tests/compareRAWimages.c

   1 /*
   2  * Copyright (c) 2011, Mickael Savinaud, Communications & Systemes <mickael.savinaud@c-s.fr>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  18  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  24  * POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 /*
  28  * compareRAWimages.c
  29  *
  30  *  Created on: 31 August 2011
  31  *      Author: mickael
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <ctype.h>
  38
  39 #include "opj_getopt.h"
  40
  41 void compareRAWimages_help_display(void);
  42
  43 typedef struct test_cmp_parameters
  44 {
  45         /**  */
  46         char* base_filename;
  47         /**  */
  48         char* test_filename;
  49 } test_cmp_parameters;
  50
  51 /*******************************************************************************
  52  * Command line help function
  53  *******************************************************************************/
  54 void compareRAWimages_help_display(void) {
  55         fprintf(stdout,"\nList of parameters for the comparePGX function  \n");
  56         fprintf(stdout,"\n");
  57         fprintf(stdout,"  -b \t REQUIRED \t filename to the reference/baseline RAW image \n");
  58         fprintf(stdout,"  -t \t REQUIRED \t filename to the test RAW image\n");
  59         fprintf(stdout,"\n");
  60 }
  61
  62 /*******************************************************************************
  63  * Parse command line
  64  *******************************************************************************/
  65 static int parse_cmdline_cmp(int argc, char **argv, test_cmp_parameters* param)
  66 {
  67         int sizemembasefile, sizememtestfile;
  68         int index;
  69         const char optlist[] = "b:t:";
  70         int c;
  71
  72         /* Init parameters*/
  73         param->base_filename = NULL;
  74         param->test_filename = NULL;
  75
  76         opj_opterr = 0;
  77         while ((c = opj_getopt(argc, argv, optlist)) != -1)
  78                 switch (c)
  79                 {
  80                 case 'b':
  81                         sizemembasefile = (int)strlen(opj_optarg)+1;
  82                         param->base_filename = (char*) malloc(sizemembasefile);
  83                         param->base_filename[0] = '\0';
  84                         strncpy(param->base_filename, opj_optarg, strlen(opj_optarg));
  85                         param->base_filename[strlen(opj_optarg)] = '\0';
  86                         /*printf("param->base_filename = %s [%d / %d]\n", param->base_filename, strlen(param->base_filename), sizemembasefile );*/
  87                         break;
  88                 case 't':
  89                         sizememtestfile = (int) strlen(opj_optarg) + 1;
  90                         param->test_filename = (char*) malloc(sizememtestfile);
  91                         param->test_filename[0] = '\0';
  92                         strncpy(param->test_filename, opj_optarg, strlen(opj_optarg));
  93                         param->test_filename[strlen(opj_optarg)] = '\0';
  94                         /*printf("param->test_filename = %s [%d / %d]\n", param->test_filename, strlen(param->test_filename), sizememtestfile);*/
  95                         break;
  96                 case '?':
  97                         if ((opj_optopt == 'b') || (opj_optopt == 't'))
  98                                 fprintf(stderr, "Option -%c requires an argument.\n", opj_optopt);
  99                         else
 100                                 if (isprint(opj_optopt))        fprintf(stderr, "Unknown option `-%c'.\n", opj_optopt);
 101                                 else    fprintf(stderr, "Unknown option character `\\x%x'.\n", opj_optopt);
 102                         return 1;
 103                 default:
 104                         fprintf(stderr, "WARNING -> this option is not valid \"-%c %s\"\n", c, opj_optarg);
 105                         break;
 106                 }
 107
 108         if (opj_optind != argc) {
 109                 for (index = opj_optind; index < argc; index++)
 110                         fprintf(stderr,"Non-option argument %s\n", argv[index]);
 111                 return EXIT_FAILURE;
 112     }
 113
 114   return EXIT_SUCCESS;
 115 }
 116
 117 /*******************************************************************************
 118  * MAIN
 119  *******************************************************************************/
 120 int main(int argc, char **argv)
 121 {
 122         test_cmp_parameters inParam;
 123         FILE *file_test=NULL, *file_base=NULL;
 124         unsigned char equal = 1;
 125
 126         /* Get parameters from command line*/
 127         if (parse_cmdline_cmp(argc, argv, &inParam) == EXIT_FAILURE)
 128         {
 129                 compareRAWimages_help_display();
 130
 131                 /* Free Memory */
 132                 if (inParam.base_filename){
 133                         free(inParam.base_filename);
 134                         inParam.base_filename = NULL;
 135                 }
 136                 if (inParam.test_filename){
 137                         free(inParam.test_filename);
 138                         inParam.test_filename = NULL;
 139                 }
 140
 141                 return EXIT_FAILURE;
 142         }
 143
 144         file_test = fopen(inParam.test_filename, "rb");
 145         if (!file_test) {
 146                 fprintf(stderr, "Failed to open %s for reading !!\n", inParam.test_filename);
 147
 148                 /* Free Memory */
 149                 if (inParam.base_filename){
 150                         free(inParam.base_filename);
 151                         inParam.base_filename = NULL;
 152                 }
 153                 if (inParam.test_filename){
 154                         free(inParam.test_filename);
 155                         inParam.test_filename = NULL;
 156                 }
 157
 158                 return EXIT_FAILURE;
 159         }
 160
 161         file_base = fopen(inParam.base_filename, "rb");
 162         if (!file_base) {
 163                 fprintf(stderr, "Failed to open %s for reading !!\n", inParam.base_filename);
 164
 165                 /* Free Memory */
 166                 if (inParam.base_filename){
 167                         free(inParam.base_filename);
 168                         inParam.base_filename = NULL;
 169                 }
 170                 if (inParam.test_filename){
 171                         free(inParam.test_filename);
 172                         inParam.test_filename = NULL;
 173                 }
 174
 175                 fclose(file_test);
 176                 return EXIT_FAILURE;
 177         }
 178
 179         /* Read simultaneously the two files*/
 180         while (equal)
 181         {
 182                 unsigned char value_test = 0;
 183                 unsigned char eof_test = 0;
 184                 unsigned char value_base = 0;
 185                 unsigned char eof_base = 0;
 186
 187                 /* Read one byte*/
 188                 if (!fread(&value_test, 1, 1, file_test)) {
 189                         eof_test = 1;
 190                 }
 191
 192                 /* Read one byte*/
 193                 if (!fread(&value_base, 1, 1, file_base)) {
 194                         eof_base = 1;;
 195                 }
 196
 197                 /* End of file reached by the two files?*/
 198                 if (eof_test && eof_base)
 199                         break;
 200
 201                 /* End of file reached only by one file?*/
 202                 if (eof_test || eof_base)
 203                 {
 204                         fprintf(stdout,"Files have different sizes.\n");
 205                         equal = 0;
 206                 }
 207
 208                 /* Binary values are equal?*/
 209                 if (value_test != value_base)
 210                 {
 211                         fprintf(stdout,"Binary values read in the file are different.\n");
 212                         equal = 0;
 213                 }
 214         }
 215
 216         /* Free Memory */
 217         if (inParam.base_filename){
 218                 free(inParam.base_filename);
 219                 inParam.base_filename = NULL;
 220         }
 221         if (inParam.test_filename){
 222                 free(inParam.test_filename);
 223                 inParam.test_filename = NULL;
 224         }
 225
 226         fclose(file_test);
 227         fclose(file_base);
 228
 229         if (equal)
 230         {
 231                 fprintf(stdout,"---- TEST SUCCEED: Files are equal ----\n");
 232                 return EXIT_SUCCESS;
 233         }
 234         else
 235                 return EXIT_FAILURE;
 236 }