openjpeg/libopenjpeg/j2k.c

/*
 * 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) 2006-2007, Parvatha Elangovan
 * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
 * 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 "j2k.h"
#include "opj_malloc.h"
#include "opj_includes.h"
#include "pi.h"
#include "event.h"
#include "cio.h"
#include "int.h"
#include "tcd.h"
#include "function_list.h"
#include "invert.h"
#include "dwt.h"
#include "mct.h"
#include "image.h"

/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
/*@{*/


/***************************************************************************
 ********************** TYPEDEFS *******************************************
 ***************************************************************************/
/**
 * Correspondance prog order <-> string representation
 */
typedef struct j2k_prog_order
{
	OPJ_PROG_ORDER enum_prog;
	OPJ_CHAR str_prog[4];
}
j2k_prog_order_t;

typedef struct opj_dec_memory_marker_handler 
{
	/** marker value */
	OPJ_UINT32 id;
	/** value of the state when the marker can appear */
	OPJ_UINT32 states;
	/** action linked to the marker */
	bool (*handler) (
					opj_j2k_t *p_j2k,
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
						);
} 
opj_dec_memory_marker_handler_t;



/** @name Local static functions */
/*@{*/
/**
 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
 * 
 * @param	p_comp_no	the component number to output.
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
 * 
*/
static bool j2k_write_SPCod_SPCoc(
						    opj_j2k_t *p_j2k,
							OPJ_UINT32 p_tile_no,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
					);

/**
 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
 * @param	p_header_data	the data contained in the COM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the COM marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_SPCod_SPCoc(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 compno,
							OPJ_BYTE * p_header_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
							);

/**
 * Gets the size taken by writting a SPCod or SPCoc for the given tile and component.
 * 
 * @param	p_tile_no		the tile indix.
 * @param	p_comp_no		the component being outputted.
 * @param	p_j2k			the J2K codec.
 *
 * @return	the number of bytes taken by the SPCod element.
 */
static OPJ_UINT32 j2k_get_SPCod_SPCoc_size (
						opj_j2k_t *p_j2k,
						OPJ_UINT32 p_tile_no,
						OPJ_UINT32 p_comp_no
						);

/**
 * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
 * 
 * @param	p_tile_no		the tile to output.
 * @param	p_comp_no		the component number to output.
 * @param	p_data			the data buffer.
 * @param	p_header_size	pointer to the size of the data buffer, it is changed by the function.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
 * 
*/
static bool j2k_write_SQcd_SQcc(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_tile_no,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
					);

/**
 * Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
 * 
 * @param	p_tile_no		the tile to output.
 * @param	p_comp_no		the component number to output.
 * @param	p_data			the data buffer.
 * @param	p_header_size	pointer to the size of the data buffer, it is changed by the function.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
 * 
*/
static bool j2k_read_SQcd_SQcc(
							opj_j2k_t *p_j2k,	
							OPJ_UINT32 compno,
							OPJ_BYTE * p_header_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
					);
/**
 * Updates the Tile Length Marker.
 */
static void j2k_update_tlm (
					 opj_j2k_t * p_j2k, 
					 OPJ_UINT32 p_tile_part_size);

/**
 * Gets the size taken by writting SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
 * 
 * @param	p_tile_no		the tile indix.
 * @param	p_comp_no		the component being outputted.
 * @param	p_j2k			the J2K codec.
 *
 * @return	the number of bytes taken by the SPCod element.
 */
static OPJ_UINT32 j2k_get_SQcd_SQcc_size (
									opj_j2k_t *p_j2k,
								    OPJ_UINT32 p_tile_no,
									OPJ_UINT32 p_comp_no
						
						);

/**
 * Copies the tile component parameters of all the component from the first tile component.
 * 
 * @param		p_j2k		the J2k codec.
 */
static void j2k_copy_tile_component_parameters(
							opj_j2k_t *p_j2k
							);

/**
 * Writes the SOC marker (Start Of Codestream)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/

static bool j2k_write_soc(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
								);
/**
 * Reads a SOC marker (Start of Codestream)
 * @param	p_header_data	the data contained in the SOC box.
 * @param	jp2				the jpeg2000 file codec.
 * @param	p_header_size	the size of the data contained in the SOC marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_soc(
					opj_j2k_t *p_j2k,	
					struct opj_stream_private *p_stream, 
					struct opj_event_mgr * p_manager
				 );
/**
 * Writes the SIZ marker (image and tile size)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/
static bool j2k_write_siz(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
								);
/**
 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/
static bool j2k_write_mct_data_group(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
								);

/**
 * Reads a SIZ marker (image and tile size)
 * @param	p_header_data	the data contained in the SIZ box.
 * @param	jp2				the jpeg2000 file codec.
 * @param	p_header_size	the size of the data contained in the SIZ marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_siz (
						  opj_j2k_t *p_j2k,	
						  OPJ_BYTE * p_header_data, 
						  OPJ_UINT32 p_header_size,
						  struct opj_event_mgr * p_manager
					);
/**
 * Writes the COM marker (comment)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/
static bool j2k_write_com(
					opj_j2k_t *p_j2k,
					struct opj_stream_private *p_stream,
					struct opj_event_mgr * p_manager
					);
/**
 * Reads a COM marker (comments)
 * @param	p_header_data	the data contained in the COM box.
 * @param	jp2				the jpeg2000 file codec.
 * @param	p_header_size	the size of the data contained in the COM marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_com (
					opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					);



/**
 * Writes the COD marker (Coding style default)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/
static bool j2k_write_cod(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						);
/**
 * Reads a COD marker (Coding Styke defaults)
 * @param	p_header_data	the data contained in the COD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the COD marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_cod (
					opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					);

/**
 * Writes the COC marker (Coding style component)
 * 
 * @param	p_comp_number	the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_coc(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_number,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						  );

/**
 * Writes the COC marker (Coding style component)
 * 
 * @param	p_comp_no		the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static void j2k_write_coc_in_memory(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_data_written,
							struct opj_event_mgr * p_manager
						);
/**
 * Gets the maximum size taken by a coc.
 * 
 * @param	p_j2k	the jpeg2000 codec to use.
 */
static OPJ_UINT32 j2k_get_max_coc_size(opj_j2k_t *p_j2k);

/**
 * Reads a COC marker (Coding Style Component)
 * @param	p_header_data	the data contained in the COC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the COC marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_coc (
					opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					);

/**
 * Writes the QCD marker (quantization default)
 * 
 * @param	p_comp_number	the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_qcd(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						  );


/**
 * Reads a QCD marker (Quantization defaults)
 * @param	p_header_data	the data contained in the QCD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the QCD marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_qcd (
					opj_j2k_t *p_j2k,
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					);
/**
 * Writes the QCC marker (quantization component)
 * 
 * @param	p_comp_no	the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_qcc(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_no,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						  );
/**
 * Writes the QCC marker (quantization component)
 * 
 * @param	p_comp_no	the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static void j2k_write_qcc_in_memory(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_data_written,
							struct opj_event_mgr * p_manager
						  );
/**
 * Gets the maximum size taken by a qcc.
 */
static OPJ_UINT32 j2k_get_max_qcc_size (opj_j2k_t *p_j2k);

/**
 * Reads a QCC marker (Quantization component)
 * @param	p_header_data	the data contained in the QCC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the QCC marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_qcc(
							opj_j2k_t *p_j2k,	
							OPJ_BYTE * p_header_data, 
							OPJ_UINT32 p_header_size,
							struct opj_event_mgr * p_manager);
/**
 * Writes the POC marker (Progression Order Change)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_poc(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Writes the updated tlm.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_updated_tlm(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Writes the POC marker (Progression Order Change)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
 */
static void j2k_write_poc_in_memory(
							opj_j2k_t *p_j2k,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_data_written,
							struct opj_event_mgr * p_manager
				  );

/**
 * Gets the maximum size taken by the writting of a POC.
 */
static OPJ_UINT32 j2k_get_max_poc_size(opj_j2k_t *p_j2k);

/**
 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
 */
static OPJ_UINT32 j2k_get_max_toc_size (opj_j2k_t *p_j2k);

/**
 * Gets the maximum size taken by the headers of the SOT.
 * 
 * @param	p_j2k	the jpeg2000 codec to use.
 */
static OPJ_UINT32 j2k_get_specific_header_sizes(opj_j2k_t *p_j2k);

/**
 * Reads a POC marker (Progression Order Change)
 * 
 * @param	p_header_data	the data contained in the POC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the POC marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_poc (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Reads a CRG marker (Component registration)
 * 
 * @param	p_header_data	the data contained in the TLM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the TLM marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_crg (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Reads a TLM marker (Tile Length Marker)
 * 
 * @param	p_header_data	the data contained in the TLM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the TLM marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_tlm (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Reads a PLM marker (Packet length, main header marker)
 * 
 * @param	p_header_data	the data contained in the TLM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the TLM marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_plm (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Reads a PLT marker (Packet length, tile-part header)
 * 
 * @param	p_header_data	the data contained in the PLT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the PLT marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_plt (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Reads a PPM marker (Packed packet headers, main header)
 * 
 * @param	p_header_data	the data contained in the POC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the POC marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_ppm (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Reads a PPT marker (Packed packet headers, tile-part header)
 * 
 * @param	p_header_data	the data contained in the PPT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the PPT marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_ppt (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Writes the TLM marker (Tile Length Marker)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_tlm(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );
/**
 * Writes the SOT marker (Start of tile-part)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_sot(
						opj_j2k_t *p_j2k,
						OPJ_BYTE * p_data,
						OPJ_UINT32 * p_data_written,
						const struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
				  );
/**
 * Reads a PPT marker (Packed packet headers, tile-part header)
 * 
 * @param	p_header_data	the data contained in the PPT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the PPT marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_sot (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Writes the SOD marker (Start of data)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_sod(
						opj_j2k_t *p_j2k,
						struct opj_tcd * p_tile_coder,
						OPJ_BYTE * p_data,
						OPJ_UINT32 * p_data_written,
						OPJ_UINT32 p_total_data_size,
						const struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
				  );
/**
 * Reads a SOD marker (Start Of Data)
 * 
 * @param	p_header_data	the data contained in the SOD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the SOD marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_sod (
						opj_j2k_t *p_j2k,	
						struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
					);
/**
 * Writes the RGN marker (Region Of Interest)
 * 
 * @param	p_tile_no		the tile to output
 * @param	p_comp_no		the component to output
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_rgn(
						opj_j2k_t *p_j2k,
						OPJ_UINT32 p_tile_no,
						OPJ_UINT32 p_comp_no, 
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );
/**
 * Reads a RGN marker (Region Of Interest)
 * 
 * @param	p_header_data	the data contained in the POC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the POC marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_rgn (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) ;
/**
 * Writes the EOC marker (End of Codestream)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_eoc(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Copies the tile component parameters of all the component from the first tile component.
 * 
 * @param		p_j2k		the J2k codec.
 */
static void j2k_copy_tile_quantization_parameters(
							opj_j2k_t *p_j2k
							);

/**
 * Reads a EOC marker (End Of Codestream)
 * 
 * @param	p_header_data	the data contained in the SOD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the SOD marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_eoc (
					    opj_j2k_t *p_j2k,	
						struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
					) ;

/**
 * Inits the Info
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_init_info(
					    opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );
/**
 * Reads an unknown marker 
 * 
 * @param	p_stream				the stream object to read from.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_manager		the user event manager.
 *
 * @return	true			if the marker could be deduced.
*/
static bool j2k_read_unk (
						opj_j2k_t *p_j2k,	
						struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
					);
/**
 * Ends the encoding, i.e. frees memory.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_end_encoding(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Writes the CBD marker (Component bit depth definition)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_cbd(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Reads a CBD marker (Component bit depth definition)
 * @param	p_header_data	the data contained in the CBD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the CBD marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_cbd (
							opj_j2k_t *p_j2k,
							OPJ_BYTE * p_header_data, 
							OPJ_UINT32 p_header_size,
							struct opj_event_mgr * p_manager);

/**
 * Writes the MCT marker (Multiple Component Transform)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_mct_record(
						opj_j2k_t *p_j2k,
						opj_mct_data_t * p_mct_record,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Reads a MCT marker (Multiple Component Transform)
 * 
 * @param	p_header_data	the data contained in the MCT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the MCT marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_mct (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);

/**
 * Writes the MCC marker (Multiple Component Collection)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_mcc_record(
					    opj_j2k_t *p_j2k,
						struct opj_simple_mcc_decorrelation_data * p_mcc_record,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Reads a MCC marker (Multiple Component Collection)
 * 
 * @param	p_header_data	the data contained in the MCC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the MCC marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_mcc (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);

/**
 * Writes the MCO marker (Multiple component transformation ordering)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_mco(
						opj_j2k_t *p_j2k,		
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Reads a MCO marker (Multiple Component Transform Ordering)
 * 
 * @param	p_header_data	the data contained in the MCO box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the MCO marker.
 * @param	p_manager		the user event manager.
*/
static bool j2k_read_mco (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					);
/**
 * Writes the image components.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_image_components(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Writes regions of interests.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_regions(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );
/**
 * Writes EPC ????
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_write_epc(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Checks the progression order changes values. Tells of the poc given as input are valid.
 * A nice message is outputted at errors.
 * 
 * @param	p_pocs				the progression order changes.
 * @param	p_nb_pocs			the number of progression order changes.
 * @param	p_nb_resolutions	the number of resolutions.
 * @param	numcomps			the number of components
 * @param	numlayers			the number of layers.
 * 
 * @return	true if the pocs are valid.
 */
static bool j2k_check_poc_val(
							  const opj_poc_t *p_pocs, 
							  OPJ_UINT32 p_nb_pocs, 
							  OPJ_UINT32 p_nb_resolutions, 
							  OPJ_UINT32 numcomps, 
							  OPJ_UINT32 numlayers, 
							  opj_event_mgr_t * p_manager);

/**
 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
 * 
 * @param		cp			the coding parameters.
 * @param		pino		the offset of the given poc (i.e. its position in the coding parameter).
 * @param		tileno		the given tile.
 * 
 * @return		the number of tile parts.
 */
static OPJ_UINT32 j2k_get_num_tp(
						  opj_cp_t *cp,
						  OPJ_UINT32 pino,
						  OPJ_UINT32 tileno);
/**	
 * Calculates the total number of tile parts needed by the encoder to 
 * encode such an image. If not enough memory is available, then the function return false.
 * 
 * @param	p_nb_tiles	pointer that will hold the number of tile parts.
 * @param	cp			the coding parameters for the image.
 * @param	image		the image to encode.
 * @param	p_j2k			the p_j2k encoder.
 * @param	p_manager	the user event manager.
 *
 * @return true if the function was successful, false else.
 */
static bool j2k_calculate_tp(
					  opj_j2k_t *p_j2k, 
					  opj_cp_t *cp, 
					  OPJ_UINT32 * p_nb_tiles, 
					  opj_image_t *image, 
					  opj_event_mgr_t * p_manager);

static bool j2k_write_first_tile_part (
									opj_j2k_t *p_j2k,
									OPJ_BYTE * p_data,
									OPJ_UINT32 * p_data_written,
									OPJ_UINT32 p_total_data_size,
									opj_stream_private_t *p_stream,
									struct opj_event_mgr * p_manager
								);
static bool j2k_write_all_tile_parts(
									opj_j2k_t *p_j2k,
									OPJ_BYTE * p_data,
									OPJ_UINT32 * p_data_written,
									OPJ_UINT32 p_total_data_size,
									opj_stream_private_t *p_stream,
									struct opj_event_mgr * p_manager
								);

/**
 * Reads the lookup table containing all the marker, status and action, and returns the handler associated 
 * with the marker value.
 * @param	p_id		Marker value to look up
 * 
 * @return	the handler associated with the id.
*/
static const struct opj_dec_memory_marker_handler * j2k_get_marker_handler (OPJ_UINT32 p_id);

/**
 * Destroys a tile coding parameter structure.
 *
 * @param	p_tcp		the tile coding parameter to destroy.
 */
static void j2k_tcp_destroy (opj_tcp_t *p_tcp);

static void j2k_get_tile_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data);

/**
 * Destroys a coding parameter structure.
 *
 * @param	p_cp		the coding parameter to destroy.
 */
static void j2k_cp_destroy (opj_cp_t *p_cp);

/**
 * 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 j2k_setup_encoding_validation (opj_j2k_t *p_j2k);

/**
 * 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 j2k_setup_decoding_validation (opj_j2k_t *p_j2k);

/**
 * 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 j2k_setup_end_compress (opj_j2k_t *p_j2k);

/**
 * Creates a tile-coder decoder.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_create_tcd(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/**
 * Excutes the given procedures on the given codec.
 *
 * @param	p_procedure_list	the list of procedures to execute
 * @param	p_j2k					the jpeg2000 codec to execute the procedures on.
 * @param	p_stream					the stream to execute the procedures on.
 * @param	p_manager			the user manager.
 * 
 * @return	true				if all the procedures were successfully executed.
 */
static bool j2k_exec (
					opj_j2k_t * p_j2k,
					opj_procedure_list_t * p_procedure_list,
					opj_stream_private_t *p_stream,
					opj_event_mgr_t * p_manager
				  );
/**
 * Updates the rates of the tcp.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_update_rates(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

/** 
 * The default encoding validation procedure without any extension.
 * 
 * @param	p_j2k			the jpeg2000 codec to validate.
 * @param	p_stream				the input stream to validate.
 * @param	p_manager		the user event manager.
 *
 * @return true if the parameters are correct.
 */
bool j2k_encoding_validation (
								opj_j2k_t * p_j2k,
								opj_stream_private_t *p_stream,
								opj_event_mgr_t * p_manager
							);
/**
 * The read header procedure.
 */
bool j2k_read_header_procedure(
							    opj_j2k_t *p_j2k,
								struct opj_stream_private *p_stream,
								struct opj_event_mgr * p_manager);

/** 
 * The default decoding validation procedure without any extension.
 * 
 * @param	p_j2k			the jpeg2000 codec to validate.
 * @param	p_stream				the input stream to validate.
 * @param	p_manager		the user event manager.
 *
 * @return true if the parameters are correct.
 */
bool j2k_decoding_validation (
								opj_j2k_t * p_j2k,
								opj_stream_private_t *p_stream,
								opj_event_mgr_t * p_manager
							);
/**
 * Reads the tiles.
 */
bool j2k_decode_tiles (
								opj_j2k_t *p_j2k,
								struct opj_stream_private *p_stream,
								struct opj_event_mgr * p_manager);

/** 
 * The mct encoding validation procedure.
 * 
 * @param	p_j2k			the jpeg2000 codec to validate.
 * @param	p_stream				the input stream to validate.
 * @param	p_manager		the user event manager.
 *
 * @return true if the parameters are correct.
 */
bool j2k_mct_validation (
								opj_j2k_t * p_j2k,
								opj_stream_private_t *p_stream,
								opj_event_mgr_t * p_manager
							);
/**
 * Builds the tcd decoder to use to decode tile.
 */
bool j2k_build_decoder (
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						);
/**
 * Builds the tcd encoder to use to encode tile.
 */
bool j2k_build_encoder (
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						);
/**
 * Copies the decoding tile parameters onto all the tile parameters.
 * Creates also the tile decoder.
 */
bool j2k_copy_default_tcp_and_create_tcd(
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						);
/**
 * Destroys the memory associated with the decoding of headers.
 */
bool j2k_destroy_header_memory (
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						);

/**
 * Sets up the procedures to do on writting header. Developpers wanting to extend the library can add their own writting procedures.
 */
void j2k_setup_header_writting (opj_j2k_t *p_j2k);

/**
 * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
 */
void j2k_setup_header_reading (opj_j2k_t *p_j2k);

/**
 * Writes a tile.
 * @param	p_j2k		the jpeg2000 codec.
 * @param	p_stream			the stream to write data to.
 * @param	p_manager	the user event manager.
 */
static bool j2k_post_write_tile (
					 opj_j2k_t * p_j2k,
					 OPJ_BYTE * p_data,
					 OPJ_UINT32 p_data_size,
					 opj_stream_private_t *p_stream,
					 opj_event_mgr_t * p_manager
					);

static bool j2k_pre_write_tile (
					 opj_j2k_t * p_j2k,
					 OPJ_UINT32 p_tile_index,
					 opj_stream_private_t *p_stream,
					 opj_event_mgr_t * p_manager
					);
static bool j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data);

static bool j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image, OPJ_UINT32 p_index);
/**
 * Gets the offset of the header.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
static bool j2k_get_end_header(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  );

static void  j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);

static void  j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);

static void  j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void  j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);



/*@}*/

/*@}*/

/* ----------------------------------------------------------------------- */



/****************************************************************************
 ********************* CONSTANTS ********************************************
 ****************************************************************************/

						
						
						
/**
 * List of progression orders.
 */
const j2k_prog_order_t j2k_prog_order_list [] = 
{
	{CPRL, "CPRL"},
	{LRCP, "LRCP"},
	{PCRL, "PCRL"},
	{RLCP, "RLCP"},
	{RPCL, "RPCL"},
	{-1, ""}
};

const OPJ_UINT32 MCT_ELEMENT_SIZE [] = 
{
	2,
	4,
	4,
	8
};

typedef void (* j2k_mct_function) (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);

const j2k_mct_function j2k_mct_read_functions_to_float [] =
{
	j2k_read_int16_to_float,
	j2k_read_int32_to_float,
	j2k_read_float32_to_float,
	j2k_read_float64_to_float
};

const j2k_mct_function j2k_mct_read_functions_to_int32 [] =
{
	j2k_read_int16_to_int32,
	j2k_read_int32_to_int32,
	j2k_read_float32_to_int32,
	j2k_read_float64_to_int32
};

const j2k_mct_function j2k_mct_write_functions_from_float [] =
{
	j2k_write_float_to_int16,
	j2k_write_float_to_int32,
	j2k_write_float_to_float,
	j2k_write_float_to_float64
};




/*const opj_dec_stream_marker_handler_t j2k_stream_marker_handler_tab[] = 
{
  {J2K_MS_SOC, J2K_DEC_STATE_MHSOC, j2k_read_soc},
  {J2K_MS_SOD, J2K_DEC_STATE_TPH, j2k_read_sod},
  {J2K_MS_EOC, J2K_DEC_STATE_TPHSOT, j2k_read_eoc},
  {J2K_MS_SOP, 0, 0},
#ifdef USE_JPWL
  {J2K_MS_EPC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epc},
  {J2K_MS_EPB, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epb},
  {J2K_MS_ESD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_esd},
  {J2K_MS_RED, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_red},
#endif 
#ifdef USE_JPSEC
  {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
  {J2K_MS_INSEC, 0, j2k_read_insec},
#endif 

  {0, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_unk}
};*/

const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] = 
{
  {J2K_MS_SOT, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPHSOT, j2k_read_sot},
  {J2K_MS_COD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_cod},
  {J2K_MS_COC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_coc},
  {J2K_MS_RGN, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_rgn},
  {J2K_MS_QCD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_qcd},
  {J2K_MS_QCC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_qcc},
  {J2K_MS_POC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_poc},
  {J2K_MS_SIZ, J2K_DEC_STATE_MHSIZ , j2k_read_siz},
  {J2K_MS_TLM, J2K_DEC_STATE_MH, j2k_read_tlm},
  {J2K_MS_PLM, J2K_DEC_STATE_MH, j2k_read_plm},
  {J2K_MS_PLT, J2K_DEC_STATE_TPH, j2k_read_plt},
  {J2K_MS_PPM, J2K_DEC_STATE_MH, j2k_read_ppm},
  {J2K_MS_PPT, J2K_DEC_STATE_TPH, j2k_read_ppt},
  {J2K_MS_SOP, 0, 0},
  {J2K_MS_CRG, J2K_DEC_STATE_MH, j2k_read_crg},
  {J2K_MS_COM, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_com},
  {J2K_MS_MCT, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mct},
  {J2K_MS_CBD, J2K_DEC_STATE_MH , j2k_read_cbd},
  {J2K_MS_MCC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mcc},
  {J2K_MS_MCO, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mco}
#ifdef USE_JPWL
  {J2K_MS_EPC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epc},
  {J2K_MS_EPB, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epb},
  {J2K_MS_ESD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_esd},
  {J2K_MS_RED, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_red},
#endif /* USE_JPWL */
#ifdef USE_JPSEC
  {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
  {J2K_MS_INSEC, 0, j2k_read_insec}
#endif /* USE_JPSEC */
};

void  j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_UINT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_bytes(l_src_data,&l_temp,2);
		l_src_data+=sizeof(OPJ_INT16);
		*(l_dest_data++) = (OPJ_FLOAT32) l_temp;
	}
}

void  j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_UINT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_bytes(l_src_data,&l_temp,4);
		l_src_data+=sizeof(OPJ_INT32);
		*(l_dest_data++) = (OPJ_FLOAT32) l_temp;
	}
}
void  j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_FLOAT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_float(l_src_data,&l_temp);
		l_src_data+=sizeof(OPJ_FLOAT32);
		*(l_dest_data++) = l_temp;
	}
}

void  j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_FLOAT64 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_double(l_src_data,&l_temp);
		l_src_data+=sizeof(OPJ_FLOAT64);
		*(l_dest_data++) = (OPJ_FLOAT32) l_temp;
	}

}

void  j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_UINT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_bytes(l_src_data,&l_temp,2);
		l_src_data+=sizeof(OPJ_INT16);
		*(l_dest_data++) = (OPJ_INT32) l_temp;
	}
}

void  j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_UINT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_bytes(l_src_data,&l_temp,4);
		l_src_data+=sizeof(OPJ_INT32);
		*(l_dest_data++) = (OPJ_INT32) l_temp;
	}
}
void  j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_FLOAT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_float(l_src_data,&l_temp);
		l_src_data+=sizeof(OPJ_FLOAT32);
		*(l_dest_data++) = (OPJ_INT32) l_temp;
	}
}

void  j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
	OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
	OPJ_UINT32 i;
	OPJ_FLOAT64 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		opj_read_double(l_src_data,&l_temp);
		l_src_data+=sizeof(OPJ_FLOAT64);
		*(l_dest_data++) = (OPJ_INT32) l_temp;
	}

}

void  j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
	OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
	OPJ_UINT32 i;
	OPJ_UINT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		l_temp = (OPJ_UINT32) *(l_src_data++);
		opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT16));
		l_dest_data+=sizeof(OPJ_INT16);
	}
}

void  j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
	OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
	OPJ_UINT32 i;
	OPJ_UINT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		l_temp = (OPJ_UINT32) *(l_src_data++);
		opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT32));
		l_dest_data+=sizeof(OPJ_INT32);
	}
}

void  j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
	OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
	OPJ_UINT32 i;
	OPJ_FLOAT32 l_temp;

	for
		(i=0;i<p_nb_elem;++i)
	{
		l_temp = (OPJ_FLOAT32) *(l_src_data++);
		opj_write_float(l_dest_data,l_temp);
		l_dest_data+=sizeof(OPJ_FLOAT32);
	}

}

void  j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
	OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
	OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
	OPJ_UINT32 i;
	OPJ_FLOAT64 l_temp;
	for
		(i=0;i<p_nb_elem;++i)
	{
		l_temp = (OPJ_FLOAT64) *(l_src_data++);
		opj_write_double(l_dest_data,l_temp);
		l_dest_data+=sizeof(OPJ_FLOAT64);
	}
}




/**
 * Converts an enum type progression order to string type.
 * 
 * @param prg_order		the progression order to get.
 * 
 * @return	the string representation of the gicen progression order.
 */
const OPJ_CHAR * j2k_convert_progression_order(OPJ_PROG_ORDER p_prg_order)
{
	const j2k_prog_order_t *po;
	for
		(po = j2k_prog_order_list; po->enum_prog != -1; ++po )
	{
		if
			(po->enum_prog == p_prg_order)
		{
			return po->str_prog;
		}
	}
	return po->str_prog;
}







/**
 * Checks the progression order changes values. Tells if the poc given as input are valid.
 * 
 * @param	p_pocs				the progression order changes.
 * @param	p_nb_pocs			the number of progression order changes.
 * @param	p_nb_resolutions	the number of resolutions.
 * @param	numcomps			the number of components
 * @param	numlayers			the number of layers.
 * @param	p_manager			the user event manager.
 * 
 * @return	true if the pocs are valid.
 */
bool j2k_check_poc_val(const opj_poc_t *p_pocs, OPJ_UINT32 p_nb_pocs, OPJ_UINT32 p_nb_resolutions, OPJ_UINT32 p_num_comps, OPJ_UINT32 p_num_layers, opj_event_mgr_t * p_manager)
{
	OPJ_UINT32* packet_array;
	OPJ_UINT32 index , resno, compno, layno;
	OPJ_UINT32 i;
	OPJ_UINT32 step_c = 1;
	OPJ_UINT32 step_r = p_num_comps * step_c;
	OPJ_UINT32 step_l = p_nb_resolutions * step_r;
	bool loss = false;
	OPJ_UINT32 layno0 = 0;
	
	packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers, sizeof(OPJ_UINT32));
	if
		(packet_array == 00)
	{
		opj_event_msg(p_manager , EVT_ERROR, "Not enough memory for checking the poc values.\n");
		return false;
	}
	memset(packet_array,0,step_l * p_num_layers* sizeof(OPJ_UINT32));
	if
		(p_nb_pocs == 0)
	{
		return true;
	}
	
	index = step_r * p_pocs->resno0;
	// take each resolution for each poc
	for 
		(resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) 
	{
		OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
		// take each comp of each resolution for each poc
		for 
			(compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) 
		{
			OPJ_UINT32 comp_index = res_index + layno0 * step_l;
			// and finally take each layer of each res of ...
			for 
				(layno = layno0; layno < p_pocs->layno1 ; ++layno) 
			{
				//index = step_r * resno + step_c * compno + step_l * layno;
				packet_array[comp_index] = 1;
				comp_index += step_l;
			}
			res_index += step_c;
		}
		index += step_r;
	}
	++p_pocs;
	// iterate through all the pocs
	for 
		(i = 1; i < p_nb_pocs ; ++i) 
	{
		OPJ_UINT32 l_last_layno1 = (p_pocs-1)->layno1 ;
		layno0 = (p_pocs->layno1 > l_last_layno1)? l_last_layno1 : 0;
		index = step_r * p_pocs->resno0;
		// take each resolution for each poc
		for 
			(resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) 
		{
			OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
			// take each comp of each resolution for each poc
			for 
				(compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) 
			{
				OPJ_UINT32 comp_index = res_index + layno0 * step_l;
				// and finally take each layer of each res of ...
				for 
					(layno = layno0; layno < p_pocs->layno1 ; ++layno) 
				{
					//index = step_r * resno + step_c * compno + step_l * layno;
					packet_array[comp_index] = 1;
					comp_index += step_l;
				}
				res_index += step_c;
			}
			index += step_r;
		}
		++p_pocs;
	}

	index = 0;
	for 
		(layno = 0; layno < p_num_layers ; ++layno) 
	{
		for 
			(resno = 0; resno < p_nb_resolutions; ++resno) 
		{
			for 
				(compno = 0; compno < p_num_comps; ++compno) 
			{
				loss |= (packet_array[index]!=1);
				//index = step_r * resno + step_c * compno + step_l * layno;
				index += step_c;
			}
		}
	}
	if
		(loss)
	{
		opj_event_msg(p_manager , EVT_ERROR, "Missing packets possible loss of data\n");
	}
	opj_free(packet_array);
	return !loss;
}


/* ----------------------------------------------------------------------- */

/**
 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
 * 
 * @param		cp			the coding parameters.
 * @param		pino		the offset of the given poc (i.e. its position in the coding parameter).
 * @param		tileno		the given tile.
 * 
 * @return		the number of tile parts.
 */
OPJ_UINT32 j2k_get_num_tp(opj_cp_t *cp,OPJ_UINT32 pino,OPJ_UINT32 tileno)
{
	const OPJ_CHAR *prog = 00;
	OPJ_UINT32 i;
	OPJ_UINT32 tpnum = 1;
	opj_tcp_t *tcp = 00;
	opj_poc_t * l_current_poc = 00;

	// preconditions only in debug
	assert(tileno < (cp->tw * cp->th));
	assert(pino < (cp->tcps[tileno].numpocs + 1));

	// get the given tile coding parameter
	tcp = &cp->tcps[tileno];
	assert(tcp != 00);
	l_current_poc = &(tcp->pocs[pino]);
	assert(l_current_poc != 0);

	// get the progression order as a character string
	prog = j2k_convert_progression_order(tcp->prg);
	assert(strlen(prog) > 0);
	
	if
		(cp->m_specific_param.m_enc.m_tp_on == 1)
	{
		for
			(i=0;i<4;++i)
		{
			switch
				(prog[i])
			{
				// component wise
				case 'C':
					tpnum *= l_current_poc->compE;
					break;
				// resolution wise
				case 'R':
					tpnum *= l_current_poc->resE;
					break;
				// precinct wise
				case 'P':
					tpnum *= l_current_poc->prcE;
					break;
				// layer wise
				case 'L':
					tpnum *= l_current_poc->layE;
					break;
			}
			// whould we split here ?
			if
				( cp->m_specific_param.m_enc.m_tp_flag == prog[i] )
			{
				cp->m_specific_param.m_enc.m_tp_pos=i;
				break;
			}
		}
	}
	else
	{
		tpnum=1;
	}
	return tpnum;
}

/**	
 * Calculates the total number of tile parts needed by the encoder to 
 * encode such an image. If not enough memory is available, then the function return false.
 * 
 * @param	p_nb_tiles	pointer that will hold the number of tile parts.
 * @param	cp			the coding parameters for the image.
 * @param	image		the image to encode.
 * @param	p_j2k			the p_j2k encoder.
 * @param	p_manager	the user event manager.
 *
 * @return true if the function was successful, false else.
 */
bool j2k_calculate_tp(
					  opj_j2k_t *p_j2k, 
					  opj_cp_t *cp, 
					  OPJ_UINT32 * p_nb_tiles, 
					  opj_image_t *image, 
					  opj_event_mgr_t * p_manager)
{
	OPJ_UINT32 pino,tileno;
	OPJ_UINT32 l_nb_tiles;
	opj_tcp_t *tcp;
	
	// preconditions
	assert(p_nb_tiles != 00);
	assert(cp != 00);
	assert(image != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_nb_tiles = cp->tw * cp->th;
	* p_nb_tiles = 0;
	tcp = cp->tcps;

	/* INDEX >> */
	if 
		(p_j2k->cstr_info) 
	{
		opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
		for 
			(tileno = 0; tileno < l_nb_tiles; ++tileno) 
		{
			OPJ_UINT32 cur_totnum_tp = 0;
			pi_update_encoding_parameters(image,cp,tileno);
			for
				(pino = 0; pino <= tcp->numpocs; ++pino) 
			{
				OPJ_UINT32 tp_num = j2k_get_num_tp(cp,pino,tileno);
				*p_nb_tiles = *p_nb_tiles + tp_num;
				cur_totnum_tp += tp_num;
			}
			tcp->m_nb_tile_parts = cur_totnum_tp;
			l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
			if
				(l_info_tile_ptr->tp == 00)
			{
				return false;
			}
			memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
			l_info_tile_ptr->num_tps = cur_totnum_tp;
			++l_info_tile_ptr;
			++tcp;
		}
	}
	else
	{
		for 
			(tileno = 0; tileno < l_nb_tiles; ++tileno) 
		{
			OPJ_UINT32 cur_totnum_tp = 0;
			pi_update_encoding_parameters(image,cp,tileno);
			for
				(pino = 0; pino <= tcp->numpocs; ++pino) 
			{
				OPJ_UINT32 tp_num=0;
				tp_num = j2k_get_num_tp(cp,pino,tileno);
				*p_nb_tiles = *p_nb_tiles + tp_num;
				cur_totnum_tp += tp_num;
			}
			tcp->m_nb_tile_parts = cur_totnum_tp;
			++tcp;
		}
	}
	return true;
}

/**
 * Writes the SOC marker (Start Of Codestream)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/

bool j2k_write_soc(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
								)
{
	/* 2 bytes will be written */
	OPJ_BYTE * l_start_stream = 00;

	// preconditions
	assert(p_stream != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;

	/* write SOC identifier */
	opj_write_bytes(l_start_stream,J2K_MS_SOC,2);
	if
		(opj_stream_write_data(p_stream,l_start_stream,2,p_manager) != 2)
	{
		return false;
	}
/* UniPG>> */
#ifdef USE_JPWL
	/* update markers struct */
	j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
#endif /* USE_JPWL */
	return true;
/* <<UniPG */
}

/**
 * Reads a SOC marker (Start of Codestream)
 * @param	p_header_data	the data contained in the SOC box.
 * @param	jp2				the jpeg2000 file codec.
 * @param	p_header_size	the size of the data contained in the SOC marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_soc(
					opj_j2k_t *p_j2k,	
					struct opj_stream_private *p_stream, 
					struct opj_event_mgr * p_manager
				 )

{	
	OPJ_BYTE l_data [2];
	OPJ_UINT32 l_marker;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	if
		(opj_stream_read_data(p_stream,l_data,2,p_manager) != 2)
	{
		return false;
	}
	opj_read_bytes(l_data,&l_marker,2);
	if
		(l_marker != J2K_MS_SOC)
	{
		return false;
	}
	/* assure length of data is correct (0) */
	p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_MHSIZ;
	/* Index */
	if 
		(p_j2k->cstr_info) 
	{
		//TODO p_j2k->cstr_info->main_head_start = opj_stream_tell(p_stream) - 2; // why - 2 ?
		p_j2k->cstr_info->codestream_size = 0;/*p_stream_numbytesleft(p_j2k->p_stream) + 2 - p_j2k->cstr_info->main_head_start*/;
	}
	return true;
}

/**
 * Writes the SIZ marker (image and tile size)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/
bool j2k_write_siz(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 i;
	OPJ_UINT32 l_size_len;
	OPJ_BYTE * l_current_ptr;
	opj_image_t * l_image = 00;
	opj_cp_t *cp = 00;
	opj_image_comp_t * l_img_comp = 00;

	// preconditions
	assert(p_stream != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_image = p_j2k->m_image;
	cp = &(p_j2k->m_cp);
	l_size_len = 40 + 3 * l_image->numcomps;
	l_img_comp = l_image->comps;
	
	if
		(l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_size_len);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
	}
	
	l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;

	/* write SOC identifier */
	opj_write_bytes(l_current_ptr,J2K_MS_SIZ,2);	/* SIZ */
	l_current_ptr+=2;
	opj_write_bytes(l_current_ptr,l_size_len-2,2); /* L_SIZ */
	l_current_ptr+=2;
	opj_write_bytes(l_current_ptr, cp->rsiz, 2);	/* Rsiz (capabilities) */
	l_current_ptr+=2;
	opj_write_bytes(l_current_ptr, l_image->x1, 4);	/* Xsiz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, l_image->y1, 4);	/* Ysiz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, l_image->x0, 4);	/* X0siz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, l_image->y0, 4);	/* Y0siz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, cp->tdx, 4);		/* XTsiz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, cp->tdy, 4);		/* YTsiz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, cp->tx0, 4);		/* XT0siz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, cp->ty0, 4);		/* YT0siz */
	l_current_ptr+=4;
	opj_write_bytes(l_current_ptr, l_image->numcomps, 2);	/* Csiz */
	l_current_ptr+=2;
	for 
		(i = 0; i < l_image->numcomps; ++i) 
	{
		// TODO here with MCT ?
		opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7), 1);	/* Ssiz_i */
		++l_current_ptr;
		opj_write_bytes(l_current_ptr, l_img_comp->dx, 1);	/* XRsiz_i */
		++l_current_ptr;
		opj_write_bytes(l_current_ptr, l_img_comp->dy, 1);	/* YRsiz_i */
		++l_current_ptr;
		++l_img_comp;
	}
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_size_len,p_manager) != l_size_len)
	{
		return false;
	}
	return true;
}

/**
 * Reads a SIZ marker (image and tile size)
 * @param	p_header_data	the data contained in the SIZ box.
 * @param	jp2				the jpeg2000 file codec.
 * @param	p_header_size	the size of the data contained in the SIZ marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_siz (
				    opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					)
{
	OPJ_UINT32 l_size, i;
	OPJ_UINT32 l_nb_comp;
	OPJ_UINT32 l_nb_comp_remain;
	OPJ_UINT32 l_remaining_size;
	OPJ_UINT32 l_nb_tiles;
	OPJ_UINT32 l_tmp;
	opj_image_t *l_image = 00;
	opj_cp_t *l_cp = 00;
	opj_image_comp_t * l_img_comp = 00;
	opj_tcp_t * l_current_tile_param = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_header_data != 00);
	
	l_image = p_j2k->m_image;
	l_cp = &(p_j2k->m_cp);
	if
		(p_header_size < 36)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
		return false;
	}
	l_remaining_size = p_header_size - 36;
		
	l_nb_comp = l_remaining_size / 3;
	l_nb_comp_remain = l_remaining_size % 3;
	if
		(l_nb_comp_remain != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
		return false;
	}
	l_size = p_header_size + 2;			/* Lsiz */

	opj_read_bytes(p_header_data,&l_tmp ,2);			/* Rsiz (capabilities) */
	p_header_data+=2;
	l_cp->rsiz = (OPJ_RSIZ_CAPABILITIES) l_tmp;
	opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&l_image->x1) ,4);			/* Xsiz */
	p_header_data+=4;
	opj_read_bytes(p_header_data,(OPJ_UINT32*) (&l_image->y1),4);				/* Ysiz */
	p_header_data+=4;
	opj_read_bytes(p_header_data,(OPJ_UINT32*) &l_image->x0,4);				/* X0siz */
	p_header_data+=4;
	opj_read_bytes(p_header_data,(OPJ_UINT32*) &l_image->y0,4);				/* Y0siz */
	p_header_data+=4;
	opj_read_bytes(p_header_data, (&l_cp->tdx),4);				/* XTsiz */
	p_header_data+=4;
	opj_read_bytes(p_header_data,&l_cp->tdy,4);				/* YTsiz */
	p_header_data+=4;
	opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&l_cp->tx0),4);				/* XT0siz */
	p_header_data+=4;
	opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&l_cp->ty0),4);				/* YT0siz */
	p_header_data+=4;
	opj_read_bytes(p_header_data,(&l_image->numcomps),2);				/* Csiz */
	p_header_data+=2;
	if
		(l_image->numcomps != l_nb_comp)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
		return false;
	}

#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {
		/* if JPWL is on, we check whether TX errors have damaged
		  too much the SIZ parameters */
		if (!(image->x1 * image->y1)) {
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"JPWL: bad image size (%d x %d)\n",
				image->x1, image->y1);
			if (!JPWL_ASSUME || JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
		}
		if (image->numcomps != ((len - 38) / 3)) {
			opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
				"JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
				image->numcomps, ((len - 38) / 3));
			if (!JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
			/* we try to correct */
			opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
			if (image->numcomps < ((len - 38) / 3)) {
				len = 38 + 3 * image->numcomps;
				opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
					len);				
			} else {
				image->numcomps = ((len - 38) / 3);
				opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
					image->numcomps);				
			}
		}

		/* update components number in the jpwl_exp_comps filed */
		cp->exp_comps = image->numcomps;
	}
#endif /* USE_JPWL */
	
	l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps, sizeof(opj_image_comp_t));
	if
		(l_image->comps == 00)
	{
		l_image->numcomps = 0;
		opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
		return false;
	}
	memset(l_image->comps,0,l_image->numcomps * sizeof(opj_image_comp_t));
	l_img_comp = l_image->comps;
	for 
		(i = 0; i < l_image->numcomps; ++i) 
	{
		OPJ_UINT32 tmp;
		opj_read_bytes(p_header_data,&tmp,1);				/* Ssiz_i */
		++p_header_data;
		l_img_comp->prec = (tmp & 0x7f) + 1;
		l_img_comp->sgnd = tmp >> 7;
		opj_read_bytes(p_header_data,&l_img_comp->dx,1);				/* XRsiz_i */
		++p_header_data;
		opj_read_bytes(p_header_data,&l_img_comp->dy,1);				/* YRsiz_i */
		++p_header_data;
#ifdef USE_JPWL
		if (p_j2k->m_cp->correct) {
		/* if JPWL is on, we check whether TX errors have damaged
			too much the SIZ parameters, again */
			if (!(image->comps[i].dx * image->comps[i].dy)) {
				opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
					"JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
					i, i, image->comps[i].dx, image->comps[i].dy);
				if (!JPWL_ASSUME) {
					opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
					return;
				}
				/* we try to correct */
				opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
				if (!image->comps[i].dx) {
					image->comps[i].dx = 1;
					opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
						i, image->comps[i].dx);
				}
				if (!image->comps[i].dy) {
					image->comps[i].dy = 1;
					opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
						i, image->comps[i].dy);
				}
			}
			
		}
#endif /* USE_JPWL */
		l_img_comp->resno_decoded = 0;	/* number of resolution decoded */
		l_img_comp->factor = l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
		++l_img_comp;
	}
	
	l_cp->tw = int_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
	l_cp->th = int_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
	l_nb_tiles = l_cp->tw * l_cp->th;
	if
		(p_j2k->m_specific_param.m_decoder.m_discard_tiles)
	{
		p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
		p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
		p_j2k->m_specific_param.m_decoder.m_end_tile_x = int_ceildiv((p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0), l_cp->tdx);
		p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0), l_cp->tdy);
	}
	else
	{
		p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
		p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
		p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
		p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
	}

#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {
		/* if JPWL is on, we check whether TX errors have damaged
		  too much the SIZ parameters */
		if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
			opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
				"JPWL: bad number of tiles (%d x %d)\n",
				cp->tw, cp->th);
			if (!JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
			/* we try to correct */
			opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
			if (cp->tw < 1) {
				cp->tw= 1;
				opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
					cp->tw);
			}
			if (cp->tw > cp->max_tiles) {
				cp->tw= 1;
				opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
					"- setting %d tiles in x => HYPOTHESIS!!!\n",
					cp->max_tiles, cp->tw);
			}
			if (cp->th < 1) {
				cp->th= 1;
				opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
					cp->th);
			}
			if (cp->th > cp->max_tiles) {
				cp->th= 1;
				opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
					"- setting %d tiles in y => HYPOTHESIS!!!\n",
					cp->max_tiles, cp->th);
			}
		}
	}
#endif /* USE_JPWL */
	/* memory allocations */
	l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
	if
		(l_cp->tcps == 00)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
		return false;
	}
	memset(l_cp->tcps,0,l_nb_tiles*sizeof(opj_tcp_t));
	
#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {
		if (!cp->tcps) {
			opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
				"JPWL: could not alloc tcps field of cp\n");
			if (!JPWL_ASSUME || JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
		}
	}
#endif /* USE_JPWL */

	p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
	if
		(p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps  == 00)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
		return false;
	}
	memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps ,0,l_image->numcomps*sizeof(opj_tccp_t));
	
	p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records = opj_malloc(J2K_MCT_DEFAULT_NB_RECORDS * sizeof(opj_mct_data_t));
	if
		(! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
		return false;
	}
	memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records,0,J2K_MCT_DEFAULT_NB_RECORDS * sizeof(opj_mct_data_t));
	p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records = J2K_MCT_DEFAULT_NB_RECORDS;

	p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records = opj_malloc(J2K_MCC_DEFAULT_NB_RECORDS * sizeof(opj_simple_mcc_decorrelation_data_t));
	if
		(! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
		return false;
	}
	memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records,0,J2K_MCC_DEFAULT_NB_RECORDS * sizeof(opj_simple_mcc_decorrelation_data_t));
	p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records = J2K_MCC_DEFAULT_NB_RECORDS;

	/* set up default dc level shift */
	for
		(i=0;i<l_image->numcomps;++i)
	{
		if
			(! l_image->comps[i].sgnd)
		{
			p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1 << (l_image->comps[i].prec - 1);
		}
	}

	l_current_tile_param = l_cp->tcps;
	for 
		(i = 0; i < l_nb_tiles; ++i) 
	{
		l_current_tile_param->tccps = (opj_tccp_t*) opj_malloc(l_image->numcomps * sizeof(opj_tccp_t));
		if
			(l_current_tile_param->tccps == 00)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
			return false;
		}
		memset(l_current_tile_param->tccps,0,l_image->numcomps * sizeof(opj_tccp_t));
		
		++l_current_tile_param;

	}	
	p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_MH;
	opj_image_comp_update(l_image,l_cp);

	/* Index */
	if 
		(p_j2k->cstr_info) 
	{
		opj_codestream_info_t *cstr_info = p_j2k->cstr_info;
		cstr_info->image_w = l_image->x1 - l_image->x0;
		cstr_info->image_h = l_image->y1 - l_image->y0;
		cstr_info->numcomps = l_image->numcomps;
		cstr_info->tw = l_cp->tw;
		cstr_info->th = l_cp->th;
		cstr_info->tile_x = l_cp->tdx;	
		cstr_info->tile_y = l_cp->tdy;	
		cstr_info->tile_Ox = l_cp->tx0;	
		cstr_info->tile_Oy = l_cp->ty0;			
		cstr_info->tile = (opj_tile_info_t*) opj_calloc(l_nb_tiles, sizeof(opj_tile_info_t));
		if
			(cstr_info->tile == 00)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
			return false;
		}
		memset(cstr_info->tile,0,l_nb_tiles * sizeof(opj_tile_info_t));
	}
	return true;
}

/**
 * Writes the COM marker (comment)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/
bool j2k_write_com(
				    opj_j2k_t *p_j2k,
					struct opj_stream_private *p_stream,
					struct opj_event_mgr * p_manager
					)
{
	OPJ_UINT32 l_comment_size;
	OPJ_UINT32 l_total_com_size;
	const OPJ_CHAR *l_comment;
	OPJ_BYTE * l_current_ptr = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);
	
	l_comment = p_j2k->m_cp.comment;
	l_comment_size = strlen(l_comment);
	l_total_com_size = l_comment_size + 6;

	if
		(l_total_com_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_total_com_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
	}
	l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
	opj_write_bytes(l_current_ptr,J2K_MS_COM , 2);	/* COM */
	l_current_ptr+=2;
	opj_write_bytes(l_current_ptr,l_total_com_size - 2 , 2);	/* L_COM */
	l_current_ptr+=2;
	opj_write_bytes(l_current_ptr,1 , 2);	/* General use (IS 8859-15:1999 (Latin) values) */
	l_current_ptr+=2,
	memcpy(	l_current_ptr,l_comment,l_comment_size);
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_total_com_size,p_manager) != l_total_com_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads a COM marker (comments)
 * @param	p_header_data	the data contained in the COM box.
 * @param	jp2				the jpeg2000 file codec.
 * @param	p_header_size	the size of the data contained in the COM marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_com (
					opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					)
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_header_data != 00);
	return true;	
}

/**
 * Gets the size taken by writting a SPCod or SPCoc for the given tile and component.
 * 
 * @param	p_tile_no		the tile indix.
 * @param	p_comp_no		the component being outputted.
 * @param	p_j2k			the J2K codec.
 *
 * @return	the number of bytes taken by the SPCod element.
 */
OPJ_UINT32 j2k_get_SPCod_SPCoc_size (
						opj_j2k_t *p_j2k,
						OPJ_UINT32 p_tile_no,
						OPJ_UINT32 p_comp_no
						)
{
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;

	// preconditions
	assert(p_j2k != 00);
	
	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_tile_no];
	l_tccp = &l_tcp->tccps[p_comp_no];
	
	// preconditions again
	assert(p_tile_no < (l_cp->tw * l_cp->th));
	assert(p_comp_no < p_j2k->m_image->numcomps);

	if
		(l_tccp->csty & J2K_CCP_CSTY_PRT)
	{
		return 5 + l_tccp->numresolutions;
	}
	else
	{
		return 5;
	}
}


/**
 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
 * 
 * @param	p_comp_no	the component number to output.
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
 * 
*/
bool j2k_write_SPCod_SPCoc(
						    opj_j2k_t *p_j2k,
							OPJ_UINT32 p_tile_no,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
					)
{
	OPJ_UINT32 i;
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_header_size != 00);
	assert(p_manager != 00);
	assert(p_data != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_tile_no];
	l_tccp = &l_tcp->tccps[p_comp_no];
	
	// preconditions again
	assert(p_tile_no < (l_cp->tw * l_cp->th));
	assert(p_comp_no <(p_j2k->m_image->numcomps));	
	
	if
		(*p_header_size < 5)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error writting SPCod SPCoc element\n");
		return false;
	}

	opj_write_bytes(p_data,l_tccp->numresolutions - 1, 1);	/* SPcoc (D) */
	++p_data;
	opj_write_bytes(p_data,l_tccp->cblkw - 2, 1);				/* SPcoc (E) */
	++p_data;
	opj_write_bytes(p_data,l_tccp->cblkh - 2, 1);				/* SPcoc (F) */
	++p_data;
	opj_write_bytes(p_data,l_tccp->cblksty, 1);				/* SPcoc (G) */
	++p_data;
	opj_write_bytes(p_data,l_tccp->qmfbid, 1);				/* SPcoc (H) */
	++p_data;

	*p_header_size = *p_header_size - 5;
	if 
		(l_tccp->csty & J2K_CCP_CSTY_PRT) 
	{
		if
			(*p_header_size < l_tccp->numresolutions)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error writting SPCod SPCoc element\n");
			return false;
		}
		for 
			(i = 0; i < l_tccp->numresolutions; ++i) 
		{
			opj_write_bytes(p_data,l_tccp->prcw[i] + (l_tccp->prch[i] << 4), 1);				/* SPcoc (I_i) */
			++p_data;
		}
		*p_header_size = *p_header_size - l_tccp->numresolutions;

	}
	return true;
}


/**
 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
 * @param	p_header_data	the data contained in the COM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the COM marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_SPCod_SPCoc(
						    opj_j2k_t *p_j2k,	
							OPJ_UINT32 compno,
							OPJ_BYTE * p_header_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
							) 
{
	// loop	 
	OPJ_UINT32 i;
	
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;
	OPJ_BYTE * l_current_ptr = 00;
	OPJ_UINT32 l_tmp;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_header_data != 00);
	

	l_cp = &(p_j2k->m_cp);
	l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	
	// precondition again
	assert(compno < p_j2k->m_image->numcomps);
	l_tccp = &l_tcp->tccps[compno];
	l_current_ptr = p_header_data;
	

	// make sure room is sufficient
	if 
		(* p_header_size < 5)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
		return false;
	}
	opj_read_bytes(l_current_ptr, &l_tccp->numresolutions ,1);		/* SPcox (D) */
	++l_tccp->numresolutions;										/* tccp->numresolutions = read() + 1 */
	++l_current_ptr;

	// If user wants to remove more resolutions than the codestream contains, return error
	if 
		(l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) 
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
					"of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
		p_j2k->m_specific_param.m_decoder.m_state |= J2K_DEC_STATE_ERR;
		return false;
	}
	
	opj_read_bytes(l_current_ptr,&l_tccp->cblkw ,1);		/* SPcoc (E) */
	++l_current_ptr;
	l_tccp->cblkw += 2;

	opj_read_bytes(l_current_ptr,&l_tccp->cblkh ,1);		/* SPcoc (F) */
	++l_current_ptr;
	l_tccp->cblkh += 2;

	opj_read_bytes(l_current_ptr,&l_tccp->cblksty ,1);		/* SPcoc (G) */
	++l_current_ptr;

	opj_read_bytes(l_current_ptr,&l_tccp->qmfbid ,1);		/* SPcoc (H) */
	++l_current_ptr;
	
	* p_header_size = * p_header_size - 5;

	// use custom precinct size ?
	if 
		(l_tccp->csty & J2K_CCP_CSTY_PRT) 
	{
		if
			(* p_header_size < l_tccp->numresolutions)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
			return false;
		}
		for 
			(i = 0; i < l_tccp->numresolutions; ++i)
		{
			opj_read_bytes(l_current_ptr,&l_tmp ,1);		/* SPcoc (I_i) */
			++l_current_ptr;
			l_tccp->prcw[i] = l_tmp & 0xf;
			l_tccp->prch[i] = l_tmp >> 4;
		}
		* p_header_size = * p_header_size - l_tccp->numresolutions;
	}
	else
	{
		/* set default size for the precinct width and height */
		for 
			(i = 0; i < l_tccp->numresolutions; ++i)
		{
			l_tccp->prcw[i] = 15;
			l_tccp->prch[i] = 15;
		}
	}

	/* INDEX >> */
	if
		(p_j2k->cstr_info && compno == 0) 
	{
		OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
		memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx,l_tccp->prcw, l_data_size);
		memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy,l_tccp->prch, l_data_size);
	}
	/* << INDEX */
	return true;
}

/**
 * Copies the tile component parameters of all the component from the first tile component.
 * 
 * @param		p_j2k		the J2k codec.
 */
void j2k_copy_tile_component_parameters(
							opj_j2k_t *p_j2k
							) 
{
	// loop	 
	OPJ_UINT32 i;
	
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_ref_tccp = 00;
	opj_tccp_t *l_copied_tccp = 00;
	OPJ_UINT32 l_prc_size;
	// preconditions
	assert(p_j2k != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	
	l_ref_tccp = &l_tcp->tccps[0];
	l_copied_tccp = l_ref_tccp + 1;
	l_prc_size = l_ref_tccp->numresolutions * sizeof(OPJ_UINT32);

	for
		(i=1;i<p_j2k->m_image->numcomps;++i)
	{
		l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
		l_copied_tccp->cblkw = l_ref_tccp->cblkw;
		l_copied_tccp->cblkh = l_ref_tccp->cblkh;
		l_copied_tccp->cblksty = l_ref_tccp->cblksty;
		l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
		memcpy(l_copied_tccp->prcw,l_ref_tccp->prcw,l_prc_size);
		memcpy(l_copied_tccp->prch,l_ref_tccp->prch,l_prc_size);
		++l_copied_tccp;
	}
}



/**
 * Writes the COD marker (Coding style default)
 * 
 * @param	p_stream			the stream to write data to.
 * @param	p_j2k			J2K codec.
 * @param	p_manager	the user event manager.
*/
bool j2k_write_cod(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						)
{
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	OPJ_UINT32 l_code_size,l_remaining_size;
	OPJ_BYTE * l_current_data = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
	l_code_size = 9 + j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,0);
	l_remaining_size = l_code_size;
	
	if
		(l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_code_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
	}

	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;

	opj_write_bytes(l_current_data,J2K_MS_COD,2);		/* COD */
	l_current_data += 2;
	
	opj_write_bytes(l_current_data,l_code_size-2,2);		/* L_COD */
	l_current_data += 2;

	opj_write_bytes(l_current_data,l_tcp->csty,1);		/* Scod */
	++l_current_data;

	opj_write_bytes(l_current_data,l_tcp->prg,1);		/* SGcod (A) */
	++l_current_data;
	
	opj_write_bytes(l_current_data,l_tcp->numlayers,2);		/* SGcod (B) */
	l_current_data+=2;

	opj_write_bytes(l_current_data,l_tcp->mct,1);		/* SGcod (C) */
	++l_current_data;
	
	l_remaining_size -= 9;
	
	if
		(! j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error writting COD marker\n");
		return false;
	}
	if
		(l_remaining_size != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error writting COD marker\n");
		return false;
	}

	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_code_size,p_manager) != l_code_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads a COD marker (Coding Styke defaults)
 * @param	p_header_data	the data contained in the COD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the COD marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_cod (
					opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					)
{
	// loop
	OPJ_UINT32 i;
	OPJ_UINT32 l_tmp;
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_image_t *l_image = 00;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH) ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	l_image = p_j2k->m_image;
	
	// make sure room is sufficient
	if
		(p_header_size < 5)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
		return false;
	}
	
	opj_read_bytes(p_header_data,&l_tcp->csty,1);			/* Scod */
	++p_header_data;
	opj_read_bytes(p_header_data,&l_tmp,1);			/* SGcod (A) */
	++p_header_data;
	l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
	opj_read_bytes(p_header_data,&l_tcp->numlayers,2);	/* SGcod (B) */
	p_header_data+=2;
	if
		(l_cp->m_specific_param.m_dec.m_layer)
	{
		l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
	}
	else
	{
		l_tcp->num_layers_to_decode = l_tcp->numlayers;
	}

	opj_read_bytes(p_header_data,&l_tcp->mct,1);			/* SGcod (C) */
	++p_header_data;
	
	p_header_size -= 5;
	for 
		(i = 0; i < l_image->numcomps; ++i) 
	{
		l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
	}

	if
		(! j2k_read_SPCod_SPCoc(p_j2k,0,p_header_data,&p_header_size,p_manager))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
		return false;
	}
	if
		(p_header_size != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
		return false;
	}
	j2k_copy_tile_component_parameters(p_j2k);
	

	/* Index */
	if 
		(p_j2k->cstr_info) 
	{
		opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;
		l_cstr_info->prog = l_tcp->prg;
		l_cstr_info->numlayers = l_tcp->numlayers;
		l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(l_image->numcomps * sizeof(OPJ_UINT32));
		for 
			(i = 0; i < l_image->numcomps; ++i) 
		{
			l_cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
		}
	}
	return true;
}

/**
 * Writes the COC marker (Coding style component)
 * 
 * @param	p_comp_no		the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_coc(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_no,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						)
{
	OPJ_UINT32 l_coc_size,l_remaining_size;
	OPJ_UINT32 l_comp_room;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_comp_room = (p_j2k->m_image->numcomps <= 256) ? 1 : 2;

	l_coc_size = 5 + l_comp_room + j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
	if
		(l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_coc_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
	}

	j2k_write_coc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager);
	
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_coc_size,p_manager) != l_coc_size)
	{
		return false;
	}
	return true;
}

/**
 * Gets the maximum size taken by a coc.
 * 
 * @param	p_j2k	the jpeg2000 codec to use.
 */
OPJ_UINT32 j2k_get_max_coc_size(opj_j2k_t *p_j2k)
{
	OPJ_UINT32 i,j;
	OPJ_UINT32 l_nb_comp;
	OPJ_UINT32 l_nb_tiles;
	OPJ_UINT32 l_max = 0;
	
	// preconditions

	l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
	l_nb_comp = p_j2k->m_image->numcomps;

	for
		(i=0;i<l_nb_tiles;++i)
	{
		for
			(j=0;j<l_nb_comp;++j)
		{
			l_max = uint_max(l_max,j2k_get_SPCod_SPCoc_size(p_j2k,i,j));
		}
	}
	return 6 + l_max;
}

/**
 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
 */
OPJ_UINT32 j2k_get_max_toc_size (opj_j2k_t *p_j2k)
{
	OPJ_UINT32 i;
	OPJ_UINT32 l_nb_tiles;
	OPJ_UINT32 l_max = 0;
	opj_tcp_t * l_tcp = 00;
	// preconditions

	l_tcp = p_j2k->m_cp.tcps;
	l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;

	for
		(i=0;i<l_nb_tiles;++i)
	{
		l_max = uint_max(l_max,l_tcp->m_nb_tile_parts);
		++l_tcp;
	}
	return 12 * l_max;
}


/**
 * Gets the maximum size taken by the headers of the SOT.
 * 
 * @param	p_j2k	the jpeg2000 codec to use.
 */
OPJ_UINT32 j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
{
	OPJ_UINT32 l_nb_bytes = 0;
	OPJ_UINT32 l_nb_comps;
	OPJ_UINT32 l_coc_bytes,l_qcc_bytes; 


	l_nb_comps = p_j2k->m_image->numcomps - 1;
	l_nb_bytes += j2k_get_max_toc_size(p_j2k);
	if
		(p_j2k->m_cp.m_specific_param.m_enc.m_cinema == 0)
	{
		l_coc_bytes = j2k_get_max_coc_size(p_j2k);
		l_nb_bytes += l_nb_comps * l_coc_bytes;
		l_qcc_bytes = j2k_get_max_qcc_size(p_j2k);
		l_nb_bytes += l_nb_comps * l_qcc_bytes;	
	}
	l_nb_bytes += j2k_get_max_poc_size(p_j2k);
	/*** DEVELOPER CORNER, Add room for your headers ***/
	

	return l_nb_bytes;
}


/**
 * Writes the COC marker (Coding style component)
 * 
 * @param	p_comp_no		the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
void j2k_write_coc_in_memory(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_data_written,
							struct opj_event_mgr * p_manager
						)
{
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	OPJ_UINT32 l_coc_size,l_remaining_size;
	OPJ_BYTE * l_current_data = 00;
	opj_image_t *l_image = 00;
	OPJ_UINT32 l_comp_room;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
	l_image = p_j2k->m_image;
	l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;

	l_coc_size = 5 + l_comp_room + j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
	l_remaining_size = l_coc_size;
	
	l_current_data = p_data;

	opj_write_bytes(l_current_data,J2K_MS_COC,2);				/* COC */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_coc_size-2,2);				/* L_COC */
	l_current_data += 2;
	opj_write_bytes(l_current_data,p_comp_no, l_comp_room);		/* Ccoc */
	l_current_data+=l_comp_room;
	opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty, 1);		/* Scoc */
	++l_current_data;
	l_remaining_size -= (5 + l_comp_room);
	j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager);
	* p_data_written = l_coc_size;
}


/**
 * Reads a COC marker (Coding Style Component)
 * @param	p_header_data	the data contained in the COC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the COC marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_coc (
					opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					)
{
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_image_t *l_image = 00;
	OPJ_UINT32 l_comp_room;
	OPJ_UINT32 l_comp_no;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH) ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	l_image = p_j2k->m_image;
	
	l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
	// make sure room is sufficient
	if
		(p_header_size < l_comp_room + 1)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
		return false;
	}
	p_header_size -= l_comp_room + 1;

	opj_read_bytes(p_header_data,&l_comp_no,l_comp_room);			/* Ccoc */
	p_header_data += l_comp_room;
	if
		(l_comp_no >= l_image->numcomps)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker (bad number of components)\n");
		return false;
	}
	opj_read_bytes(p_header_data,&l_tcp->tccps[l_comp_no].csty,1);			/* Scoc */
	++p_header_data ;

	if
		(! j2k_read_SPCod_SPCoc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
		return false;
	}
	if
		(p_header_size != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
		return false;
	}
	return true;
}

/**
 * Gets the size taken by writting SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
 * 
 * @param	p_tile_no		the tile indix.
 * @param	p_comp_no		the component being outputted.
 * @param	p_j2k			the J2K codec.
 *
 * @return	the number of bytes taken by the SPCod element.
 */
OPJ_UINT32 j2k_get_SQcd_SQcc_size (
						opj_j2k_t *p_j2k,
						OPJ_UINT32 p_tile_no,
						OPJ_UINT32 p_comp_no
						)
{
	OPJ_UINT32 l_num_bands;
	
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;

	// preconditions
	assert(p_j2k != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_tile_no];
	l_tccp = &l_tcp->tccps[p_comp_no];
	
	// preconditions again
	assert(p_tile_no < l_cp->tw * l_cp->th);
	assert(p_comp_no < p_j2k->m_image->numcomps);	
	
	l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2);
	
	if 
		(l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) 
	{
		return 1 + l_num_bands;
	}
	else
	{
		return 1 + 2*l_num_bands;
	}
}

/**
 * Writes a SQcd or SQcc element, i.e. the quantization values of a band.
 * 
 * @param	p_tile_no		the tile to output.
 * @param	p_comp_no		the component number to output.
 * @param	p_data			the data buffer.
 * @param	p_header_size	pointer to the size of the data buffer, it is changed by the function.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
 * 
*/
bool j2k_write_SQcd_SQcc(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_tile_no,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
					)
{
	OPJ_UINT32 l_header_size;
	OPJ_UINT32 l_band_no, l_num_bands;
	OPJ_UINT32 l_expn,l_mant;
	
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_header_size != 00);
	assert(p_manager != 00);
	assert(p_data != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_tile_no];
	l_tccp = &l_tcp->tccps[p_comp_no];
	
	// preconditions again
	assert(p_tile_no < l_cp->tw * l_cp->th);
	assert(p_comp_no <p_j2k->m_image->numcomps);	
	
	l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2);
	
	if 
		(l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) 
	{
		l_header_size = 1 + l_num_bands;
		if
			(*p_header_size < l_header_size)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error writting SQcd SQcc element\n");
			return false;
		}
		opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1);	/* Sqcx */
		++p_data;
		for 
			(l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) 
		{
			l_expn = l_tccp->stepsizes[l_band_no].expn;
			opj_write_bytes(p_data, l_expn << 3, 1);	/* SPqcx_i */
			++p_data;
		}
	}
	else
	{
		l_header_size = 1 + 2*l_num_bands;
		if
			(*p_header_size < l_header_size)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error writting SQcd SQcc element\n");
			return false;
		}
		opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1);	/* Sqcx */
		++p_data;
		for 
			(l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) 
		{
			l_expn = l_tccp->stepsizes[l_band_no].expn;
			l_mant = l_tccp->stepsizes[l_band_no].mant;
			opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2);	/* SPqcx_i */
			p_data += 2;
		}
	}
	*p_header_size = *p_header_size - l_header_size;
	return true;
}

/**
 * Reads a SQcd or SQcc element, i.e. the quantization values of a band.
 *
 * @param	p_comp_no		the component being targeted.
 * @param	p_header_data	the data contained in the COM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the COM marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_SQcd_SQcc(
							opj_j2k_t *p_j2k,	
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE* p_header_data,
							OPJ_UINT32 * p_header_size,
							struct opj_event_mgr * p_manager
							) 
{
	// loop	 
	OPJ_UINT32 l_band_no;
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;
	OPJ_BYTE * l_current_ptr = 00;
	OPJ_UINT32 l_tmp;
	OPJ_UINT32 l_num_band;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_header_data != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	// precondition again
	assert(p_comp_no <  p_j2k->m_image->numcomps);
	l_tccp = &l_tcp->tccps[p_comp_no];
	l_current_ptr = p_header_data;
	
	if
		(* p_header_size < 1)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
		return false;
	}
	* p_header_size -= 1;

	opj_read_bytes(l_current_ptr, &l_tmp ,1);			/* Sqcx */
	++l_current_ptr;

	l_tccp->qntsty = l_tmp & 0x1f;
	l_tccp->numgbits = l_tmp >> 5;
	if
		(l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT)
	{
        l_num_band = 1;
	}
	else
	{
		l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? (*p_header_size) : (*p_header_size) / 2;
	}

#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {

		/* if JPWL is on, we check whether there are too many subbands */
		if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
			opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
				"JPWL: bad number of subbands in Sqcx (%d)\n",
				numbands);
			if (!JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
			/* we try to correct */
			numbands = 1;
			opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
				"- setting number of bands to %d => HYPOTHESIS!!!\n",
				numbands);
		};

	};
#endif /* USE_JPWL */
	if 
		(l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) 
	{
		for 
			(l_band_no = 0; l_band_no < l_num_band; l_band_no++) 
		{
			opj_read_bytes(l_current_ptr, &l_tmp ,1);			/* SPqcx_i */
			++l_current_ptr;
			l_tccp->stepsizes[l_band_no].expn = l_tmp>>3;
			l_tccp->stepsizes[l_band_no].mant = 0;
		} 
		* p_header_size = * p_header_size - l_num_band;
	}
	else 
	{
		for 
			(l_band_no = 0; l_band_no < l_num_band; l_band_no++) 
		{
			opj_read_bytes(l_current_ptr, &l_tmp ,2);			/* SPqcx_i */
			l_current_ptr+=2;
			l_tccp->stepsizes[l_band_no].expn = l_tmp >> 11;
			l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
		}
		* p_header_size = * p_header_size - 2*l_num_band;
	}
	
	/* Add Antonin : if scalar_derived -> compute other stepsizes */
	if 
		(l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) 
	{
		for 
			(l_band_no = 1; l_band_no < J2K_MAXBANDS; l_band_no++) 
		{
			l_tccp->stepsizes[l_band_no].expn = 
				((l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) > 0) ? 
					(l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) : 0;
			l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
		}
		
	}
	return true;
}



/**
 * Copies the tile component parameters of all the component from the first tile component.
 * 
 * @param		p_j2k		the J2k codec.
 */
void j2k_copy_tile_quantization_parameters(
							opj_j2k_t *p_j2k
							) 
{
	// loop	 
	OPJ_UINT32 i;
	
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_ref_tccp = 00;
	opj_tccp_t *l_copied_tccp = 00;
	OPJ_UINT32 l_size;
	// preconditions
	assert(p_j2k != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	// precondition again
	l_ref_tccp = &l_tcp->tccps[0];
	l_copied_tccp = l_ref_tccp + 1;
	l_size = J2K_MAXBANDS * sizeof(opj_stepsize_t);
	
	for
		(i=1;i<p_j2k->m_image->numcomps;++i)
	{
		l_copied_tccp->qntsty = l_ref_tccp->qntsty;
		l_copied_tccp->numgbits = l_ref_tccp->numgbits;
		memcpy(l_copied_tccp->stepsizes,l_ref_tccp->stepsizes,l_size);
		++l_copied_tccp;
	}
}



/**
 * Writes the QCD marker (quantization default)
 * 
 * @param	p_comp_number	the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_qcd(
							opj_j2k_t *p_j2k,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						  )
{
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	OPJ_UINT32 l_qcd_size,l_remaining_size;
	OPJ_BYTE * l_current_data = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
	l_qcd_size = 4 + j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,0);
	l_remaining_size = l_qcd_size;
	
	if
		(l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_qcd_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
	}
	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;

	opj_write_bytes(l_current_data,J2K_MS_QCD,2);		/* QCD */
	l_current_data += 2;
	
	opj_write_bytes(l_current_data,l_qcd_size-2,2);		/* L_QCD */
	l_current_data += 2;

	l_remaining_size -= 4;

	if
		(! j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error writting QCD marker\n");
		return false;
	}
	if
		(l_remaining_size != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error writting QCD marker\n");
		return false;
	}

	if
		(opj_stream_write_data(p_stream, p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcd_size,p_manager) != l_qcd_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads a QCD marker (Quantization defaults)
 * @param	p_header_data	the data contained in the QCD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the QCD marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_qcd (
				    opj_j2k_t *p_j2k,	
					OPJ_BYTE * p_header_data, 
					OPJ_UINT32 p_header_size,
					struct opj_event_mgr * p_manager
					)
{
	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(! j2k_read_SQcd_SQcc(p_j2k,0,p_header_data,&p_header_size,p_manager))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
		return false;
	}
	if
		(p_header_size != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
		return false;
	}
	j2k_copy_tile_quantization_parameters(p_j2k);
	return true;
}


/**
 * Writes the QCC marker (quantization component)
 * 
 * @param	p_comp_no	the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_qcc(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_no,
							struct opj_stream_private *p_stream,
							struct opj_event_mgr * p_manager
						  )
{
	OPJ_UINT32 l_qcc_size,l_remaining_size;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_qcc_size = 6 + j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
	l_remaining_size = l_qcc_size;
	if
		(l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_qcc_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
	}
	j2k_write_qcc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager);

	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcc_size,p_manager) != l_qcc_size)
	{
		return false;
	}
	return true;
}


/**
 * Writes the QCC marker (quantization component)
 * 
 * @param	p_comp_no	the index of the component to output.
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
void j2k_write_qcc_in_memory(
							opj_j2k_t *p_j2k,
							OPJ_UINT32 p_comp_no,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_data_written,
							struct opj_event_mgr * p_manager
						  )
{
	OPJ_UINT32 l_qcc_size,l_remaining_size;
	OPJ_BYTE * l_current_data = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_qcc_size = 6 + j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
	l_remaining_size = l_qcc_size;

	l_current_data = p_data;

	opj_write_bytes(l_current_data,J2K_MS_QCC,2);		/* QCC */
	l_current_data += 2;
	
	if
		(p_j2k->m_image->numcomps <= 256)
	{
		--l_qcc_size;
		opj_write_bytes(l_current_data,l_qcc_size-2,2);		/* L_QCC */
		l_current_data += 2;
		opj_write_bytes(l_current_data, p_comp_no, 1);	/* Cqcc */
		++l_current_data;
		// in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available
		l_remaining_size -= 6;
	}
	else
	{
		opj_write_bytes(l_current_data,l_qcc_size-2,2);		/* L_QCC */
		l_current_data += 2;
		opj_write_bytes(l_current_data, p_comp_no, 2);	/* Cqcc */
		l_current_data+=2;
		l_remaining_size -= 6;
	}
	j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,p_comp_no,l_current_data,&l_remaining_size,p_manager);
	* p_data_written = l_qcc_size;
}

/**
 * Gets the maximum size taken by a qcc.
 */
OPJ_UINT32 j2k_get_max_qcc_size (opj_j2k_t *p_j2k)
{
	return j2k_get_max_coc_size(p_j2k);
}

/**
 * Reads a QCC marker (Quantization component)
 * @param	p_header_data	the data contained in the QCC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the QCC marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_qcc(
							opj_j2k_t *p_j2k,	
							OPJ_BYTE * p_header_data, 
							OPJ_UINT32 p_header_size,
							struct opj_event_mgr * p_manager) 
{
	OPJ_UINT32 l_num_comp,l_comp_no;
	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_num_comp = p_j2k->m_image->numcomps;

#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {

		static OPJ_UINT32 backup_compno = 0;

		/* compno is negative or larger than the number of components!!! */
		if ((compno < 0) || (compno >= numcomp)) {
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
				compno, numcomp);
			if (!JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
			/* we try to correct */
			compno = backup_compno % numcomp;
			opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
				"- setting component number to %d\n",
				compno);
		}

		/* keep your private count of tiles */
		backup_compno++;
	};
#endif /* USE_JPWL */
	if
		(l_num_comp <= 256)
	{
		if
			(p_header_size < 1)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
			return false;
		}
		opj_read_bytes(p_header_data,&l_comp_no,1);
		++p_header_data;
		--p_header_size;
	}
	else
	{
		if
			(p_header_size < 2)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
			return false;
		}
		opj_read_bytes(p_header_data,&l_comp_no,2);
		p_header_data+=2;
		p_header_size-=2;
	}
	if
		(! j2k_read_SQcd_SQcc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
		return false;
	}
	if
		(p_header_size != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
		return false;
	}
	return true;
	
}


/**
 * Writes the CBD marker (Component bit depth definition)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_cbd(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 i;
	OPJ_UINT32 l_cbd_size;
	OPJ_BYTE * l_current_data = 00;
	opj_image_t *l_image = 00;
	opj_image_comp_t * l_comp = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_image = p_j2k->m_image;
	l_cbd_size = 6 + p_j2k->m_image->numcomps;
	
	if
		(l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_cbd_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
	}

	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
	opj_write_bytes(l_current_data,J2K_MS_CBD,2);					/* CBD */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_cbd_size-2,2);					/* L_CBD */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_image->numcomps, 2);		/* Ncbd */
	l_current_data+=2;
	l_comp = l_image->comps;
	for
		(i=0;i<l_image->numcomps;++i)
	{
		opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1), 1);		/* Component bit depth */
		++l_current_data;
		++l_comp;
	}
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_cbd_size,p_manager) != l_cbd_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads a CBD marker (Component bit depth definition)
 * @param	p_header_data	the data contained in the CBD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the CBD marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_cbd (
							opj_j2k_t *p_j2k,	
							OPJ_BYTE * p_header_data, 
							OPJ_UINT32 p_header_size,
							struct opj_event_mgr * p_manager) 
{
	OPJ_UINT32 l_nb_comp,l_num_comp;
	OPJ_UINT32 l_comp_def;
	OPJ_UINT32 i;
	opj_image_comp_t * l_comp = 00;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_num_comp = p_j2k->m_image->numcomps;
	
	if
		(p_header_size != (p_j2k->m_image->numcomps + 2))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
		return false;
	}
	opj_read_bytes(p_header_data,&l_nb_comp,2);				/* Ncbd */
	p_header_data+=2;
	if
		(l_nb_comp != l_num_comp)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
		return false;
	}

	l_comp = p_j2k->m_image->comps;
	for
		(i=0;i<l_num_comp;++i)
	{
		opj_read_bytes(p_header_data,&l_comp_def,1);			/* Component bit depth */
		++p_header_data;
        l_comp->sgnd = (l_comp_def>>7) & 1;
		l_comp->prec = (l_comp_def&0x7f) + 1;
		++l_comp;
	}
	return true;
}

/**
 * Writes the MCC marker (Multiple Component Collection)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_mcc_record(
						opj_j2k_t *p_j2k,
						struct opj_simple_mcc_decorrelation_data * p_mcc_record,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 i;
	OPJ_UINT32 l_mcc_size;
	OPJ_BYTE * l_current_data = 00;
	OPJ_UINT32 l_nb_bytes_for_comp;
	OPJ_UINT32 l_mask;
	OPJ_UINT32 l_tmcc;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	
	if
		(p_mcc_record->m_nb_comps > 255 )
	{
        l_nb_bytes_for_comp = 2;
		l_mask = 0x8000;
	}
	else
	{
		l_nb_bytes_for_comp = 1;
		l_mask = 0;
	}

	l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
	if
		(l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_mcc_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
	}
	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
	opj_write_bytes(l_current_data,J2K_MS_MCC,2);					/* MCC */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_mcc_size-2,2);					/* Lmcc */
	l_current_data += 2;
	
	/* first marker */
	opj_write_bytes(l_current_data,0,2);					/* Zmcc */
	l_current_data += 2;
	opj_write_bytes(l_current_data,p_mcc_record->m_index,1);					/* Imcc -> no need for other values, take the first */
	++l_current_data;
	/* only one marker atm */
	opj_write_bytes(l_current_data,0,2);					/* Ymcc */
	l_current_data+=2;
	opj_write_bytes(l_current_data,1,2);					/* Qmcc -> number of collections -> 1 */ 
	l_current_data+=2;
	opj_write_bytes(l_current_data,0x1,1);					/* Xmcci type of component transformation -> array based decorrelation */
	++l_current_data;

	opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps | l_mask,2);	/* Nmcci number of input components involved and size for each component offset = 8 bits */
	l_current_data+=2;

	for
		(i=0;i<p_mcc_record->m_nb_comps;++i)
	{
		opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp);				/* Cmccij Component offset*/
		l_current_data+=l_nb_bytes_for_comp;
	}

	opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps|l_mask,2);	/* Mmcci number of output components involved and size for each component offset = 8 bits */
	l_current_data+=2;
	for
		(i=0;i<p_mcc_record->m_nb_comps;++i)
	{
		opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp);				/* Wmccij Component offset*/
		l_current_data+=l_nb_bytes_for_comp;
	}
	l_tmcc = ((!p_mcc_record->m_is_irreversible)&1)<<16;
	if
		(p_mcc_record->m_decorrelation_array)
	{
		l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
	}
	if
		(p_mcc_record->m_offset_array)
	{
		l_tmcc |= ((p_mcc_record->m_offset_array->m_index)<<8);
	}
	opj_write_bytes(l_current_data,l_tmcc,3);	/* Tmcci : use MCT defined as number 1 and irreversible array based. */
	l_current_data+=3;
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mcc_size,p_manager) != l_mcc_size)
	{
		return false;
	}
	return true;
}


/**
 * Reads a MCC marker (Multiple Component Collection)
 * 
 * @param	p_header_data	the data contained in the MCC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the MCC marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_mcc (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 i,j;
	OPJ_UINT32 l_tmp;
	OPJ_UINT32 l_indix;
	opj_tcp_t * l_tcp;
	opj_simple_mcc_decorrelation_data_t * l_mcc_record;
	opj_mct_data_t * l_mct_data;
	OPJ_UINT32 l_nb_collections;
	OPJ_UINT32 l_nb_comps;
	OPJ_UINT32 l_nb_bytes_by_comp;


	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	
	if
		(p_header_size < 2)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
		return false;
	}
	
	/* first marker */
	opj_read_bytes(p_header_data,&l_tmp,2);				/* Zmcc */
	p_header_data += 2;
	if
		(l_tmp != 0)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n");
		return true;
	}
	if
		(p_header_size < 7)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
		return false;
	}
	opj_read_bytes(p_header_data,&l_indix,1);				/* Imcc -> no need for other values, take the first */
	++p_header_data;
	
	l_mcc_record = l_tcp->m_mcc_records;
	for
		(i=0;i<l_tcp->m_nb_mcc_records;++i)
	{
		if
			(l_mcc_record->m_index == l_indix)
		{
			break;
		}
		++l_mcc_record;
	}
	/** NOT FOUND */
	if
		(i == l_tcp->m_nb_mcc_records)
	{
		if
			(l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records)
		{
			l_tcp->m_nb_max_mcc_records += J2K_MCC_DEFAULT_NB_RECORDS;
			l_tcp->m_mcc_records = opj_realloc(l_tcp->m_mcc_records,l_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t));
			if
				(! l_tcp->m_mcc_records)
			{
				opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
				return false;
			}
			l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
			memset(l_mcc_record,0,(l_tcp->m_nb_max_mcc_records-l_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t));
		}
		l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
	}
	l_mcc_record->m_index = l_indix;

	/* only one marker atm */
	opj_read_bytes(p_header_data,&l_tmp,2);				/* Ymcc */
	p_header_data+=2;
	if
		(l_tmp != 0)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n");
		return true;
	}
	opj_read_bytes(p_header_data,&l_nb_collections,2);				/* Qmcc -> number of collections -> 1 */ 
	p_header_data+=2;
	if
		(l_nb_collections > 1)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple collections\n");
		return true;
	}
	p_header_size -= 7;
	for
		(i=0;i<l_nb_collections;++i)
	{
		if
			(p_header_size < 3)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
			return false;
		}
		opj_read_bytes(p_header_data,&l_tmp,1);	/* Xmcci type of component transformation -> array based decorrelation */ 
		++p_header_data;
		if
			(l_tmp != 1)
		{
			opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections other than array decorrelation\n");
			return true;
		}
		opj_read_bytes(p_header_data,&l_nb_comps,2);
		p_header_data+=2;
		p_header_size-=3;
		l_nb_bytes_by_comp = 1 + (l_nb_comps>>15);
		l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
		if
			(p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2))
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
			return false;
		}
		p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
		for
			(j=0;j<l_mcc_record->m_nb_comps;++j)
		{
			opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp);	/* Cmccij Component offset*/
			p_header_data+=l_nb_bytes_by_comp;
			if
				(l_tmp != j)
			{
				opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n");
				return true;
			}
		}
		opj_read_bytes(p_header_data,&l_nb_comps,2);
		p_header_data+=2;
		l_nb_bytes_by_comp = 1 + (l_nb_comps>>15);
		l_nb_comps &= 0x7fff;
		if
			(l_nb_comps != l_mcc_record->m_nb_comps)
		{
			opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections without same number of indixes\n");
			return true;
		}
		if
			(p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3))
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
			return false;
		}
		p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
		for
			(j=0;j<l_mcc_record->m_nb_comps;++j)
		{
			opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp);	/* Wmccij Component offset*/
			p_header_data+=l_nb_bytes_by_comp;
			if
				(l_tmp != j)
			{
				opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n");
				return true;
			}
		}
		opj_read_bytes(p_header_data,&l_tmp,3);	/* Wmccij Component offset*/
		p_header_data += 3;
		l_mcc_record->m_is_irreversible = ! ((l_tmp>>16) & 1);
		l_mcc_record->m_decorrelation_array = 00;
		l_mcc_record->m_offset_array = 00;
		l_indix = l_tmp & 0xff;
		if
			(l_indix != 0)
		{
			l_mct_data = l_tcp->m_mct_records;
			for
				(j=0;j<l_tcp->m_nb_mct_records;++j)
			{
				if
					(l_mct_data->m_index == l_indix)
				{
					l_mcc_record->m_decorrelation_array = l_mct_data;
					break;
				}
				++l_mct_data;
			}
			if
				(l_mcc_record->m_decorrelation_array == 00)
			{
				opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
				return false;
			}
		}
		l_indix = (l_tmp >> 8) & 0xff;
		if
			(l_indix != 0)
		{
			l_mct_data = l_tcp->m_mct_records;
			for
				(j=0;j<l_tcp->m_nb_mct_records;++j)
			{
				if
					(l_mct_data->m_index == l_indix)
				{
					l_mcc_record->m_offset_array = l_mct_data;
					break;
				}
				++l_mct_data;
			}
			if
				(l_mcc_record->m_offset_array == 00)
			{
				opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
				return false;
			}
		}
	}
	if
		(p_header_size != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
		return false;
	}
	++l_tcp->m_nb_mcc_records;
	return true;
}

/**
 * Writes the MCT marker (Multiple Component Transform)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_mct_record(
						opj_j2k_t *p_j2k,
						opj_mct_data_t * p_mct_record,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 l_mct_size;
	OPJ_BYTE * l_current_data = 00;
	OPJ_UINT32 l_tmp;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_mct_size = 10 + p_mct_record->m_data_size;
	if
		(l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_mct_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
	}
	
	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
	
	opj_write_bytes(l_current_data,J2K_MS_MCT,2);					/* MCT */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_mct_size-2,2);					/* Lmct */
	l_current_data += 2;
	opj_write_bytes(l_current_data,0,2);							/* Zmct */
	l_current_data += 2;
	/* only one marker atm */
	l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) | (p_mct_record->m_element_type << 10);
	opj_write_bytes(l_current_data,l_tmp,2);
	l_current_data += 2;
	opj_write_bytes(l_current_data,0,2);							/* Ymct */	
	l_current_data+=2;
	
	memcpy(l_current_data,p_mct_record->m_data,p_mct_record->m_data_size);
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mct_size,p_manager) != l_mct_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads a MCT marker (Multiple Component Transform)
 * 
 * @param	p_header_data	the data contained in the MCT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the MCT marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_mct (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 i;
	opj_tcp_t *l_tcp = 00;
	OPJ_UINT32 l_tmp;
	OPJ_UINT32 l_indix;
	opj_mct_data_t * l_mct_data;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	
	l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;

	if
		(p_header_size < 2)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
		return false;
	}
	/* first marker */
	opj_read_bytes(p_header_data,&l_tmp,2);				/* Zmct */
	p_header_data += 2;
	if
		(l_tmp != 0)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge mct data within multiple MCT records\n");
		return true;
	}
	if
		(p_header_size <= 6)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
		return false;
	}
	opj_read_bytes(p_header_data,&l_tmp,2);				/* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
	p_header_data += 2;
	
	l_indix = l_tmp & 0xff;
	l_mct_data = l_tcp->m_mct_records;
	for
		(i=0;i<l_tcp->m_nb_mct_records;++i)
	{
		if
			(l_mct_data->m_index == l_indix)
		{
			break;
		}
		++l_mct_data;
	}
	/* NOT FOUND */
	if
		(i == l_tcp->m_nb_mct_records)
	{
		if
			(l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records)
		{
			l_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
			l_tcp->m_mct_records = opj_realloc(l_tcp->m_mct_records,l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
			if
				(! l_tcp->m_mct_records)
			{
				opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
				return false;
			}
			l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
			memset(l_mct_data ,0,(l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
		}
		l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
	}
	if
		(l_mct_data->m_data)
	{
		opj_free(l_mct_data->m_data);
		l_mct_data->m_data = 00;
	}
	l_mct_data->m_index = l_indix;
	l_mct_data->m_array_type = (l_tmp  >> 8) & 3;
	l_mct_data->m_element_type = (l_tmp  >> 10) & 3;

	opj_read_bytes(p_header_data,&l_tmp,2);				/* Ymct */	
	p_header_data+=2;
	if
		(l_tmp != 0)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple MCT markers\n");
		return true;
	}
	p_header_size -= 6;
	l_mct_data->m_data = opj_malloc(p_header_size);
	if
		(! l_mct_data->m_data)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
		return false;
	}
	memcpy(l_mct_data->m_data,p_header_data,p_header_size);
	l_mct_data->m_data_size = p_header_size;
	++l_tcp->m_nb_mct_records;
	return true;
}

bool	 j2k_setup_mct_encoding (opj_tcp_t * p_tcp,opj_image_t * p_image)
{
	OPJ_UINT32 i;
	OPJ_UINT32 l_indix = 1;
	opj_mct_data_t * l_mct_deco_data = 00,* l_mct_offset_data = 00;
	opj_simple_mcc_decorrelation_data_t * l_mcc_data;
	OPJ_UINT32 l_mct_size,l_nb_elem;
	OPJ_FLOAT32 * l_data, * l_current_data;
	opj_tccp_t * l_tccp;

	// preconditions
	assert(p_tcp != 00);

	if
		(p_tcp->mct != 2)
	{
		return true;
	}
	
	if
		(p_tcp->m_mct_decoding_matrix)
	{
		if
			(p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records)
		{
			p_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
			p_tcp->m_mct_records = opj_realloc(p_tcp->m_mct_records,p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
			if
				(! p_tcp->m_mct_records)
			{
				return false;
			}
			l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
			memset(l_mct_deco_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
		}
		l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;

		if
			(l_mct_deco_data->m_data)
		{
			opj_free(l_mct_deco_data->m_data);
			l_mct_deco_data->m_data = 00;
		}
		l_mct_deco_data->m_index = l_indix++;
		l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
		l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
		l_nb_elem = p_image->numcomps * p_image->numcomps;
		l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
		l_mct_deco_data->m_data = opj_malloc(l_mct_size );
		if
			(! l_mct_deco_data->m_data)
		{
			return false;
		}
		j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](p_tcp->m_mct_decoding_matrix,l_mct_deco_data->m_data,l_nb_elem);
		l_mct_deco_data->m_data_size = l_mct_size;
		++p_tcp->m_nb_mct_records;
	}

	if
		(p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records)
	{
		p_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
		p_tcp->m_mct_records = opj_realloc(p_tcp->m_mct_records,p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
		if
			(! p_tcp->m_mct_records)
		{
			return false;
		}
		l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
		memset(l_mct_offset_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
		if
			(l_mct_deco_data)
		{
			l_mct_deco_data = l_mct_offset_data - 1;
		}
	}
	l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
	if
		(l_mct_offset_data->m_data)
	{
		opj_free(l_mct_offset_data->m_data);
		l_mct_offset_data->m_data = 00;
	}
	
	l_mct_offset_data->m_index = l_indix++;
	l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
	l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
	l_nb_elem = p_image->numcomps;
	l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
	l_mct_offset_data->m_data = opj_malloc(l_mct_size );
	if
		(! l_mct_offset_data->m_data)
	{
		return false;
	}
	l_data = opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
	if
		(! l_data)
	{
		opj_free(l_mct_offset_data->m_data);
		l_mct_offset_data->m_data = 00;
		return false;
	}
	l_tccp = p_tcp->tccps;
	l_current_data = l_data;
	for
		(i=0;i<l_nb_elem;++i)
	{
		*(l_current_data++) = (OPJ_FLOAT32) (l_tccp->m_dc_level_shift);
		++l_tccp;
	}
	j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,l_mct_offset_data->m_data,l_nb_elem);
	opj_free(l_data);
	l_mct_offset_data->m_data_size = l_mct_size;
	++p_tcp->m_nb_mct_records;
	
	if
		(p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records)
	{
		p_tcp->m_nb_max_mcc_records += J2K_MCT_DEFAULT_NB_RECORDS;
		p_tcp->m_mcc_records = opj_realloc(p_tcp->m_mcc_records,p_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t));
		if
			(! p_tcp->m_mcc_records)
		{
			return false;
		}
		l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
		memset(l_mcc_data ,0,(p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t));
		
	}
	l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
	l_mcc_data->m_decorrelation_array = l_mct_deco_data;
	l_mcc_data->m_is_irreversible = 1;
	l_mcc_data->m_nb_comps = p_image->numcomps;
	l_mcc_data->m_index = l_indix++;
	l_mcc_data->m_offset_array = l_mct_offset_data;
	++p_tcp->m_nb_mcc_records;
	return true;
}

/**
 * Writes the MCO marker (Multiple component transformation ordering)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_mco(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_BYTE * l_current_data = 00;
	OPJ_UINT32 l_mco_size;
	opj_tcp_t * l_tcp = 00;
	opj_simple_mcc_decorrelation_data_t * l_mcc_record;
	OPJ_UINT32 i;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_tcp =&(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
	l_mco_size = 5 + l_tcp->m_nb_mcc_records;
	if
		(l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_mco_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
	}
	
	opj_write_bytes(l_current_data,J2K_MS_MCO,2);			/* MCO */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_mco_size-2,2);					/* Lmco */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_tcp->m_nb_mcc_records,1);					/* Nmco : only one tranform stage*/
	++l_current_data;
	
	l_mcc_record = l_tcp->m_mcc_records;
	for
		(i=0;i<l_tcp->m_nb_mcc_records;++i)
	{
		opj_write_bytes(l_current_data,l_mcc_record->m_index,1);					/* Imco -> use the mcc indicated by 1*/
		++l_current_data;
		++l_mcc_record;
	}

	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mco_size,p_manager) != l_mco_size)
	{
		return false;
	}
	return true;
}
/**
 * Reads a MCO marker (Multiple Component Transform Ordering)
 * 
 * @param	p_header_data	the data contained in the MCO box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the MCO marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_mco (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 l_tmp, i;
	OPJ_UINT32 l_nb_stages;
	opj_tcp_t * l_tcp;
	opj_tccp_t * l_tccp;
	opj_image_t * l_image;
	opj_image_comp_t * l_img_comp;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	l_image = p_j2k->m_image;
	l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	if
		(p_header_size < 1)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
		return false;
	}

	opj_read_bytes(p_header_data,&l_nb_stages,1);				/* Nmco : only one tranform stage*/
	++p_header_data;
	if
		(l_nb_stages > 1)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple transformation stages.\n");
		return true;
	}
	if
		(p_header_size != l_nb_stages + 1)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
		return false;
	}
	
	l_tccp = l_tcp->tccps;
	l_img_comp = l_image->comps;
	for
		(i=0;i<l_image->numcomps;++i)
	{
		l_tccp->m_dc_level_shift = 0;
		++l_tccp;
	}
	if
		(l_tcp->m_mct_decoding_matrix)
	{
		opj_free(l_tcp->m_mct_decoding_matrix);
		l_tcp->m_mct_decoding_matrix = 00;
	}

	for
		(i=0;i<l_nb_stages;++i)
	{
		opj_read_bytes(p_header_data,&l_tmp,1);
		++p_header_data;
		if
			(! j2k_add_mct(l_tcp,p_j2k->m_image,l_tmp))
		{
			return false;
		}
	}
	return true;
}

bool j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image, OPJ_UINT32 p_index)
{
	OPJ_UINT32 i;
	opj_simple_mcc_decorrelation_data_t * l_mcc_record;
	opj_mct_data_t * l_deco_array, * l_offset_array;
	OPJ_UINT32 l_data_size,l_mct_size, l_offset_size;
	OPJ_UINT32 l_nb_elem;
	OPJ_UINT32 * l_offset_data, * l_current_offset_data;
	opj_tccp_t * l_tccp;


	// preconditions
	assert(p_tcp != 00);

	l_mcc_record = p_tcp->m_mcc_records;
	for
		(i=0;i<p_tcp->m_nb_mcc_records;++i)
	{
		if
			(l_mcc_record->m_index == p_index)
		{
			break;
		}
	}
	if
		(i==p_tcp->m_nb_mcc_records)
	{
		/** element discarded **/
		return true;
	}
	if
		(l_mcc_record->m_nb_comps != p_image->numcomps)
	{
		/** do not support number of comps != image */
		return true;
	}
	l_deco_array = l_mcc_record->m_decorrelation_array;
	if
		(l_deco_array)
	{
		l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps * p_image->numcomps;
		if
			(l_deco_array->m_data_size != l_data_size)
		{
			return false;
		}
		l_nb_elem = p_image->numcomps * p_image->numcomps;
		l_mct_size = l_nb_elem * sizeof(OPJ_FLOAT32);
		p_tcp->m_mct_decoding_matrix = opj_malloc(l_mct_size);
		if
			(! p_tcp->m_mct_decoding_matrix )
		{
			return false;
		}
		j2k_mct_read_functions_to_float[l_deco_array->m_element_type](l_deco_array->m_data,p_tcp->m_mct_decoding_matrix,l_nb_elem);
	}
	l_offset_array = l_mcc_record->m_offset_array;
	if
		(l_offset_array)
	{
		l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] * p_image->numcomps;
		if
			(l_offset_array->m_data_size != l_data_size)
		{
			return false;
		}
		l_nb_elem = p_image->numcomps;
		l_offset_size = l_nb_elem * sizeof(OPJ_UINT32);
		l_offset_data = opj_malloc(l_offset_size);
		if
			(! l_offset_data )
		{
			return false;
		}
		j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](l_offset_array->m_data,l_offset_data,l_nb_elem);
		l_tccp = p_tcp->tccps;
		l_current_offset_data = l_offset_data;
		for
			(i=0;i<p_image->numcomps;++i)
		{
			l_tccp->m_dc_level_shift = *(l_current_offset_data++);
			++l_tccp;
		}
		opj_free(l_offset_data);
	}
	return true;
}

/**
 * Writes the MCT marker (Multiple Component Transform)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_mct_data_group(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 i;
	opj_simple_mcc_decorrelation_data_t * l_mcc_record;
	opj_mct_data_t * l_mct_record;
	opj_tcp_t * l_tcp;

	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	if
		(! j2k_write_cbd(p_j2k,p_stream,p_manager))
	{
		return false;
	}
	l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
	l_mct_record = l_tcp->m_mct_records;
	for
		(i=0;i<l_tcp->m_nb_mct_records;++i)
	{
		if
			(! j2k_write_mct_record(p_j2k,l_mct_record,p_stream,p_manager))
		{
			return false;
		}
		++l_mct_record;
	}
	l_mcc_record = l_tcp->m_mcc_records;
	for
		(i=0;i<l_tcp->m_nb_mcc_records;++i)
	{
		if
			(! j2k_write_mcc_record(p_j2k,l_mcc_record,p_stream,p_manager))
		{
			return false;
		}
		++l_mcc_record;
	}
	if
		(! j2k_write_mco(p_j2k,p_stream,p_manager))
	{
		return false;
	}
	return true;
}


/**
 * Writes the POC marker (Progression Order Change)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_poc(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 l_nb_comp;
	OPJ_UINT32 l_nb_poc;
	OPJ_UINT32 l_poc_size;
	OPJ_UINT32 l_written_size = 0;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;
	OPJ_UINT32 l_poc_room;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
	l_tccp = &l_tcp->tccps[0];
	l_nb_comp = p_j2k->m_image->numcomps;
	l_nb_poc = 1 + l_tcp->numpocs;
	if
		(l_nb_comp <= 256)
	{
		l_poc_room = 1;
	}
	else
	{
		l_poc_room = 2;
	}
	l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
	if
		(l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_poc_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
	}

	j2k_write_poc_in_memory(p_j2k,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_written_size,p_manager);

	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_poc_size,p_manager) != l_poc_size)
	{
		return false;
	}
	return true;
}


/**
 * Writes EPC ????
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_epc(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	opj_codestream_info_t * l_info = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_info = p_j2k->cstr_info;
	if
		(l_info) 
	{
		l_info->codestream_size = opj_stream_tell(p_stream);
		/* UniPG>> */
		/* The following adjustment is done to adjust the codestream size */
		/* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
		/* the first bunch of bytes is not in the codestream              */
		l_info->codestream_size -= l_info->main_head_start;
		/* <<UniPG */
	}

#ifdef USE_JPWL
	/*
	preparation of JPWL marker segments
	*/
	if(cp->epc_on) {

		/* encode according to JPWL */
		jpwl_encode(p_j2k, p_stream, image);

	}
#endif /* USE_JPWL */
	return true;
}


/**
 * Gets the maximum size taken by the writting of a POC.
 */
OPJ_UINT32 j2k_get_max_poc_size(opj_j2k_t *p_j2k)
{
	opj_tcp_t * l_tcp = 00;
	OPJ_UINT32 l_nb_tiles = 0;
	OPJ_UINT32 l_max_poc = 0;
	OPJ_UINT32 i;

	l_tcp = p_j2k->m_cp.tcps;
	l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;

	for
		(i=0;i<l_nb_tiles;++i)
	{
		l_max_poc = uint_max(l_max_poc,l_tcp->numpocs);
		++l_tcp;
	}
	++l_max_poc;
	return 4 + 9 * l_max_poc;
}


/**
 * Writes the POC marker (Progression Order Change)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
void j2k_write_poc_in_memory(
							opj_j2k_t *p_j2k,
							OPJ_BYTE * p_data,
							OPJ_UINT32 * p_data_written,
							struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 i;
	OPJ_BYTE * l_current_data = 00;
	OPJ_UINT32 l_nb_comp;
	OPJ_UINT32 l_nb_poc;
	OPJ_UINT32 l_poc_size;
	opj_image_t *l_image = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;
	opj_poc_t *l_current_poc = 00;
	OPJ_UINT32 l_poc_room;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);

	l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
	l_tccp = &l_tcp->tccps[0];
	l_image = p_j2k->m_image;
	l_nb_comp = l_image->numcomps;
	l_nb_poc = 1 + l_tcp->numpocs;
	if
		(l_nb_comp <= 256)
	{
		l_poc_room = 1;
	}
	else
	{
		l_poc_room = 2;
	}
	l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;

	l_current_data = p_data;

	opj_write_bytes(l_current_data,J2K_MS_POC,2);					/* POC  */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_poc_size-2,2);					/* Lpoc */
	l_current_data += 2;
	
	l_current_poc =  l_tcp->pocs;
	for 
		(i = 0; i < l_nb_poc; ++i) 
	{
		opj_write_bytes(l_current_data,l_current_poc->resno0,1);				/* RSpoc_i */
		++l_current_data;
		opj_write_bytes(l_current_data,l_current_poc->compno0,l_poc_room);		/* CSpoc_i */
		l_current_data+=l_poc_room;
		opj_write_bytes(l_current_data,l_current_poc->layno1,2);				/* LYEpoc_i */
		l_current_data+=2;
		opj_write_bytes(l_current_data,l_current_poc->resno1,1);				/* REpoc_i */
		++l_current_data;
		opj_write_bytes(l_current_data,l_current_poc->compno1,l_poc_room);		/* CEpoc_i */
		l_current_data+=l_poc_room;
		opj_write_bytes(l_current_data,l_current_poc->prg,1);					/* Ppoc_i */
		++l_current_data;
		
		/* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
		l_current_poc->layno1 = int_min(l_current_poc->layno1, l_tcp->numlayers);
		l_current_poc->resno1 = int_min(l_current_poc->resno1, l_tccp->numresolutions);
		l_current_poc->compno1 = int_min(l_current_poc->compno1, l_nb_comp);
		++l_current_poc;
	}
	* p_data_written = l_poc_size; 
}


/**
 * Reads a POC marker (Progression Order Change)
 * 
 * @param	p_header_data	the data contained in the POC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the POC marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_poc (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 i;
	OPJ_UINT32 l_nb_comp;
	opj_image_t * l_image = 00;
	OPJ_UINT32 l_old_poc_nb,l_current_poc_nb,l_current_poc_remaining;
	OPJ_UINT32 l_chunk_size;
	OPJ_UINT32 l_tmp;

	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_poc_t *l_current_poc = 00;
	OPJ_UINT32 l_comp_room;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	l_image = p_j2k->m_image;
	l_nb_comp = l_image->numcomps;
	if
		(l_nb_comp <= 256)
	{
		l_comp_room = 1;
	}
	else
	{
		l_comp_room = 2;
	}
	l_chunk_size = 5 + 2 * l_comp_room;
	l_current_poc_nb = p_header_size / l_chunk_size;
	l_current_poc_remaining = p_header_size % l_chunk_size;
	
	if
		((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
		return false;
	}

	l_cp = &(p_j2k->m_cp);
	l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH) ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;
	l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
	l_current_poc_nb += l_old_poc_nb;
	assert(l_current_poc_nb < 32);

	/* now poc is in use.*/
	l_tcp->POC = 1;
	
	l_current_poc = &l_tcp->pocs[l_old_poc_nb];
	for 
		(i = l_old_poc_nb; i < l_current_poc_nb; ++i) 
	{
		opj_read_bytes(p_header_data,&(l_current_poc->resno0),1);					/* RSpoc_i */
		++p_header_data;
		opj_read_bytes(p_header_data,&(l_current_poc->compno0),l_comp_room);		/* CSpoc_i */
		p_header_data+=l_comp_room;
		opj_read_bytes(p_header_data,&(l_current_poc->layno1),2);					/* LYEpoc_i */
		p_header_data+=2;
		opj_read_bytes(p_header_data,&(l_current_poc->resno1),1);					 /* REpoc_i */
		++p_header_data;
		opj_read_bytes(p_header_data,&(l_current_poc->compno1),l_comp_room);		/* CEpoc_i */
		p_header_data+=l_comp_room;
		opj_read_bytes(p_header_data,&l_tmp,1);						/* Ppoc_i */
		++p_header_data;
		l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
		/* make sure comp is in acceptable bounds */
		l_current_poc->compno1 = uint_min(l_current_poc->compno1, l_nb_comp);
		++l_current_poc;
	}
	l_tcp->numpocs = l_current_poc_nb - 1;
	return true;
}

/**
 * Writes the RGN marker (Region Of Interest)
 * 
 * @param	p_tile_no		the tile to output
 * @param	p_comp_no		the component to output
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_rgn(
						opj_j2k_t *p_j2k,	
						OPJ_UINT32 p_tile_no,
						OPJ_UINT32 p_comp_no, 
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_BYTE * l_current_data = 00;
	OPJ_UINT32 l_nb_comp;
	OPJ_UINT32 l_rgn_size;
	opj_image_t *l_image = 00;
	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	opj_tccp_t *l_tccp = 00;
	OPJ_UINT32 l_comp_room;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_tile_no];
	l_tccp = &l_tcp->tccps[p_comp_no];
	
	l_nb_comp = l_image->numcomps;
	
	if
		(l_nb_comp <= 256)
	{
		l_comp_room = 1;
	}
	else
	{
		l_comp_room = 2;
	}
	l_rgn_size = 6 + l_comp_room;
	
	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;

	opj_write_bytes(l_current_data,J2K_MS_RGN,2);					/* RGN  */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_rgn_size-2,2);					/* Lrgn */
	l_current_data += 2;
	opj_write_bytes(l_current_data,p_comp_no,l_comp_room);			/* Crgn */
	l_current_data+=l_comp_room;
	opj_write_bytes(l_current_data, 0,1);							/* Srgn */
	++l_current_data;
	opj_write_bytes(l_current_data, l_tccp->roishift,1);			/* SPrgn */
	++l_current_data;

	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_rgn_size,p_manager) != l_rgn_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads a RGN marker (Region Of Interest)
 * 
 * @param	p_header_data	the data contained in the POC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the POC marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_rgn (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 l_nb_comp;
	opj_image_t * l_image = 00;

	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	OPJ_UINT32 l_comp_room;
	OPJ_UINT32 l_comp_no;
	OPJ_UINT32 l_roi_sty;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	l_image = p_j2k->m_image;
	l_nb_comp = l_image->numcomps;
	if
		(l_nb_comp <= 256)
	{
		l_comp_room = 1;
	}
	else
	{
		l_comp_room = 2;
	}
	if
		(p_header_size != 2 + l_comp_room)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
		return false;
	}

	l_cp = &(p_j2k->m_cp);
	l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH) ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp;

	opj_read_bytes(p_header_data,&l_comp_no,l_comp_room);		/* Crgn */
	p_header_data+=l_comp_room;
	opj_read_bytes(p_header_data,&l_roi_sty,1);					/* Srgn */
	++p_header_data;
	
#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {
		/* totlen is negative or larger than the bytes left!!! */
		if (compno >= numcomps) {
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"JPWL: bad component number in RGN (%d when there are only %d)\n",
				compno, numcomps);
			if (!JPWL_ASSUME || JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
		}
	};
#endif /* USE_JPWL */

	opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&(l_tcp->tccps[l_comp_no].roishift)),1);	/* SPrgn */
	++p_header_data;
	return true;

}

/**
 * Writes the TLM marker (Tile Length Marker)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_tlm(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_BYTE * l_current_data = 00;
	OPJ_UINT32 l_tlm_size;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_tlm_size = 6 + (5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
	if
		(l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
	{
		p_j2k->m_specific_param.m_encoder.m_header_tile_data 
			= opj_realloc(
				p_j2k->m_specific_param.m_encoder.m_header_tile_data,
				l_tlm_size);
		if
			(! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
	}
	l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;

	/* change the way data is written to avoid seeking if possible */
	// TODO
	p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
	
	opj_write_bytes(l_current_data,J2K_MS_TLM,2);					/* TLM */
	l_current_data += 2;
	opj_write_bytes(l_current_data,l_tlm_size-2,2);					/* Lpoc */
	l_current_data += 2;
	opj_write_bytes(l_current_data,0,1);							/* Ztlm=0*/
	++l_current_data;
	opj_write_bytes(l_current_data,0x50,1);							/* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
	++l_current_data;
	/* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */

	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_tlm_size,p_manager) != l_tlm_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads a TLM marker (Tile Length Marker)
 * 
 * @param	p_header_data	the data contained in the TLM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the TLM marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_tlm (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp, l_tot_num_tp_remaining, l_quotient, l_Ptlm_size;
	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(p_header_size < 2)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
		return false;
	}
	p_header_size -= 2;
	

	opj_read_bytes(p_header_data,&l_Ztlm,1);				/* Ztlm */
	++p_header_data;
	opj_read_bytes(p_header_data,&l_Stlm,1);				/* Stlm */
	++p_header_data;

	l_ST = ((l_Stlm >> 4) & 0x3);
	l_SP = (l_Stlm >> 6) & 0x1;

	l_Ptlm_size = (l_SP + 1) * 2;
	l_quotient = l_Ptlm_size + l_ST;
	
	l_tot_num_tp = p_header_size / l_quotient;
	l_tot_num_tp_remaining = p_header_size % l_quotient;
	if
		(l_tot_num_tp_remaining != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
		return false;
	}
	/* Do not care of this at the moment since only local variables are set here */
	/*
	for 
		(i = 0; i < l_tot_num_tp; ++i)
	{
		opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST);				// Ttlm_i 
		p_header_data += l_ST;
		opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size);		// Ptlm_i
		p_header_data += l_Ptlm_size;
	}*/
	return true;
}

/**
 * Reads a CRG marker (Component registration)
 * 
 * @param	p_header_data	the data contained in the TLM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the TLM marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_crg (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 l_nb_comp;
	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	l_nb_comp = p_j2k->m_image->numcomps;

	if
		(p_header_size != l_nb_comp *4)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
		return false;
	}
	/* Do not care of this at the moment since only local variables are set here */
	/*	
	for 
		(i = 0; i < l_nb_comp; ++i) 
	{
		opj_read_bytes(p_header_data,&l_Xcrg_i,2);				// Xcrg_i 
		p_header_data+=2;
		opj_read_bytes(p_header_data,&l_Ycrg_i,2);				// Xcrg_i 
		p_header_data+=2;
	}
	*/
	return true;
}

/**
 * Reads a PLM marker (Packet length, main header marker)
 * 
 * @param	p_header_data	the data contained in the TLM box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the TLM marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_plm (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(p_header_size < 1)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
		return false;
	}
	/* Do not care of this at the moment since only local variables are set here */
	/*
	opj_read_bytes(p_header_data,&l_Zplm,1);					// Zplm
	++p_header_data;
	--p_header_size;

	while 
		(p_header_size > 0) 
	{
		opj_read_bytes(p_header_data,&l_Nplm,1);				// Nplm
		++p_header_data;
		p_header_size -= (1+l_Nplm);
		if
			(p_header_size < 0)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
			return false;
		}
		for 
			(i = 0; i < l_Nplm; ++i) 
		{
			opj_read_bytes(p_header_data,&l_tmp,1);				// Iplm_ij 
			++p_header_data;
			// take only the last seven bytes
			l_packet_len |= (l_tmp & 0x7f);
			if
				(l_tmp & 0x80)
			{
				l_packet_len <<= 7; 
			}
			else
			{
                // store packet length and proceed to next packet
				l_packet_len = 0;
			}
		}
		if
			(l_packet_len != 0)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
			return false;
		}
	}
	*/
	return true;
}

/**
 * Reads a PLT marker (Packet length, tile-part header)
 * 
 * @param	p_header_data	the data contained in the PLT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the PLT marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_plt (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(p_header_size < 1)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
		return false;
	}

	opj_read_bytes(p_header_data,&l_Zplt,1);					// Zplt
	++p_header_data;
	--p_header_size;
	for 
		(i = 0; i < p_header_size; ++i) 
	{
		opj_read_bytes(p_header_data,&l_tmp,1);				// Iplm_ij 
		++p_header_data;
		// take only the last seven bytes
		l_packet_len |= (l_tmp & 0x7f);
		if
			(l_tmp & 0x80)
		{
			l_packet_len <<= 7; 
		}
		else
		{
            // store packet length and proceed to next packet
			l_packet_len = 0;
		}
	}
	if
		(l_packet_len != 0)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
		return false;
	}
	return true;
}

/**
 * Reads a PPM marker (Packed packet headers, main header)
 * 
 * @param	p_header_data	the data contained in the POC box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the POC marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_ppm (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{

	opj_cp_t *l_cp = 00;
	OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(p_header_size < 1)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
		return false;
	}
	l_cp = &(p_j2k->m_cp);
	l_cp->ppm = 1;
	
	opj_read_bytes(p_header_data,&l_Z_ppm,1);		/* Z_ppm */
	++p_header_data;
	--p_header_size;
	
	// first PPM marker
	if 
		(l_Z_ppm == 0) 
	{	
		if
			(p_header_size < 4)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
			return false;
		}
		// read a N_ppm
		opj_read_bytes(p_header_data,&l_N_ppm,4);		/* N_ppm */
		p_header_data+=4;
		p_header_size-=4;
		/* First PPM marker */
		l_cp->ppm_len = l_N_ppm;
		l_cp->ppm_data_size = 0;
		l_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_cp->ppm_len);
		l_cp->ppm_data = l_cp->ppm_buffer;
		if
			(l_cp->ppm_buffer == 00)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
			return false;
		}
		memset(l_cp->ppm_buffer,0,l_cp->ppm_len);
	}

	while 
		(true) 
	{
		if 
			(l_cp->ppm_data_size == l_cp->ppm_len) 
		{
			if
				(p_header_size >= 4)
			{
				// read a N_ppm
				opj_read_bytes(p_header_data,&l_N_ppm,4);		/* N_ppm */
				p_header_data+=4;
				p_header_size-=4;
				l_cp->ppm_len += l_N_ppm ;
				l_cp->ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len);
				l_cp->ppm_data = l_cp->ppm_buffer;
				if
					(l_cp->ppm_buffer == 00)
				{
					opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
					return false;
				}
				memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm);
			}
			else
			{
				return false;
			}
		} 
		l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size;
		if
			(l_remaining_data <= p_header_size)
		{
			/* we must store less information than available in the packet */
			memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data);
			l_cp->ppm_data_size = l_cp->ppm_len;
			p_header_size -= l_remaining_data;
			p_header_data += l_remaining_data;
		}
		else
		{
			memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size);
			l_cp->ppm_data_size += p_header_size;
			p_header_data += p_header_size;
			p_header_size = 0;
			break;
		}
	}
	return true;
}

/**
 * Reads a PPT marker (Packed packet headers, tile-part header)
 * 
 * @param	p_header_data	the data contained in the PPT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the PPT marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_ppt (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{

	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	OPJ_UINT32 l_Z_ppt;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(p_header_size < 1)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
		return false;
	}

	l_cp = &(p_j2k->m_cp);
	l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
	l_tcp->ppt = 1;
	
	opj_read_bytes(p_header_data,&l_Z_ppt,1);		/* Z_ppt */
	++p_header_data;
	--p_header_size;
	
	// first PPM marker
	if 
		(l_Z_ppt == 0) 
	{	
		/* First PPM marker */
		l_tcp->ppt_len = p_header_size;
		l_tcp->ppt_data_size = 0;
		l_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_tcp->ppt_len);
		l_tcp->ppt_data = l_tcp->ppt_buffer;
		if
			(l_tcp->ppt_buffer == 00)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n");
			return false;
		}
		memset(l_tcp->ppt_buffer,0,l_tcp->ppt_len);
	}
	else
	{
		l_tcp->ppt_len += p_header_size;
		l_tcp->ppt_buffer = (OPJ_BYTE *) opj_realloc(l_tcp->ppt_buffer,l_tcp->ppt_len);
		if
			(l_tcp->ppt_buffer == 00)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n");
			return false;
		}
		l_tcp->ppt_data = l_tcp->ppt_buffer;
		memset(l_tcp->ppt_buffer+l_tcp->ppt_data_size,0,p_header_size);
	}
	memcpy(l_tcp->ppt_buffer+l_tcp->ppt_data_size,p_header_data,p_header_size);
	l_tcp->ppt_data_size += p_header_size;
	return true;
}

/**
 * Writes the SOT marker (Start of tile-part)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_sot(
						opj_j2k_t *p_j2k,
						OPJ_BYTE * p_data,
						OPJ_UINT32 * p_data_written,
						const struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
				  )
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	opj_write_bytes(p_data,J2K_MS_SOT,2);					/* SOT */
	p_data += 2;

	opj_write_bytes(p_data,10,2);							/* Lsot */
	p_data += 2;
	
	opj_write_bytes(p_data, p_j2k->m_current_tile_number,2);			/* Isot */
	p_data += 2;
	
	/* Psot  */
	p_data += 4;
	
	opj_write_bytes(p_data, p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,1);			/* TPsot */
	++p_data;

	opj_write_bytes(p_data, p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,1);			/* TNsot */
	++p_data;
	/* UniPG>> */
#ifdef USE_JPWL
	/* update markers struct */
	j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
#endif /* USE_JPWL */

	* p_data_written = 12;
	return true;
}

/**
 * Reads a PPT marker (Packed packet headers, tile-part header)
 * 
 * @param	p_header_data	the data contained in the PPT box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the PPT marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_sot (
						opj_j2k_t *p_j2k,	
						OPJ_BYTE * p_header_data, 
						OPJ_UINT32 p_header_size,
						struct opj_event_mgr * p_manager
					) 
{

	opj_cp_t *l_cp = 00;
	opj_tcp_t *l_tcp = 00;
	OPJ_UINT32 l_tot_len, l_num_parts = 0;
	OPJ_UINT32 l_current_part;
	OPJ_UINT32 l_tile_x,l_tile_y;

	// preconditions
	assert(p_header_data != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(p_header_size != 8)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
		return false;
	}
	l_cp = &(p_j2k->m_cp);
	opj_read_bytes(p_header_data,&(p_j2k->m_current_tile_number),2);		/* Isot */
	p_header_data+=2;
	
	
	l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
	l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
	l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;

#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {

		static int backup_tileno = 0;

		/* tileno is negative or larger than the number of tiles!!! */
		if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"JPWL: bad tile number (%d out of a maximum of %d)\n",
				tileno, (cp->tw * cp->th));
			if (!JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
			/* we try to correct */
			tileno = backup_tileno;
			opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
				"- setting tile number to %d\n",
				tileno);
		}

		/* keep your private count of tiles */
		backup_tileno++;
	};
#endif /* USE_JPWL */
	
	/* look for the tile in the list of already processed tile (in parts). */
	/* Optimization possible here with a more complex data structure and with the removing of tiles */
	/* since the time taken by this function can only grow at the time */

	opj_read_bytes(p_header_data,&l_tot_len,4);		/* Psot */
	p_header_data+=4;

#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {

		/* totlen is negative or larger than the bytes left!!! */
		if ((totlen < 0) || (totlen > (p_stream_numbytesleft(p_stream) + 8))) {
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
				totlen, p_stream_numbytesleft(p_stream) + 8);
			if (!JPWL_ASSUME) {
				opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
				return;
			}
			/* we try to correct */
			totlen = 0;
			opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
				"- setting Psot to %d => assuming it is the last tile\n",
				totlen);
		}

	};
#endif /* USE_JPWL */

	if 
		(!l_tot_len)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Cannot read data with no size known, giving up\n");
		return false;
	}

	opj_read_bytes(p_header_data,&l_current_part ,1);		/* Psot */
	++p_header_data;
	
	opj_read_bytes(p_header_data,&l_num_parts ,1);		/* Psot */
	++p_header_data;

	if
		(l_num_parts != 0)
	{
		l_tcp->m_nb_tile_parts = l_num_parts;
	}
	if
		(l_tcp->m_nb_tile_parts)
	{
		if
			(l_tcp->m_nb_tile_parts == (l_current_part + 1))
		{
			p_j2k->m_specific_param.m_decoder.m_can_decode = 1;
		}
	}
	p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len - 12;
	p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_TPH;
	p_j2k->m_specific_param.m_decoder.m_skip_data = 
			(l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
		||	(l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
		||  (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
		||	(l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
	/* Index */
	
	/* move this onto a separate method to call before reading any SOT */
	/*if 
		TODO
		(p_j2k->cstr_info) 
	{
		if 
			(l_tcp->first) 
		{
			if 
				(tileno == 0)
			{
				p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
			}
			p_j2k->cstr_info->tile[tileno].tileno = tileno;
			p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
			p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;				
			p_j2k->cstr_info->tile[tileno].num_tps = numparts;
			if 
				(numparts)
			{
				p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
			}
			else
			{
				p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
			}
		}
		else 
		{
			p_j2k->cstr_info->tile[tileno].end_pos += totlen;
		}		
		p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
		p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos = 
		p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
	}*/
	return true;
}

/**
 * Writes the SOD marker (Start of data)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_sod(
						opj_j2k_t *p_j2k,
						struct opj_tcd * p_tile_coder,
						OPJ_BYTE * p_data,
						OPJ_UINT32 * p_data_written,
						OPJ_UINT32 p_total_data_size,
						const struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
				  )
{
	opj_tcp_t *l_tcp = 00;
	opj_codestream_info_t *l_cstr_info = 00;
	opj_cp_t *l_cp = 00;

	OPJ_UINT32 l_size_tile;
	OPJ_UINT32 l_remaining_data;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	opj_write_bytes(p_data,J2K_MS_SOD,2);					/* SOD */
	p_data += 2;

	/* make room for the EOF marker */
	l_remaining_data =  p_total_data_size - 4;

	l_cp = &(p_j2k->m_cp);
	l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
	l_cstr_info = p_j2k->cstr_info;

	/* update tile coder */
	p_tile_coder->tp_num = p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
	p_tile_coder->cur_tp_num = p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
	l_size_tile = l_cp->th * l_cp->tw;

	/* INDEX >> */
	if 
		(l_cstr_info) 
	{
		if 
			(!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) 
		{
			//TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
			l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
		}
		else
		{
			/*
			TODO
			if
				(cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
			{
				cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
			}*/

		}
		/* UniPG>> */
#ifdef USE_JPWL
		/* update markers struct */
		j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
#endif /* USE_JPWL */
		/* <<UniPG */
	}
	/* << INDEX */
	
	if
		(p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0)
	{
		p_tile_coder->tcd_image->tiles->packno = 0;
		if
			(l_cstr_info)
		{
			l_cstr_info->packno = 0;
		}
	}
	*p_data_written = 0;
	if
		(! tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data, p_data_written, l_remaining_data , l_cstr_info))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
		return false;
	}
	*p_data_written += 2;
	return true;
}

/**
 * Updates the Tile Length Marker.
 */
void j2k_update_tlm (
					 opj_j2k_t * p_j2k, 
					 OPJ_UINT32 p_tile_part_size
					 )
{
	opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_j2k->m_current_tile_number,1);					/* PSOT */
	++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current;
	opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_tile_part_size,4);					/* PSOT */
	p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
}


/**
 * Reads a SOD marker (Start Of Data)
 * 
 * @param	p_header_data	the data contained in the SOD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the SOD marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_sod (
						opj_j2k_t *p_j2k,	
						struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 l_current_read_size;
	opj_codestream_info_t * l_cstr_info = 00;
	OPJ_BYTE ** l_current_data = 00;
	opj_tcp_t * l_tcp = 00;
	OPJ_UINT32 * l_tile_len = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
	p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
	l_cstr_info = p_j2k->cstr_info;

	l_current_data = &(l_tcp->m_data);
	l_tile_len = &l_tcp->m_data_size;
	
	if
		(! *l_current_data)
	{
		*l_current_data = (OPJ_BYTE*) my_opj_malloc(p_j2k->m_specific_param.m_decoder.m_sot_length);
	}
	else
	{
		*l_current_data = (OPJ_BYTE*) my_opj_realloc(*l_current_data, *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length);
	}
	if
		(*l_current_data == 00)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile\n");
		return false;
	}

	/* Index */
	if 
		(l_cstr_info) 
	{
		OPJ_SIZE_T l_current_pos = opj_stream_tell(p_stream)-1;
		l_cstr_info->tile[p_j2k->m_current_tile_number].tp[p_j2k->m_specific_param.m_encoder.m_current_tile_part_number].tp_end_header = l_current_pos;
		if 
			(p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0)
		{
			l_cstr_info->tile[p_j2k->m_current_tile_number].end_header = l_current_pos;
		}
		l_cstr_info->packno = 0;
	}
	l_current_read_size = opj_stream_read_data(p_stream, *l_current_data + *l_tile_len , p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager);
	if 
		(l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length)
	{
		p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_NEOC;
	}
	else
	{
		p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_TPHSOT;
	}
	*l_tile_len +=  l_current_read_size;
	return true;
}

/**
 * Writes the EOC marker (End of Codestream)
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_eoc(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	
	opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,J2K_MS_EOC,2);					/* EOC */
	

/* UniPG>> */
#ifdef USE_JPWL
	/* update markers struct */
	j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
#endif /* USE_JPWL */

	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,2,p_manager) != 2)
	{
		return false;
	}
	if
		(! opj_stream_flush(p_stream,p_manager))
	{
		return false;
	}
	return true;
}


/**
 * Inits the Info
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_init_info(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	opj_codestream_info_t * l_cstr_info = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	l_cstr_info = p_j2k->cstr_info;

	if 
		(l_cstr_info) 
	{
		OPJ_UINT32 compno;
		l_cstr_info->tile = (opj_tile_info_t *) opj_malloc(p_j2k->m_cp.tw * p_j2k->m_cp.th * sizeof(opj_tile_info_t));
		l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
		l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
		l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
		l_cstr_info->tw = p_j2k->m_cp.tw;
		l_cstr_info->th = p_j2k->m_cp.th;
		l_cstr_info->tile_x = p_j2k->m_cp.tdx;	/* new version parser */
		l_cstr_info->tile_y = p_j2k->m_cp.tdy;	/* new version parser */
		l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;	/* new version parser */
		l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;	/* new version parser */
		l_cstr_info->numcomps = p_j2k->m_image->numcomps;
		l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
		l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
		for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
			l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
		}
		l_cstr_info->D_max = 0.0;		/* ADD Marcela */
		l_cstr_info->main_head_start = opj_stream_tell(p_stream); /* position of SOC */
		l_cstr_info->maxmarknum = 100;
		l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
		l_cstr_info->marknum = 0;
	}
	return j2k_calculate_tp(p_j2k,&(p_j2k->m_cp),&p_j2k->m_specific_param.m_encoder.m_total_tile_parts,p_j2k->m_image,p_manager);
}

/**
 * Creates a tile-coder decoder.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_create_tcd(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	
	p_j2k->m_tcd = tcd_create(false);
	if
		(! p_j2k->m_tcd)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
		return false;
	}
	if
		(! tcd_init(p_j2k->m_tcd,p_j2k->m_image,&p_j2k->m_cp))
	{
		tcd_destroy(p_j2k->m_tcd);
		p_j2k->m_tcd = 00;
		return false;
	}
	return true;
}

OPJ_FLOAT32 get_tp_stride (opj_tcp_t * p_tcp)
{
	return (OPJ_FLOAT32) ((p_tcp->m_nb_tile_parts - 1) * 14);
}

OPJ_FLOAT32 get_default_stride (opj_tcp_t * p_tcp)
{
	return 0;
}

/**
 * Updates the rates of the tcp.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_update_rates(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	opj_cp_t * l_cp = 00;
	opj_image_t * l_image = 00;
	opj_tcp_t * l_tcp = 00;
	opj_image_comp_t * l_img_comp = 00;

	OPJ_UINT32 i,j,k;
	OPJ_INT32 l_x0,l_y0,l_x1,l_y1;
	OPJ_FLOAT32 * l_rates = 0;
	OPJ_FLOAT32 l_sot_remove;
	OPJ_UINT32 l_bits_empty, l_size_pixel;
	OPJ_UINT32 l_tile_size = 0;
	OPJ_UINT32 l_last_res;
	OPJ_FLOAT32 (* l_tp_stride_func)(opj_tcp_t *) = 00;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);


	l_cp = &(p_j2k->m_cp);
	l_image = p_j2k->m_image;
	l_tcp = l_cp->tcps;
	
	l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
	l_size_pixel = l_image->numcomps * l_image->comps->prec;
	l_sot_remove = ((OPJ_FLOAT32) opj_stream_tell(p_stream)) / (l_cp->th * l_cp->tw);

	if
		(l_cp->m_specific_param.m_enc.m_tp_on)
	{
		l_tp_stride_func = get_tp_stride;
	}
	else
	{
		l_tp_stride_func = get_default_stride;
	}

	for
		(i=0;i<l_cp->th;++i)
	{
		for
			(j=0;j<l_cp->tw;++j)
		{
			OPJ_FLOAT32 l_offset = ((*l_tp_stride_func)(l_tcp)) / l_tcp->numlayers;
			/* 4 borders of the tile rescale on the image if necessary */
			l_x0 = int_max(l_cp->tx0 + j * l_cp->tdx, l_image->x0);
			l_y0 = int_max(l_cp->ty0 + i * l_cp->tdy, l_image->y0);
			l_x1 = int_min(l_cp->tx0 + (j + 1) * l_cp->tdx, l_image->x1);
			l_y1 = int_min(l_cp->ty0 + (i + 1) * l_cp->tdy, l_image->y1);
			l_rates = l_tcp->rates;

			/* Modification of the RATE >> */
			if
				(*l_rates)
			{
				*l_rates = 		(( (float) (l_size_pixel * (l_x1 - l_x0) * (l_y1 - l_y0)))
								/
								((*l_rates) * l_bits_empty)
								)
								- 
								l_offset;
			}
			++l_rates;
			for 
				(k = 1; k < l_tcp->numlayers; ++k) 
			{
				if
					(*l_rates)
				{
					*l_rates = 		(( (OPJ_FLOAT32) (l_size_pixel * (l_x1 - l_x0) * (l_y1 - l_y0)))
									/
										((*l_rates) * l_bits_empty)
									)
									- 
									l_offset;
				}
				++l_rates;
			}
			++l_tcp;
		}
	}
	
	l_tcp = l_cp->tcps;
	for
		(i=0;i<l_cp->th;++i)
	{
		for
			(j=0;j<l_cp->tw;++j)
		{
			l_rates = l_tcp->rates;
			if
				(*l_rates)
			{
				*l_rates -= l_sot_remove;
				if
					(*l_rates < 30)
				{
					*l_rates = 30;
				}
			}
			++l_rates;
			l_last_res = l_tcp->numlayers - 1;
			for 
				(k = 1; k < l_last_res; ++k) 
			{
				if
					(*l_rates)
				{
					*l_rates -= l_sot_remove;
					if
						(*l_rates < *(l_rates - 1) + 10)
					{
						*l_rates  = (*(l_rates - 1)) + 20;
					}
				}
				++l_rates;
			}
			if
				(*l_rates)
			{
				*l_rates -= (l_sot_remove + 2.f);
				if
					(*l_rates < *(l_rates - 1) + 10)
				{
					*l_rates  = (*(l_rates - 1)) + 20;
				}
			}
			++l_tcp;
		}
	}
	
	l_img_comp = l_image->comps;
	l_tile_size = 0;
	for
		(i=0;i<l_image->numcomps;++i)
	{
		l_tile_size += (		uint_ceildiv(l_cp->tdx,l_img_comp->dx)
					   * 	
								uint_ceildiv(l_cp->tdy,l_img_comp->dy)
					   *		
								l_img_comp->prec
						);
		++l_img_comp;
	}
	
	l_tile_size = (OPJ_UINT32) (l_tile_size * 0.1625); /* 1.3/8 = 0.1625 */
	l_tile_size += j2k_get_specific_header_sizes(p_j2k);

	p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
	p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = (OPJ_BYTE *) my_opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
	if
		(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00)
	{
		return false;
	}
	if
		(l_cp->m_specific_param.m_enc.m_cinema)
	{
		p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = (OPJ_BYTE *) opj_malloc(5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
		if
			(! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer)
		{
			return false;
		}
		p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
	}
	return true;
}

/**
 * Reads a EOC marker (End Of Codestream)
 * 
 * @param	p_header_data	the data contained in the SOD box.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_header_size	the size of the data contained in the SOD marker.
 * @param	p_manager		the user event manager.
*/
bool j2k_read_eoc (
						opj_j2k_t *p_j2k,	
						struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_UINT32 i;
	opj_tcd_t * l_tcd = 00;
	OPJ_UINT32 l_nb_tiles;
	opj_tcp_t * l_tcp = 00;
	bool l_success;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
	l_tcp = p_j2k->m_cp.tcps;

	l_tcd = tcd_create(true);
	if
		(l_tcd == 00)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
		return false;
	}

	

	for 
		(i = 0; i < l_nb_tiles; ++i) 
	{
		if
			(l_tcp->m_data)
		{
			if
				(! tcd_init_decode_tile(l_tcd, i))
			{
				tcd_destroy(l_tcd);
				opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
				return false;
			}
			l_success = tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i, p_j2k->cstr_info);
			/* cleanup */
			if 
				(! l_success) 
			{
				p_j2k->m_specific_param.m_decoder.m_state |= J2K_DEC_STATE_ERR;
				break;
			}
		}
		j2k_tcp_destroy(l_tcp);
		++l_tcp;
	}
	tcd_destroy(l_tcd);
	return true;
}

/**
 * Writes the image components.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_image_components(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 compno;
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	
	for 
		(compno = 1; compno < p_j2k->m_image->numcomps; ++compno) 
	{
		if
			(! j2k_write_coc(p_j2k,compno,p_stream, p_manager))
		{
			return false;
		}
		if
			(! j2k_write_qcc(p_j2k,compno,p_stream, p_manager))
		{
			return false;
		}
	}
	return true;
}

/**
 * Writes regions of interests.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_regions(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 compno;
	const opj_tccp_t *l_tccp = 00;
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	
	l_tccp = p_j2k->m_cp.tcps->tccps;
	for 
		(compno = 0; compno < p_j2k->m_image->numcomps; ++compno) 
	{
		if 
			(l_tccp->roishift)
		{
			if
				(! j2k_write_rgn(p_j2k,0,compno,p_stream,p_manager))
			{
				return false;
			}
		}
		++l_tccp;
	}
	return true;
}
/**
 * Writes the updated tlm.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_write_updated_tlm(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	OPJ_UINT32 l_tlm_size;
	OPJ_SIZE_T l_tlm_position, l_current_position;

	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
	l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
	l_current_position = opj_stream_tell(p_stream);

	if
		(! opj_stream_seek(p_stream,l_tlm_position,p_manager))
	{
		return false;
	}
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer,l_tlm_size,p_manager) != l_tlm_size)
	{
		return false;
	}
	if
		(! opj_stream_seek(p_stream,l_current_position,p_manager))
	{
		return false;
	}
	return true;
}

/**
 * Ends the encoding, i.e. frees memory.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_end_encoding(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	tcd_destroy(p_j2k->m_tcd);
	p_j2k->m_tcd = 00;
	
	if
		(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer)
	{
		opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
		p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
		p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
	}
	if
		(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data)
	{
		opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
		p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
	}
	p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;

	return true;
}

/**
 * Gets the offset of the header.
 * 
 * @param	p_stream				the stream to write data to.
 * @param	p_j2k				J2K codec.
 * @param	p_manager		the user event manager.
*/
bool j2k_get_end_header(
						opj_j2k_t *p_j2k,
						struct opj_stream_private *p_stream,
						struct opj_event_mgr * p_manager
				  )
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);

	p_j2k->cstr_info->main_head_end = opj_stream_tell(p_stream);
	return true;
}




/**
 * Reads an unknown marker 
 * 
 * @param	p_stream				the stream object to read from.
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_manager		the user event manager.
 *
 * @return	true			if the marker could be deduced.
*/
bool j2k_read_unk (
						opj_j2k_t *p_j2k,	
						struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager
					) 
{
	OPJ_BYTE l_data [2];
	OPJ_UINT32 l_unknown_size;
	// preconditions
	assert(p_j2k != 00);
	assert(p_manager != 00);
	assert(p_stream != 00);
	
	opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
	
#ifdef USE_JPWL
	if (p_j2k->m_cp->correct) {
		OPJ_INT32 m = 0, id, i;
		OPJ_INT32 min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
		p_stream_seek(p_j2k->p_stream, p_stream_tell(p_j2k->p_stream) - 2);
		id = p_stream_read(p_j2k->p_stream, 2);
		opj_event_msg(p_j2k->cinfo, EVT_ERROR,
			"JPWL: really don't know this marker %x\n",
			id);
		if (!JPWL_ASSUME) {
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"- possible synch loss due to uncorrectable codestream errors => giving up\n");
			return;
		}
		/* OK, activate this at your own risk!!! */
		/* we look for the marker at the minimum hamming distance from this */
		while (j2k_dec_mstab[m].id) {
			
			/* 1's where they differ */
			tmp_id = j2k_dec_mstab[m].id ^ id;

			/* compute the hamming distance between our id and the current */
			cur_dist = 0;
			for (i = 0; i < 16; i++) {
				if ((tmp_id >> i) & 0x0001) {
					cur_dist++;
				}
			}

			/* if current distance is smaller, set the minimum */
			if (cur_dist < min_dist) {
				min_dist = cur_dist;
				min_id = j2k_dec_mstab[m].id;
			}
			
			/* jump to the next marker */
			m++;
		}

		/* do we substitute the marker? */
		if (min_dist < JPWL_MAXIMUM_HAMMING) {
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"- marker %x is at distance %d from the read %x\n",
				min_id, min_dist, id);
			opj_event_msg(p_j2k->cinfo, EVT_ERROR,
				"- trying to substitute in place and crossing fingers!\n");
			p_stream_seek(p_j2k->p_stream, p_stream_tell(p_j2k->p_stream) - 2);
			p_stream_write(p_j2k->p_stream, min_id, 2);

			/* rewind */
			p_stream_seek(p_j2k->p_stream, p_stream_tell(p_j2k->p_stream) - 2);

		}

	};
#endif /* USE_JPWL */
	if
		(opj_stream_read_data(p_stream,l_data,2,p_manager) != 2)
	{
		opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
		return false;
	}
	opj_read_bytes(l_data,&l_unknown_size,2);
	if
		(l_unknown_size < 2)
	{
		return false;
	}
	l_unknown_size-=2;

	if
		(opj_stream_skip(p_stream,l_unknown_size,p_manager) != l_unknown_size)
	{
		return false;
	}
	return true;
}

/**
 * Reads the lookup table containing all the marker, status and action, and returns the handler associated 
 * with the marker value.
 * @param	p_id		Marker value to look up
 * 
 * @return	the handler associated with the id.
*/
const opj_dec_memory_marker_handler_t * j2k_get_marker_handler (OPJ_UINT32 p_id) 
{
	const opj_dec_memory_marker_handler_t *e;
	for 
		(e = j2k_memory_marker_handler_tab; e->id != 0; ++e) 
	{
		if 
			(e->id == p_id) 
		{
			break;
		}
	}
	return e;
}

/**
 * Destroys a tile coding parameter structure.
 *
 * @param	p_tcp		the tile coding parameter to destroy.
 */
void j2k_tcp_destroy (opj_tcp_t *p_tcp) 
{
	if
		(p_tcp == 00)
	{
		return;
	}
	if
		(p_tcp->ppt_buffer != 00) 
	{
		opj_free(p_tcp->ppt_buffer);
		p_tcp->ppt_buffer = 00;
	}
	if
		(p_tcp->tccps != 00) 
	{
		opj_free(p_tcp->tccps);
		p_tcp->tccps = 00;
	}
	if
		(p_tcp->m_mct_coding_matrix != 00)
	{
		opj_free(p_tcp->m_mct_coding_matrix);
		p_tcp->m_mct_coding_matrix = 00;
	}
	if
		(p_tcp->m_mct_decoding_matrix != 00)
	{
		opj_free(p_tcp->m_mct_decoding_matrix);
		p_tcp->m_mct_decoding_matrix = 00;
	}
	if
		(p_tcp->m_mcc_records)
	{
		opj_free(p_tcp->m_mcc_records);
		p_tcp->m_mcc_records = 00;
		p_tcp->m_nb_max_mcc_records = 0;
		p_tcp->m_nb_mcc_records = 0;
	}
	if
		(p_tcp->m_mct_records)
	{
		opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
		OPJ_UINT32 i;
		for
			(i=0;i<p_tcp->m_nb_mct_records;++i)
		{
			if
				(l_mct_data->m_data)
			{
				opj_free(l_mct_data->m_data);
				l_mct_data->m_data = 00;
			}
			++l_mct_data;
		}
		opj_free(p_tcp->m_mct_records);
		p_tcp->m_mct_records = 00;
	}

	if
		(p_tcp->mct_norms != 00)
	{
		opj_free(p_tcp->mct_norms);
		p_tcp->mct_norms = 00;
	}
	if
		(p_tcp->m_data)
	{
		opj_free(p_tcp->m_data);
		p_tcp->m_data = 00;
	}
}

/**
 * Destroys a coding parameter structure.
 *
 * @param	p_cp		the coding parameter to destroy.
 */
void j2k_cp_destroy (opj_cp_t *p_cp) 
{
	OPJ_UINT32 l_nb_tiles;
	opj_tcp_t * l_current_tile = 00;
	OPJ_UINT32 i;

	if
		(p_cp == 00)
	{
		return;
	}
	if
		(p_cp->tcps != 00) 
	{
		l_current_tile = p_cp->tcps;
		l_nb_tiles = p_cp->th * p_cp->tw;

		for
			(i = 0; i < l_nb_tiles; ++i) 
		{
			j2k_tcp_destroy(l_current_tile);
			++l_current_tile;
		}
		opj_free(p_cp->tcps);
		p_cp->tcps = 00;
	}
	if
		(p_cp->ppm_buffer != 00) 
	{
		opj_free(p_cp->ppm_buffer);
		p_cp->ppm_buffer = 00;
	}
	if
		(p_cp->comment != 00)
	{
		opj_free(p_cp->comment);
		p_cp->comment = 00;
	}
	if
		(! p_cp->m_is_decoder)
	{
		if
			(p_cp->m_specific_param.m_enc.m_matrice)
		{
			opj_free(p_cp->m_specific_param.m_enc.m_matrice);
			p_cp->m_specific_param.m_enc.m_matrice = 00;
		}
	}
}

/* ----------------------------------------------------------------------- */
/* J2K / JPT decoder interface                                             */
/* ----------------------------------------------------------------------- */
/**
 * Creates a J2K decompression structure.
 * 
 * @return a handle to a J2K decompressor if successful, NULL otherwise.
*/
opj_j2k_t* j2k_create_decompress() 
{
	opj_j2k_t *l_j2k = (opj_j2k_t*) opj_malloc(sizeof(opj_j2k_t));
	if
		(!l_j2k)
	{
		return 00;
	}
	memset(l_j2k,0,sizeof(opj_j2k_t));
	l_j2k->m_is_decoder = 1;
	l_j2k->m_cp.m_is_decoder = 1;
	l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_malloc(sizeof(opj_tcp_t));
	if
		(!l_j2k->m_specific_param.m_decoder.m_default_tcp) 
	{
		opj_free(l_j2k);
		return 00;
	}
	memset(l_j2k->m_specific_param.m_decoder.m_default_tcp,0,sizeof(opj_tcp_t));
	
	l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_malloc(J2K_DEFAULT_HEADER_SIZE);
	if
		(! l_j2k->m_specific_param.m_decoder.m_header_data)
	{
		j2k_destroy(l_j2k);
		return 00;
	}
	l_j2k->m_specific_param.m_decoder.m_header_data_size = J2K_DEFAULT_HEADER_SIZE;

	// validation list creation
	l_j2k->m_validation_list = opj_procedure_list_create();
	if
		(! l_j2k->m_validation_list)
	{
		j2k_destroy(l_j2k);
		return 00;
	}

	// execution list creation
	l_j2k->m_procedure_list = opj_procedure_list_create();
	if
		(! l_j2k->m_procedure_list)
	{
		j2k_destroy(l_j2k);
		return 00;
	}
	return l_j2k;
}

opj_j2k_t* j2k_create_compress() 
{
	opj_j2k_t *l_j2k = (opj_j2k_t*) opj_malloc(sizeof(opj_j2k_t));
	if
		(!l_j2k)
	{
		return 00;
	}
	memset(l_j2k,0,sizeof(opj_j2k_t));
	l_j2k->m_is_decoder = 0;
	l_j2k->m_cp.m_is_decoder = 0;
	
	l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(J2K_DEFAULT_HEADER_SIZE);
	if
		(! l_j2k->m_specific_param.m_encoder.m_header_tile_data)
	{
		j2k_destroy(l_j2k);
		return 00;
	}
	l_j2k->m_specific_param.m_encoder.m_header_tile_data_size = J2K_DEFAULT_HEADER_SIZE;

	// validation list creation
	l_j2k->m_validation_list = opj_procedure_list_create();
	if
		(! l_j2k->m_validation_list)
	{
		j2k_destroy(l_j2k);
		return 00;
	}

	// execution list creation
	l_j2k->m_procedure_list = opj_procedure_list_create();
	if
		(! l_j2k->m_procedure_list)
	{
		j2k_destroy(l_j2k);
		return 00;
	}
	return l_j2k;
}


/**
 * Destroys a jpeg2000 codec.
 * 
 * @param	p_j2k	the jpeg20000 structure to destroy.
 */
void j2k_destroy (opj_j2k_t *p_j2k) 
{
	if
		(p_j2k == 00)
	{
		return;
	}
	
	if
		(p_j2k->m_is_decoder)
	{
		if
			(p_j2k->m_specific_param.m_decoder.m_default_tcp != 00)
		{
			j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
			opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
			p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
		}
		if
			(p_j2k->m_specific_param.m_decoder.m_header_data != 00)
		{
			opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
			p_j2k->m_specific_param.m_decoder.m_header_data = 00;
			p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
		}

	}
	else
	{
		if
			(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data)
		{
			opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
			p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
		}
		if
			(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer)
		{
			opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
			p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
			p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
		}
		if
			(p_j2k->m_specific_param.m_encoder.m_header_tile_data)
		{
			opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
			p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
			p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
		}
	}
	tcd_destroy(p_j2k->m_tcd);
	
	j2k_cp_destroy(&(p_j2k->m_cp));
	memset(&(p_j2k->m_cp),0,sizeof(opj_cp_t));

	opj_procedure_list_destroy(p_j2k->m_procedure_list);
	p_j2k->m_procedure_list = 00;

	opj_procedure_list_destroy(p_j2k->m_validation_list);
	p_j2k->m_procedure_list = 00;
	
	opj_free(p_j2k);
}

/**
 * Starts a compression scheme, i.e. validates the codec parameters, writes the header.
 *
 * @param	p_j2k		the jpeg2000 codec.
 * @param	p_stream			the stream object.
 * @param	p_manager	the user event manager.
 *
 * @return true if the codec is valid.
 */
bool j2k_start_compress(
						opj_j2k_t *p_j2k, 
						opj_stream_private_t *p_stream,
						opj_image_t * p_image, 
						opj_event_mgr_t * p_manager)
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);
	p_j2k->m_image = p_image;
	

	/* customization of the validation */
	j2k_setup_encoding_validation (p_j2k);
	
	/* validation of the parameters codec */
	if
		(! j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager))
	{
		return false;
	}

	/* customization of the encoding */
	j2k_setup_header_writting(p_j2k);

	/* write header */
	if
		(! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager))
	{
		return false;
	}
	return true;
}
/**
 * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
 */
void j2k_setup_header_reading (opj_j2k_t *p_j2k)
{
	// preconditions
	assert(p_j2k != 00);
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_read_header_procedure);

	/* DEVELOPER CORNER, add your custom procedures */
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_copy_default_tcp_and_create_tcd);

}

/**
 * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
 */
void j2k_setup_decoding (opj_j2k_t *p_j2k)
{
	// preconditions
	assert(p_j2k != 00);

	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_decode_tiles);
	/* DEVELOPER CORNER, add your custom procedures */

}

/**
 * Sets up the procedures to do on writting header. Developpers wanting to extend the library can add their own writting procedures.
 */
void j2k_setup_header_writting (opj_j2k_t *p_j2k)
{
	// preconditions
	assert(p_j2k != 00);
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_init_info );
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_soc );
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_siz );
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_cod );
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_qcd );
	

	if
		(p_j2k->m_cp.m_specific_param.m_enc.m_cinema)
	{
		opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_image_components );
		opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_tlm );
		if 
			(p_j2k->m_cp.m_specific_param.m_enc.m_cinema == CINEMA4K_24) 
		{
			opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_poc );
		}
	}
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_regions);

	if 
		(p_j2k->m_cp.comment != 00) 
	{
		opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_com);
	}
	
	/* DEVELOPER CORNER, insert your custom procedures */
	if
		(p_j2k->m_cp.rsiz & MCT)
	{
		opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_mct_data_group );
	}
	/* End of Developer Corner */

	if
		(p_j2k->cstr_info) 
	{
		opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_get_end_header );
	}
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_create_tcd);
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_update_rates);
}

/**
 * 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.
 */
void j2k_setup_end_compress (opj_j2k_t *p_j2k)
{
	// preconditions
	assert(p_j2k != 00);

	/* DEVELOPER CORNER, insert your custom procedures */
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_eoc );
	if
		(p_j2k->m_cp.m_specific_param.m_enc.m_cinema)
	{
		opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_updated_tlm);
	}
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_write_epc );
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_end_encoding );
	opj_procedure_list_add_procedure(p_j2k->m_procedure_list,j2k_destroy_header_memory);
}



/**
 * 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.
 */
void j2k_setup_encoding_validation (opj_j2k_t *p_j2k)
{
	// preconditions
	assert(p_j2k != 00);
	opj_procedure_list_add_procedure(p_j2k->m_validation_list, j2k_build_encoder);
	opj_procedure_list_add_procedure(p_j2k->m_validation_list, j2k_encoding_validation);


	/* DEVELOPER CORNER, add your custom validation procedure */
	opj_procedure_list_add_procedure(p_j2k->m_validation_list, j2k_mct_validation);
}

/**
 * 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.
 */
void j2k_setup_decoding_validation (opj_j2k_t *p_j2k)
{
	// preconditions
	assert(p_j2k != 00);
	opj_procedure_list_add_procedure(p_j2k->m_validation_list, j2k_build_decoder);
	opj_procedure_list_add_procedure(p_j2k->m_validation_list, j2k_decoding_validation);
	/* DEVELOPER CORNER, add your custom validation procedure */

}


/**
 * Excutes the given procedures on the given codec.
 *
 * @param	p_procedure_list	the list of procedures to execute
 * @param	p_j2k					the jpeg2000 codec to execute the procedures on.
 * @param	p_stream					the stream to execute the procedures on.
 * @param	p_manager			the user manager.
 * 
 * @return	true				if all the procedures were successfully executed.
 */
bool j2k_exec (
					opj_j2k_t * p_j2k,
					opj_procedure_list_t * p_procedure_list,
					opj_stream_private_t *p_stream,
					opj_event_mgr_t * p_manager
				  )
{
	bool (** l_procedure) (opj_j2k_t * ,opj_stream_private_t *,opj_event_mgr_t *) = 00;
	bool l_result = true;
	OPJ_UINT32 l_nb_proc, i;

	// preconditions
	assert(p_procedure_list != 00);
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
	l_procedure = (bool (**) (opj_j2k_t * ,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) (p_j2k,p_stream,p_manager));
		++l_procedure;
	}
	// and clear the procedure list at the end.
	opj_procedure_list_clear(p_procedure_list);
	return l_result;
}

/** 
 * The default encoding validation procedure without any extension.
 * 
 * @param	p_j2k			the jpeg2000 codec to validate.
 * @param	p_stream				the input stream to validate.
 * @param	p_manager		the user event manager.
 *
 * @return true if the parameters are correct.
 */
bool j2k_encoding_validation (
								opj_j2k_t * p_j2k,
								opj_stream_private_t *p_stream,
								opj_event_mgr_t * p_manager
							)
{
	bool l_is_valid = true;
	
	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	/* STATE checking */
	/* make sure the state is at 0 */
	l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
	
	/* POINTER validation */
	/* make sure a p_j2k codec is present */
	l_is_valid &= (p_j2k->m_procedure_list != 00);
	/* make sure a validation list is present */
	l_is_valid &= (p_j2k->m_validation_list != 00);

	if
		((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
		return false;
	}
	if
		((p_j2k->m_cp.tdy) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
		return false;
	}

	/* PARAMETER VALIDATION */
	return l_is_valid;
}

/** 
 * The default decoding validation procedure without any extension.
 * 
 * @param	p_j2k			the jpeg2000 codec to validate.
 * @param	p_stream				the input stream to validate.
 * @param	p_manager		the user event manager.
 *
 * @return true if the parameters are correct.
 */
bool j2k_decoding_validation (
								opj_j2k_t *p_j2k,
								opj_stream_private_t *p_stream,
								opj_event_mgr_t * p_manager
							  )
{
	bool l_is_valid = true;
	
	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	/* STATE checking */
	/* make sure the state is at 0 */
	l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
	
	/* POINTER validation */
	/* make sure a p_j2k codec is present */
	/* make sure a procedure list is present */
	l_is_valid &= (p_j2k->m_procedure_list != 00);
	/* make sure a validation list is present */
	l_is_valid &= (p_j2k->m_validation_list != 00);

	/* PARAMETER VALIDATION */
	return l_is_valid;
}

/** 
 * The mct encoding validation procedure.
 * 
 * @param	p_j2k			the jpeg2000 codec to validate.
 * @param	p_stream				the input stream to validate.
 * @param	p_manager		the user event manager.
 *
 * @return true if the parameters are correct.
 */
bool j2k_mct_validation (
								opj_j2k_t * p_j2k,
								opj_stream_private_t *p_stream,
								opj_event_mgr_t * p_manager
							)
{
	bool l_is_valid = true;
	OPJ_UINT32 i,j;
	
	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	if
		((p_j2k->m_cp.rsiz & 0x8200) == 0x8200)
	{
		OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
		opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
		for
			(i=0;i<l_nb_tiles;++i)
		{
			if
				(l_tcp->mct == 2)
			{
				opj_tccp_t * l_tccp = l_tcp->tccps;
				l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
				for
					(j=0;j<p_j2k->m_image->numcomps;++j)
				{
					l_is_valid &= ! (l_tccp->qmfbid & 1);
					++l_tccp;
				}
			}
			++l_tcp;
		}
	}
	return l_is_valid;
}

/**
 * Builds the cp decoder parameters to use to decode tile.
 */
bool j2k_build_decoder (
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						)
{
	// add here initialization of cp
	// copy paste of setup_decoder
	return true;
}

/**
 * Builds the cp encoder parameters to use to encode tile.
 */
bool j2k_build_encoder (
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						)
{
	// add here initialization of cp
	// copy paste of setup_encoder
	return true;
}

bool j2k_copy_default_tcp_and_create_tcd
						(
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						)
{
	opj_tcp_t * l_tcp = 00;
	opj_tcp_t * l_default_tcp = 00;
	OPJ_UINT32 l_nb_tiles;
	OPJ_UINT32 i,j;
	opj_tccp_t *l_current_tccp = 00;
	OPJ_UINT32 l_tccp_size;
	OPJ_UINT32 l_mct_size;
	opj_image_t * l_image;
	OPJ_UINT32 l_mcc_records_size,l_mct_records_size;
	opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
	opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
	OPJ_UINT32 l_offset;
	
	// preconditions in debug
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	l_image = p_j2k->m_image;
	l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
	l_tcp = p_j2k->m_cp.tcps;
	l_tccp_size = l_image->numcomps * sizeof(opj_tccp_t);
	l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
	l_mct_size = l_image->numcomps * l_image->numcomps * sizeof(OPJ_FLOAT32);
	for
		(i=0;i<l_nb_tiles;++i)
	{
		l_current_tccp = l_tcp->tccps;
		memcpy(l_tcp,l_default_tcp, sizeof(opj_tcp_t));
		l_tcp->ppt = 0;
		l_tcp->ppt_data = 00;
		l_tcp->tccps = l_current_tccp;
		if
			(l_default_tcp->m_mct_decoding_matrix)
		{
			l_tcp->m_mct_decoding_matrix = opj_malloc(l_mct_size);
			if
				(! l_tcp->m_mct_decoding_matrix )
			{
				return false;
			}
			memcpy(l_tcp->m_mct_decoding_matrix,l_default_tcp->m_mct_decoding_matrix,l_mct_size);
		}
		l_mct_records_size = l_default_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t);
		l_tcp->m_mct_records = opj_malloc(l_mct_records_size);
		if
			(! l_tcp->m_mct_records)
		{
			return false;
		}
		memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records,l_mct_records_size);
		l_src_mct_rec = l_default_tcp->m_mct_records;
		l_dest_mct_rec = l_tcp->m_mct_records;
		for
			(j=0;j<l_default_tcp->m_nb_mct_records;++j)
		{
			if
				(l_src_mct_rec->m_data)
			{
				l_dest_mct_rec->m_data = opj_malloc(l_src_mct_rec->m_data_size);
				if
					(! l_dest_mct_rec->m_data)
				{
					return false;
				}
				memcpy(l_dest_mct_rec->m_data,l_src_mct_rec->m_data,l_src_mct_rec->m_data_size);
			}
			++l_src_mct_rec;
			++l_dest_mct_rec;
		}
		l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t);
		l_tcp->m_mcc_records = opj_malloc(l_mcc_records_size);
		if
			(! l_tcp->m_mcc_records)
		{
			return false;
		}
		memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size);
		l_src_mcc_rec = l_default_tcp->m_mcc_records;
		l_dest_mcc_rec = l_tcp->m_mcc_records;
		for
			(j=0;j<l_default_tcp->m_nb_max_mcc_records;++j)
		{
			if
				(l_src_mcc_rec->m_decorrelation_array)
			{
				l_offset = l_src_mcc_rec->m_decorrelation_array - l_default_tcp->m_mct_records;
				l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
			}
			if
				(l_src_mcc_rec->m_offset_array)
			{
				l_offset = l_src_mcc_rec->m_offset_array - l_default_tcp->m_mct_records;
				l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
			}
			++l_src_mcc_rec;
			++l_dest_mcc_rec;
		}
		memcpy(l_current_tccp,l_default_tcp->tccps,l_tccp_size);
		++l_tcp;
	}
	p_j2k->m_tcd = tcd_create(true);
	if
		(! p_j2k->m_tcd )
	{
		return false;
	}
	if
		(! tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp)))
	{
		tcd_destroy(p_j2k->m_tcd);
		p_j2k->m_tcd = 00;
		opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
		return false;
	}
	return true;
}

/**
 * Destroys the memory associated with the decoding of headers.
 */
bool j2k_destroy_header_memory (
						opj_j2k_t * p_j2k,
						opj_stream_private_t *p_stream,
						opj_event_mgr_t * p_manager
						)
{
	// preconditions in debug
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	if
		(p_j2k->m_specific_param.m_encoder.m_header_tile_data)
	{
		opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
		p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
	}
	p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
	return true;
}

/**
 * Sets up the decoder decoding parameters using user parameters.
 * Decoding parameters are stored in p_j2k->m_cp. 
 * 
 * @param	p_j2k			J2K codec
 * @param	p_parameters	decompression parameters
 * @deprecated	
*/
void j2k_setup_decoder(
					   opj_j2k_t *p_j2k, 
					   opj_dparameters_t *p_parameters
					   )
{
	if
		(p_j2k && p_parameters) 
	{
		/* create and initialize the coding parameters structure */
		p_j2k->m_cp.m_specific_param.m_dec.m_reduce = p_parameters->cp_reduce;	
		p_j2k->m_cp.m_specific_param.m_dec.m_layer = p_parameters->cp_layer;
		p_j2k->m_specific_param.m_decoder.m_discard_tiles = p_parameters->m_use_restrict_decode;
		if
			(p_parameters->m_use_restrict_decode)
		{
			p_j2k->m_specific_param.m_decoder.m_start_tile_x = p_parameters->m_decode_start_x;
			p_j2k->m_specific_param.m_decoder.m_start_tile_y = p_parameters->m_decode_start_y;
			p_j2k->m_specific_param.m_decoder.m_end_tile_x = p_parameters->m_decode_end_x;
			p_j2k->m_specific_param.m_decoder.m_end_tile_y = p_parameters->m_decode_end_y;
		}

#ifdef USE_JPWL
		cp->correct = parameters->jpwl_correct;
		cp->exp_comps = parameters->jpwl_exp_comps;
		cp->max_tiles = parameters->jpwl_max_tiles;
#endif /* USE_JPWL */
	}
}

void j2k_setup_encoder(opj_j2k_t *p_j2k, opj_cparameters_t *parameters, opj_image_t *image, struct opj_event_mgr * p_manager) {
	OPJ_UINT32 i, j, tileno, numpocs_tile;
	opj_cp_t *cp = 00;
	bool l_res;
	if(!p_j2k || !parameters || ! image) {
		return;
	}
	
	/* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
	cp = &(p_j2k->m_cp);
	
	/* set default values for cp */
	cp->tw = 1;
	cp->th = 1;

	/* 
	copy user encoding parameters 
	*/
	cp->m_specific_param.m_enc.m_cinema = parameters->cp_cinema;
	cp->m_specific_param.m_enc.m_max_comp_size =	parameters->max_comp_size;
	cp->rsiz   = parameters->cp_rsiz;
	cp->m_specific_param.m_enc.m_disto_alloc = parameters->cp_disto_alloc;
	cp->m_specific_param.m_enc.m_fixed_alloc = parameters->cp_fixed_alloc;
	cp->m_specific_param.m_enc.m_fixed_quality = parameters->cp_fixed_quality;

	/* mod fixed_quality */
	if
		(parameters->cp_matrice) 
	{
		size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(OPJ_INT32);
		cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
		memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice, array_size);
	}

	/* tiles */
	cp->tdx = parameters->cp_tdx;
	cp->tdy = parameters->cp_tdy;

	/* tile offset */
	cp->tx0 = parameters->cp_tx0;
	cp->ty0 = parameters->cp_ty0;

	/* comment string */
	if(parameters->cp_comment) {
		cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
		if(cp->comment) {
			strcpy(cp->comment, parameters->cp_comment);
		}
	}

	/*
	calculate other encoding parameters
	*/

	if (parameters->tile_size_on) {
		cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
		cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
	} else {
		cp->tdx = image->x1 - cp->tx0;
		cp->tdy = image->y1 - cp->ty0;
	}

	if
		(parameters->tp_on)
	{
		cp->m_specific_param.m_enc.m_tp_flag = parameters->tp_flag;
		cp->m_specific_param.m_enc.m_tp_on = 1;
	}
	
#ifdef USE_JPWL
	/*
	calculate JPWL encoding parameters
	*/

	if (parameters->jpwl_epc_on) {
		OPJ_INT32 i;

		/* set JPWL on */
		cp->epc_on = true;
		cp->info_on = false; /* no informative technique */

		/* set EPB on */
		if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
			cp->epb_on = true;
			
			cp->hprot_MH = parameters->jpwl_hprot_MH;
			for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
				cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
				cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
			}
			/* if tile specs are not specified, copy MH specs */
			if (cp->hprot_TPH[0] == -1) {
				cp->hprot_TPH_tileno[0] = 0;
				cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
			}
			for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
				cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
				cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
				cp->pprot[i] = parameters->jpwl_pprot[i];
			}
		}

		/* set ESD writing */
		if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
			cp->esd_on = true;

			cp->sens_size = parameters->jpwl_sens_size;
			cp->sens_addr = parameters->jpwl_sens_addr;
			cp->sens_range = parameters->jpwl_sens_range;

			cp->sens_MH = parameters->jpwl_sens_MH;
			for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
				cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
				cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
			}
		}

		/* always set RED writing to false: we are at the encoder */
		cp->red_on = false;

	} else {
		cp->epc_on = false;
	}
#endif /* USE_JPWL */


	/* initialize the mutiple tiles */
	/* ---------------------------- */
	cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
	if 
		(parameters->numpocs) 
	{
		/* initialisation of POC */
		l_res = j2k_check_poc_val(parameters->POC,parameters->numpocs, parameters->numresolution, image->numcomps, parameters->tcp_numlayers, p_manager);
		// TODO
	}
	for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
		opj_tcp_t *tcp = &cp->tcps[tileno];
		tcp->numlayers = parameters->tcp_numlayers;
		for (j = 0; j < tcp->numlayers; j++) {
			if(cp->m_specific_param.m_enc.m_cinema){
				if (cp->m_specific_param.m_enc.m_fixed_quality) {
					tcp->distoratio[j] = parameters->tcp_distoratio[j];
				}
				tcp->rates[j] = parameters->tcp_rates[j];
			}else{
				if (cp->m_specific_param.m_enc.m_fixed_quality) {	/* add fixed_quality */
					tcp->distoratio[j] = parameters->tcp_distoratio[j];
				} else {
					tcp->rates[j] = parameters->tcp_rates[j];
				}
			}
		}
		tcp->csty = parameters->csty;
		tcp->prg = parameters->prog_order;
		tcp->mct = parameters->tcp_mct; 

		
		
		numpocs_tile = 0;
		tcp->POC = 0;
		if 
			(parameters->numpocs) 
		{
			/* initialisation of POC */
			tcp->POC = 1;
			// TODO
			for (i = 0; i < (unsigned int) parameters->numpocs; i++) {
				if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
					opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
					tcp_poc->resno0		= parameters->POC[numpocs_tile].resno0;
					tcp_poc->compno0	= parameters->POC[numpocs_tile].compno0;
					tcp_poc->layno1		= parameters->POC[numpocs_tile].layno1;
					tcp_poc->resno1		= parameters->POC[numpocs_tile].resno1;
					tcp_poc->compno1	= parameters->POC[numpocs_tile].compno1;
					tcp_poc->prg1		= parameters->POC[numpocs_tile].prg1;
					tcp_poc->tile		= parameters->POC[numpocs_tile].tile;
					numpocs_tile++;
				}
			}
			tcp->numpocs = numpocs_tile -1 ;
		}else{ 
			tcp->numpocs = 0;
		}

		tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
		if
			(parameters->mct_data)
		{
			OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * sizeof(OPJ_FLOAT32);
			OPJ_FLOAT32 * lTmpBuf = opj_malloc(lMctSize);
			OPJ_INT32 * l_dc_shift = (OPJ_INT32 *) ((OPJ_BYTE *) parameters->mct_data + lMctSize);
			tcp->mct = 2;
			tcp->m_mct_coding_matrix = opj_malloc(lMctSize);
			memcpy(tcp->m_mct_coding_matrix,parameters->mct_data,lMctSize);
			memcpy(lTmpBuf,parameters->mct_data,lMctSize);
			tcp->m_mct_decoding_matrix = opj_malloc(lMctSize);
			assert(opj_matrix_inversion_f(lTmpBuf,(tcp->m_mct_decoding_matrix),image->numcomps));
			tcp->mct_norms = opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
			opj_calculate_norms(tcp->mct_norms,image->numcomps,tcp->m_mct_decoding_matrix);
			opj_free(lTmpBuf);
			for 
				(i = 0; i < image->numcomps; i++) 
			{
				opj_tccp_t *tccp = &tcp->tccps[i];
				tccp->m_dc_level_shift = l_dc_shift[i];
			}
			j2k_setup_mct_encoding(tcp,image);
		}
		else
		{
			for 
				(i = 0; i < image->numcomps; i++) 
			{
				opj_tccp_t *tccp = &tcp->tccps[i];
				opj_image_comp_t * l_comp = &(image->comps[i]);
				if
					(! l_comp->sgnd)
				{
					tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
				}
			}
		}


		for (i = 0; i < image->numcomps; i++) {
			opj_tccp_t *tccp = &tcp->tccps[i];
			tccp->csty = parameters->csty & 0x01;	/* 0 => one precinct || 1 => custom precinct  */
			tccp->numresolutions = parameters->numresolution;
			tccp->cblkw = int_floorlog2(parameters->cblockw_init);
			tccp->cblkh = int_floorlog2(parameters->cblockh_init);
			tccp->cblksty = parameters->mode;
			tccp->qmfbid = parameters->irreversible ? 0 : 1;
			tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
			tccp->numgbits = 2;
			if (i == parameters->roi_compno) {
				tccp->roishift = parameters->roi_shift;
			} else {
				tccp->roishift = 0;
			}

			if(parameters->cp_cinema)
			{
				//Precinct size for lowest frequency subband=128
				tccp->prcw[0] = 7;
				tccp->prch[0] = 7;
				//Precinct size at all other resolutions = 256
				for (j = 1; j < tccp->numresolutions; j++) {
					tccp->prcw[j] = 8;
					tccp->prch[j] = 8;
				}
			}else{
				if (parameters->csty & J2K_CCP_CSTY_PRT) {
					int p = 0;
					for (j = tccp->numresolutions - 1; j >= 0; j--) {
						if (p < parameters->res_spec) {
							
							if (parameters->prcw_init[p] < 1) {
								tccp->prcw[j] = 1;
							} else {
								tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
							}
							
							if (parameters->prch_init[p] < 1) {
								tccp->prch[j] = 1;
							}else {
								tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
							}

						} else {
							int res_spec = parameters->res_spec;
							int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
							int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
							
							if (size_prcw < 1) {
								tccp->prcw[j] = 1;
							} else {
								tccp->prcw[j] = int_floorlog2(size_prcw);
							}
							
							if (size_prch < 1) {
								tccp->prch[j] = 1;
							} else {
								tccp->prch[j] = int_floorlog2(size_prch);
							}
						}
						p++;
						/*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
					}	//end for
				} else {
					for (j = 0; j < tccp->numresolutions; j++) {
						tccp->prcw[j] = 15;
						tccp->prch[j] = 15;
					}
				}
			}
			
			dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
		}
	}
	if
		(parameters->mct_data)
	{
		opj_free(parameters->mct_data);
		parameters->mct_data = 00;
	}
}

bool j2k_write_first_tile_part (
									opj_j2k_t *p_j2k,
									OPJ_BYTE * p_data,
									OPJ_UINT32 * p_data_written,
									OPJ_UINT32 p_total_data_size,
									opj_stream_private_t *p_stream,
									struct opj_event_mgr * p_manager
								)
{
	OPJ_UINT32 compno;
	OPJ_UINT32 l_nb_bytes_written = 0;
	OPJ_UINT32 l_current_nb_bytes_written;
	OPJ_BYTE * l_begin_data = 00;

	opj_tcp_t *l_tcp = 00;
	opj_tcd_t * l_tcd = 00;
	opj_cp_t * l_cp = 00;
	
	l_tcd = p_j2k->m_tcd;
	l_cp = &(p_j2k->m_cp);
	l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;

	l_tcd->cur_pino = 0;
	/*Get number of tile parts*/
	
	p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
	/* INDEX >> */
						
	/* << INDEX */
	l_current_nb_bytes_written = 0;
	l_begin_data = p_data;
	if
		(! j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager))
	{
		return false;
	}
	l_nb_bytes_written += l_current_nb_bytes_written;
	p_data += l_current_nb_bytes_written;
	p_total_data_size -= l_current_nb_bytes_written;

	if
		(l_cp->m_specific_param.m_enc.m_cinema == 0)
	{
		for 
			(compno = 1; compno < p_j2k->m_image->numcomps; compno++) 
		{
			l_current_nb_bytes_written = 0;
			j2k_write_coc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager);
			l_nb_bytes_written += l_current_nb_bytes_written;
			p_data += l_current_nb_bytes_written;
			p_total_data_size -= l_current_nb_bytes_written;
			
			l_current_nb_bytes_written = 0;
			j2k_write_qcc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager);
			l_nb_bytes_written += l_current_nb_bytes_written;
			p_data += l_current_nb_bytes_written;
			p_total_data_size -= l_current_nb_bytes_written;
		}
		if 
			(l_cp->tcps[p_j2k->m_current_tile_number].numpocs) 
		{
			l_current_nb_bytes_written = 0;
			j2k_write_poc_in_memory(p_j2k,p_data,&l_current_nb_bytes_written,p_manager);
			l_nb_bytes_written += l_current_nb_bytes_written;
			p_data += l_current_nb_bytes_written;
			p_total_data_size -= l_current_nb_bytes_written;
		}
	}
	l_current_nb_bytes_written = 0;
	if
		(! j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager))
	{
		return false;
	}
	l_nb_bytes_written += l_current_nb_bytes_written;
	* p_data_written = l_nb_bytes_written;
	
	/* Writing Psot in SOT marker */
	opj_write_bytes(l_begin_data + 6,l_nb_bytes_written,4);					/* PSOT */
	if
		(l_cp->m_specific_param.m_enc.m_cinema)
	{
		j2k_update_tlm(p_j2k,l_nb_bytes_written);
	}
	return true;
}

bool j2k_write_all_tile_parts(
									opj_j2k_t *p_j2k,
									OPJ_BYTE * p_data,
									OPJ_UINT32 * p_data_written,
									OPJ_UINT32 p_total_data_size,
									opj_stream_private_t *p_stream,
									struct opj_event_mgr * p_manager
								)
{
	OPJ_UINT32 tilepartno=0;
	OPJ_UINT32 l_nb_bytes_written = 0;
	OPJ_UINT32 l_current_nb_bytes_written;
	OPJ_UINT32 l_part_tile_size;
	OPJ_UINT32 tot_num_tp;
	OPJ_UINT32 pino;

	OPJ_BYTE * l_begin_data;
	opj_tcp_t *l_tcp = 00;
	opj_tcd_t * l_tcd = 00;
	opj_cp_t * l_cp = 00;
	

	l_tcd = p_j2k->m_tcd;
	l_cp = &(p_j2k->m_cp);
	l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;

	/*Get number of tile parts*/
	tot_num_tp = j2k_get_num_tp(l_cp,0,p_j2k->m_current_tile_number);
	for
		(tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno)
	{
		p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
		l_current_nb_bytes_written = 0;
		l_part_tile_size = 0;
		l_begin_data = p_data;
		if
			(! j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager))
		{
			return false;
		}
		l_nb_bytes_written += l_current_nb_bytes_written;
		p_data += l_current_nb_bytes_written;
		p_total_data_size -= l_current_nb_bytes_written;
		l_part_tile_size += l_nb_bytes_written;

		l_current_nb_bytes_written = 0;
		if
			(! j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager))
		{
			return false;
		}
		p_data += l_current_nb_bytes_written;
		l_nb_bytes_written += l_current_nb_bytes_written;
		p_total_data_size -= l_current_nb_bytes_written;
		l_part_tile_size += l_nb_bytes_written;
		
		/* Writing Psot in SOT marker */
		opj_write_bytes(l_begin_data + 6,l_part_tile_size,4);					/* PSOT */

		if
			(l_cp->m_specific_param.m_enc.m_cinema)
		{
			j2k_update_tlm(p_j2k,l_part_tile_size);
		}
		++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
	}
	for
		(pino = 1; pino <= l_tcp->numpocs; ++pino) 
	{	
		l_tcd->cur_pino = pino;
		/*Get number of tile parts*/
		tot_num_tp = j2k_get_num_tp(l_cp,pino,p_j2k->m_current_tile_number);
		for
			(tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno)
		{
			p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
			l_current_nb_bytes_written = 0;
			l_part_tile_size = 0;
			l_begin_data = p_data;
			if
				(! j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager))
			{
				return false;
			}
			l_nb_bytes_written += l_current_nb_bytes_written;
			p_data += l_current_nb_bytes_written;
			p_total_data_size -= l_current_nb_bytes_written;
			l_part_tile_size += l_current_nb_bytes_written;

			l_current_nb_bytes_written = 0;
			if
				(! j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager))
			{
				return false;
			}
			l_nb_bytes_written += l_current_nb_bytes_written;
			p_data += l_current_nb_bytes_written;
			p_total_data_size -= l_current_nb_bytes_written;
			l_part_tile_size += l_current_nb_bytes_written;
			
			/* Writing Psot in SOT marker */
			opj_write_bytes(l_begin_data + 6,l_part_tile_size,4);					/* PSOT */
			
			if
				(l_cp->m_specific_param.m_enc.m_cinema)
			{
				j2k_update_tlm(p_j2k,l_part_tile_size);
			}
			++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
		}			
	}
	*p_data_written = l_nb_bytes_written;
	return true;
}


bool j2k_pre_write_tile (
					 opj_j2k_t * p_j2k,
					 OPJ_UINT32 p_tile_index,
					 opj_stream_private_t *p_stream,
					 opj_event_mgr_t * p_manager
					)
{
	if
		(p_tile_index != p_j2k->m_current_tile_number)
	{
		opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match." );
		return false;
	}

	opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n", p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);

	p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
	p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
	p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
	/* initialisation before tile encoding  */
	if
		(! tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number))
	{
		return false;
	}
	return true;
}

/**
 * Writes a tile.
 * @param	p_j2k		the jpeg2000 codec.
 * @param	p_stream			the stream to write data to.
 * @param	p_manager	the user event manager.
 */
bool j2k_write_tile (
					 opj_j2k_t * p_j2k,
					 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
					)
{
	if
		(! j2k_pre_write_tile(p_j2k,p_tile_index,p_stream,p_manager))
	{
		return false;
	}
	return j2k_post_write_tile(p_j2k,p_data,p_data_size,p_stream,p_manager);
}

/**
 * Writes a tile.
 * @param	p_j2k		the jpeg2000 codec.
 * @param	p_stream			the stream to write data to.
 * @param	p_manager	the user event manager.
 */
bool j2k_post_write_tile (
					 opj_j2k_t * p_j2k,
					 OPJ_BYTE * p_data,
					 OPJ_UINT32 p_data_size,
					 opj_stream_private_t *p_stream,
					 opj_event_mgr_t * p_manager
					)
{
	opj_tcd_t * l_tcd = 00;
	opj_cp_t * l_cp = 00;
	opj_tcp_t * l_tcp = 00;
	OPJ_UINT32 l_nb_bytes_written;
	OPJ_BYTE * l_current_data = 00;
	OPJ_UINT32 l_tile_size = 0;
	OPJ_UINT32 l_available_data;
	
	assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);

	l_tcd = p_j2k->m_tcd;
	l_cp = &(p_j2k->m_cp);
	l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
	
	l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
	l_available_data = l_tile_size;
	l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
	if
		(! tcd_copy_tile_data(l_tcd,p_data,p_data_size))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Size mismtach between tile data and sent data." );
		return false;
	}
	
	l_nb_bytes_written = 0;
	if
		(! j2k_write_first_tile_part(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager))
	{
		return false;
	}
	l_current_data += l_nb_bytes_written;
	l_available_data -= l_nb_bytes_written;

	l_nb_bytes_written = 0;
	if
		(! j2k_write_all_tile_parts(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager))
	{
		return false;
	}
	
	l_available_data -= l_nb_bytes_written;
	l_nb_bytes_written = l_tile_size - l_available_data;
		
	if
		(opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,l_nb_bytes_written,p_manager) != l_nb_bytes_written)
	{
		return false;
	}
	++p_j2k->m_current_tile_number;
	return true;	
}

/**
 * Reads a tile header.
 * @param	p_j2k		the jpeg2000 codec.
 * @param	p_stream			the stream to write data to.
 * @param	p_manager	the user event manager.
 */
bool j2k_read_tile_header (
					 opj_j2k_t * p_j2k,
					 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,
					 bool * p_go_on,
					 opj_stream_private_t *p_stream,
					 opj_event_mgr_t * p_manager
					)
{
	OPJ_UINT32 l_current_marker = J2K_MS_SOT;
	OPJ_UINT32 l_marker_size;
	const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
	opj_tcp_t * l_tcp = 00;
	OPJ_UINT32 l_nb_tiles;

	// preconditions
	assert(p_stream != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_EOC)
	{
		l_current_marker = J2K_MS_EOC;
	}
	else if
		(p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_TPHSOT)
	{
		return false;
	}
	
	while
		(! p_j2k->m_specific_param.m_decoder.m_can_decode && l_current_marker != J2K_MS_EOC)
	{
		while
			(l_current_marker != J2K_MS_SOD)
		{
			if
				(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2)
			{
				opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
				return false;
			}
			opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
			if
				(p_j2k->m_specific_param.m_decoder.m_state & J2K_DEC_STATE_TPH)
			{
				p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
			}
			l_marker_size -= 2;
	
			l_marker_handler = j2k_get_marker_handler(l_current_marker);
			// Check if the marker is known
			if 
				(! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) 
			{
				opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
				return false;
			}
			if
				(l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size)
			{
				p_j2k->m_specific_param.m_decoder.m_header_data = opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
				if
					(p_j2k->m_specific_param.m_decoder.m_header_data == 00)
				{
					return false;
				}
				p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;

			}
			if
				(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size)
			{
				opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
				return false;
			}
			if
				(! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager))
			{
				opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
				return false;
			}
			if
				(p_j2k->m_specific_param.m_decoder.m_skip_data)
			{
				if
					(opj_stream_skip(p_stream,p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length)
				{
					opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
					return false;
				}
				l_current_marker = J2K_MS_SOD;
			}
			else
			{
				if
					(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2)
				{
					opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
					return false;
				}
				opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
			}
		}

		if
			(! p_j2k->m_specific_param.m_decoder.m_skip_data)
		{
			if
				(! j2k_read_sod(p_j2k,p_stream,p_manager))
			{
				return false;
			}
		}
		else
		{
			p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
			p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
			p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_TPHSOT; 
			if
				(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2)
			{
				opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
				return false;
			}
			opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
		}
	}
	
	if
		(l_current_marker == J2K_MS_EOC)
	{
		if
			(p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_EOC)
		{
			p_j2k->m_current_tile_number = 0;
			p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_EOC;
		}
	}
	if
		( ! p_j2k->m_specific_param.m_decoder.m_can_decode)
	{
		l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
		l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
		while
			(
				(p_j2k->m_current_tile_number < l_nb_tiles)
				&&	(l_tcp->m_data == 00)
			)
		{
			++p_j2k->m_current_tile_number;
			++l_tcp;
		}
		if
			(p_j2k->m_current_tile_number == l_nb_tiles)
		{
			*p_go_on = false;
			return true;
		}
	}
	if
		(! tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
		return false;
	}
	*p_tile_index = p_j2k->m_current_tile_number;
	*p_go_on = true;
	*p_data_size = tcd_get_decoded_tile_size(p_j2k->m_tcd);
	* p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
	* p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
	* p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
	* p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
	* p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
	p_j2k->m_specific_param.m_decoder.m_state |= J2K_DEC_STATE_DATA;
	return true;
}

bool j2k_decode_tile (
					opj_j2k_t * p_j2k,
					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
					)
{
	OPJ_UINT32 l_current_marker;
	OPJ_BYTE l_data [2];
	opj_tcp_t * l_tcp;

	// preconditions
	assert(p_stream != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	if
		(! (p_j2k->m_specific_param.m_decoder.m_state & J2K_DEC_STATE_DATA) || p_tile_index != p_j2k->m_current_tile_number)
	{
		return false;
	}
	l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
	if
		(! l_tcp->m_data)
	{
		j2k_tcp_destroy(&(p_j2k->m_cp.tcps[p_tile_index]));
		return false;
	}
	if
		(! tcd_decode_tile(p_j2k->m_tcd, l_tcp->m_data, l_tcp->m_data_size, p_tile_index, p_j2k->cstr_info))
	{
		j2k_tcp_destroy(l_tcp);
		p_j2k->m_specific_param.m_decoder.m_state |= J2K_DEC_STATE_ERR;
		return false;
	}
	if
		(! tcd_update_tile_data(p_j2k->m_tcd,p_data,p_data_size))
	{
		return false;
	}
	j2k_tcp_destroy(l_tcp);
	p_j2k->m_tcd->tcp = 0;

	p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
	p_j2k->m_specific_param.m_decoder.m_state &= (~J2K_DEC_STATE_DATA);
	if
		(p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_EOC)
	{
		if
			(opj_stream_read_data(p_stream,l_data,2,p_manager) != 2)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
			return false;
		}
		opj_read_bytes(l_data,&l_current_marker,2);
		if
			(l_current_marker == J2K_MS_EOC)
		{
			p_j2k->m_current_tile_number = 0;
			p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_EOC;
		}
		else if
			(l_current_marker != J2K_MS_SOT)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
			return false;
		}
	}
	return true;
}
	

/**
 * Ends the compression procedures and possibiliy add data to be read after the 
 * codestream.
 */
bool j2k_end_compress(opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager)
{
	/* customization of the encoding */
	j2k_setup_end_compress(p_j2k);

	if
		(! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager))
	{
		return false;
	}
	return true;
}

/**
 * Reads a jpeg2000 codestream header structure.
 *
 * @param p_stream the stream to read data from.
 * @param p_j2k the jpeg2000 codec.
 * @param p_manager the user event manager.
 *
 * @return true if the box is valid.
 */
bool j2k_read_header(
								opj_j2k_t *p_j2k,
								struct opj_image ** p_image,
								OPJ_INT32 * p_tile_x0,
								OPJ_INT32 * p_tile_y0,
								OPJ_UINT32 * p_tile_width,
								OPJ_UINT32 * p_tile_height,
								OPJ_UINT32 * p_nb_tiles_x,
								OPJ_UINT32 * p_nb_tiles_y,
								struct opj_stream_private *p_stream,
								struct opj_event_mgr * p_manager
							)
{
	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);
	
	*p_image = 00;
	/* create an empty image */
	p_j2k->m_image = opj_image_create0();
	if
		(! p_j2k->m_image)
	{
		return false;
	}

	/* customization of the validation */
	j2k_setup_decoding_validation (p_j2k);
	
	/* validation of the parameters codec */
	if
		(! j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager))
	{
		opj_image_destroy(p_j2k->m_image);
		p_j2k->m_image = 00;
		return false;
	}

	/* customization of the encoding */
	j2k_setup_header_reading(p_j2k);

	/* read header */
	if
		(! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager))
	{
		opj_image_destroy(p_j2k->m_image);
		p_j2k->m_image = 00;
		return false;
	}
	*p_image = p_j2k->m_image;
	* p_tile_x0 = p_j2k->m_cp.tx0;
    * p_tile_y0 = p_j2k->m_cp.ty0;
	* p_tile_width = p_j2k->m_cp.tdx;
    * p_tile_height = p_j2k->m_cp.tdy;
	* p_nb_tiles_x = p_j2k->m_cp.tw;
	* p_nb_tiles_y = p_j2k->m_cp.th;
	return true;
}

/**
 * The read header procedure.
 */
bool j2k_read_header_procedure(
								opj_j2k_t *p_j2k,
								struct opj_stream_private *p_stream,
								struct opj_event_mgr * p_manager)
{
	OPJ_UINT32 l_current_marker;
	OPJ_UINT32 l_marker_size;
	const opj_dec_memory_marker_handler_t * l_marker_handler = 00;

	// preconditions
	assert(p_stream != 00);
	assert(p_j2k != 00);
	assert(p_manager != 00);
	
	p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_MHSOC;

	if
		(! j2k_read_soc(p_j2k,p_stream,p_manager))
	{
		opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
		return false;
	}
	if
		(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2)
	{
		opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
		return false;
	}
	opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);

	while
		(l_current_marker != J2K_MS_SOT)
	{
		if
			(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
			return false;
		}
		opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
		l_marker_size -= 2;
		/*if 
			(l_current_marker < 0xff00) 
		{
			opj_event_msg(p_manager, EVT_ERROR, "%.8x: expected a marker instead of %x\n", opj_stream_tell(p_stream) - 2, l_current_marker);
			return 0;
		}
		*/
		l_marker_handler = j2k_get_marker_handler(l_current_marker);
		// Check if the marker is known
		if 
			(! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) 
		{
			opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
			return false;
		}
		if
			(l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size)
		{
			p_j2k->m_specific_param.m_decoder.m_header_data = opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
			if
				(p_j2k->m_specific_param.m_decoder.m_header_data == 00)
			{
				return false;
			}
			p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
		}
		if
			(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
			return false;
		}
		if
			(! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager))
		{
			opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
			return false;
		}
		if
			(opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2)
		{
			opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
			return false;
		}
		opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
	}
	p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_TPHSOT;
	return true;
}



/**
 * Reads the tiles.
 */
bool j2k_decode_tiles (
								opj_j2k_t *p_j2k,
								struct opj_stream_private *p_stream,
								struct opj_event_mgr * p_manager)
{
	bool l_go_on = true;
	OPJ_UINT32 l_current_tile_no;
	OPJ_UINT32 l_data_size,l_max_data_size;
	OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1;
	OPJ_UINT32 l_nb_comps;
	OPJ_BYTE * l_current_data;

	l_current_data = opj_malloc(1000);
	if
		(! l_current_data)
	{
		return false;
	}
	l_max_data_size = 1000;

	while
		(true)
	{
		if
			(! j2k_read_tile_header(
				p_j2k,&l_current_tile_no,
				&l_data_size,
				&l_tile_x0,
				&l_tile_y0,
				&l_tile_x1,
				&l_tile_y1,
				&l_nb_comps,
				&l_go_on,
				p_stream,
				p_manager))
		{
			return false;
		}
		if
			(! l_go_on)
		{
			break;
		}
		if
			(l_data_size > l_max_data_size)
		{
			l_current_data = opj_realloc(l_current_data,l_data_size);
			if
				(! l_current_data)
			{
				return false;
			}
			l_max_data_size = l_data_size;
		}
		if
			(! j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager))
		{
			opj_free(l_current_data);
			return false;
		}
		if
			(! j2k_update_image_data(p_j2k->m_tcd,l_current_data))
		{
			opj_free(l_current_data);
			return false;
		}

	}
	opj_free(l_current_data);
	return true;
}






/**
 * Decodes the tiles of the stream.
 */
opj_image_t * j2k_decode(
						  opj_j2k_t * p_j2k,
						 opj_stream_private_t * p_stream,
						 opj_event_mgr_t * p_manager)
{
	/* customization of the encoding */
	j2k_setup_decoding(p_j2k);

	/* write header */
	if
		(! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager))
	{
		opj_image_destroy(p_j2k->m_image);
		p_j2k->m_image = 00;
	}
	return p_j2k->m_image;
}

/**
 * Encodes all the tiles in a row.
 */
bool j2k_encode( 
					opj_j2k_t * p_j2k,
					opj_stream_private_t *p_stream,
					opj_event_mgr_t * p_manager
				) 
{
	OPJ_UINT32 i;
	OPJ_UINT32 l_nb_tiles;
	OPJ_UINT32 l_max_tile_size, l_current_tile_size;
	OPJ_BYTE * l_current_data;

	// preconditions
	assert(p_j2k != 00);
	assert(p_stream != 00);
	assert(p_manager != 00);

	l_current_data = opj_malloc(1000);
	if
		(! l_current_data)
	{
		return false;
	}
	l_max_tile_size = 1000;

	l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
	for
		(i=0;i<l_nb_tiles;++i)
	{
		if
			(! j2k_pre_write_tile(p_j2k,i,p_stream,p_manager))
		{
			opj_free(l_current_data);
			return false;
		}
		l_current_tile_size = tcd_get_encoded_tile_size(p_j2k->m_tcd);
		if
			(l_current_tile_size > l_max_tile_size)
		{
			l_current_data = opj_realloc(l_current_data,l_current_tile_size);
			if
				(! l_current_data)
			{
				return false;
			}
			l_max_tile_size = l_current_tile_size;
		}
		j2k_get_tile_data(p_j2k->m_tcd,l_current_data);
		if
			(! j2k_post_write_tile (p_j2k,l_current_data,l_current_tile_size,p_stream,p_manager))
		{
			return false;
		}
	}
	opj_free(l_current_data);
	return true;
}



/**
 * Ends the decompression procedures and possibiliy add data to be read after the 
 * codestream.
 */
bool j2k_end_decompress(
						opj_j2k_t *p_j2k, 
						struct opj_stream_private *p_stream, 
						struct opj_event_mgr * p_manager)
{
	return true;
}



void j2k_get_tile_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
{
	OPJ_UINT32 i,j,k = 0;
	OPJ_UINT32 l_width,l_height,l_stride, l_offset_x,l_offset_y, l_image_width;
	opj_image_comp_t * l_img_comp = 00;
	opj_tcd_tilecomp_t * l_tilec = 00;
	opj_image_t * l_image = 00;
	OPJ_UINT32 l_size_comp, l_remaining;
	OPJ_INT32 * l_src_ptr;
	l_tilec = p_tcd->tcd_image->tiles->comps;
	l_image = p_tcd->image;
	l_img_comp = l_image->comps;
	for
		(i=0;i<p_tcd->image->numcomps;++i)
	{
		l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
		l_remaining = l_img_comp->prec & 7;  /* (%8) */
		if
			(l_remaining)
		{
			++l_size_comp;
		}
		if
			(l_size_comp == 3)
		{
			l_size_comp = 4;
		}
		l_width = (l_tilec->x1 - l_tilec->x0);
		l_height = (l_tilec->y1 - l_tilec->y0);
		l_offset_x = int_ceildiv(l_image->x0, l_img_comp->dx);
		l_offset_y = int_ceildiv(l_image->y0, l_img_comp->dy);
		l_image_width = int_ceildiv(l_image->x1 - l_image->x0, l_img_comp->dx);
		l_stride = l_image_width - l_width;
		l_src_ptr = l_img_comp->data + (l_tilec->x0 - l_offset_x) + (l_tilec->y0 - l_offset_y) * l_image_width;

		switch
			(l_size_comp)
		{
			case 1:
				{
					OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
					if
						(l_img_comp->sgnd)
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr) = (OPJ_CHAR) (*l_src_ptr);
								++l_dest_ptr;
								++l_src_ptr;
							}
							l_src_ptr += l_stride;
						}
					}
					else
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr) = (*l_src_ptr)&0xff;
								++l_dest_ptr;
								++l_src_ptr;
							}
							l_src_ptr += l_stride;
						}
					}
					p_data = (OPJ_BYTE*) l_dest_ptr;
				}
				break;
			case 2:
				{
					OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
					if
						(l_img_comp->sgnd)
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr++) = (OPJ_INT16) (*(l_src_ptr++));
							}
							l_src_ptr += l_stride;
						}
					}
					else
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
							}
							l_src_ptr += l_stride;
						}
					}
					p_data = (OPJ_BYTE*) l_dest_ptr;
				}
				break;
			case 4:
				{
					OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
					for	
						(j=0;j<l_height;++j)
					{
						for
							(k=0;k<l_width;++k)
						{
							*(l_dest_ptr++) = *(l_src_ptr++);
						}
						l_src_ptr += l_stride;
					}
					p_data = (OPJ_BYTE*) l_dest_ptr;
				}
				break;
		} 
		++l_img_comp;
		++l_tilec;
	}
}

bool j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
{
	OPJ_UINT32 i,j,k = 0;
	OPJ_UINT32 l_width,l_height,l_offset_x,l_offset_y;
	opj_image_comp_t * l_img_comp = 00;
	opj_tcd_tilecomp_t * l_tilec = 00;
	opj_image_t * l_image = 00;
	OPJ_UINT32 l_size_comp, l_remaining;
	OPJ_UINT32 l_dest_stride;
	OPJ_INT32 * l_dest_ptr;
	opj_tcd_resolution_t* l_res= 00;


	l_tilec = p_tcd->tcd_image->tiles->comps;
	l_image = p_tcd->image;
	l_img_comp = l_image->comps;
	for
		(i=0;i<p_tcd->image->numcomps;++i)
	{
		if
			(!l_img_comp->data)
		{
			l_img_comp->data = (OPJ_INT32*) opj_malloc(l_img_comp->w * l_img_comp->h * sizeof(OPJ_INT32));
			if
				(! l_img_comp->data)
			{
				return false;
			}
			memset(l_img_comp->data,0,l_img_comp->w * l_img_comp->h * sizeof(OPJ_INT32));
		}

		l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
		l_remaining = l_img_comp->prec & 7;  /* (%8) */
		l_res = l_tilec->resolutions + l_img_comp->resno_decoded;
		
		if
			(l_remaining)
		{
			++l_size_comp;
		}
		if
			(l_size_comp == 3)
		{
			l_size_comp = 4;
		}
		l_width = (l_res->x1 - l_res->x0);
		l_height = (l_res->y1 - l_res->y0);
		l_dest_stride = (l_img_comp->w) - l_width;
		l_offset_x = int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
		l_offset_y = int_ceildivpow2(l_img_comp->y0, l_img_comp->factor);
		l_dest_ptr = l_img_comp->data + (l_res->x0 - l_offset_x) + (l_res->y0 - l_offset_y) * l_img_comp->w;

		switch
			(l_size_comp)
		{
			case 1:
				{
					OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data;
					if
						(l_img_comp->sgnd)
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++));
							}
							l_dest_ptr += l_dest_stride;
						}
						
					}
					else
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr++) = (OPJ_INT32) ((*(l_src_ptr++))&0xff);
							}
							l_dest_ptr += l_dest_stride;
						}
					}
					p_data = (OPJ_BYTE*) l_src_ptr;
				}
				break;
			case 2:
				{
					OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_data;
					if
						(l_img_comp->sgnd)
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr++) = *(l_src_ptr++);
							}
							l_dest_ptr += l_dest_stride;
						}
					}
					else
					{
						for	
							(j=0;j<l_height;++j)
						{
							for
								(k=0;k<l_width;++k)
							{
								*(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
							}
							l_dest_ptr += l_dest_stride;
						}
					}
					p_data = (OPJ_BYTE*) l_src_ptr;
				}
				break;
			case 4:
				{
					OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_data;
					for	
						(j=0;j<l_height;++j)
					{
						for
							(k=0;k<l_width;++k)
						{
							*(l_dest_ptr++) = (*(l_src_ptr++));
						}
						l_dest_ptr += l_dest_stride;
					}
					p_data = (OPJ_BYTE*) l_src_ptr;
				}
				break;
		} 
		++l_img_comp;
		++l_tilec;
	}
	return true;
}

/**
 * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
 * 
 * @param	p_j2k			the jpeg2000 codec.
 * @param	p_start_x		the left position of the rectangle to decode (in image coordinates).
 * @param	p_end_x			the right position of the rectangle to decode (in image coordinates).
 * @param	p_start_y		the up position of the rectangle to decode (in image coordinates).
 * @param	p_end_y			the bottom position of the rectangle to decode (in image coordinates).
 * @param	p_manager		the user event manager
 *
 * @return	true			if the area could be set.
 */				
bool j2k_set_decode_area(
			opj_j2k_t *p_j2k,
			OPJ_INT32 p_start_x,
			OPJ_INT32 p_start_y,
			OPJ_INT32 p_end_x,
			OPJ_INT32 p_end_y,
			struct opj_event_mgr * p_manager
			)
{
	opj_cp_t * l_cp = &(p_j2k->m_cp);

	if
		(p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_TPHSOT)
	{
		return false;
	}
	p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_start_x - l_cp->tx0) / l_cp->tdx;
	p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_start_y - l_cp->ty0) / l_cp->tdy;
	p_j2k->m_specific_param.m_decoder.m_end_tile_x = int_ceildiv((p_end_x - l_cp->tx0), l_cp->tdx);
	p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_end_y - l_cp->ty0), l_cp->tdy);
	p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1; 
	return true;
}