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 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 = 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                 return EXIT_FAILURE;
 131         }
 132
 133         file_test = fopen(inParam.test_filename, "rb");
 134         if (!file_test) {
 135                 fprintf(stderr, "Failed to open %s for reading !!\n", inParam.test_filename);
 136                 return EXIT_FAILURE;
 137         }
 138
 139         file_base = fopen(inParam.base_filename, "rb");
 140         if (!file_base) {
 141                 fprintf(stderr, "Failed to open %s for reading !!\n", inParam.base_filename);
 142                 return EXIT_FAILURE;
 143         }
 144
 145         // Read simultaneously the two files
 146         while (equal)
 147         {
 148                 unsigned char value_test = 0;
 149                 unsigned char eof_test = 0;
 150                 unsigned char value_base = 0;
 151                 unsigned char eof_base = 0;
 152
 153                 // Read one byte
 154                 if (!fread(&value_test, 1, 1, file_test)) {
 155                         eof_test = 1;
 156                 }
 157
 158                 // Read one byte
 159                 if (!fread(&value_base, 1, 1, file_base)) {
 160                         eof_base = 1;;
 161                 }
 162
 163                 // End of file reached by the two files?
 164                 if (eof_test && eof_base)
 165                         break;
 166
 167                 // End of file reached only by one file?
 168                 if (eof_test || eof_base)
 169                 {
 170                         fprintf(stdout,"Files have different sizes.\n");
 171                         equal = 0;
 172                 }
 173
 174                 // Binary values are equal?
 175                 if (value_test != value_base)
 176                 {
 177                         fprintf(stdout,"Binary values read in the file are different.\n");
 178                         equal = 0;
 179                 }
 180         }
 181
 182         fclose(file_test);
 183         fclose(file_base);
 184
 185         if (equal)
 186         {
 187                 fprintf(stdout,"---- TEST SUCCEED: Files are equal ----\n");
 188                 return EXIT_SUCCESS;
 189         }
 190         else
 191                 return EXIT_FAILURE;
 192 }