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x264 Video Codec Icon

x264 is a free library for encoding H264/AVC video streams.

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x264 Video CodecOverview

x264 is a free library for encoding H264/AVC video streams.

The code is written from scratch by Laurent Aimar, Loren Merritt, Eric Petit (OS X), Min Chen (vfw/asm), Justin Clay (vfw), Måns Rullgård, Radek Czyz, Christian Heine (asm), Alex Izvorski, Alex Wright and Jason Garrett-Glaser.

It is released under the terms of the GNU GPL.

-Development status
-Encoder features
-8x8 and 4x4 adaptive spatial transform
-Adaptive B-Frame placement
-B-frames as references / arbitrary frame order
-CAVLC/CABAC Entropy coding
-Custom quantization matrices
-Intra: all macroblock types (16x16, 8x8, 4x4, and PCM with all predictions)
-Inter P: all partitions (from 16x16 down to 4x4)
-Inter B: partitions from 16x16 down to 8x8 (including skip/direct)
-Interlacing (MBAFF)
-Multiple reference frames
-Ratecontrol: constant quantizer, constant quality, single or MultiPass ABR, optional VBV
-Scenecut detection
-Spatial and temporal direct mode in B-frames, adaptive mode selection
-Parallel encoding on multiple CPUs
-Predictive lossless mode
-Psy optimizations for detail retention (adaptive quantization, psy-RD, psy-trellis)
-Zones for arbitrarily adjusting BitRate distribution.

New

Fixed some bugs.

x264 Video CodecTech Specs

Version
1698
Date
08.17.10
License
Free
Language
English
File Size
6.45MB
Category
SubCategory
Operating Systems
Windows XP, 2000, 98
System Requirements
No additional system requirements.

x264 Video CodecPrevious Versions

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