/*
 * The copyright in this software is being made available under the 2-clauses 
 * BSD License, included below. This software may be subject to other third 
 * party and contributor rights, including patent rights, and no such rights
 * are granted under this license.
 *
 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2014, Professor Benoit Macq
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2007, Francois-Olivier Devaux 
 * Copyright (c) 2003-2014, Antonin Descampe
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * Copyright (c) 2006-2007, Parvatha Elangovan
 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR 
 * Copyright (c) 2012, CS Systemes d'Information, France
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#include "opj_apps_config.h"

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>

#ifdef _WIN32
#include "windirent.h"
#else
#include <dirent.h>
#endif /* _WIN32 */

#ifdef _WIN32
#include <windows.h>
#define strcasecmp _stricmp
#define strncasecmp _strnicmp
#else
#include <strings.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/times.h>
#endif /* _WIN32 */

#include "openjpeg.h"
#include "opj_getopt.h"
#include "convert.h"
#include "index.h"

#ifdef OPJ_HAVE_LIBLCMS2
#include <lcms2.h>
#endif
#ifdef OPJ_HAVE_LIBLCMS1
#include <lcms.h>
#endif
#include "color.h"

#include "format_defs.h"
#include "opj_string.h"

typedef struct dircnt{
	/** Buffer for holding images read from Directory*/
	char *filename_buf;
	/** Pointer to the buffer*/
	char **filename;
}dircnt_t;


typedef struct img_folder{
	/** The directory path of the folder containing input images*/
	char *imgdirpath;
	/** Output format*/
	const char *out_format;
	/** Enable option*/
	char set_imgdir;
	/** Enable Cod Format for output*/
	char set_out_format;

}img_fol_t;

typedef enum opj_prec_mode
{
	OPJ_PREC_MODE_CLIP,
	OPJ_PREC_MODE_SCALE
} opj_precision_mode;

typedef struct opj_prec
{
	OPJ_UINT32         prec;
	opj_precision_mode mode;
}opj_precision;

typedef struct opj_decompress_params
{
	/** core library parameters */
	opj_dparameters_t core;
	
	/** input file name */
	char infile[OPJ_PATH_LEN];
	/** output file name */
	char outfile[OPJ_PATH_LEN];
	/** input file format 0: J2K, 1: JP2, 2: JPT */
	int decod_format;
	/** output file format 0: PGX, 1: PxM, 2: BMP */
	int cod_format;
	/** index file name */
	char indexfilename[OPJ_PATH_LEN];
	
	/** Decoding area left boundary */
	OPJ_UINT32 DA_x0;
	/** Decoding area right boundary */
	OPJ_UINT32 DA_x1;
	/** Decoding area up boundary */
	OPJ_UINT32 DA_y0;
	/** Decoding area bottom boundary */
	OPJ_UINT32 DA_y1;
	/** Verbose mode */
	OPJ_BOOL m_verbose;
	
	/** tile number ot the decoded tile*/
	OPJ_UINT32 tile_index;
	/** Nb of tile to decode */
	OPJ_UINT32 nb_tile_to_decode;
	
	opj_precision* precision;
	OPJ_UINT32     nb_precision;
	
	/* force output colorspace to RGB */
	int force_rgb;
	/* upsample components according to their dx/dy values */
	int upsample;
	/* split output components to different files */
	int split_pnm;
}opj_decompress_parameters;

/* -------------------------------------------------------------------------- */
/* Declarations                                                               */
int get_num_images(char *imgdirpath);
int load_images(dircnt_t *dirptr, char *imgdirpath);
int get_file_format(const char *filename);
char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_decompress_parameters *parameters);
static int infile_format(const char *fname);

int parse_cmdline_decoder(int argc, char **argv, opj_decompress_parameters *parameters,img_fol_t *img_fol);
int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1);

static opj_image_t* convert_gray_to_rgb(opj_image_t* original);

/* -------------------------------------------------------------------------- */
static void decode_help_display(void) {
	fprintf(stdout,"\nThis is the opj_decompress utility from the OpenJPEG project.\n"
	               "It decompresses JPEG 2000 codestreams to various image formats.\n"
	               "It has been compiled against openjp2 library v%s.\n\n",opj_version());

	fprintf(stdout,"Parameters:\n"
	               "-----------\n"
	               "\n"
	               "  -ImgDir <directory> \n"
	               "	Image file Directory path \n"
	               "  -OutFor <PBM|PGM|PPM|PNM|PAM|PGX|PNG|BMP|TIF|RAW|RAWL|TGA>\n"
	               "    REQUIRED only if -ImgDir is used\n"
	               "	Output format for decompressed images.\n");
	fprintf(stdout,"  -i <compressed file>\n"
	               "    REQUIRED only if an Input image directory is not specified\n"
	               "    Currently accepts J2K-files, JP2-files and JPT-files. The file type\n"
	               "    is identified based on its suffix.\n");
	fprintf(stdout,"  -o <decompressed file>\n"
	               "    REQUIRED\n"
	               "    Currently accepts formats specified above (see OutFor option)\n"
	               "    Binary data is written to the file (not ascii). If a PGX\n"
	               "    filename is given, there will be as many output files as there are\n"
	               "    components: an indice starting from 0 will then be appended to the\n"
	               "    output filename, just before the \"pgx\" extension. If a PGM filename\n"
	               "    is given and there are more than one component, only the first component\n"
	               "    will be written to the file.\n");
	fprintf(stdout,"  -r <reduce factor>\n"
	               "    Set the number of highest resolution levels to be discarded. The\n"
	               "    image resolution is effectively divided by 2 to the power of the\n"
	               "    number of discarded levels. The reduce factor is limited by the\n"
	               "    smallest total number of decomposition levels among tiles.\n"
	               "  -l <number of quality layers to decode>\n"
	               "    Set the maximum number of quality layers to decode. If there are\n"
	               "    less quality layers than the specified number, all the quality layers\n"
	               "    are decoded.\n");
	fprintf(stdout,"  -x  \n"
	               "    Create an index file *.Idx (-x index_name.Idx) \n"
	               "  -d <x0,y0,x1,y1>\n"
	               "    OPTIONAL\n"
	               "    Decoding area\n"
	               "    By default all the image is decoded.\n"
	               "  -t <tile_number>\n"
	               "    OPTIONAL\n"
	               "    Set the tile number of the decoded tile. Follow the JPEG2000 convention from left-up to bottom-up\n"
	               "    By default all tiles are decoded.\n");
	fprintf(stdout,"  -p <comp 0 precision>[C|S][,<comp 1 precision>[C|S][,...]]\n"
	               "    OPTIONAL\n"
	               "    Force the precision (bit depth) of components.\n");
	fprintf(stdout,"    There shall be at least 1 value. Theres no limit on the number of values (comma separated, last values ignored if too much values).\n"
	               "    If there are less values than components, the last value is used for remaining components.\n"
	               "    If 'C' is specified (default), values are clipped.\n"
	               "    If 'S' is specified, values are scaled.\n"
	               "    A 0 value can be specified (meaning original bit depth).\n");
	fprintf(stdout,"  -force-rgb\n"
	               "    Force output image colorspace to RGB\n"
	               "  -upsample\n"
	               "    Downsampled components will be upsampled to image size\n"
	               "  -split-pnm\n"
	               "    Split output components to different files when writing to PNM\n"
	               "\n");
/* UniPG>> */
#ifdef USE_JPWL
	fprintf(stdout,"  -W <options>\n"
	               "    Activates the JPWL correction capability, if the codestream complies.\n"
	               "    Options can be a comma separated list of <param=val> tokens:\n"
	               "    c, c=numcomps\n"
	               "       numcomps is the number of expected components in the codestream\n"
	               "       (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
#endif /* USE_JPWL */
/* <<UniPG */
	fprintf(stdout,"\n");
}

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

static OPJ_BOOL parse_precision(const char* option, opj_decompress_parameters* parameters)
{
	const char* l_remaining = option;
	OPJ_BOOL l_result = OPJ_TRUE;
	
	/* reset */
	if (parameters->precision) {
		free(parameters->precision);
		parameters->precision = NULL;
	}
	parameters->nb_precision = 0U;
	
	for(;;)
	{
		int prec;
		char mode;
		char comma;
		int count;
		
		count = sscanf(l_remaining, "%d%c%c", &prec, &mode, &comma);
		if (count == 1) {
			mode = 'C';
			count++;
		}
		if ((count == 2) || (mode==',')) {
			if (mode==',') {
				mode = 'C';
			}
			comma=',';
			count = 3;
		}
		if (count == 3) {
			if ((prec < 1) || (prec > 32)) {
				fprintf(stderr,"Invalid precision %d in precision option %s\n", prec, option);
				l_result = OPJ_FALSE;
				break;
			}
			if ((mode != 'C') && (mode != 'S')) {
				fprintf(stderr,"Invalid precision mode %c in precision option %s\n", mode, option);
				l_result = OPJ_FALSE;
				break;
			}
			if (comma != ',') {
				fprintf(stderr,"Invalid character %c in precision option %s\n", comma, option);
				l_result = OPJ_FALSE;
				break;
			}
			
			if (parameters->precision == NULL) {
				/* first one */
				parameters->precision = (opj_precision *)malloc(sizeof(opj_precision));
				if (parameters->precision == NULL) {
					fprintf(stderr,"Could not allocate memory for precision option\n");
					l_result = OPJ_FALSE;
					break;
				}
			} else {
				OPJ_UINT32 l_new_size = parameters->nb_precision + 1U;
				opj_precision* l_new;
				
				if (l_new_size == 0U) {
					fprintf(stderr,"Could not allocate memory for precision option\n");
					l_result = OPJ_FALSE;
					break;
				}
				
				l_new = (opj_precision *)realloc(parameters->precision, l_new_size * sizeof(opj_precision));
				if (l_new == NULL) {
					fprintf(stderr,"Could not allocate memory for precision option\n");
					l_result = OPJ_FALSE;
					break;
				}
				parameters->precision = l_new;
			}
			
			parameters->precision[parameters->nb_precision].prec = (OPJ_UINT32)prec;
			switch (mode) {
				case 'C':
					parameters->precision[parameters->nb_precision].mode = OPJ_PREC_MODE_CLIP;
					break;
				case 'S':
					parameters->precision[parameters->nb_precision].mode = OPJ_PREC_MODE_SCALE;
					break;
				default:
					break;
			}
			parameters->nb_precision++;
			
			l_remaining = strchr(l_remaining, ',');
			if (l_remaining == NULL) {
				break;
			}
			l_remaining += 1;
		} else {
			fprintf(stderr,"Could not parse precision option %s\n", option);
			l_result = OPJ_FALSE;
			break;
		}
	}
	
	return l_result;
}

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

int get_num_images(char *imgdirpath){
	DIR *dir;
	struct dirent* content;	
	int num_images = 0;

	/*Reading the input images from given input directory*/

	dir= opendir(imgdirpath);
	if(!dir){
		fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
		return 0;
	}
	
	while((content=readdir(dir))!=NULL){
		if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
			continue;
		num_images++;
	}
	closedir(dir);
	return num_images;
}

/* -------------------------------------------------------------------------- */
int load_images(dircnt_t *dirptr, char *imgdirpath){
	DIR *dir;
	struct dirent* content;	
	int i = 0;

	/*Reading the input images from given input directory*/

	dir= opendir(imgdirpath);
	if(!dir){
		fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
		return 1;
	}else	{
		fprintf(stderr,"Folder opened successfully\n");
	}
	
	while((content=readdir(dir))!=NULL){
		if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
			continue;

		strcpy(dirptr->filename[i],content->d_name);
		i++;
	}
	closedir(dir);
	return 0;	
}

/* -------------------------------------------------------------------------- */
int get_file_format(const char *filename) {
	unsigned int i;
	static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "rawl", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" };
	static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, RAWL_DFMT, TGA_DFMT, PNG_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT, J2K_CFMT };
	const char * ext = strrchr(filename, '.');
	if (ext == NULL)
		return -1;
	ext++;
	if(*ext) {
		for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
			if(strcasecmp(ext, extension[i]) == 0) {
				return format[i];
			}
		}
	}

	return -1;
}

#ifdef _WIN32
const char* path_separator = "\\";
#else
const char* path_separator = "/";
#endif

/* -------------------------------------------------------------------------- */
char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_decompress_parameters *parameters){
	char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
	char *temp_p, temp1[OPJ_PATH_LEN]="";

	strcpy(image_filename,dirptr->filename[imageno]);
	fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
	sprintf(infilename, "%s%s%s", img_fol->imgdirpath, path_separator, image_filename);
	parameters->decod_format = infile_format(infilename);
	if (parameters->decod_format == -1)
		return 1;
	if (opj_strcpy_s(parameters->infile, sizeof(parameters->infile), infilename) != 0) {
		return 1;
	}

	/*Set output file*/
	strcpy(temp_ofname,strtok(image_filename,"."));
	while((temp_p = strtok(NULL,".")) != NULL){
		strcat(temp_ofname,temp1);
		sprintf(temp1,".%s",temp_p);
	}
	if(img_fol->set_out_format==1){
		sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
		if (opj_strcpy_s(parameters->outfile, sizeof(parameters->outfile), outfilename) != 0) {
			return 1;
		}
	}
	return 0;
}

/* -------------------------------------------------------------------------- */
#define JP2_RFC3745_MAGIC "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"
#define JP2_MAGIC "\x0d\x0a\x87\x0a"
/* position 45: "\xff\x52" */
#define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51"

static int infile_format(const char *fname)
{
	FILE *reader;
	const char *s, *magic_s;
	int ext_format, magic_format;
	unsigned char buf[12];
	OPJ_SIZE_T l_nb_read;

	reader = fopen(fname, "rb");

	if (reader == NULL)
		return -2;

	memset(buf, 0, 12);
	l_nb_read = fread(buf, 1, 12, reader);
	fclose(reader);
	if (l_nb_read != 12)
		return -1;



	ext_format = get_file_format(fname);

	if (ext_format == JPT_CFMT)
		return JPT_CFMT;

	if (memcmp(buf, JP2_RFC3745_MAGIC, 12) == 0 || memcmp(buf, JP2_MAGIC, 4) == 0) {
		magic_format = JP2_CFMT;
		magic_s = ".jp2";
	}
	else if (memcmp(buf, J2K_CODESTREAM_MAGIC, 4) == 0) {
		magic_format = J2K_CFMT;
		magic_s = ".j2k or .jpc or .j2c";
	}
	else
		return -1;

	if (magic_format == ext_format)
		return ext_format;

	s = fname + strlen(fname) - 4;

	fputs("\n===========================================\n", stderr);
	fprintf(stderr, "The extension of this file is incorrect.\n"
					"FOUND %s. SHOULD BE %s\n", s, magic_s);
	fputs("===========================================\n", stderr);

	return magic_format;
}

/* -------------------------------------------------------------------------- */
/**
 * Parse the command line
 */
/* -------------------------------------------------------------------------- */
int parse_cmdline_decoder(int argc, char **argv, opj_decompress_parameters *parameters,img_fol_t *img_fol) {
	/* parse the command line */
	int totlen, c;
	opj_option_t long_option[]={
		{"ImgDir",    REQ_ARG, NULL,'y'},
		{"OutFor",    REQ_ARG, NULL,'O'},
		{"force-rgb", NO_ARG,  NULL, 1},
		{"upsample",  NO_ARG,  NULL, 1},
		{"split-pnm", NO_ARG,  NULL, 1}
	};

	const char optlist[] = "i:o:r:l:x:d:t:p:"

/* UniPG>> */
#ifdef USE_JPWL
					"W:"
#endif /* USE_JPWL */
/* <<UniPG */
            "h"		;

	long_option[2].flag = &(parameters->force_rgb);
	long_option[3].flag = &(parameters->upsample);
	long_option[4].flag = &(parameters->split_pnm);
	totlen=sizeof(long_option);
	opj_reset_options_reading();
	img_fol->set_out_format = 0;
	do {
		c = opj_getopt_long(argc, argv,optlist,long_option,totlen);
		if (c == -1)
			break;
		switch (c) {
			case 0: /* long opt with flag */
				break;
			case 'i':			/* input file */
			{
				char *infile = opj_optarg;
				parameters->decod_format = infile_format(infile);
				switch(parameters->decod_format) {
					case J2K_CFMT:
						break;
					case JP2_CFMT:
						break;
					case JPT_CFMT:
						break;
                                        case -2:
						fprintf(stderr, 
							"!! infile cannot be read: %s !!\n\n", 
							infile);
						return 1;
					default:
						fprintf(stderr, 
                            "[ERROR] Unknown input file format: %s \n"
                            "        Known file formats are *.j2k, *.jp2, *.jpc or *.jpt\n",
							infile);
						return 1;
				}
				if (opj_strcpy_s(parameters->infile, sizeof(parameters->infile), infile) != 0) {
					fprintf(stderr, "[ERROR] Path is too long\n");
					return 1;
				}
			}
			break;
				
				/* ----------------------------------------------------- */

			case 'o':			/* output file */
			{
				char *outfile = opj_optarg;
				parameters->cod_format = get_file_format(outfile);
				switch(parameters->cod_format) {
					case PGX_DFMT:
						break;
					case PXM_DFMT:
						break;
					case BMP_DFMT:
						break;
					case TIF_DFMT:
						break;
					case RAW_DFMT:
						break;
					case RAWL_DFMT:
						break;
					case TGA_DFMT:
						break;
					case PNG_DFMT:
						break;
					default:
						fprintf(stderr, "Unknown output format image %s [only *.png, *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!!\n", outfile);
						return 1;
				}
				if (opj_strcpy_s(parameters->outfile, sizeof(parameters->outfile), outfile) != 0) {
					fprintf(stderr, "[ERROR] Path is too long\n");
					return 1;
				}
			}
			break;
			
				/* ----------------------------------------------------- */

			case 'O':			/* output format */
			{
				char outformat[50];
				char *of = opj_optarg;
				sprintf(outformat,".%s",of);
				img_fol->set_out_format = 1;
				parameters->cod_format = get_file_format(outformat);
				switch(parameters->cod_format) {
					case PGX_DFMT:
						img_fol->out_format = "pgx";
						break;
					case PXM_DFMT:
						img_fol->out_format = "ppm";
						break;
					case BMP_DFMT:
						img_fol->out_format = "bmp";
						break;
					case TIF_DFMT:
						img_fol->out_format = "tif";
						break;
					case RAW_DFMT:
						img_fol->out_format = "raw";
						break;
					case RAWL_DFMT:
						img_fol->out_format = "rawl";
						break;
					case TGA_DFMT:
						img_fol->out_format = "raw";
						break;
					case PNG_DFMT:
						img_fol->out_format = "png";
						break;
					default:
						fprintf(stderr, "Unknown output format image %s [only *.png, *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!!\n", outformat);
						return 1;
						break;
				}
			}
			break;

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


			case 'r':		/* reduce option */
			{
				sscanf(opj_optarg, "%u", &(parameters->core.cp_reduce));
			}
			break;
			
				/* ----------------------------------------------------- */
      

			case 'l':		/* layering option */
			{
				sscanf(opj_optarg, "%u", &(parameters->core.cp_layer));
			}
			break;
			
				/* ----------------------------------------------------- */

			case 'h': 			/* display an help description */
				decode_help_display();
				return 1;				

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

			case 'y':			/* Image Directory path */
                {
					img_fol->imgdirpath = (char*)malloc(strlen(opj_optarg) + 1);
					if(img_fol->imgdirpath == NULL){
						return 1;
					}
					strcpy(img_fol->imgdirpath,opj_optarg);
					img_fol->set_imgdir=1;
				}
				break;

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

			case 'd':     		/* Input decode ROI */
			{
				size_t size_optarg = (size_t)strlen(opj_optarg) + 1U;
				char *ROI_values = (char*) malloc(size_optarg);
				if (ROI_values == NULL) {
					fprintf(stderr, "[ERROR] Couldn't allocate memory\n");
					return 1;
				}
				ROI_values[0] = '\0';
				memcpy(ROI_values, opj_optarg, size_optarg);
				/*printf("ROI_values = %s [%d / %d]\n", ROI_values, strlen(ROI_values), size_optarg ); */
				parse_DA_values( ROI_values, &parameters->DA_x0, &parameters->DA_y0, &parameters->DA_x1, &parameters->DA_y1);

				free(ROI_values);
			}
			break;

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

			case 't':     		/* Input tile index */
			{
				sscanf(opj_optarg, "%u", &parameters->tile_index);
				parameters->nb_tile_to_decode = 1;
			}
			break;

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

			case 'x':			/* Creation of index file */
				{
					if (opj_strcpy_s(parameters->indexfilename, sizeof(parameters->indexfilename), opj_optarg) != 0) {
						fprintf(stderr, "[ERROR] Path is too long\n");
						return 1;
					}
				}
				break;
				
				/* ----------------------------------------------------- */
			case 'p': /* Force precision */
				{
					if (!parse_precision(opj_optarg, parameters))
					{
						return 1;
					}
				}
				break;
				/* ----------------------------------------------------- */
				
				/* UniPG>> */
#ifdef USE_JPWL
			
			case 'W': 			/* activate JPWL correction */
			{
				char *token = NULL;

				token = strtok(opj_optarg, ",");
				while(token != NULL) {

					/* search expected number of components */
					if (*token == 'c') {

						static int compno;

						compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */

						if(sscanf(token, "c=%d", &compno) == 1) {
							/* Specified */
							if ((compno < 1) || (compno > 256)) {
								fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
								return 1;
							}
							parameters->jpwl_exp_comps = compno;

						} else if (!strcmp(token, "c")) {
							/* default */
							parameters->jpwl_exp_comps = compno; /* auto for default size */

						} else {
							fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
							return 1;
						};
					}

					/* search maximum number of tiles */
					if (*token == 't') {

						static int tileno;

						tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */

						if(sscanf(token, "t=%d", &tileno) == 1) {
							/* Specified */
							if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
								fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
								return 1;
							}
							parameters->jpwl_max_tiles = tileno;

						} else if (!strcmp(token, "t")) {
							/* default */
							parameters->jpwl_max_tiles = tileno; /* auto for default size */

						} else {
							fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
							return 1;
						};
					}

					/* next token or bust */
					token = strtok(NULL, ",");
				};
				parameters->jpwl_correct = OPJ_TRUE;
				fprintf(stdout, "JPWL correction capability activated\n");
				fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
			}
			break;	
#endif /* USE_JPWL */
/* <<UniPG */            

				/* ----------------------------------------------------- */
			
        default:
            fprintf(stderr, "[WARNING] An invalid option has been ignored.\n");
            break;
		}
	}while(c != -1);

	/* check for possible errors */
	if(img_fol->set_imgdir==1){
		if(!(parameters->infile[0]==0)){
            fprintf(stderr, "[ERROR] options -ImgDir and -i cannot be used together.\n");
			return 1;
		}
		if(img_fol->set_out_format == 0){
            fprintf(stderr, "[ERROR] When -ImgDir is used, -OutFor <FORMAT> must be used.\n");
            fprintf(stderr, "Only one format allowed.\n"
                            "Valid format are PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA.\n");
			return 1;
		}
		if(!((parameters->outfile[0] == 0))){
            fprintf(stderr, "[ERROR] options -ImgDir and -o cannot be used together.\n");
			return 1;
		}
	}else{
		if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
            fprintf(stderr, "[ERROR] Required parameters are missing\n"
                            "Example: %s -i image.j2k -o image.pgm\n",argv[0]);
            fprintf(stderr, "   Help: %s -h\n",argv[0]);
			return 1;
		}
	}

	return 0;
}

/* -------------------------------------------------------------------------- */
/**
 * Parse decoding area input values
 * separator = ","
 */
/* -------------------------------------------------------------------------- */
int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1)
{
	int it = 0;
	int values[4];
	char delims[] = ",";
	char *result = NULL;
	result = strtok( inArg, delims );

	while( (result != NULL) && (it < 4 ) ) {
		values[it] = atoi(result);
		result = strtok( NULL, delims );
		it++;
	}

	if (it != 4) {
		return EXIT_FAILURE;
	}
	else{
		*DA_x0 = (OPJ_UINT32)values[0]; *DA_y0 = (OPJ_UINT32)values[1];
		*DA_x1 = (OPJ_UINT32)values[2]; *DA_y1 = (OPJ_UINT32)values[3];
		return EXIT_SUCCESS;
	}
}

OPJ_FLOAT64 opj_clock(void) {
#ifdef _WIN32
	/* _WIN32: use QueryPerformance (very accurate) */
    LARGE_INTEGER freq , t ;
    /* freq is the clock speed of the CPU */
    QueryPerformanceFrequency(&freq) ;
	/* cout << "freq = " << ((double) freq.QuadPart) << endl; */
    /* t is the high resolution performance counter (see MSDN) */
    QueryPerformanceCounter ( & t ) ;
	return freq.QuadPart ? (t.QuadPart / (OPJ_FLOAT64)freq.QuadPart) : 0;
#else
	/* Unix or Linux: use resource usage */
    struct rusage t;
    OPJ_FLOAT64 procTime;
    /* (1) Get the rusage data structure at this moment (man getrusage) */
    getrusage(0,&t);
    /* (2) What is the elapsed time ? - CPU time = User time + System time */
	/* (2a) Get the seconds */
    procTime = (OPJ_FLOAT64)(t.ru_utime.tv_sec + t.ru_stime.tv_sec);
    /* (2b) More precisely! Get the microseconds part ! */
    return ( procTime + (OPJ_FLOAT64)(t.ru_utime.tv_usec + t.ru_stime.tv_usec) * 1e-6 ) ;
#endif
}

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

/**
sample error callback expecting a FILE* client object
*/
static void error_callback(const char *msg, void *client_data) {
	(void)client_data;
	fprintf(stdout, "[ERROR] %s", msg);
}
/**
sample warning callback expecting a FILE* client object
*/
static void warning_callback(const char *msg, void *client_data) {
	(void)client_data;
	fprintf(stdout, "[WARNING] %s", msg);
}
/**
sample debug callback expecting no client object
*/
static void info_callback(const char *msg, void *client_data) {
	(void)client_data;
	fprintf(stdout, "[INFO] %s", msg);
}

static void set_default_parameters(opj_decompress_parameters* parameters)
{
	if (parameters) {
		memset(parameters, 0, sizeof(opj_decompress_parameters));
		
		/* default decoding parameters (command line specific) */
		parameters->decod_format = -1;
		parameters->cod_format = -1;
		
		/* default decoding parameters (core) */
		opj_set_default_decoder_parameters(&(parameters->core));
	}
}

static void destroy_parameters(opj_decompress_parameters* parameters)
{
	if (parameters) {
		if (parameters->precision) {
			free(parameters->precision);
			parameters->precision = NULL;
		}
	}
}

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

static opj_image_t* convert_gray_to_rgb(opj_image_t* original)
{
	OPJ_UINT32 compno;
	opj_image_t* l_new_image = NULL;
	opj_image_cmptparm_t* l_new_components = NULL;
	
	l_new_components = (opj_image_cmptparm_t*)malloc((original->numcomps + 2U) * sizeof(opj_image_cmptparm_t));
	if (l_new_components == NULL) {
		fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for RGB image!\n");
		opj_image_destroy(original);
		return NULL;
	}
	
	l_new_components[0].bpp  = l_new_components[1].bpp  = l_new_components[2].bpp  = original->comps[0].bpp;
	l_new_components[0].dx   = l_new_components[1].dx   = l_new_components[2].dx   = original->comps[0].dx;
	l_new_components[0].dy   = l_new_components[1].dy   = l_new_components[2].dy   = original->comps[0].dy;
	l_new_components[0].h    = l_new_components[1].h    = l_new_components[2].h    = original->comps[0].h;
	l_new_components[0].w    = l_new_components[1].w    = l_new_components[2].w    = original->comps[0].w;
	l_new_components[0].prec = l_new_components[1].prec = l_new_components[2].prec = original->comps[0].prec;
	l_new_components[0].sgnd = l_new_components[1].sgnd = l_new_components[2].sgnd = original->comps[0].sgnd;
	l_new_components[0].x0   = l_new_components[1].x0   = l_new_components[2].x0   = original->comps[0].x0;
	l_new_components[0].y0   = l_new_components[1].y0   = l_new_components[2].y0   = original->comps[0].y0;
	
	for(compno = 1U; compno < original->numcomps; ++compno) {
		l_new_components[compno+2U].bpp  = original->comps[compno].bpp;
		l_new_components[compno+2U].dx   = original->comps[compno].dx;
		l_new_components[compno+2U].dy   = original->comps[compno].dy;
		l_new_components[compno+2U].h    = original->comps[compno].h;
		l_new_components[compno+2U].w    = original->comps[compno].w;
		l_new_components[compno+2U].prec = original->comps[compno].prec;
		l_new_components[compno+2U].sgnd = original->comps[compno].sgnd;
		l_new_components[compno+2U].x0   = original->comps[compno].x0;
		l_new_components[compno+2U].y0   = original->comps[compno].y0;
	}
	
	l_new_image = opj_image_create(original->numcomps + 2U, l_new_components, OPJ_CLRSPC_SRGB);
	free(l_new_components);
	if (l_new_image == NULL) {
		fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for RGB image!\n");
		opj_image_destroy(original);
		return NULL;
	}
	
	l_new_image->x0 = original->x0;
	l_new_image->x1 = original->x1;
	l_new_image->y0 = original->y0;
	l_new_image->y1 = original->y1;
	
	l_new_image->comps[0].factor        = l_new_image->comps[1].factor        = l_new_image->comps[2].factor        = original->comps[0].factor;
	l_new_image->comps[0].alpha         = l_new_image->comps[1].alpha         = l_new_image->comps[2].alpha         = original->comps[0].alpha;
	l_new_image->comps[0].resno_decoded = l_new_image->comps[1].resno_decoded = l_new_image->comps[2].resno_decoded = original->comps[0].resno_decoded;
	
	memcpy(l_new_image->comps[0].data, original->comps[0].data, original->comps[0].w * original->comps[0].h * sizeof(OPJ_INT32));
	memcpy(l_new_image->comps[1].data, original->comps[0].data, original->comps[0].w * original->comps[0].h * sizeof(OPJ_INT32));
	memcpy(l_new_image->comps[2].data, original->comps[0].data, original->comps[0].w * original->comps[0].h * sizeof(OPJ_INT32));
	
	for(compno = 1U; compno < original->numcomps; ++compno) {
		l_new_image->comps[compno+2U].factor        = original->comps[compno].factor;
		l_new_image->comps[compno+2U].alpha         = original->comps[compno].alpha;
		l_new_image->comps[compno+2U].resno_decoded = original->comps[compno].resno_decoded;
		memcpy(l_new_image->comps[compno+2U].data, original->comps[compno].data, original->comps[compno].w * original->comps[compno].h * sizeof(OPJ_INT32));
	}
	opj_image_destroy(original);
	return l_new_image;
}

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

static opj_image_t* upsample_image_components(opj_image_t* original)
{
	opj_image_t* l_new_image = NULL;
	opj_image_cmptparm_t* l_new_components = NULL;
	OPJ_BOOL l_upsample_need = OPJ_FALSE;
	OPJ_UINT32 compno;

	for (compno = 0U; compno < original->numcomps; ++compno) {
		if (original->comps[compno].factor > 0U) {
			fprintf(stderr, "ERROR -> opj_decompress: -upsample not supported with reduction\n");
			opj_image_destroy(original);
			return NULL;
		}
		if ((original->comps[compno].dx > 1U) || (original->comps[compno].dy > 1U)) {
			l_upsample_need = OPJ_TRUE;
			break;
		}
	}
	if (!l_upsample_need) {
		return original;
	}
	/* Upsample is needed */
	l_new_components = (opj_image_cmptparm_t*)malloc(original->numcomps * sizeof(opj_image_cmptparm_t));
	if (l_new_components == NULL) {
		fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for upsampled components!\n");
		opj_image_destroy(original);
		return NULL;
	}
	
	for (compno = 0U; compno < original->numcomps; ++compno) {
		opj_image_cmptparm_t* l_new_cmp = &(l_new_components[compno]);
		opj_image_comp_t*     l_org_cmp = &(original->comps[compno]);
		
		l_new_cmp->bpp  = l_org_cmp->bpp;
		l_new_cmp->prec = l_org_cmp->prec;
		l_new_cmp->sgnd = l_org_cmp->sgnd;
		l_new_cmp->x0   = original->x0;
		l_new_cmp->y0   = original->y0;
		l_new_cmp->dx   = 1;
		l_new_cmp->dy   = 1;
		l_new_cmp->w    = l_org_cmp->w; /* should be original->x1 - original->x0 for dx==1 */
		l_new_cmp->h    = l_org_cmp->h; /* should be original->y1 - original->y0 for dy==0 */
		
		if (l_org_cmp->dx > 1U) {
			l_new_cmp->w = original->x1 - original->x0;
		}
		
		if (l_org_cmp->dy > 1U) {
			l_new_cmp->h = original->y1 - original->y0;
		}
	}
	
	l_new_image = opj_image_create(original->numcomps, l_new_components, original->color_space);
	free(l_new_components);
	if (l_new_image == NULL) {
		fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for upsampled components!\n");
		opj_image_destroy(original);
		return NULL;
	}
	
	l_new_image->x0 = original->x0;
	l_new_image->x1 = original->x1;
	l_new_image->y0 = original->y0;
	l_new_image->y1 = original->y1;
	
	for (compno = 0U; compno < original->numcomps; ++compno) {
		opj_image_comp_t* l_new_cmp = &(l_new_image->comps[compno]);
		opj_image_comp_t* l_org_cmp = &(original->comps[compno]);
		
		l_new_cmp->factor        = l_org_cmp->factor;
		l_new_cmp->alpha         = l_org_cmp->alpha;
		l_new_cmp->resno_decoded = l_org_cmp->resno_decoded;
		
		if ((l_org_cmp->dx > 1U) || (l_org_cmp->dy > 1U)) {
			const OPJ_INT32* l_src = l_org_cmp->data;
			OPJ_INT32*       l_dst = l_new_cmp->data;
			OPJ_UINT32 y;
			OPJ_UINT32 xoff, yoff;
			
			/* need to take into account dx & dy */
			xoff = l_org_cmp->dx * l_org_cmp->x0 -  original->x0;
			yoff = l_org_cmp->dy * l_org_cmp->y0 -  original->y0;
			if ((xoff >= l_org_cmp->dx) || (yoff >= l_org_cmp->dy)) {
				fprintf(stderr, "ERROR -> opj_decompress: Invalid image/component parameters found when upsampling\n");
				opj_image_destroy(original);
				opj_image_destroy(l_new_image);
				return NULL;
			}
			
			for (y = 0U; y < yoff; ++y) {
				memset(l_dst, 0U, l_new_cmp->w * sizeof(OPJ_INT32));
				l_dst += l_new_cmp->w;
			}
			
			if(l_new_cmp->h > (l_org_cmp->dy - 1U)) { /* check subtraction overflow for really small images */
				for (; y < l_new_cmp->h - (l_org_cmp->dy - 1U); y += l_org_cmp->dy) {
					OPJ_UINT32 x, dy;
					OPJ_UINT32 xorg;
					
					xorg = 0U;
					for (x = 0U; x < xoff; ++x) {
						l_dst[x] = 0;
					}
					if (l_new_cmp->w > (l_org_cmp->dx - 1U)) { /* check subtraction overflow for really small images */
						for (; x < l_new_cmp->w - (l_org_cmp->dx - 1U); x += l_org_cmp->dx, ++xorg) {
							OPJ_UINT32 dx;
							for (dx = 0U; dx < l_org_cmp->dx; ++dx) {
								l_dst[x + dx] = l_src[xorg];
							}
						}
					}
					for (; x < l_new_cmp->w; ++x) {
						l_dst[x] = l_src[xorg];
					}
					l_dst += l_new_cmp->w;
						
					for (dy = 1U; dy < l_org_cmp->dy; ++dy) {
						memcpy(l_dst, l_dst - l_new_cmp->w, l_new_cmp->w * sizeof(OPJ_INT32));
						l_dst += l_new_cmp->w;
					}
					l_src += l_org_cmp->w;
				}
			}
			if (y < l_new_cmp->h) {
				OPJ_UINT32 x;
				OPJ_UINT32 xorg;
				
				xorg = 0U;
				for (x = 0U; x < xoff; ++x) {
					l_dst[x] = 0;
				}
				if (l_new_cmp->w > (l_org_cmp->dx - 1U)) { /* check subtraction overflow for really small images */
					for (; x < l_new_cmp->w - (l_org_cmp->dx - 1U); x += l_org_cmp->dx, ++xorg) {
						OPJ_UINT32 dx;
						for (dx = 0U; dx < l_org_cmp->dx; ++dx) {
							l_dst[x + dx] = l_src[xorg];
						}
					}
				}
				for (; x < l_new_cmp->w; ++x) {
					l_dst[x] = l_src[xorg];
				}
				l_dst += l_new_cmp->w;
				++y;
				for (; y < l_new_cmp->h; ++y) {
					memcpy(l_dst, l_dst - l_new_cmp->w, l_new_cmp->w * sizeof(OPJ_INT32));
					l_dst += l_new_cmp->w;
				}
			}
		}
		else {
			memcpy(l_new_cmp->data, l_org_cmp->data, l_org_cmp->w * l_org_cmp->h * sizeof(OPJ_INT32));
		}
	}
	opj_image_destroy(original);
	return l_new_image;
}

/* -------------------------------------------------------------------------- */
/**
 * OPJ_DECOMPRESS MAIN
 */
/* -------------------------------------------------------------------------- */
int main(int argc, char **argv)
{
	opj_decompress_parameters parameters;			/* decompression parameters */
	opj_image_t* image = NULL;
	opj_stream_t *l_stream = NULL;				/* Stream */
	opj_codec_t* l_codec = NULL;				/* Handle to a decompressor */
	opj_codestream_index_t* cstr_index = NULL;

	OPJ_INT32 num_images, imageno;
	img_fol_t img_fol;
	dircnt_t *dirptr = NULL;
  int failed = 0;
  OPJ_FLOAT64 t, tCumulative = 0;
  OPJ_UINT32 numDecompressedImages = 0;

	/* set decoding parameters to default values */
	set_default_parameters(&parameters);

	/* Initialize img_fol */
	memset(&img_fol,0,sizeof(img_fol_t));

	/* parse input and get user encoding parameters */
	if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol) == 1) {
		failed = 1; goto fin;
	}

	/* Initialize reading of directory */
	if(img_fol.set_imgdir==1){	
		int it_image;
		num_images=get_num_images(img_fol.imgdirpath);

		dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
		if(!dirptr){
			destroy_parameters(&parameters);
			return EXIT_FAILURE;
		}
		dirptr->filename_buf = (char*)malloc((size_t)num_images*OPJ_PATH_LEN*sizeof(char));	/* Stores at max 10 image file names*/
		if(!dirptr->filename_buf){
			failed = 1; goto fin;
		}
				
		dirptr->filename = (char**) malloc((size_t)num_images*sizeof(char*));

		if(!dirptr->filename){
			failed = 1; goto fin;
		}
		for(it_image=0;it_image<num_images;it_image++){
			dirptr->filename[it_image] = dirptr->filename_buf + it_image*OPJ_PATH_LEN;
		}
		
		if(load_images(dirptr,img_fol.imgdirpath)==1){
			failed = 1; goto fin;
		}
		if (num_images==0){
			fprintf(stdout,"Folder is empty\n");
			failed = 1; goto fin;
		}
	}else{
		num_images=1;
	}

	/*Decoding image one by one*/
	for(imageno = 0; imageno < num_images ; imageno++)	{

		fprintf(stderr,"\n");

		if(img_fol.set_imgdir==1){
			if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
				fprintf(stderr,"skipping file...\n");
				destroy_parameters(&parameters);
				continue;
			}
		}

		/* read the input file and put it in memory */
		/* ---------------------------------------- */

		l_stream = opj_stream_create_default_file_stream(parameters.infile,1);
		if (!l_stream){
			fprintf(stderr, "ERROR -> failed to create the stream from the file %s\n", parameters.infile);
			failed = 1; goto fin;
		}

		/* decode the JPEG2000 stream */
		/* ---------------------- */

		switch(parameters.decod_format) {
			case J2K_CFMT:	/* JPEG-2000 codestream */
			{
				/* Get a decoder handle */
				l_codec = opj_create_decompress(OPJ_CODEC_J2K);
				break;
			}
			case JP2_CFMT:	/* JPEG 2000 compressed image data */
			{
				/* Get a decoder handle */
				l_codec = opj_create_decompress(OPJ_CODEC_JP2);
				break;
			}
			case JPT_CFMT:	/* JPEG 2000, JPIP */
			{
				/* Get a decoder handle */
				l_codec = opj_create_decompress(OPJ_CODEC_JPT);
				break;
			}
			default:
				fprintf(stderr, "skipping file..\n");
				destroy_parameters(&parameters);
				opj_stream_destroy(l_stream);
				continue;
		}

		/* catch events using our callbacks and give a local context */		
		opj_set_info_handler(l_codec, info_callback,00);
		opj_set_warning_handler(l_codec, warning_callback,00);
		opj_set_error_handler(l_codec, error_callback,00);

		t = opj_clock();

		/* Setup the decoder decoding parameters using user parameters */
		if ( !opj_setup_decoder(l_codec, &(parameters.core)) ){
			fprintf(stderr, "ERROR -> opj_decompress: failed to setup the decoder\n");
			opj_stream_destroy(l_stream);
			opj_destroy_codec(l_codec);
			failed = 1; goto fin;
		}


		/* Read the main header of the codestream and if necessary the JP2 boxes*/
		if(! opj_read_header(l_stream, l_codec, &image)){
			fprintf(stderr, "ERROR -> opj_decompress: failed to read the header\n");
			opj_stream_destroy(l_stream);
			opj_destroy_codec(l_codec);
			opj_image_destroy(image);
			failed = 1; goto fin;
		}

		if (!parameters.nb_tile_to_decode) {
			/* Optional if you want decode the entire image */
			if (!opj_set_decode_area(l_codec, image, (OPJ_INT32)parameters.DA_x0,
					(OPJ_INT32)parameters.DA_y0, (OPJ_INT32)parameters.DA_x1, (OPJ_INT32)parameters.DA_y1)){
				fprintf(stderr,	"ERROR -> opj_decompress: failed to set the decoded area\n");
				opj_stream_destroy(l_stream);
				opj_destroy_codec(l_codec);
				opj_image_destroy(image);
				failed = 1; goto fin;
			}

			/* Get the decoded image */
			if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec,	l_stream))) {
				fprintf(stderr,"ERROR -> opj_decompress: failed to decode image!\n");
				opj_destroy_codec(l_codec);
				opj_stream_destroy(l_stream);
				opj_image_destroy(image);
				failed = 1; goto fin;
			}
		}
		else {

			/* It is just here to illustrate how to use the resolution after set parameters */
			/*if (!opj_set_decoded_resolution_factor(l_codec, 5)) {
				fprintf(stderr, "ERROR -> opj_decompress: failed to set the resolution factor tile!\n");
				opj_destroy_codec(l_codec);
				opj_stream_destroy(l_stream);
				opj_image_destroy(image);
				failed = 1; goto fin;
			}*/

			if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) {
				fprintf(stderr, "ERROR -> opj_decompress: failed to decode tile!\n");
				opj_destroy_codec(l_codec);
				opj_stream_destroy(l_stream);
				opj_image_destroy(image);
				failed = 1; goto fin;
			}
			fprintf(stdout, "tile %d is decoded!\n\n", parameters.tile_index);
		}

		tCumulative += opj_clock() - t;
		numDecompressedImages++;

		/* Close the byte stream */
		opj_stream_destroy(l_stream);

		if( image->color_space != OPJ_CLRSPC_SYCC 
			&& image->numcomps == 3 && image->comps[0].dx == image->comps[0].dy
			&& image->comps[1].dx != 1 )
			image->color_space = OPJ_CLRSPC_SYCC;
		else if (image->numcomps <= 2)
			image->color_space = OPJ_CLRSPC_GRAY;

		if(image->color_space == OPJ_CLRSPC_SYCC){
			color_sycc_to_rgb(image);
		}
		else if((image->color_space == OPJ_CLRSPC_CMYK) && (parameters.cod_format != TIF_DFMT)){
			color_cmyk_to_rgb(image);
		}
		else if(image->color_space == OPJ_CLRSPC_EYCC){
			color_esycc_to_rgb(image);
		}
		
		if(image->icc_profile_buf) {
#if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2)
			if(image->icc_profile_len)
			 color_apply_icc_profile(image);
			else
			 color_cielab_to_rgb(image);
#endif
			free(image->icc_profile_buf);
			image->icc_profile_buf = NULL; image->icc_profile_len = 0;
		}
		
		/* Force output precision */
		/* ---------------------- */
		if (parameters.precision != NULL)
		{
			OPJ_UINT32 compno;
			for (compno = 0; compno < image->numcomps; ++compno)
			{
				OPJ_UINT32 precno = compno;
				OPJ_UINT32 prec;
				
				if (precno >= parameters.nb_precision) {
					precno = parameters.nb_precision - 1U;
				}
				
				prec = parameters.precision[precno].prec;
				if (prec == 0) {
					prec = image->comps[compno].prec;
				}
				
				switch (parameters.precision[precno].mode) {
					case OPJ_PREC_MODE_CLIP:
						clip_component(&(image->comps[compno]), prec);
						break;
					case OPJ_PREC_MODE_SCALE:
						scale_component(&(image->comps[compno]), prec);
						break;
					default:
						break;
				}
				
			}
		}
		
		/* Upsample components */
		/* ------------------- */
		if (parameters.upsample)
		{
			image = upsample_image_components(image);
			if (image == NULL) {
				fprintf(stderr, "ERROR -> opj_decompress: failed to upsample image components!\n");
				opj_destroy_codec(l_codec);
				failed = 1; goto fin;
			}
		}
		
		/* Force RGB output */
		/* ---------------- */
		if (parameters.force_rgb)
		{
			switch (image->color_space) {
				case OPJ_CLRSPC_SRGB:
					break;
				case OPJ_CLRSPC_GRAY:
					image = convert_gray_to_rgb(image);
					break;
				default:
					fprintf(stderr, "ERROR -> opj_decompress: don't know how to convert image to RGB colorspace!\n");
					opj_image_destroy(image);
					image = NULL;
					break;
			}
			if (image == NULL) {
				fprintf(stderr, "ERROR -> opj_decompress: failed to convert to RGB image!\n");
				opj_destroy_codec(l_codec);
				failed = 1; goto fin;
			}
		}

		/* create output image */
		/* ------------------- */
		switch (parameters.cod_format) {
		case PXM_DFMT:			/* PNM PGM PPM */
			if (imagetopnm(image, parameters.outfile, parameters.split_pnm)) {
                fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;

		case PGX_DFMT:			/* PGX */
			if(imagetopgx(image, parameters.outfile)){
                fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;

		case BMP_DFMT:			/* BMP */
			if(imagetobmp(image, parameters.outfile)){
                fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;
#ifdef OPJ_HAVE_LIBTIFF
		case TIF_DFMT:			/* TIFF */
			if(imagetotif(image, parameters.outfile)){
                fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;
#endif /* OPJ_HAVE_LIBTIFF */
		case RAW_DFMT:			/* RAW */
			if(imagetoraw(image, parameters.outfile)){
                fprintf(stderr,"[ERROR] Error generating raw file. Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;

		case RAWL_DFMT:			/* RAWL */
			if(imagetorawl(image, parameters.outfile)){
                fprintf(stderr,"[ERROR] Error generating rawl file. Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;

		case TGA_DFMT:			/* TGA */
			if(imagetotga(image, parameters.outfile)){
                fprintf(stderr,"[ERROR] Error generating tga file. Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;
#ifdef OPJ_HAVE_LIBPNG
		case PNG_DFMT:			/* PNG */
			if(imagetopng(image, parameters.outfile)){
                fprintf(stderr,"[ERROR] Error generating png file. Outfile %s not generated\n",parameters.outfile);
        failed = 1;
			}
			else {
                fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
			}
			break;
#endif /* OPJ_HAVE_LIBPNG */
/* Can happen if output file is TIFF or PNG
 * and OPJ_HAVE_LIBTIF or OPJ_HAVE_LIBPNG is undefined
*/
			default:
                fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
        failed = 1;
		}

		/* free remaining structures */
		if (l_codec) {
			opj_destroy_codec(l_codec);
		}


		/* free image data structure */
		opj_image_destroy(image);

		/* destroy the codestream index */
		opj_destroy_cstr_index(&cstr_index);

		if(failed) (void)remove(parameters.outfile); /* ignore return value */
	}
fin:
	destroy_parameters(&parameters);
	if(failed && img_fol.imgdirpath) free(img_fol.imgdirpath);
	if(dirptr){
		if(dirptr->filename) free(dirptr->filename);
		if(dirptr->filename_buf) free(dirptr->filename_buf);
		free(dirptr);
	}
	if (numDecompressedImages) {
		fprintf(stdout, "decode time: %d ms\n", (int)( (tCumulative * 1000.0) / (OPJ_FLOAT64)numDecompressedImages));
	}
	return failed ? EXIT_FAILURE : EXIT_SUCCESS;
}
/*end main()*/
