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 Readme for:  Development » Library » Misc » libx264.lha

Libx264

Description: H.264/MPEG-4 AVC video compression library
Download: libx264.lha       (TIPS: Use the right click menu if your browser takes you back here all the time)
Size: 8Mb
Version: r164
Date: 20 Sep 23
Author: See AUTHORS file
Submitter: Michael Trebilcock
Homepage: http://www.videolan.org/developers/x264.html
Category: development/library/misc
Replaces: development/library/misc/libx264.lha
License: GPL
Distribute: yes
Min OS Version: 4.1
FileID: 12670
 
Comments: 2
Snapshots: 0
Videos: 0
Downloads:  (Current version)

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A third party patch has been applied to fix YUV422 encoding with altivec
instructions enabled
https://github.com/lu-zero/x264/pull/10/commits

Generic PPC and Altivec builds of the library are included in this archive.

Credits:

ktadd for testing the altivec build.
Fredrik Wikstrom for previous ports (<128).

http://www.videolan.org/developers/x264.html

x264 is a free software library and application for encoding video streams into
the H.264/MPEG-4 AVC compression format, and is released under the terms of the
GNU GPL.

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


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