
  return opj_j2k_write_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
}

OPJ_BOOL opj_jp2_decode_tile (  opj_jp2_t * p_jp2,
                                OPJ_UINT32 p_tile_index,
                                OPJ_BYTE * p_data,
                                OPJ_UINT32 p_data_size,
                                opj_stream_private_t *p_stream,
                                opj_event_mgr_t * p_manager
                                )
{
  return opj_j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
}

void opj_jp2_destroy(opj_jp2_t *jp2)
{
  if (jp2) {
    /* destroy the J2K codec */
    opj_j2k_destroy(jp2->j2k);
    jp2->j2k = 00;

    if (jp2->comps) {
      opj_free(jp2->comps);
      jp2->comps = 00;
    }

    if (jp2->cl) {
      opj_free(jp2->cl);
      jp2->cl = 00;
    }

    if (jp2->color.icc_profile_buf) {
      opj_free(jp2->color.icc_profile_buf);
      jp2->color.icc_profile_buf = 00;
    }

    if (jp2->color.jp2_cdef) {
      if (jp2->color.jp2_cdef->info) {
        opj_free(jp2->color.jp2_cdef->info);
        jp2->color.jp2_cdef->info = NULL;
      }

      opj_free(jp2->color.jp2_cdef);
      jp2->color.jp2_cdef = 00;
    }

    if (jp2->color.jp2_pclr) {
      if (jp2->color.jp2_pclr->cmap) {
        opj_free(jp2->color.jp2_pclr->cmap);
        jp2->color.jp2_pclr->cmap = NULL;
      }
      if (jp2->color.jp2_pclr->channel_sign) {
        opj_free(jp2->color.jp2_pclr->channel_sign);
        jp2->color.jp2_pclr->channel_sign = NULL;
      }
      if (jp2->color.jp2_pclr->channel_size) {
        opj_free(jp2->color.jp2_pclr->channel_size);
        jp2->color.jp2_pclr->channel_size = NULL;
      }
      if (jp2->color.jp2_pclr->entries) {
        opj_free(jp2->color.jp2_pclr->entries);
        jp2->color.jp2_pclr->entries = NULL;
      }

      opj_free(jp2->color.jp2_pclr);
      jp2->color.jp2_pclr = 00;
    }

    if (jp2->m_validation_list) {
      opj_procedure_list_destroy(jp2->m_validation_list);
      jp2->m_validation_list = 00;
    }

    if (jp2->m_procedure_list) {
      opj_procedure_list_destroy(jp2->m_procedure_list);
      jp2->m_procedure_list = 00;
    }

    opj_free(jp2);
  }
}

OPJ_BOOL opj_jp2_set_decode_area( opj_jp2_t *p_jp2,
                    opj_image_t* p_image,
                    OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
                    OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
                    opj_event_mgr_t * p_manager
                                    )
{
  return opj_j2k_set_decode_area(p_jp2->j2k, p_image, p_start_x, p_start_y, p_end_x, p_end_y, p_manager);
}

OPJ_BOOL opj_jp2_get_tile(  opj_jp2_t *p_jp2,
                            opj_stream_private_t *p_stream,
                            opj_image_t* p_image,
                            opj_event_mgr_t * p_manager,
                            OPJ_UINT32 tile_index
                            )
{
  if (!p_image)
    return OPJ_FALSE;

  opj_event_msg(p_manager, EVT_WARNING, "JP2 box which are after the codestream will not be read by this function.\n");

  if (! opj_j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index) ){
    opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
    return OPJ_FALSE;
  }

  if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) {
    return OPJ_FALSE;
  }

  /* Set Image Color Space */
  if (p_jp2->enumcs == 16)
    p_image->color_space = OPJ_CLRSPC_SRGB;
  else if (p_jp2->enumcs == 17)
    p_image->color_space = OPJ_CLRSPC_GRAY;
  else if (p_jp2->enumcs == 18)
    p_image->color_space = OPJ_CLRSPC_SYCC;
  else
    p_image->color_space = OPJ_CLRSPC_UNKNOWN;

  /* Apply the color space if needed */
  if(p_jp2->color.jp2_cdef) {
    opj_jp2_apply_cdef(p_image, &(p_jp2->color));
  }

  if(p_jp2->color.jp2_pclr) {
    /* Part 1, I.5.3.4: Either both or none : */
    if( !p_jp2->color.jp2_pclr->cmap)
      opj_jp2_free_pclr(&(p_jp2->color));
    else
      opj_jp2_apply_pclr(p_image, &(p_jp2->color));
  }

  if(p_jp2->color.icc_profile_buf) {
    p_image->icc_profile_buf = p_jp2->color.icc_profile_buf;
    p_image->icc_profile_len = p_jp2->color.icc_profile_len;
    p_jp2->color.icc_profile_buf = NULL;
  }

  return OPJ_TRUE;
}

/* ----------------------------------------------------------------------- */
/* JP2 encoder interface                                             */
/* ----------------------------------------------------------------------- */

opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder)
{
  opj_jp2_t *jp2 = (opj_jp2_t*)opj_malloc(sizeof(opj_jp2_t));
  if (jp2) {
    memset(jp2,0,sizeof(opj_jp2_t));

    /* create the J2K codec */
    if (! p_is_decoder) {
      jp2->j2k = opj_j2k_create_compress();
    }
    else {
      jp2->j2k = opj_j2k_create_decompress();
    }

    if (jp2->j2k == 00) {
      opj_jp2_destroy(jp2);
      return 00;
    }

    /* Color structure */
    jp2->color.icc_profile_buf = NULL;
    jp2->color.icc_profile_len = 0;
    jp2->color.jp2_cdef = NULL;
    jp2->color.jp2_pclr = NULL;
    jp2->color.jp2_has_colr = 0;

    /* validation list creation */
    jp2->m_validation_list = opj_procedure_list_create();
    if (! jp2->m_validation_list) {
      opj_jp2_destroy(jp2);
      return 00;
    }

    /* execution list creation */
    jp2->m_procedure_list = opj_procedure_list_create();
    if (! jp2->m_procedure_list) {
      opj_jp2_destroy(jp2);
      return 00;
    }
  }

  return jp2;
}

void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream)
{
  /* preconditions */
  assert(p_jp2 != 00);

  j2k_dump(p_jp2->j2k,
          flag,
          out_stream);
}

opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2)
{
  return j2k_get_cstr_index(p_jp2->j2k);
}

opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2)
{
  return j2k_get_cstr_info(p_jp2->j2k);
}

OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2,
                                               OPJ_UINT32 res_factor,
                                               opj_event_mgr_t * p_manager)
{
  return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager);
}

/* JPIP specific */

#ifdef USE_JPIP
static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2,
  opj_stream_private_t *cio,
  opj_event_mgr_t * p_manager )
{
  OPJ_OFF_T j2k_codestream_exit;
  OPJ_BYTE l_data_header [24];

  /* preconditions */
  assert(jp2 != 00);
  assert(cio != 00);
  assert(p_manager != 00);
  assert(opj_stream_has_seek(cio));

  j2k_codestream_exit = opj_stream_tell(cio);
  opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
  opj_write_bytes(l_data_header + 4,JPIP_IPTR,4);                    /* IPTR */
#if 0
  opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
  opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
#else
  opj_write_double(l_data_header + 4 + 4, 0); /* offset */
  opj_write_double(l_data_header + 8 + 8, 0); /* length */
#endif

  if (! opj_stream_seek(cio,jp2->jpip_iptr_offset,p_manager)) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
  opj_stream_private_t *cio,
  opj_event_mgr_t * p_manager )
{
  OPJ_OFF_T j2k_codestream_exit;
  OPJ_BYTE l_data_header [24];

  /* preconditions */
  assert(jp2 != 00);
  assert(cio != 00);
  assert(p_manager != 00);
  assert(opj_stream_has_seek(cio));

  opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
  opj_write_bytes(l_data_header + 4,JPIP_FIDX,4);                    /* IPTR */
  opj_write_double(l_data_header + 4 + 4, 0); /* offset */
  opj_write_double(l_data_header + 8 + 8, 0); /* length */

  if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  j2k_codestream_exit = opj_stream_tell(cio);
  if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
  opj_stream_private_t *cio,
  opj_event_mgr_t * p_manager )
{
  OPJ_OFF_T j2k_codestream_exit;
  OPJ_BYTE l_data_header [24];

  /* preconditions */
  assert(jp2 != 00);
  assert(cio != 00);
  assert(p_manager != 00);
  assert(opj_stream_has_seek(cio));

  j2k_codestream_exit = opj_stream_tell(cio);
  opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
  opj_write_bytes(l_data_header + 4,JPIP_CIDX,4);                    /* IPTR */
#if 0
  opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
  opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
#else
  opj_write_double(l_data_header + 4 + 4, 0); /* offset */
  opj_write_double(l_data_header + 8 + 8, 0); /* length */
#endif

  if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  j2k_codestream_exit = opj_stream_tell(cio);
  if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
    opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
    return OPJ_FALSE;
  }

  return OPJ_TRUE;
}

#if 0
static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
  opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [8];
  OPJ_OFF_T len, lenp;

  lenp = opj_stream_tell(cio);
  opj_stream_skip(cio, 4, p_manager);         /* L [at the end] */
  opj_write_bytes(l_data_header,JPIP_PRXY,4); /* IPTR           */
  opj_stream_write_data(cio,l_data_header,4,p_manager);

  opj_write_bytes( l_data_header, offset_jp2c, 8); /* OOFF           */
  opj_stream_write_data(cio,l_data_header,8,p_manager);
  opj_write_bytes( l_data_header, length_jp2c, 4); /* OBH part 1     */
  opj_write_bytes( l_data_header+4, JP2_JP2C, 4);  /* OBH part 2     */
  opj_stream_write_data(cio,l_data_header,8,p_manager);

  opj_write_bytes( l_data_header, 1, 1);/* NI             */
  opj_stream_write_data(cio,l_data_header,1,p_manager);

  opj_write_bytes( l_data_header, offset_idx, 8);  /* IOFF           */
  opj_stream_write_data(cio,l_data_header,8,p_manager);
  opj_write_bytes( l_data_header, length_idx, 4);  /* IBH part 1     */
  opj_write_bytes( l_data_header+4, JPIP_CIDX, 4);   /* IBH part 2     */
  opj_stream_write_data(cio,l_data_header,8,p_manager);

  len = opj_stream_tell(cio)-lenp;
  opj_stream_skip(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);
}
#endif


#if 0
static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
  opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [4];
  OPJ_OFF_T len, lenp;

  lenp = opj_stream_tell(cio);
  opj_stream_skip(cio, 4, p_manager);
  opj_write_bytes(l_data_header,JPIP_FIDX,4); /* FIDX */
  opj_stream_write_data(cio,l_data_header,4,p_manager);

  write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio,p_manager);

  len = opj_stream_tell(cio)-lenp;
  opj_stream_skip(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 len;
}
#endif
#endif /* USE_JPIP */

Coverage Report

Created: 2023-12-08 06:53