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Open source
Win2k / Win95 / Win98 / WinME / WinNT / WinXP
x264 is a free software for creating H.264/AVC video streams. x264 is one of the most advanced publicly available AVC encoders. It is also the only publicly available High Profile AVC encoder.

It supports:

CABAC and CAVLC
Multiple reference frames
All intra-predicted macroblock types (16x16, 8x8 and 4x4 -- 8x8 is part of AVC High Profile)
All P-frame inter-predicted macroblock types
B-Inter-predicted macroblock types from 16x16 down to 8x8
Rate Distortion Optimization
Multiple ratecontrol modes: Constant Quantizer, Single or Multipass ABR with the option of VBV
Scene cut detection
Adaptive B-frame placement, with the option of keeping B-frames as references
Lossless mode (High Profile)
Custom quantization matrices (High Profile)
Free Download
x264 full rev. 2334Filesize: 11.67 MB

Other editions:

Keywords:
x264 codec encode encoding h264 avc high

License type Open source1
Author's homepage Visit the author's site
Date added 21 May 2013
Downloads 55341
File size 11.67 MB (< 2min @ 1Mbps)
Operating systems Win2k / Win95 / Win98 / WinME / WinNT / WinXP1

1License and operating system information is based on latest version of the software.

x264 full rev. 2334(Latest stable version) 21 May 2013
x264 full rev. 2310 06 May 2013
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x264 full rev. 1510

Although it does not include Win 7 in the supported OSes I tried to install it but it just sort of blinked and exited. Has anyone managed to run it under Win 7? Any plans to support this OS?

It would be a major pain to go move to an older pc with Win XP !

x264 full rev. 1332

I don't get why the guy above would use its active development as a con, to me that is great. <img src="http://releasebytes.net/smiley" />

x264 full rev. 1088

I love this codec!!! <br/> <br/>But DAMNNNNNNN It's updated atlot and often. <br/> <br/>XviD is no way near as good as x264, yes you can encode in XviD faster but i just don't care i'm never making a XviD rip again. <br/> <br/>I just start to encode with x264 before i go to bed so the time don't bother me as i never really see how long it takes.

x264 full rev. 957

Finest encoder ever created. Slow (not for long!), but worth it.

x264 full rev. 669

This is an excellent library! You can encode in DVD quality at a fraction of the size. Only downside is that it requires a lot of CPU power.