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2016年7月13日x2652.0版本更新。

链接：

主要提升了一些汇编优化

x265 version 2.0 has been released. This release supports many new features

as well as support for ARM assembly optimizations for most basic pixel and ME operations, as well as SAO cleanups and a fully tested reconfigure functionality.

- uhd-bd: Enable Ultra-HD Bluray support

   - rskip: Enables skipping recursion to analyze lower CU sizes using    heuristics at different rd-levels. Provides good visual quality gains at    the highest quality presets.    - rc-grain: Enables a new ratecontrol mode specifically for grainy    content. Strictly prevents QP oscillations within and between frames to    avoid grain fluctuations.    - tune grain: A fully refactored and improved option to encode film    grain content including QP control as well as analysis options.    - asm: ARM assembly is now enabled by default, native or cross compiled    builds supported on armv6 and later systems. - x265_rc_stats added to x265_picture, containing all RC decision points    for that frame    - PTL: high tier is now allowed by default, chosen only if necessary    - multi-pass: First pass now uses slow-firstpass by default, enabling    better RC decisions in future passes    - pools: fix behaviour on multi-socketed Windows systems, provide more    flexibility in determining thread and pool counts    - ABR: improve bits allocation in the first few frames, abr reset, vbv    and cutree improved

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