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x264 Video Codec for Windows

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Editors’ Review

Download.com staff
x264 Video Codec is a free, open-source library for efficient H.264/AVC video encoding, offering advanced features and extensive customization for developers.

  • Pros

    • Supports CAVLC and CABAC entropy coding.
    • Advanced intra and inter prediction modes.
    • Flexible rate control options including ABR and constant quantizer.
    • Adaptive B-frame placement and referencing.
    • Parallel encoding of multiple slices for performance.

  • Cons

    • Lossless mode requires specific implementation.
    • Inter B-frame partitions limited to 8x8.
    • No mention of hardware acceleration support.
    • Requires developer integration as a library.
Icon of program: x264 Video Codec

x264 Video Codec for Windows

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Used x264 Video Codec for Windows?

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Full Specifications

GENERAL
Release
Latest update
Version
2208
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows 10
  • Windows XP
  • Windows Vista
  • Windows 95
  • Windows 2000
  • Windows 98
  • Windows NT
  • Windows ME
Additional Requirements
None
POPULARITY
Total Downloads
149,603
Downloads Last Week
4
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Last Updated

User Reviews

5/5

1 User Votes

Developer’s Description

By x264
Encode video streams in a video library.
x264 Video Codec is a free library for encoding H264 or AVC video streams. The code is written from scratch by Laurent Aimar, Loren Merritt, Eric Petit(OS X), Min Chen (vfw or asm), Justin Clay(vfw), Mans Rullgard, Christian Heine (asm), and Alex Izvorski (asm). Some key features include CAVLC or CABAC, Multi-references, Intra: all macroblock types (16x16, 8x8, and 4x4 with all predictions), Inter P: all partitions (from 16x16 down to 4x4), Inter B: partitions from 16x16 down to 8x8 (including skip or direct), Rate control: optional VBV, single or multipass ABR, constant quantizer, Scene cut detection, Adaptive B-frame placement, B-frames as references or arbitrary frame order, 8x8, and 4x4 adaptive spatial transform, loss-less mode, custom quantization matrices, parallel encoding of multiple slices, and interlacing.
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