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| 1 libjpeg-turbo note: This file is mostly taken from the libjpeg v8b README | 1 libjpeg-turbo note: This file contains portions of the libjpeg v6b and v8 |
| 2 file, and it is included only for reference. Some parts of it may not apply to | 2 README files, with additional wordsmithing by The libjpeg-turbo Project. |
| 3 libjpeg-turbo. Please see README-turbo.txt for information specific to the | 3 It is included only for reference, as some parts of it may not apply to |
| 4 turbo version. | 4 libjpeg-turbo. Please see README-turbo.txt for information specific to |
| 5 libjpeg-turbo. |
| 5 | 6 |
| 6 | 7 |
| 7 The Independent JPEG Group's JPEG software | 8 The Independent JPEG Group's JPEG software |
| 8 ========================================== | 9 ========================================== |
| 9 | 10 |
| 10 This distribution contains a release of the Independent JPEG Group's free JPEG | 11 This distribution contains a release of the Independent JPEG Group's free JPEG |
| 11 software. You are welcome to redistribute this software and to use it for any | 12 software. You are welcome to redistribute this software and to use it for any |
| 12 purpose, subject to the conditions under LEGAL ISSUES, below. | 13 purpose, subject to the conditions under LEGAL ISSUES, below. |
| 13 | 14 |
| 14 This software is the work of Tom Lane, Guido Vollbeding, Philip Gladstone, | 15 This software is the work of Tom Lane, Guido Vollbeding, Philip Gladstone, |
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| 249 Although IJG's own code does not support TIFF/JPEG, the free libtiff library | 250 Although IJG's own code does not support TIFF/JPEG, the free libtiff library |
| 250 uses our library to implement TIFF/JPEG per the Note. | 251 uses our library to implement TIFF/JPEG per the Note. |
| 251 | 252 |
| 252 | 253 |
| 253 ARCHIVE LOCATIONS | 254 ARCHIVE LOCATIONS |
| 254 ================= | 255 ================= |
| 255 | 256 |
| 256 The "official" archive site for this software is www.ijg.org. | 257 The "official" archive site for this software is www.ijg.org. |
| 257 The most recent released version can always be found there in | 258 The most recent released version can always be found there in |
| 258 directory "files". This particular version will be archived as | 259 directory "files". This particular version will be archived as |
| 259 http://www.ijg.org/files/jpegsrc.v8b.tar.gz, and in Windows-compatible | 260 http://www.ijg.org/files/jpegsrc.v8d.tar.gz, and in Windows-compatible |
| 260 "zip" archive format as http://www.ijg.org/files/jpegsr8b.zip. | 261 "zip" archive format as http://www.ijg.org/files/jpegsr8d.zip. |
| 261 | 262 |
| 262 The JPEG FAQ (Frequently Asked Questions) article is a source of some | 263 The JPEG FAQ (Frequently Asked Questions) article is a source of some |
| 263 general information about JPEG. | 264 general information about JPEG. |
| 264 It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/ | 265 It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/ |
| 265 and other news.answers archive sites, including the official news.answers | 266 and other news.answers archive sites, including the official news.answers |
| 266 archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/. | 267 archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/. |
| 267 If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu | 268 If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu |
| 268 with body | 269 with body |
| 269 send usenet/news.answers/jpeg-faq/part1 | 270 send usenet/news.answers/jpeg-faq/part1 |
| 270 send usenet/news.answers/jpeg-faq/part2 | 271 send usenet/news.answers/jpeg-faq/part2 |
| 271 | 272 |
| 272 | 273 |
| 273 FILE FORMAT WARS | 274 FILE FORMAT WARS |
| 274 ================ | 275 ================ |
| 275 | 276 |
| 276 The ISO JPEG standards committee actually promotes different formats like | 277 The ISO JPEG standards committee actually promotes different formats like |
| 277 "JPEG 2000" or "JPEG XR", which are incompatible with original DCT-based | 278 "JPEG 2000" or "JPEG XR", which are incompatible with original DCT-based |
| 278 JPEG. IJG therefore does not support these formats (see REFERENCES). Indeed, | 279 JPEG. IJG therefore does not support these formats (see REFERENCES). Indeed, |
| 279 one of the original reasons for developing this free software was to help | 280 one of the original reasons for developing this free software was to help |
| 280 force convergence on common, interoperable format standards for JPEG files. | 281 force convergence on common, interoperable format standards for JPEG files. |
| 281 Don't use an incompatible file format! | 282 Don't use an incompatible file format! |
| 282 (In any case, our decoder will remain capable of reading existing JPEG | 283 (In any case, our decoder will remain capable of reading existing JPEG |
| 283 image files indefinitely.) | 284 image files indefinitely.) |
| 284 | 285 |
| 285 | 286 |
| 286 TO DO | 287 TO DO |
| 287 ===== | 288 ===== |
| 288 | 289 |
| 289 Please send bug reports, offers of help, etc. to jpeg-info@uc.ag. | 290 Please send bug reports, offers of help, etc. to jpeg-info@jpegclub.org. |
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