codec.inc.pl

   1 use utf8;
   2 +{
   3 codec => {
   4         jpeg => {
   5                 name => '<abbr title="Joint Photographic Experts Group">JPEG</abbr>',
   6                 available => 1992,
   7         },
   8         png => {
   9                 name => '<abbr title="Portable Network Graphics">PNG</abbr>',
  10                 available => 1996,
  11         },
  12         jp2k => {
  13                 name => 'JPEG 2000',
  14                 available => 2000,
  15         },
  16         webp => {
  17                 name => 'WebP',
  18                 available => 2010,
  19         },
  20         heic => {
  21                 name => '<abbr title="High Efficiency Image Container (HEVC in HEIF)">HEIC</abbr>',
  22                 available => 2015,
  23         },
  24         avif => {
  25                 name => '<abbr title="AV1 Image File Format">AVIF</abbr>',
  26                 available => 2019,
  27         },
  28         jxl => {
  29                 name => 'JPEG XL',
  30                 available => 2021,
  31         },
  32 },
  33 feature => {
  34         quality_photo => {
  35                 name => 'compression (photo)',
  36                 score => {
  37                         jpeg => 3,
  38                         png  => 1,
  39                         jp2k => 4,
  40                         webp => 3,
  41                         heic => 5,
  42                         avif => 5,
  43                         jxl  => 5,
  44                 },
  45         },
  46         quality_photo_1 => {
  47                 name => 'low fidelity',
  48                 score => {
  49                         jpeg => 2,
  50                         png  => 1,
  51                         jp2k => 3,
  52                         webp => 3,
  53                         heic => 5,
  54                         avif => 5,
  55                         jxl  => 4,
  56                 },
  57         },
  58         quality_photo_2 => {
  59                 name => 'medium fidelity',
  60                 score => {
  61                         jpeg => 3,
  62                         png  => 1,
  63                         jp2k => 4,
  64                         webp => 3,
  65                         heic => 4,
  66                         avif => 5,
  67                         jxl  => 5,
  68                 },
  69         },
  70         quality_photo_3 => {
  71                 name => 'high fidelity',
  72                 score => {
  73                         jpeg => 3,
  74                         png  => 2,
  75                         jp2k => 4,
  76                         webp => 2,
  77                         heic => 3,
  78                         avif => 4,
  79                         jxl  => 5,
  80                 },
  81         },
  82         quality_photo_ll => {
  83                 name => 'lossless',
  84                 score => {
  85                         jpeg => 1,
  86                         png  => 2,
  87                         jp2k => 4,
  88                         webp => 3,
  89                         heic => 3,
  90                         avif => 3,
  91                         jxl  => 5,
  92                 },
  93         },
  94         quality_art => {
  95                 name => 'compression (other images)',
  96                 score => {
  97                         jpeg => 2,
  98                         png  => 3,
  99                         jp2k => 2,
 100                         webp => 4,
 101                         heic => 3,
 102                         avif => 4.5,
 103                         jxl  => 5,
 104                 },
 105         },
 106         quality_art_2 => {
 107                 name => 'lossy non-photographic',
 108                 score => {
 109                         jpeg => 2,
 110                         png  => 3,
 111                         jp2k => 2,
 112                         webp => 4,
 113                         heic => 3,
 114                         avif => 5,
 115                         jxl  => 5,
 116                 },
 117         },
 118         quality_art_ll => {
 119                 name => 'lossless non-photographic',
 120                 score => {
 121                         jpeg => 1,
 122                         png  => 4,
 123                         jp2k => 2,
 124                         webp => 5,
 125                         heic => 2,
 126                         avif => 3,
 127                         jxl  => 5,
 128                 },
 129         },
 130         quality_art_mixed => {
 131                 name => 'mixed photo/nonphoto',
 132                 score => {
 133                         jpeg => 2,
 134                         png  => 2,
 135                         jp2k => 2,
 136                         webp => 3,
 137                         heic => 3,
 138                         avif => 5,
 139                         jxl  => 5,
 140                 },
 141         },
 142         speed => {
 143                 score => {
 144                         jpeg => 5,
 145                         png  => 4,
 146                         jp2k => 3,
 147                         webp => 4,
 148                         heic => 3,
 149                         avif => 3,
 150                         jxl  => 5,
 151                 },
 152         },
 153         speed_encode => {
 154                 name => 'single-core encode',
 155                 score => {
 156                         jpeg => 5,
 157                         png  => 3,
 158                         jp2k => 4,
 159                         webp => 4,
 160                         heic => 3,
 161                         avif => 2,
 162                         jxl  => 5,
 163                 },
 164         },
 165         speed_decode => {
 166                 name => 'single-core decode',
 167                 score => {
 168                         jpeg => 5,
 169                         png  => 5,
 170                         jp2k => 4,
 171                         webp => 5,
 172                         heic => 3,
 173                         avif => 3,
 174                         jxl  => 5,
 175                 },
 176         },
 177         speed_parallel => {
 178                 name => 'pararellizable',
 179                 score => {
 180                         jpeg => 2,
 181                         png  => 2,
 182                         jp2k => 4,
 183                         webp => 2,
 184                         heic => 4,
 185                         avif => 4,
 186                         jxl  => 5,
 187                 },
 188         },
 189         limits => {
 190                 score => {
 191                         jpeg => 3,
 192                         png  => 4,
 193                         jp2k => 5,
 194                         webp => 2,
 195                         heic => 4,
 196                         avif => 4.5,
 197                         jxl  => 5,
 198                 },
 199         },
 200         max_dimensions => {
 201                 name => 'maximum image dimensions',
 202                 score => {
 203                         jpeg => 3,
 204                         png  => 4,
 205                         jp2k => 5,
 206                         webp => 1,
 207                         heic => 2,
 208                         avif => 3,
 209                         jxl  => 4,
 210                 },
 211                 data => {
 212                         jpeg => '65k²',  # 2**16
 213                         png  => '2G²',   # 2**31
 214                         jp2k => '4G²',   # 2**32
 215                         webp => '16k²',  # 2**14
 216                         heic => '8k×4k+', # 8193x4320
 217                         avif => '65k²+',  # 2**16, 8193x4320 with profile
 218                         jxl  => '1G²',   # 2**30
 219                 },
 220         },
 221         max_bitdepth => {
 222                 name => 'precision (max. bit depth)',
 223                 score => {
 224                         jpeg => 2,
 225                         png  => 4,
 226                         jp2k => 5,
 227                         webp => 2,
 228                         heic => 3,
 229                         avif => 3,
 230                         jxl  => 5,
 231                 },
 232                 data => {
 233                         jpeg => 8,
 234                         png  => 16,
 235                         jp2k => 38,
 236                         webp => 8,
 237                         heic => 10,
 238                         avif => 10,
 239                         jxl  => 32,
 240                 },
 241         },
 242         color_444 => {
 243                 name => 'can do (lossy) 4:4:4',
 244                 score => {
 245                         jpeg => 'y',
 246                         png  => 'y',
 247                         jp2k => 'y',
 248                         webp => 'n',
 249                         heic => 'n',
 250                         avif => 'y',
 251                         jxl  => 'y',
 252                 },
 253         },
 254         hdr => {
 255                 name => 'wide gamut/HDR',
 256                 score => {
 257                         jpeg => 'n',
 258                         png  => 'y',
 259                         jp2k => 'y',
 260                         webp => 'n',
 261                         heic => 'y',
 262                         avif => 'y',
 263                         jxl  => 'y',
 264                 },
 265         },
 266         max_channels => {
 267                 name => 'maximum number of channels',
 268                 score => {
 269                         jpeg => 2,
 270                         png  => 2,
 271                         jp2k => 5,
 272                         webp => 2,
 273                         heic => 3,
 274                         avif => 3,
 275                         jxl  => 4,
 276                 },
 277                 data => {
 278                         jpeg => 4, # cmyk
 279                         png  => 4, # cmyk
 280                         jp2k => 2**15,
 281                         webp => 4,
 282                         heic => 5,
 283                         avif => 5,
 284                         jxl  => 4099,
 285                 },
 286         },
 287         features => {
 288                 score => {
 289                         jpeg => 2,
 290                         png  => 3,
 291                         jp2k => 4,
 292                         webp => 2,
 293                         heic => 4,
 294                         avif => 4,
 295                         jxl  => 5,
 296                 },
 297         },
 298         animation => {
 299                 name => 'supports animation',
 300                 score => {
 301                         jpeg => 2,
 302                         png  => 4,
 303                         jp2k => 2,
 304                         webp => 'y',
 305                         heic => 'y',
 306                         avif => 'y',
 307                         jxl  => 'y',
 308                 },
 309                 data => {
 310                         jpeg => 'MJPEG',
 311                         png  => 'APNG',
 312                         jp2k => 'MJP2',
 313                 },
 314         },
 315         progressive => {
 316                 name => 'progressive decoding',
 317                 score => {
 318                         jpeg => 4,
 319                         png  => 2,
 320                         jp2k => 5,
 321                         webp => 'n',
 322                         heic => 'n',
 323                         avif => 'n',
 324                         jxl  => 5,
 325                 },
 326         },
 327         alpha => {
 328                 name => 'alpha transparency',
 329                 score => {
 330                         jpeg => 'n',
 331                         png  => 'y',
 332                         jp2k => 'y',
 333                         webp => 'y',
 334                         heic => 'y',
 335                         avif => 'y',
 336                         jxl  => 'y',
 337                 },
 338         },
 339         depthmap => {
 340                 name => 'depth map',
 341                 score => {
 342                         jpeg => 'n',
 343                         png  => 'n',
 344                         jp2k => 'n',
 345                         webp => 'n',
 346                         heic => 'y',
 347                         avif => 'y',
 348                         jxl  => 'y',
 349                 },
 350         },
 351         overlays => {
 352                 name => 'overlays',
 353                 score => {
 354                         jpeg => 'n',
 355                         png  => 'n',
 356                         jp2k => 'n',
 357                         webp => 'n',
 358                         heic => 'y',
 359                         avif => 'y',
 360                         jxl  => 'y',
 361                 },
 362         },
 363         authoring => {
 364                 name => 'authoring workflow suitability',
 365                 score => {
 366                         jpeg => 2,
 367                         png  => 3,
 368                         jp2k => 3,
 369                         webp => 2,
 370                         heic => 2,
 371                         avif => 2,
 372                         jxl  => 5,
 373                 },
 374         },
 375         reencode => {
 376                 name => 'generation loss resilience',
 377                 score => {
 378                         jpeg => 4,
 379                         png  => 'n/a',
 380                         jp2k => 3,
 381                         webp => 2,
 382                         heic => 3,
 383                         avif => 3,
 384                         jxl  => 4,
 385                 },
 386                 data => {
 387                         png  => 'n/a',
 388                 },
 389         },
 390         compat_jpeg => {
 391                 name => 'lossless JPEG recompression',
 392                 score => {
 393                         jpeg => 0,
 394                         png  => 'n',
 395                         jp2k => 'n',
 396                         webp => 'n',
 397                         heic => 'n',
 398                         avif => 'n',
 399                         jxl  => 'y',
 400                 },
 401                 data => {
 402                         jpeg => 'n/a',
 403                 },
 404         },
 405         royalties => {
 406                 name => 'royalty-free',
 407                 score => {
 408                         jpeg => 5,
 409                         png  => 5,
 410                         gif  => 5, # patents expired
 411                         jp2k => 3, # specs not freely available
 412                         webp => 4, # submarine risk
 413                         heic => 'n', # patents enforced
 414                         avif => 4,
 415                         jxl  => 4,
 416                 },
 417         },
 418 },
 419 }