hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * jpegtran.c |
| 3 | * |
noel@chromium.org | 3395bcc | 2014-04-14 06:56:00 +0000 | [diff] [blame] | 4 | * This file was part of the Independent JPEG Group's software: |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 5 | * Copyright (C) 1995-2019, Thomas G. Lane, Guido Vollbeding. |
noel@chromium.org | 3395bcc | 2014-04-14 06:56:00 +0000 | [diff] [blame] | 6 | * libjpeg-turbo Modifications: |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 7 | * Copyright (C) 2010, 2014, 2017, 2019-2020, D. R. Commander. |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 8 | * For conditions of distribution and use, see the accompanying README.ijg |
| 9 | * file. |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 10 | * |
| 11 | * This file contains a command-line user interface for JPEG transcoding. |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 12 | * It is very similar to cjpeg.c, and partly to djpeg.c, but provides |
| 13 | * lossless transcoding between different JPEG file formats. It also |
| 14 | * provides some lossless and sort-of-lossless transformations of JPEG data. |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 15 | */ |
| 16 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 17 | #include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ |
| 18 | #include "transupp.h" /* Support routines for jpegtran */ |
| 19 | #include "jversion.h" /* for version message */ |
| 20 | #include "jconfigint.h" |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 21 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 22 | #ifdef USE_CCOMMAND /* command-line reader for Macintosh */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 23 | #ifdef __MWERKS__ |
| 24 | #include <SIOUX.h> /* Metrowerks needs this */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 25 | #include <console.h> /* ... and this */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 26 | #endif |
| 27 | #ifdef THINK_C |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 28 | #include <console.h> /* Think declares it here */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 29 | #endif |
| 30 | #endif |
| 31 | |
| 32 | |
| 33 | /* |
| 34 | * Argument-parsing code. |
| 35 | * The switch parser is designed to be useful with DOS-style command line |
| 36 | * syntax, ie, intermixed switches and file names, where only the switches |
| 37 | * to the left of a given file name affect processing of that file. |
| 38 | * The main program in this file doesn't actually use this capability... |
| 39 | */ |
| 40 | |
| 41 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 42 | static const char *progname; /* program name for error messages */ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 43 | static char *icc_filename; /* for -icc switch */ |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 44 | static JDIMENSION max_scans; /* for -maxscans switch */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 45 | static char *outfilename; /* for -outfile switch */ |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 46 | static char *dropfilename; /* for -drop switch */ |
| 47 | static boolean report; /* for -report switch */ |
| 48 | static boolean strict; /* for -strict switch */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 49 | static JCOPY_OPTION copyoption; /* -copy switch */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 50 | static jpeg_transform_info transformoption; /* image transformation options */ |
| 51 | |
| 52 | |
| 53 | LOCAL(void) |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 54 | usage(void) |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 55 | /* complain about bad command line */ |
| 56 | { |
| 57 | fprintf(stderr, "usage: %s [switches] ", progname); |
| 58 | #ifdef TWO_FILE_COMMANDLINE |
| 59 | fprintf(stderr, "inputfile outputfile\n"); |
| 60 | #else |
| 61 | fprintf(stderr, "[inputfile]\n"); |
| 62 | #endif |
| 63 | |
| 64 | fprintf(stderr, "Switches (names may be abbreviated):\n"); |
| 65 | fprintf(stderr, " -copy none Copy no extra markers from source file\n"); |
| 66 | fprintf(stderr, " -copy comments Copy only comment markers (default)\n"); |
| 67 | fprintf(stderr, " -copy all Copy all extra markers\n"); |
| 68 | #ifdef ENTROPY_OPT_SUPPORTED |
| 69 | fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but slow compression)\n"); |
| 70 | #endif |
| 71 | #ifdef C_PROGRESSIVE_SUPPORTED |
| 72 | fprintf(stderr, " -progressive Create progressive JPEG file\n"); |
| 73 | #endif |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 74 | fprintf(stderr, "Switches for modifying the image:\n"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 75 | #if TRANSFORMS_SUPPORTED |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 76 | fprintf(stderr, " -crop WxH+X+Y Crop to a rectangular region\n"); |
| 77 | fprintf(stderr, " -drop +X+Y filename Drop (insert) another image\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 78 | fprintf(stderr, " -flip [horizontal|vertical] Mirror image (left-right or top-bottom)\n"); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 79 | fprintf(stderr, " -grayscale Reduce to grayscale (omit color data)\n"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 80 | fprintf(stderr, " -perfect Fail if there is non-transformable edge blocks\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 81 | fprintf(stderr, " -rotate [90|180|270] Rotate image (degrees clockwise)\n"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 82 | #endif |
| 83 | #if TRANSFORMS_SUPPORTED |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 84 | fprintf(stderr, " -transpose Transpose image\n"); |
| 85 | fprintf(stderr, " -transverse Transverse transpose image\n"); |
| 86 | fprintf(stderr, " -trim Drop non-transformable edge blocks\n"); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 87 | fprintf(stderr, " with -drop: Requantize drop file to match source file\n"); |
| 88 | fprintf(stderr, " -wipe WxH+X+Y Wipe (gray out) a rectangular region\n"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 89 | #endif |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 90 | fprintf(stderr, "Switches for advanced users:\n"); |
hbono@chromium.org | df5ffdd | 2012-05-11 07:46:03 +0000 | [diff] [blame] | 91 | #ifdef C_ARITH_CODING_SUPPORTED |
| 92 | fprintf(stderr, " -arithmetic Use arithmetic coding\n"); |
| 93 | #endif |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 94 | fprintf(stderr, " -icc FILE Embed ICC profile contained in FILE\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 95 | fprintf(stderr, " -restart N Set restart interval in rows, or in blocks with B\n"); |
| 96 | fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n"); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 97 | fprintf(stderr, " -maxscans N Maximum number of scans to allow in input file\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 98 | fprintf(stderr, " -outfile name Specify name for output file\n"); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 99 | fprintf(stderr, " -report Report transformation progress\n"); |
| 100 | fprintf(stderr, " -strict Treat all warnings as fatal\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 101 | fprintf(stderr, " -verbose or -debug Emit debug output\n"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 102 | fprintf(stderr, " -version Print version information and exit\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 103 | fprintf(stderr, "Switches for wizards:\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 104 | #ifdef C_MULTISCAN_FILES_SUPPORTED |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 105 | fprintf(stderr, " -scans FILE Create multi-scan JPEG per script FILE\n"); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 106 | #endif |
| 107 | exit(EXIT_FAILURE); |
| 108 | } |
| 109 | |
| 110 | |
| 111 | LOCAL(void) |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 112 | select_transform(JXFORM_CODE transform) |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 113 | /* Silly little routine to detect multiple transform options, |
| 114 | * which we can't handle. |
| 115 | */ |
| 116 | { |
| 117 | #if TRANSFORMS_SUPPORTED |
| 118 | if (transformoption.transform == JXFORM_NONE || |
| 119 | transformoption.transform == transform) { |
| 120 | transformoption.transform = transform; |
| 121 | } else { |
| 122 | fprintf(stderr, "%s: can only do one image transformation at a time\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 123 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 124 | usage(); |
| 125 | } |
| 126 | #else |
| 127 | fprintf(stderr, "%s: sorry, image transformation was not compiled\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 128 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 129 | exit(EXIT_FAILURE); |
| 130 | #endif |
| 131 | } |
| 132 | |
| 133 | |
| 134 | LOCAL(int) |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 135 | parse_switches(j_compress_ptr cinfo, int argc, char **argv, |
| 136 | int last_file_arg_seen, boolean for_real) |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 137 | /* Parse optional switches. |
| 138 | * Returns argv[] index of first file-name argument (== argc if none). |
| 139 | * Any file names with indexes <= last_file_arg_seen are ignored; |
| 140 | * they have presumably been processed in a previous iteration. |
| 141 | * (Pass 0 for last_file_arg_seen on the first or only iteration.) |
| 142 | * for_real is FALSE on the first (dummy) pass; we may skip any expensive |
| 143 | * processing. |
| 144 | */ |
| 145 | { |
| 146 | int argn; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 147 | char *arg; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 148 | boolean simple_progressive; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 149 | char *scansarg = NULL; /* saves -scans parm if any */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 150 | |
| 151 | /* Set up default JPEG parameters. */ |
| 152 | simple_progressive = FALSE; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 153 | icc_filename = NULL; |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 154 | max_scans = 0; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 155 | outfilename = NULL; |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 156 | report = FALSE; |
| 157 | strict = FALSE; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 158 | copyoption = JCOPYOPT_DEFAULT; |
| 159 | transformoption.transform = JXFORM_NONE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 160 | transformoption.perfect = FALSE; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 161 | transformoption.trim = FALSE; |
| 162 | transformoption.force_grayscale = FALSE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 163 | transformoption.crop = FALSE; |
| 164 | transformoption.slow_hflip = FALSE; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 165 | cinfo->err->trace_level = 0; |
| 166 | |
| 167 | /* Scan command line options, adjust parameters */ |
| 168 | |
| 169 | for (argn = 1; argn < argc; argn++) { |
| 170 | arg = argv[argn]; |
| 171 | if (*arg != '-') { |
| 172 | /* Not a switch, must be a file name argument */ |
| 173 | if (argn <= last_file_arg_seen) { |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 174 | outfilename = NULL; /* -outfile applies to just one input file */ |
| 175 | continue; /* ignore this name if previously processed */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 176 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 177 | break; /* else done parsing switches */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 178 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 179 | arg++; /* advance past switch marker character */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 180 | |
| 181 | if (keymatch(arg, "arithmetic", 1)) { |
| 182 | /* Use arithmetic coding. */ |
| 183 | #ifdef C_ARITH_CODING_SUPPORTED |
| 184 | cinfo->arith_code = TRUE; |
| 185 | #else |
| 186 | fprintf(stderr, "%s: sorry, arithmetic coding not supported\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 187 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 188 | exit(EXIT_FAILURE); |
| 189 | #endif |
| 190 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 191 | } else if (keymatch(arg, "copy", 2)) { |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 192 | /* Select which extra markers to copy. */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 193 | if (++argn >= argc) /* advance to next argument */ |
| 194 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 195 | if (keymatch(argv[argn], "none", 1)) { |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 196 | copyoption = JCOPYOPT_NONE; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 197 | } else if (keymatch(argv[argn], "comments", 1)) { |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 198 | copyoption = JCOPYOPT_COMMENTS; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 199 | } else if (keymatch(argv[argn], "all", 1)) { |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 200 | copyoption = JCOPYOPT_ALL; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 201 | } else |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 202 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 203 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 204 | } else if (keymatch(arg, "crop", 2)) { |
| 205 | /* Perform lossless cropping. */ |
| 206 | #if TRANSFORMS_SUPPORTED |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 207 | if (++argn >= argc) /* advance to next argument */ |
| 208 | usage(); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 209 | if (transformoption.crop /* reject multiple crop/drop/wipe requests */ || |
| 210 | !jtransform_parse_crop_spec(&transformoption, argv[argn])) { |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 211 | fprintf(stderr, "%s: bogus -crop argument '%s'\n", |
| 212 | progname, argv[argn]); |
| 213 | exit(EXIT_FAILURE); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 214 | } |
| 215 | #else |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 216 | select_transform(JXFORM_NONE); /* force an error */ |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 217 | #endif |
| 218 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 219 | } else if (keymatch(arg, "drop", 2)) { |
| 220 | #if TRANSFORMS_SUPPORTED |
| 221 | if (++argn >= argc) /* advance to next argument */ |
| 222 | usage(); |
| 223 | if (transformoption.crop /* reject multiple crop/drop/wipe requests */ || |
| 224 | !jtransform_parse_crop_spec(&transformoption, argv[argn]) || |
| 225 | transformoption.crop_width_set != JCROP_UNSET || |
| 226 | transformoption.crop_height_set != JCROP_UNSET) { |
| 227 | fprintf(stderr, "%s: bogus -drop argument '%s'\n", |
| 228 | progname, argv[argn]); |
| 229 | exit(EXIT_FAILURE); |
| 230 | } |
| 231 | if (++argn >= argc) /* advance to next argument */ |
| 232 | usage(); |
| 233 | dropfilename = argv[argn]; |
| 234 | select_transform(JXFORM_DROP); |
| 235 | #else |
| 236 | select_transform(JXFORM_NONE); /* force an error */ |
| 237 | #endif |
| 238 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 239 | } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) { |
| 240 | /* Enable debug printouts. */ |
| 241 | /* On first -d, print version identification */ |
| 242 | static boolean printed_version = FALSE; |
| 243 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 244 | if (!printed_version) { |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 245 | fprintf(stderr, "%s version %s (build %s)\n", |
| 246 | PACKAGE_NAME, VERSION, BUILD); |
| 247 | fprintf(stderr, "%s\n\n", JCOPYRIGHT); |
| 248 | fprintf(stderr, "Emulating The Independent JPEG Group's software, version %s\n\n", |
| 249 | JVERSION); |
| 250 | printed_version = TRUE; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 251 | } |
| 252 | cinfo->err->trace_level++; |
| 253 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 254 | } else if (keymatch(arg, "version", 4)) { |
| 255 | fprintf(stderr, "%s version %s (build %s)\n", |
| 256 | PACKAGE_NAME, VERSION, BUILD); |
| 257 | exit(EXIT_SUCCESS); |
| 258 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 259 | } else if (keymatch(arg, "flip", 1)) { |
| 260 | /* Mirror left-right or top-bottom. */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 261 | if (++argn >= argc) /* advance to next argument */ |
| 262 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 263 | if (keymatch(argv[argn], "horizontal", 1)) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 264 | select_transform(JXFORM_FLIP_H); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 265 | else if (keymatch(argv[argn], "vertical", 1)) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 266 | select_transform(JXFORM_FLIP_V); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 267 | else |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 268 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 269 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 270 | } else if (keymatch(arg, "grayscale", 1) || |
| 271 | keymatch(arg, "greyscale", 1)) { |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 272 | /* Force to grayscale. */ |
| 273 | #if TRANSFORMS_SUPPORTED |
| 274 | transformoption.force_grayscale = TRUE; |
| 275 | #else |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 276 | select_transform(JXFORM_NONE); /* force an error */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 277 | #endif |
| 278 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 279 | } else if (keymatch(arg, "icc", 1)) { |
| 280 | /* Set ICC filename. */ |
| 281 | if (++argn >= argc) /* advance to next argument */ |
| 282 | usage(); |
| 283 | icc_filename = argv[argn]; |
| 284 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 285 | } else if (keymatch(arg, "maxmemory", 3)) { |
| 286 | /* Maximum memory in Kb (or Mb with 'm'). */ |
| 287 | long lval; |
| 288 | char ch = 'x'; |
| 289 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 290 | if (++argn >= argc) /* advance to next argument */ |
| 291 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 292 | if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 293 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 294 | if (ch == 'm' || ch == 'M') |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 295 | lval *= 1000L; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 296 | cinfo->mem->max_memory_to_use = lval * 1000L; |
| 297 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 298 | } else if (keymatch(arg, "maxscans", 4)) { |
| 299 | if (++argn >= argc) /* advance to next argument */ |
| 300 | usage(); |
| 301 | if (sscanf(argv[argn], "%u", &max_scans) != 1) |
| 302 | usage(); |
| 303 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 304 | } else if (keymatch(arg, "optimize", 1) || keymatch(arg, "optimise", 1)) { |
| 305 | /* Enable entropy parm optimization. */ |
| 306 | #ifdef ENTROPY_OPT_SUPPORTED |
| 307 | cinfo->optimize_coding = TRUE; |
| 308 | #else |
| 309 | fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 310 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 311 | exit(EXIT_FAILURE); |
| 312 | #endif |
| 313 | |
| 314 | } else if (keymatch(arg, "outfile", 4)) { |
| 315 | /* Set output file name. */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 316 | if (++argn >= argc) /* advance to next argument */ |
| 317 | usage(); |
| 318 | outfilename = argv[argn]; /* save it away for later use */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 319 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 320 | } else if (keymatch(arg, "perfect", 2)) { |
| 321 | /* Fail if there is any partial edge MCUs that the transform can't |
| 322 | * handle. */ |
| 323 | transformoption.perfect = TRUE; |
| 324 | |
| 325 | } else if (keymatch(arg, "progressive", 2)) { |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 326 | /* Select simple progressive mode. */ |
| 327 | #ifdef C_PROGRESSIVE_SUPPORTED |
| 328 | simple_progressive = TRUE; |
| 329 | /* We must postpone execution until num_components is known. */ |
| 330 | #else |
| 331 | fprintf(stderr, "%s: sorry, progressive output was not compiled\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 332 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 333 | exit(EXIT_FAILURE); |
| 334 | #endif |
| 335 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 336 | } else if (keymatch(arg, "report", 3)) { |
| 337 | report = TRUE; |
| 338 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 339 | } else if (keymatch(arg, "restart", 1)) { |
| 340 | /* Restart interval in MCU rows (or in MCUs with 'b'). */ |
| 341 | long lval; |
| 342 | char ch = 'x'; |
| 343 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 344 | if (++argn >= argc) /* advance to next argument */ |
| 345 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 346 | if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 347 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 348 | if (lval < 0 || lval > 65535L) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 349 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 350 | if (ch == 'b' || ch == 'B') { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 351 | cinfo->restart_interval = (unsigned int)lval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 352 | cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 353 | } else { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 354 | cinfo->restart_in_rows = (int)lval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 355 | /* restart_interval will be computed during startup */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | } else if (keymatch(arg, "rotate", 2)) { |
| 359 | /* Rotate 90, 180, or 270 degrees (measured clockwise). */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 360 | if (++argn >= argc) /* advance to next argument */ |
| 361 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 362 | if (keymatch(argv[argn], "90", 2)) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 363 | select_transform(JXFORM_ROT_90); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 364 | else if (keymatch(argv[argn], "180", 3)) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 365 | select_transform(JXFORM_ROT_180); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 366 | else if (keymatch(argv[argn], "270", 3)) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 367 | select_transform(JXFORM_ROT_270); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 368 | else |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 369 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 370 | |
| 371 | } else if (keymatch(arg, "scans", 1)) { |
| 372 | /* Set scan script. */ |
| 373 | #ifdef C_MULTISCAN_FILES_SUPPORTED |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 374 | if (++argn >= argc) /* advance to next argument */ |
| 375 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 376 | scansarg = argv[argn]; |
| 377 | /* We must postpone reading the file in case -progressive appears. */ |
| 378 | #else |
| 379 | fprintf(stderr, "%s: sorry, multi-scan output was not compiled\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 380 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 381 | exit(EXIT_FAILURE); |
| 382 | #endif |
| 383 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 384 | } else if (keymatch(arg, "strict", 2)) { |
| 385 | strict = TRUE; |
| 386 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 387 | } else if (keymatch(arg, "transpose", 1)) { |
| 388 | /* Transpose (across UL-to-LR axis). */ |
| 389 | select_transform(JXFORM_TRANSPOSE); |
| 390 | |
| 391 | } else if (keymatch(arg, "transverse", 6)) { |
| 392 | /* Transverse transpose (across UR-to-LL axis). */ |
| 393 | select_transform(JXFORM_TRANSVERSE); |
| 394 | |
| 395 | } else if (keymatch(arg, "trim", 3)) { |
| 396 | /* Trim off any partial edge MCUs that the transform can't handle. */ |
| 397 | transformoption.trim = TRUE; |
| 398 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 399 | } else if (keymatch(arg, "wipe", 1)) { |
| 400 | #if TRANSFORMS_SUPPORTED |
| 401 | if (++argn >= argc) /* advance to next argument */ |
| 402 | usage(); |
| 403 | if (transformoption.crop /* reject multiple crop/drop/wipe requests */ || |
| 404 | !jtransform_parse_crop_spec(&transformoption, argv[argn])) { |
| 405 | fprintf(stderr, "%s: bogus -wipe argument '%s'\n", |
| 406 | progname, argv[argn]); |
| 407 | exit(EXIT_FAILURE); |
| 408 | } |
| 409 | select_transform(JXFORM_WIPE); |
| 410 | #else |
| 411 | select_transform(JXFORM_NONE); /* force an error */ |
| 412 | #endif |
| 413 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 414 | } else { |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 415 | usage(); /* bogus switch */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 416 | } |
| 417 | } |
| 418 | |
| 419 | /* Post-switch-scanning cleanup */ |
| 420 | |
| 421 | if (for_real) { |
| 422 | |
| 423 | #ifdef C_PROGRESSIVE_SUPPORTED |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 424 | if (simple_progressive) /* process -progressive; -scans can override */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 425 | jpeg_simple_progression(cinfo); |
| 426 | #endif |
| 427 | |
| 428 | #ifdef C_MULTISCAN_FILES_SUPPORTED |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 429 | if (scansarg != NULL) /* process -scans if it was present */ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 430 | if (!read_scan_script(cinfo, scansarg)) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 431 | usage(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 432 | #endif |
| 433 | } |
| 434 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 435 | return argn; /* return index of next arg (file name) */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 439 | METHODDEF(void) |
| 440 | my_emit_message(j_common_ptr cinfo, int msg_level) |
| 441 | { |
| 442 | if (msg_level < 0) { |
| 443 | /* Treat warning as fatal */ |
| 444 | cinfo->err->error_exit(cinfo); |
| 445 | } else { |
| 446 | if (cinfo->err->trace_level >= msg_level) |
| 447 | cinfo->err->output_message(cinfo); |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 452 | /* |
| 453 | * The main program. |
| 454 | */ |
| 455 | |
| 456 | int |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 457 | #ifdef GTEST |
| 458 | jpegtran(int argc, char **argv) |
| 459 | #else |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 460 | main(int argc, char **argv) |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 461 | #endif |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 462 | { |
| 463 | struct jpeg_decompress_struct srcinfo; |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 464 | #if TRANSFORMS_SUPPORTED |
| 465 | struct jpeg_decompress_struct dropinfo; |
| 466 | struct jpeg_error_mgr jdroperr; |
| 467 | FILE *drop_file; |
| 468 | #endif |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 469 | struct jpeg_compress_struct dstinfo; |
| 470 | struct jpeg_error_mgr jsrcerr, jdsterr; |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 471 | struct cdjpeg_progress_mgr src_progress, dst_progress; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 472 | jvirt_barray_ptr *src_coef_arrays; |
| 473 | jvirt_barray_ptr *dst_coef_arrays; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 474 | int file_index; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 475 | /* We assume all-in-memory processing and can therefore use only a |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 476 | * single file pointer for sequential input and output operation. |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 477 | */ |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 478 | FILE *fp; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 479 | FILE *icc_file; |
| 480 | JOCTET *icc_profile = NULL; |
| 481 | long icc_len = 0; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 482 | |
| 483 | /* On Mac, fetch a command line. */ |
| 484 | #ifdef USE_CCOMMAND |
| 485 | argc = ccommand(&argv); |
| 486 | #endif |
| 487 | |
| 488 | progname = argv[0]; |
| 489 | if (progname == NULL || progname[0] == 0) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 490 | progname = "jpegtran"; /* in case C library doesn't provide it */ |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 491 | |
| 492 | /* Initialize the JPEG decompression object with default error handling. */ |
| 493 | srcinfo.err = jpeg_std_error(&jsrcerr); |
| 494 | jpeg_create_decompress(&srcinfo); |
| 495 | /* Initialize the JPEG compression object with default error handling. */ |
| 496 | dstinfo.err = jpeg_std_error(&jdsterr); |
| 497 | jpeg_create_compress(&dstinfo); |
| 498 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 499 | /* Scan command line to find file names. |
| 500 | * It is convenient to use just one switch-parsing routine, but the switch |
| 501 | * values read here are mostly ignored; we will rescan the switches after |
| 502 | * opening the input file. Also note that most of the switches affect the |
| 503 | * destination JPEG object, so we parse into that and then copy over what |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 504 | * needs to affect the source too. |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 505 | */ |
| 506 | |
| 507 | file_index = parse_switches(&dstinfo, argc, argv, 0, FALSE); |
| 508 | jsrcerr.trace_level = jdsterr.trace_level; |
| 509 | srcinfo.mem->max_memory_to_use = dstinfo.mem->max_memory_to_use; |
| 510 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 511 | if (strict) |
| 512 | jsrcerr.emit_message = my_emit_message; |
| 513 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 514 | #ifdef TWO_FILE_COMMANDLINE |
| 515 | /* Must have either -outfile switch or explicit output file name */ |
| 516 | if (outfilename == NULL) { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 517 | if (file_index != argc - 2) { |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 518 | fprintf(stderr, "%s: must name one input and one output file\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 519 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 520 | usage(); |
| 521 | } |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 522 | outfilename = argv[file_index + 1]; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 523 | } else { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 524 | if (file_index != argc - 1) { |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 525 | fprintf(stderr, "%s: must name one input and one output file\n", |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 526 | progname); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 527 | usage(); |
| 528 | } |
| 529 | } |
| 530 | #else |
| 531 | /* Unix style: expect zero or one file name */ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 532 | if (file_index < argc - 1) { |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 533 | fprintf(stderr, "%s: only one input file\n", progname); |
| 534 | usage(); |
| 535 | } |
| 536 | #endif /* TWO_FILE_COMMANDLINE */ |
| 537 | |
| 538 | /* Open the input file. */ |
| 539 | if (file_index < argc) { |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 540 | if ((fp = fopen(argv[file_index], READ_BINARY)) == NULL) { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 541 | fprintf(stderr, "%s: can't open %s for reading\n", progname, |
| 542 | argv[file_index]); |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 543 | return EXIT_FAILURE; |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 544 | } |
| 545 | } else { |
| 546 | /* default input file is stdin */ |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 547 | fp = read_stdin(); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 548 | } |
| 549 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 550 | if (icc_filename != NULL) { |
| 551 | if ((icc_file = fopen(icc_filename, READ_BINARY)) == NULL) { |
| 552 | fprintf(stderr, "%s: can't open %s\n", progname, icc_filename); |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 553 | return EXIT_FAILURE; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 554 | } |
| 555 | if (fseek(icc_file, 0, SEEK_END) < 0 || |
| 556 | (icc_len = ftell(icc_file)) < 1 || |
| 557 | fseek(icc_file, 0, SEEK_SET) < 0) { |
| 558 | fprintf(stderr, "%s: can't determine size of %s\n", progname, |
| 559 | icc_filename); |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 560 | return EXIT_FAILURE; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 561 | } |
| 562 | if ((icc_profile = (JOCTET *)malloc(icc_len)) == NULL) { |
| 563 | fprintf(stderr, "%s: can't allocate memory for ICC profile\n", progname); |
| 564 | fclose(icc_file); |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 565 | return EXIT_FAILURE; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 566 | } |
| 567 | if (fread(icc_profile, icc_len, 1, icc_file) < 1) { |
| 568 | fprintf(stderr, "%s: can't read ICC profile from %s\n", progname, |
| 569 | icc_filename); |
| 570 | free(icc_profile); |
| 571 | fclose(icc_file); |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 572 | return EXIT_FAILURE; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 573 | } |
| 574 | fclose(icc_file); |
| 575 | if (copyoption == JCOPYOPT_ALL) |
| 576 | copyoption = JCOPYOPT_ALL_EXCEPT_ICC; |
| 577 | } |
| 578 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 579 | if (report) { |
| 580 | start_progress_monitor((j_common_ptr)&dstinfo, &dst_progress); |
| 581 | dst_progress.report = report; |
| 582 | } |
| 583 | if (report || max_scans != 0) { |
| 584 | start_progress_monitor((j_common_ptr)&srcinfo, &src_progress); |
| 585 | src_progress.report = report; |
| 586 | src_progress.max_scans = max_scans; |
| 587 | } |
| 588 | #if TRANSFORMS_SUPPORTED |
| 589 | /* Open the drop file. */ |
| 590 | if (dropfilename != NULL) { |
| 591 | if ((drop_file = fopen(dropfilename, READ_BINARY)) == NULL) { |
| 592 | fprintf(stderr, "%s: can't open %s for reading\n", progname, |
| 593 | dropfilename); |
| 594 | return EXIT_FAILURE; |
| 595 | } |
| 596 | dropinfo.err = jpeg_std_error(&jdroperr); |
| 597 | jpeg_create_decompress(&dropinfo); |
| 598 | jpeg_stdio_src(&dropinfo, drop_file); |
| 599 | } else { |
| 600 | drop_file = NULL; |
| 601 | } |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 602 | #endif |
| 603 | |
| 604 | /* Specify data source for decompression */ |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 605 | jpeg_stdio_src(&srcinfo, fp); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 606 | |
| 607 | /* Enable saving of extra markers that we want to copy */ |
| 608 | jcopy_markers_setup(&srcinfo, copyoption); |
| 609 | |
| 610 | /* Read file header */ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 611 | (void)jpeg_read_header(&srcinfo, TRUE); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 612 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 613 | #if TRANSFORMS_SUPPORTED |
| 614 | if (dropfilename != NULL) { |
| 615 | (void)jpeg_read_header(&dropinfo, TRUE); |
| 616 | transformoption.crop_width = dropinfo.image_width; |
| 617 | transformoption.crop_width_set = JCROP_POS; |
| 618 | transformoption.crop_height = dropinfo.image_height; |
| 619 | transformoption.crop_height_set = JCROP_POS; |
| 620 | transformoption.drop_ptr = &dropinfo; |
| 621 | } |
| 622 | #endif |
| 623 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 624 | /* Any space needed by a transform option must be requested before |
| 625 | * jpeg_read_coefficients so that memory allocation will be done right. |
| 626 | */ |
| 627 | #if TRANSFORMS_SUPPORTED |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 628 | /* Fail right away if -perfect is given and transformation is not perfect. |
| 629 | */ |
| 630 | if (!jtransform_request_workspace(&srcinfo, &transformoption)) { |
| 631 | fprintf(stderr, "%s: transformation is not perfect\n", progname); |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 632 | return EXIT_FAILURE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 633 | } |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 634 | #endif |
| 635 | |
| 636 | /* Read source file as DCT coefficients */ |
| 637 | src_coef_arrays = jpeg_read_coefficients(&srcinfo); |
| 638 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 639 | #if TRANSFORMS_SUPPORTED |
| 640 | if (dropfilename != NULL) { |
| 641 | transformoption.drop_coef_arrays = jpeg_read_coefficients(&dropinfo); |
| 642 | } |
| 643 | #endif |
| 644 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 645 | /* Initialize destination compression parameters from source values */ |
| 646 | jpeg_copy_critical_parameters(&srcinfo, &dstinfo); |
| 647 | |
| 648 | /* Adjust destination parameters if required by transform options; |
| 649 | * also find out which set of coefficient arrays will hold the output. |
| 650 | */ |
| 651 | #if TRANSFORMS_SUPPORTED |
| 652 | dst_coef_arrays = jtransform_adjust_parameters(&srcinfo, &dstinfo, |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 653 | src_coef_arrays, |
| 654 | &transformoption); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 655 | #else |
| 656 | dst_coef_arrays = src_coef_arrays; |
| 657 | #endif |
| 658 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 659 | /* Close input file, if we opened it. |
| 660 | * Note: we assume that jpeg_read_coefficients consumed all input |
| 661 | * until JPEG_REACHED_EOI, and that jpeg_finish_decompress will |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 662 | * only consume more while (!cinfo->inputctl->eoi_reached). |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 663 | * We cannot call jpeg_finish_decompress here since we still need the |
| 664 | * virtual arrays allocated from the source object for processing. |
| 665 | */ |
| 666 | if (fp != stdin) |
| 667 | fclose(fp); |
| 668 | |
| 669 | /* Open the output file. */ |
| 670 | if (outfilename != NULL) { |
| 671 | if ((fp = fopen(outfilename, WRITE_BINARY)) == NULL) { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 672 | fprintf(stderr, "%s: can't open %s for writing\n", progname, |
| 673 | outfilename); |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 674 | return EXIT_FAILURE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 675 | } |
| 676 | } else { |
| 677 | /* default output file is stdout */ |
| 678 | fp = write_stdout(); |
| 679 | } |
| 680 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 681 | /* Adjust default compression parameters by re-parsing the options */ |
| 682 | file_index = parse_switches(&dstinfo, argc, argv, 0, TRUE); |
| 683 | |
| 684 | /* Specify data destination for compression */ |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 685 | jpeg_stdio_dest(&dstinfo, fp); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 686 | |
| 687 | /* Start compressor (note no image data is actually written here) */ |
| 688 | jpeg_write_coefficients(&dstinfo, dst_coef_arrays); |
| 689 | |
| 690 | /* Copy to the output file any extra markers that we want to preserve */ |
| 691 | jcopy_markers_execute(&srcinfo, &dstinfo, copyoption); |
| 692 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 693 | if (icc_profile != NULL) |
| 694 | jpeg_write_icc_profile(&dstinfo, icc_profile, (unsigned int)icc_len); |
| 695 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 696 | /* Execute image transformation, if any */ |
| 697 | #if TRANSFORMS_SUPPORTED |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 698 | jtransform_execute_transformation(&srcinfo, &dstinfo, src_coef_arrays, |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 699 | &transformoption); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 700 | #endif |
| 701 | |
| 702 | /* Finish compression and release memory */ |
| 703 | jpeg_finish_compress(&dstinfo); |
| 704 | jpeg_destroy_compress(&dstinfo); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 705 | #if TRANSFORMS_SUPPORTED |
| 706 | if (dropfilename != NULL) { |
| 707 | (void)jpeg_finish_decompress(&dropinfo); |
| 708 | jpeg_destroy_decompress(&dropinfo); |
| 709 | } |
| 710 | #endif |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 711 | (void)jpeg_finish_decompress(&srcinfo); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 712 | jpeg_destroy_decompress(&srcinfo); |
| 713 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 714 | /* Close output file, if we opened it */ |
| 715 | if (fp != stdout) |
| 716 | fclose(fp); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 717 | #if TRANSFORMS_SUPPORTED |
| 718 | if (drop_file != NULL) |
| 719 | fclose(drop_file); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 720 | #endif |
| 721 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 722 | if (report) |
| 723 | end_progress_monitor((j_common_ptr)&dstinfo); |
| 724 | if (report || max_scans != 0) |
| 725 | end_progress_monitor((j_common_ptr)&srcinfo); |
| 726 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 727 | free(icc_profile); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 728 | |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 729 | /* All done. */ |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 730 | #if TRANSFORMS_SUPPORTED |
| 731 | if (dropfilename != NULL) |
| 732 | return (jsrcerr.num_warnings + jdroperr.num_warnings + |
| 733 | jdsterr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); |
| 734 | #endif |
Jonathan Wright | dc4d6f9 | 2020-06-23 12:35:48 +0100 | [diff] [blame] | 735 | return (jsrcerr.num_warnings + jdsterr.num_warnings ? |
| 736 | EXIT_WARNING : EXIT_SUCCESS); |
hbono@chromium.org | f0c4f33 | 2010-11-01 05:14:55 +0000 | [diff] [blame] | 737 | } |