About SIF1 video codec
SIF1 - is a free universal video codec. It's a multimedia compressor/decompressor which registers into Windows collection of multimedia drivers and integrates into any application using DirectShow and Microsoft Video for...
SIF1 - is a free universal video codec. It's a multimedia compressor/decompressor which registers into Windows collection of multimedia drivers and integrates into any application using DirectShow and Microsoft Video for Windows. It's based on the original proprietary algorithm of compression.
Background.
The SIF1 project was launched in the autumn of 2000, with the major goal of finding new approaches for video compression. We developed a new class of algorithms for image compression. Its working title is "SIF-transform".
This class of algorithms occupies the intermediate position between traditional algorithms and algorithms that divide source image in set of objects. In SIF-similar codecs, compression is put into effect at the expense of image to the set of basic elements - resampling patterns. During several years, we worked on different compression engines based on SIF transform. The sixth compression core was found to be the best basis for realizing the new codec. But that engine is just simplified prototype, on which practical realization of this new technology of compression is perfecting.
SIF1 codec is based on the SIFcore6 and several algorithms that increase the efficiency of moving image compression.
Previous Versions
Here you can find the changelog of SIF1 video codec since it was posted on our website on 2015-04-27 03:00:00.
The latest version is 1.20 and it was updated on 2024-04-23 08:24:39. See below the changes in each version.
SIF1 video codec version 1.20
Updated At: 2011-07-08
Changes: Motion detection engine was restructured and optimized for multithreaded operation (up to 32 threads).
Added multithreaded modes of an entropy codec operation (up to 8 threads).
New PsyRD extrapolation engine, used in the motion detection engine, is written.
Disclaimer
External Download
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