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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » System
libjpeg-turbo-1.1.1
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Dingo


Joined: 11 Dec 2007
Posts: 1398
Location: somewhere at the end of rainbow...
PostPosted: Sat 04 Jun 2011, 11:44    Post subject:  libjpeg-turbo-1.1.1
Subject description: a derivative of libjpeg		  
libjpeg-turbo-1.1.1-i486.pet (compiled in Puppy 3.01)
http://dokupuppylinux.co.cc/programs:libraries#libjpeg-turbo-111
- http://www.libjpeg-turbo.org/

this package has libs and dev.libs both

included: binaries:

cjpeg
djpeg
jpegtran
jpgtest
rdjpgcom
wrjpgcom

libs:

libjpeg.a
libjpeg.la
libjpeg.so
libjpeg.so.62
libjpeg.so.62.0.0
libturbojpeg.a
libturbojpeg.la
libturbojpeg.so
Quote:
libjpeg-turbo is a derivative of libjpeg which uses SIMD instructions (MMX, SSE2, etc.) to accelerate baseline JPEG compression and decompression on x86 and x86-64 systems. On such systems, libjpeg-turbo is generally 2-4x as fast as the unmodified version of libjpeg, all else being equal.

libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but the TigerVNC and VirtualGL projects made numerous enhancements to the codec in 2009, including improved support for Mac OS X, 64-bit support, support for 32-bit and big endian pixel formats (RGBX, XBGR, etc.), accelerated Huffman encoding/decoding, and various bug fixes. The goal was to produce a fully open source codec that could replace the partially closed source TurboJPEG/IPP codec used by VirtualGL and TurboVNC. libjpeg-turbo generally achieves 80-120% of the performance of TurboJPEG/IPP. It is faster in some areas but slower in others.

In early 2010, libjpeg-turbo spun off into its own independent project, with the goal of making high-speed JPEG compression/decompression technology available to a broader range of users and developers.

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