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Distribution.xml.in | D | 12-May-2024 | 632 | 25 | 24 | |
License.rtf | D | 12-May-2024 | 2.1 KiB | 20 | 19 | |
ReadMe.txt | D | 12-May-2024 | 1.3 KiB | 6 | 3 | |
Welcome.rtf | D | 12-May-2024 | 648 | 17 | 14 | |
deb-control.in | D | 12-May-2024 | 1.6 KiB | 32 | 31 | |
installer.nsi.in | D | 12-May-2024 | 6.2 KiB | 192 | 178 | |
libjpeg.pc.in | D | 12-May-2024 | 299 | 11 | 9 | |
libturbojpeg.pc.in | D | 12-May-2024 | 311 | 11 | 9 | |
makecygwinpkg.in | D | 12-May-2024 | 1.2 KiB | 67 | 57 | |
makedpkg.in | D | 12-May-2024 | 2.2 KiB | 116 | 98 | |
makemacpkg.in | D | 12-May-2024 | 7.6 KiB | 285 | 255 | |
makerpm.in | D | 12-May-2024 | 591 | 31 | 23 | |
makesrpm.in | D | 12-May-2024 | 915 | 49 | 35 | |
maketarball.in | D | 12-May-2024 | 1.1 KiB | 52 | 42 | |
rpm.spec.in | D | 12-May-2024 | 6.7 KiB | 222 | 201 | |
uninstall.in | D | 12-May-2024 | 3.6 KiB | 114 | 103 |
ReadMe.txt
1libjpeg-turbo is a JPEG image codec that uses SIMD instructions to accelerate baseline JPEG compression and decompression on x86, x86-64, ARM, PowerPC, and MIPS systems, as well as progressive JPEG compression on x86 and x86-64 systems. On such systems, libjpeg-turbo is generally 2-6x as fast as libjpeg, all else being equal. On other types of systems, libjpeg-turbo can still outperform libjpeg by a significant amount, by virtue of its highly-optimized Huffman coding routines. In many cases, the performance of libjpeg-turbo rivals that of proprietary high-speed JPEG codecs. 2 3libjpeg-turbo implements both the traditional libjpeg API as well as the less powerful but more straightforward TurboJPEG API. libjpeg-turbo also features colorspace extensions that allow it to compress from/decompress to 32-bit and big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java interface. 4 5libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated derivative of libjpeg v6b developed by Miyasaka Masaru. The TigerVNC and VirtualGL projects made numerous enhancements to the codec in 2009, and in early 2010, libjpeg-turbo spun off into an independent project, with the goal of making high-speed JPEG compression/decompression technology available to a broader range of users and developers. 6