A free library for encoding H264 or AVC video streams for PC

x264 Video Codec (64-bit)

March, 23rd 2024 - 18.1 MB - Open Source

Free Download

Security Status

Latest Version

x264 Video Codec r3190 (64-bit) LATEST
Review by

Sophia Jones
Operating System

Windows Vista64 / Windows 7 64 / Windows 8 64 / Windows 10 64
User Rating

Click to vote
Author / Product

VideoLAN team / External Link
Filename

x264-r3190-7ed753b.exe

x264 Video Codec 64-bit 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.

Provides best-in-class performance, compression, and features. Achieves dramatic performance, encoding 4 or more 1080p streams in realtime on a single consumer-level computer. Gives the best quality, having the most advanced psychovisual optimizations. Support features necessary for many different applications, such as television broadcast, Blu-ray low-latency video applications, and web video. x264 Video Codec 64-bit forms the core of many web video services, such as Youtube, Facebook, Vimeo, and Hulu. It is widely used by television broadcasters and ISPs.

Features and Highlights

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
Rate control: constant quantizer, constant quality, single or multipass ABR, optional VBV
Scene cut detection
A 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