Blog

v3.5 is out!

Check out our recent release v3.5 for real-time 2-pass VBV, improved scenecut handling, and other critical bug fixes.Do check our release notes for more details and download the version here  Happy compressing!

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Faster ARM64 encodes using x265

x265 contains a significant amount assembly optimization for its compute kernels which enables speed-ups of the order of 5X when compared to the running pure C-code. While the support for the x86 architecture is extensive (there exist kernels right from SSSE3 all the way until AVX512), support for other architectures such as ARM is limited. […]

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v3.4 is released!

Version 3.4 of x265 is out with cool new features to automate the generation of efficient ABR-ladder, speedy ARM64 encodes and improved 2-pass. The complete feature list and the associated performance numbers is available in our release notes. The release can be downloaded here. Happy compressing!

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All new v3.3!

Version 3.4 of x265 is out with cool new features to automate the generation of efficient ABR-ladder, speedy ARM64 encodes and improved 2-pass. The complete feature list and the associated performance numbers is available in our release notes. The release can be downloaded here. Happy compressing!!

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v3.2 is out!

Version 3.2 of x265 is now out! It comes with cool feature additions including hierarchical motion estimation, selective SAO, and Edge-based AQ. Get this version from our downloads page and do check out the release notes for more details. Happy compressing!!

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x265 version 3.1 is out!

x265 version 3.1 is out with attractive performance and quality improvements. The key new additions include integration of SVT-HEVC library into the x265 library, improved support for interlaced encoding, and better encoder control to ensure correct rendering of HDR content. Check out our release notes at https://x265.readthedocs.io/en/3.1/releasenotes.html for more details. Happy compressing!

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The revamped “veryslow” and “slower” presets of x265 Encoder ver. 3.0

By  Praveen Kumar Karadugattu and Kalyan Goswami   In the x265 Encoder ver 3.0, the default parameters for “veryslow” and “slower” presets are changed. In this blog we will discuss this modification in detail. The all new ‘veryslow’ Preset The “veryslow” preset is one of the most preferred presets by the offline encoding vendors, where […]

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x265 and SVT-HEVC in the same house

With changeset a41325fc854f, the x265 library can invoke the SVT-HEVC library for encoding through the —svt option. We have mapped presets and command-line options supported by the x265 application into the equivalent options of SVT-HEVC, and have added a few specific options that are available only when the SVT-HEVC library is invoked. This page in […]

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v3.0 is now out!

We are happy to announce now have version 3.0 of x265. The main focus of this version is to improve the quality, especially for the ‘veryslow’ and ‘slower’ presets. Moreover, Dolbyvision is included in this version. The detail description of all the new features and releases is available in our release notes.

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x265 delivers Dolby Vision streams!

 By Aruna Matheswaran & Kirithika Kalirathnam Dolby Vision transforms the way you experience movies, TV shows, and games with incredible brightness, contrast, and color that bring entertainment to life before your eyes. By fully leveraging the maximum potential of new cinema projection technology and new TVs’ display capabilities, Dolby Vision delivers high-dynamic-range (HDR) and wide-color-gamut content. Dolby […]

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