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                 data => {
 203                         jpeg => '65k²',  # 2**16
 204                         png  => '2G²',   # 2**31
 205                         jp2k => '4G²',   # 2**32
 206                         webp => '16k²',  # 2**14
 207                         heic => '8k×4k+', # 2**13
 208                         avif => '8k×4k+',
 209                         jxl  => '1G²',   # 2**30
 210                 },
 211         },
 212         max_bitdepth => {
 213                 name => 'precision (max. bit depth)',
 214                 data => {
 215                         jpeg => 8,
 216                         png  => 16,
 217                         jp2k => 38,
 218                         webp => 8,
 219                         heic => 10,
 220                         avif => 10,
 221                         jxl  => 32,
 222                 },
 223         },
 224         color_444 => {
 225                 name => 'can do (lossy) 4:4:4',
 226                 score => {
 227                         jpeg => 'y',
 228                         png  => 'y',
 229                         jp2k => 'y',
 230                         webp => 'n',
 231                         heic => 'n',
 232                         avif => 'y',
 233                         jxl  => 'y',
 234                 },
 235         },
 236         hdr => {
 237                 name => 'wide gamut/HDR',
 238                 score => {
 239                         jpeg => 'n',
 240                         png  => 'y',
 241                         jp2k => 'y',
 242                         webp => 'n',
 243                         heic => 'y',
 244                         avif => 'y',
 245                         jxl  => 'y',
 246                 },
 247         },
 248         max_channels => {
 249                 name => 'maximum number of channels',
 250                 data => {
 251                         jpeg => 4, # cmyk
 252                         png  => 4, # cmyk
 253                         jp2k => 2**15,
 254                         webp => 4,
 255                         heic => 5,
 256                         avif => 5,
 257                         jxl  => 4099,
 258                 },
 259         },
 260         features => {
 261                 score => {
 262                         jpeg => 2,
 263                         png  => 3,
 264                         jp2k => 4,
 265                         webp => 2,
 266                         heic => 4,
 267                         avif => 4,
 268                         jxl  => 5,
 269                 },
 270         },
 271         animation => {
 272                 name => 'supports animation',
 273                 score => {
 274                         jpeg => 'n',
 275                         png  => 'y',
 276                         jp2k => 'n',
 277                         webp => 'y',
 278                         heic => 'y',
 279                         avif => 'y',
 280                         jxl  => 'y',
 281                 },
 282                 data => {
 283                         jpeg => 'MJPEG',
 284                         png  => 'APNG',
 285                         jp2k => 'MJP2',
 286                 },
 287         },
 288         progressive => {
 289                 name => 'progressive decoding',
 290                 score => {
 291                         jpeg => 4,
 292                         png  => 2,
 293                         jp2k => 5,
 294                         webp => 'n',
 295                         heic => 'n',
 296                         avif => 'n',
 297                         jxl  => 5,
 298                 },
 299         },
 300         alpha => {
 301                 name => 'alpha transparency',
 302                 score => {
 303                         jpeg => 'n',
 304                         png  => 'y',
 305                         jp2k => 'y',
 306                         webp => 'y',
 307                         heic => 'y',
 308                         avif => 'y',
 309                         jxl  => 'y',
 310                 },
 311         },
 312         depthmap => {
 313                 name => 'depth map',
 314                 score => {
 315                         jpeg => 'n',
 316                         png  => 'n',
 317                         jp2k => 'n',
 318                         webp => 'n',
 319                         heic => 'y',
 320                         avif => 'y',
 321                         jxl  => 'y',
 322                 },
 323         },
 324         overlays => {
 325                 name => 'overlays',
 326                 score => {
 327                         jpeg => 'n',
 328                         png  => 'n',
 329                         jp2k => 'n',
 330                         webp => 'n',
 331                         heic => 'y',
 332                         avif => 'y',
 333                         jxl  => 'y',
 334                 },
 335         },
 336         authoring => {
 337                 name => 'authoring workflow suitability',
 338                 score => {
 339                         jpeg => 2,
 340                         png  => 3,
 341                         jp2k => 3,
 342                         webp => 2,
 343                         heic => 2,
 344                         avif => 2,
 345                         jxl  => 5,
 346                 },
 347         },
 348         reencode => {
 349                 name => 'generation loss resilience',
 350                 score => {
 351                         jpeg => 4,
 352                         png  => 'n/a',
 353                         jp2k => 3,
 354                         webp => 2,
 355                         heic => 3,
 356                         avif => 3,
 357                         jxl  => 4,
 358                 },
 359                 data => {
 360                         png  => 'n/a',
 361                 },
 362         },
 363         compat_jpeg => {
 364                 name => 'lossless JPEG recompression',
 365                 score => {
 366                         jpeg => 0,
 367                         png  => 'n',
 368                         jp2k => 'n',
 369                         webp => 'n',
 370                         heic => 'n',
 371                         avif => 'n',
 372                         jxl  => 'y',
 373                 },
 374                 data => {
 375                         jpeg => 'n/a',
 376                 },
 377         },
 378         royalties => {
 379                 name => 'royalty-free',
 380                 score => {
 381                         jpeg => 'y',
 382                         png  => 'y',
 383                         jp2k => 'y',
 384                         webp => 'y',
 385                         heic => 'n',
 386                         avif => 'y',
 387                         jxl  => 'y',
 388                 },
 389         },
 390 },
 391 }