path: root/codec/image_to_j2k.c

/*
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2002-2003,  Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
 * 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 <openjpeg.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <unistd.h>
#include <string.h>
#ifndef DONT_HAVE_GETOPT
#include <getopt.h>
#else
#include "compat/getopt.h"
#endif
#include "convert.h"

void help_display()
{
	printf("HELP\n----\n\n");
	printf
		("- the option -help displays the readme.txt file on screen\n\n");


	printf("List of parameters for the coder JPEG 2000 :\n");
	printf("\n");
	printf
		("- The markers COD and QCD are writed both of two in the main_header and never appear in the tile_header.  The markers in the main header are : SOC SIZ COD QCD COM.\n");
	printf("\n");
	printf
		("- This coder can encode mega image, a test was made on a 24000x24000 pixels color image.  You need enough disk space memory (twice the original) to encode the image. (i.e. for a 1.5 Gb image you need a minimum of 3Gb of disk memory)\n");
	printf("\n");
	printf("REMARKS :\n");
	printf("---------\n");
	printf("\n");
	printf
		("* the value of rate enter in the code line is the compression factor !\n");
	printf("exemple :\n");
	printf("\n");
	printf
		("-r 20,10,1 means quality 1 : compress 20x, quality 2 : compress 10x and quality 3 : compress 1x = lossless\n");
	printf("\n");
	printf("By default :\n");
	printf("------------\n");
	printf("\n");
	printf(" * lossless\n");
	printf(" * 1 tile\n");
	printf(" * size of precinct 2^15 x 2^15 (means 1 precinct)\n");
	printf(" * size of code-block 64 x 64\n");
	printf(" * Number of resolution : 6\n");
	printf(" * No SOP marker in the codestream\n");
	printf(" * No EPH marker in the codestream\n");
	printf(" * No sub-sampling in x and y direction\n");
	printf(" * No mode switch activated\n");
	printf(" * progression order : LRCP\n");
	printf(" * No index file\n");
	printf(" * No ROI upshifted\n");
	printf(" * No offset of the origin of the image\n");
	printf(" * No offset of the origin of the tiles\n");
	printf(" * Reversible DWT 5-3\n");
	printf("\n");
	printf("Parameters :\n");
	printf("------------\n");
	printf("\n");
	printf
		("-i             : source file  (-i source.pnm also *.pgm, *.ppm) required\n");
	printf("\n");
	printf
		("-o             : destination file (-o dest.j2k) required\n");
	printf("\n");
	printf
		("-help          : Display the help information optional\n ");
	printf("\n");
	printf
		("-r             : different rates (-r 20,10,5) optional\n ");
	printf("\n");
	printf
		("-n             : Number of resolution (-n 3) optional\n");
	printf("\n");
	printf
		("-b             : size of code block (-b 32,32) optional\n");
	printf("\n");
	printf
		("-c             : size of precinct (-c 128,128) optional\n");
	printf("\n");
	printf
		("-t             : size of tile (-t 512,512) optional\n");
	printf("\n");
	printf
		("-p             : progression order (-p LRCP) [LRCP, RLCP, RPCL, PCRL, CPRL] optional\n");
	printf("\n");
	printf
		("-s             : subsampling factor (-s 2,2) [-s X,Y] optional\n");
	printf("\n");
	printf
		("-SOP           : write SOP marker before each packet optional\n");
	printf("\n");
	printf
		("-EPH           : write EPH marker after each header packet optional\n");
	printf("\n");
	printf
		("-M             : mode switch (-M 3) [1=BYPASS(LAZY) 2=RESET 4=RESTART(TERMALL) 8=VSC 16=ERTERM(SEGTERM) 32=SEGMARK(SEGSYM)] optional\n");
	printf
		("                    for several mode switch you have to add the value of each mode you want\n");
	printf
		("                    ex : RESTART(4) + RESET(2) + SEGMARK(32) = -M 38\n");
	printf("\n");
	printf
		("-x             : Create an index file *.Idx (-x index_name.Idx) optional\n");
	printf("\n");
	printf
		("-ROI:c=%%d,U=%%d : quantization indices upshifted for component c=%%d [\%%d = 0,1,2]\n");
	printf
		("                 with a value of U=%%d [0 <= %%d <= 37] (i.e. -ROI:c=0,U=25) optional\n");
	printf("\n");
	printf
		("-d             : offset of the origin of the image (-d 150,300) optional\n");
	printf("\n");
	printf
		("-T             : offset of the origin of the tiles (-T 100,75) optional\n");
	printf("\n");
	printf
		("-I             : Use the irreversible DWT 9-7 (-I) optional\n");
	printf("\n");
	printf("IMPORTANT :\n");
	printf("-----------\n");
	printf("\n");
	printf("* subsampling bigger than 2 can produce error\n");
	printf("\n");
	printf
		("The index file respect the structure below :\n");
	printf
		("---------------------------------------------\n");
	printf("\n");
	printf("Image_height Image_width\n");
	printf("progression order\n");
	printf("Tiles_size_X Tiles_size_Y\n");
	printf("Components_nb\n");
	printf("Layers_nb\n");
	printf("decomposition_levels\n");
	printf("Precincts_size_X Precincts_size_Y\n");
	printf("Main_header_end_position\n");
	printf("Codestream_size\n");
	printf("Tile0 start_pos end_Theader end_pos\n");
	printf("Tile1  ''           ''        ''\n");
	printf("...\n");
	printf("TileN  ''           ''        ''\n");
	printf("Tpacket_0 Tile layer res. comp. prec. start_pos end_pos\n");
	printf("...\n");
	printf("Tpacket_M  ''    ''   ''   ''    ''       ''       ''\n");
}

int give_progression(char progression[4])
{
	if (progression[0] == 'L' && progression[1] == 'R'
			&& progression[2] == 'C' && progression[3] == 'P') {
		return 0;
	} else {
		if (progression[0] == 'R' && progression[1] == 'L'
				&& progression[2] == 'C' && progression[3] == 'P') {
			return 1;
		} else {
			if (progression[0] == 'R' && progression[1] == 'P'
					&& progression[2] == 'C' && progression[3] == 'L') {
				return 2;
			} else {
				if (progression[0] == 'P' && progression[1] == 'C'
						&& progression[2] == 'R' && progression[3] == 'L') {
					return 3;
				} else {
					if (progression[0] == 'C' && progression[1] == 'P'
							&& progression[2] == 'R' && progression[3] == 'L') {
						return 4;
					} else {
						return -1;
					}
				}
			}
		}
	}
}

double dwt_norms_97[4][10] = {
	{1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
	{2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
	{2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
	{2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
};

int floorlog2(int a)
{
	int l;
	for (l = 0; a > 1; l++) {
		a >>= 1;
	}
	return l;
}

void encode_stepsize(int stepsize, int numbps, int *expn, int *mant)
{
	int p, n;
	p = floorlog2(stepsize) - 13;
	n = 11 - floorlog2(stepsize);
	*mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
	*expn = numbps - p;
}

void calc_explicit_stepsizes(j2k_tccp_t * tccp, int prec)
{
	int numbands, bandno;
	numbands = 3 * tccp->numresolutions - 2;
	for (bandno = 0; bandno < numbands; bandno++) {
		double stepsize;

		int resno, level, orient, gain;
		resno = bandno == 0 ? 0 : (bandno - 1) / 3 + 1;
		orient = bandno == 0 ? 0 : (bandno - 1) % 3 + 1;
		level = tccp->numresolutions - 1 - resno;
		gain =
			tccp->qmfbid == 0 ? 0 : (orient ==
															 0 ? 0 : (orient == 1
																				|| orient == 2 ? 1 : 2));
		if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
			stepsize = 1.0;
		} else {
			double norm = dwt_norms_97[orient][level];
			stepsize = (1 << (gain + 1)) / norm;
		}
		encode_stepsize((int) floor(stepsize * 8192.0), prec + gain,
										&tccp->stepsizes[bandno].expn,
										&tccp->stepsizes[bandno].mant);
	}
}

int main(int argc, char **argv)
{
	int len;
	int NumResolution, numD_min;	/* NumResolution : number of resolution */
	int Tile_arg;									/* Tile_arg = 0 (pas en argument ou = 1 (entre en argument) */
	int CSty;											/* CSty : coding style */
	int Prog_order;								/* progression order (default LRCP) */
	char progression[4];
	int numpocs, numpocs_tile;		/* Number of progression order change (POC) default 0 */
	int prcw_init, prch_init;			/* Initialisation precincts' size */
	int cblockw_init, cblockh_init;	/* Initialisation codeblocks' size */
	int mode, value;							/* mode switch (cblk_style) */
	int subsampling_dx, subsampling_dy;	/* subsampling value for dx and dy          */
	int ROI_compno, ROI_shift;		/* region of interrest */
	int Dim[2];										/* portion of the image coded */
	int TX0, TY0;									/* tile off-set */
	j2k_image_t img;
	j2k_cp_t cp, cp_init;					/* cp_init is used to initialise in multiple tiles  */
	j2k_tcp_t *tcp, *tcp_init;		/* tcp_init is used to initialise in multiple tile */
	j2k_poc_t POC[32];						/* POC : used in case of Progression order change */
	j2k_poc_t *tcp_poc;
	j2k_tccp_t *tccp;
	int i, tileno, j;
	char *infile = 0;
	char *outfile = 0;
	char *index = 0;
	char *s, S1, S2, S3;
	int ir = 0;

	/* default value */
	/* ------------- */
	NumResolution = 6;
	CSty = 0;
	cblockw_init = 64;
	cblockh_init = 64;
	cp.tw = 1;
	cp.th = 1;
	img.index_on = 0;
	Prog_order = 0;
	numpocs = 0;
	mode = 0;
	subsampling_dx = 1;
	subsampling_dy = 1;
	ROI_compno = -1;							/* no ROI */
	ROI_shift = 0;
	Dim[0] = 0;
	Dim[1] = 0;
	TX0 = 0;
	TY0 = 0;
	cp.comment = NULL;
	cp.disto_alloc = 0;
	cp.fixed_alloc = 0;
	/* img.PPT=0; */

	Tile_arg = 0;
	cp_init.tcps = (j2k_tcp_t *) malloc(sizeof(j2k_tcp_t));	/* initialisation if only one tile */
	tcp_init = &cp_init.tcps[0];
	tcp_init->numlayers = 0;

	while (1) {
		int c =
			getopt(argc, argv, "i:o:r:q:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");
		if (c == -1)
			break;
		switch (c) {
		case 'i':									/* IN fill */
			infile = optarg;
			s = optarg;
			while (*s && *s != '.') {
				s++;
			}
			s++;
			S1 = *s;
			s++;
			S2 = *s;
			s++;
			S3 = *s;

			if ((S1 == 'p' && S2 == 'g' && S3 == 'x')
					|| (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
				cp.image_type = 0;
				break;
			}

			if ((S1 == 'p' && S2 == 'n' && S3 == 'm')
					|| (S1 == 'P' && S2 == 'N' && S3 == 'M') || (S1 == 'p'
																											 && S2 == 'g'
																											 && S3 == 'm')
					|| (S1 == 'P' && S2 == 'G' && S3 == 'M') || (S1 == 'P'
																											 && S2 == 'P'
																											 && S3 == 'M')
					|| (S1 == 'p' && S2 == 'p' && S3 == 'm')) {
				cp.image_type = 1;
				break;
			}

			if ((S1 == 'b' && S2 == 'm' && S3 == 'p')
					|| (S1 == 'B' && S2 == 'M' && S3 == 'P')) {
				cp.image_type = 2;
				break;
			}
			fprintf(stderr,
							"!! Unrecognized format for infile [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n");
			return 1;
			break;
			/* ----------------------------------------------------- */
		case 'o':									/* OUT fill */
			outfile = optarg;
			break;
			/* ----------------------------------------------------- */
		case 'r':									/* rates */
			s = optarg;
			while (sscanf(s, "%d", &tcp_init->rates[tcp_init->numlayers]) == 1) {
				tcp_init->numlayers++;
				while (*s && *s != ',') {
					s++;
				}
				if (!*s)
					break;
				s++;
			}
			cp.disto_alloc = 1;
			break;
			/* ----------------------------------------------------- */
		case 'q':									/* rates */
			s = optarg;
			sscanf(s, "%d", &tcp_init->numlayers);
			for (i = 0; i < tcp_init->numlayers; i++) {
				tcp_init->rates[i] = 1;
			}
			cp.fixed_alloc = 1;
			break;
			/* ----------------------------------------------------- */
		case 't':									/* tiles */
			sscanf(optarg, "%d,%d", &cp.tdx, &cp.tdy);
			Tile_arg = 1;
			break;
			/* ----------------------------------------------------- */
		case 'n':									/* resolution */
			sscanf(optarg, "%d", &NumResolution);
			break;
			/* ----------------------------------------------------- */
		case 'c':									/* precinct dimension */
			sscanf(optarg, "%d,%d", &prcw_init, &prch_init);
			CSty |= 0x01;
			break;
			/* ----------------------------------------------------- */
		case 'b':									/* code-block dimension */
			sscanf(optarg, "%d,%d", &cblockw_init, &cblockh_init);
			if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024
					|| cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {
				fprintf(stderr,
								"!! Size of code_block error (option -b) !!\n\nRestriction :\n    * width*height<=4096\n    * 4<=width,height<= 1024\n\n");
				return 1;
			}
			break;
			/* ----------------------------------------------------- */
		case 'x':									/* creation of index file */
			index = optarg;
			img.index_on = 1;
			break;
			/* ----------------------------------------------------- */
		case 'p':									/* progression order */
			sscanf(optarg, "%s", progression);
			Prog_order = give_progression(progression);
			if (Prog_order == -1) {
				fprintf(stderr,
								"Unrecognized progression order [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");
				return 1;
			}
			break;
			/* ----------------------------------------------------- */
		case 's':									/* subsampling factor */
			if (sscanf(optarg, "%d,%d", &subsampling_dx, &subsampling_dy) != 2) {
				fprintf(stderr,
								"'-s' sub-sampling argument error !  [-s dx,dy]\n");
				return 1;
			}
			break;
			/* ----------------------------------------------------- */
		case 'd':									/* coordonnate of the reference grid */
			if (sscanf(optarg, "%d,%d", &Dim[0], &Dim[1]) != 2) {
				fprintf(stderr,
								"-d 'coordonnate of the reference grid' argument error !! [-d x0,y0]\n");
				return 1;
			}
			break;
			/* ----------------------------------------------------- */
		case 'h':									/* Display an help description */
			help_display();
			return 0;
			break;
			/* ----------------------------------------------------- */
		case 'P':									/* POC */
			fprintf(stderr, "/----------------------------------\\\n");
			fprintf(stderr, "|  POC option not fully tested !!  |\n");
			fprintf(stderr, "\\----------------------------------/\n");

			s = optarg;
			while (sscanf
						 (s, "T%d=%d,%d,%d,%d,%d,%s", &POC[numpocs].tile,
							&POC[numpocs].resno0, &POC[numpocs].compno0,
							&POC[numpocs].layno1, &POC[numpocs].resno1,
							&POC[numpocs].compno1, POC[numpocs].progorder) == 7) {
				POC[numpocs].prg = give_progression(POC[numpocs].progorder);
				/* POC[numpocs].tile; */
				numpocs++;
				while (*s && *s != '/') {
					s++;
				}
				if (!*s)
					break;
				s++;
			}
			break;
			/* ------------------------------------------------------ */
		case 'S':									/* SOP marker */
			CSty |= 0x02;
			break;
			/* ------------------------------------------------------ */
		case 'E':									/* EPH marker */
			CSty |= 0x04;
			break;
			/* ------------------------------------------------------ */
		case 'M':									/* Mode switch pas tous au point !! */
			if (sscanf(optarg, "%d", &value) == 1) {
				for (i = 0; i <= 5; i++) {
					int cache = value & (1 << i);
					if (cache)
						mode |= (1 << i);
				}
			}
			break;
			/* ------------------------------------------------------ */
		case 'R':									/* ROI */
			if (sscanf(optarg, "OI:c=%d,U=%d", &ROI_compno, &ROI_shift) != 2) {
				fprintf(stderr,
								"ROI error !! [-ROI:c='compno',U='shift']\n");
				return 1;
			}
			break;
			/* ------------------------------------------------------ */
		case 'T':									/* Tile offset */
			if (sscanf(optarg, "%d,%d", &TX0, &TY0) != 2) {
				fprintf(stderr,
								"-T 'tile offset' argument error !! [-T X0,Y0]");
				return 1;
			}
			break;
			/* ------------------------------------------------------ */
		case 'C':									/* Add a comment */
			cp.comment = optarg;
			break;
			/* ------------------------------------------------------ */
		case 'I':									/* reversible or not */
			ir = 1;
			break;
			/* ------------------------------------------------------ */
		default:
			return 1;
		}
	}

	cp.tx0 = TX0;
	cp.ty0 = TY0;

	/* Error messages */
	/* -------------- */
	if (!infile || !outfile) {
		fprintf(stderr,
						"usage: pnmtoj2k -i pnm-file -o j2k-file\n");
		return 1;
	}

	if (cp.disto_alloc & cp.fixed_alloc) {
		fprintf(stderr,
						"Error: option -r and -q can not be used together !!\n");
		return 1;
	}

	/* if no rate entered, lossless by default */
	if (tcp_init->numlayers == 0) {
		tcp_init->rates[tcp_init->numlayers] = 1;
		tcp_init->numlayers++;
		cp.disto_alloc = 1;
	}

	if (TX0 > Dim[0] || TY0 > Dim[1]) {
		fprintf(stderr,
						"Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
						TX0, Dim[0], TY0, Dim[1]);
		return 1;
	}

	for (i = 0; i < numpocs; i++) {
		if (POC[i].prg == -1) {
			fprintf(stderr,
							"Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",
							i + 1);
		}
	}

	switch (cp.image_type) {
	case 0:
		if (Tile_arg) {
			if (!pgxtoimage
					(infile, &img, cp.tdy, subsampling_dx, subsampling_dy, Dim,
					 cp)) {
				fprintf(stderr, "not a pgx file\n");
				return 1;
			}
		} else {
			if (!pgxtoimage
					(infile, &img, -1, subsampling_dx, subsampling_dy, Dim, cp)) {
				fprintf(stderr, " not a pgx file\n");
				return 1;
			}
		}
		break;

	case 1:
		if (!pnmtoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
			fprintf(stderr, " not a pnm file\n");
			return 1;
		}
		break;

	case 2:
		if (!bmptoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
			fprintf(stderr, " not a bmp file\n");
			return 1;
		}
		break;
	}
	/* to respect profile - 0 */
	/* ---------------------- */
	numD_min = 0;
	/*   while (int_ceildiv(img.x1,(1<<numD_min))-int_ceildiv(img.x0,(1<<numD_min))>120 || int_ceildiv(img.y1,(1<<numD_min))-int_ceildiv(img.y0,(1<<numD_min))>160) numD_min++;
	   if ((numD_min+1)>NumResolution)
	   {
	   fprintf(stderr,"\n********************************************************************************\n\n");
	   fprintf(stderr,  "In view to respect Profile-0, the number of resolution used is %d in place of %d\n\n",numD_min+1,NumResolution);
	   fprintf(stderr,  "********************************************************************************\n\n");
	   NumResolution=numD_min+1;
	   } */

	if (Tile_arg == 1) {
		cp.tw = int_ceildiv(img.x1 - cp.tx0, cp.tdx);
		cp.th = int_ceildiv(img.y1 - cp.ty0, cp.tdy);
	} else {
		cp.tdx = img.x1 - cp.tx0;
		cp.tdy = img.y1 - cp.ty0;
	}

	/* Init the mutiple tiles */
	/* ---------------------- */
	cp.tcps = (j2k_tcp_t *) malloc(cp.tw * cp.th * sizeof(j2k_tcp_t));

	for (tileno = 0; tileno < cp.tw * cp.th; tileno++) {
		tcp = &cp.tcps[tileno];
		tcp->numlayers = tcp_init->numlayers;
		for (j = 0; j < tcp->numlayers; j++) {
			tcp->rates[j] = tcp_init->rates[j];
		}
		tcp->csty = CSty;
		tcp->prg = Prog_order;
		tcp->mct = img.numcomps == 3 ? 1 : 0;
		numpocs_tile = 0;
		if (numpocs) {							/* intialisation of POC */
			for (i = 0; i < numpocs; i++) {
				if (tileno == POC[i].tile - 1 || POC[i].tile == -1) {
					tcp_poc = &tcp->pocs[numpocs_tile];
					tcp_poc->resno0 = POC[numpocs_tile].resno0;
					tcp_poc->compno0 = POC[numpocs_tile].compno0;
					tcp_poc->layno1 = POC[numpocs_tile].layno1;
					tcp_poc->resno1 = POC[numpocs_tile].resno1;
					tcp_poc->compno1 = POC[numpocs_tile].compno1;
					tcp_poc->prg = POC[numpocs_tile].prg;
					tcp_poc->tile = POC[numpocs_tile].tile;
					numpocs_tile++;
				}
			}
		}
		tcp->numpocs = numpocs_tile;
		tcp->tccps = (j2k_tccp_t *) malloc(img.numcomps * sizeof(j2k_tccp_t));

		for (i = 0; i < img.numcomps; i++) {
			tccp = &tcp->tccps[i];
			tccp->csty = CSty & 0x01;	/* 0 => one precinct || 1 => custom precinct  */
			tccp->numresolutions = NumResolution;
			tccp->cblkw = int_floorlog2(cblockw_init);
			tccp->cblkh = int_floorlog2(cblockh_init);
			tccp->cblksty = mode;
			tccp->qmfbid = ir ? 0 : 1;
			tccp->qntsty = ir ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
			tccp->numgbits = 2;
			if (i == ROI_compno)
				tccp->roishift = ROI_shift;
			else
				tccp->roishift = 0;
			if (CSty & J2K_CCP_CSTY_PRT) {

				for (j = 0; j < tccp->numresolutions; j++) {
					int size_prcw, size_prch;
					size_prcw = prcw_init >> (tccp->numresolutions - j - 1);
					size_prch = prch_init >> (tccp->numresolutions - j - 1);
					if (size_prcw < 1) {
						tccp->prcw[j] = 1;
					} else {
						tccp->prcw[j] =
							int_floorlog2(prcw_init >> (tccp->numresolutions - j - 1));
					}
					if (size_prch < 1) {
						tccp->prch[j] = 1;
					} else {
						tccp->prch[j] =
							int_floorlog2(prch_init >> (tccp->numresolutions - j - 1));
					}
				}
			} else {
				for (j = 0; j < tccp->numresolutions; j++) {
					tccp->prcw[j] = 15;
					tccp->prch[j] = 15;
				}
			}
			calc_explicit_stepsizes(tccp, img.comps[i].prec);
		}
	}

	len = j2k_encode(&img, &cp, outfile, cp.tdx * cp.tdy * 2, index);
	if (len == 0) {
		fprintf(stderr, "failed to encode image\n");
		return 1;
	}

	if (cp.image_type) {					/* PNM PGM PPM */
		/* Remove the temporary file Compo */
		/* ------------------------------- */
		for (i = 0; i < img.numcomps; i++) {
			char tmp[256];
			sprintf(tmp, "Compo%d", i);
			if (unlink(tmp) == -1) {
				fprintf(stderr, "failed to kill %s file !\n",
								tmp);
			}
		}
	} else {											/* PGX */

		/* Kill temporary bandtile file for cleaning the memory space on user's disk */
		for (i = 0; i < cp.th; i++) {
			char tmp;
			sprintf(&tmp, "bandtile%d", i + 1);

			if (unlink(&tmp) == -1) {
				fprintf(stderr, "failed to kill %s file !\n",
								&tmp);
			}
		}
	}

	return 0;
}