<div dir="ltr">

<div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial">Hi all,</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial">x265 version 2.8 is now out! The key new improvements include support for AVX-512 assembly, VMAF for objective quality measurement of a video sequence and dynamic refinement for switching between different inter refine levels.</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial">The tarball of this release can be downloaded from<span> <</span><span style="font-size:small"><a href="https://bitbucket.org/multicoreware/x265/downloads/x265_2.8.tar.gz">https://bitbucket.org/multicoreware/x265/downloads/x265_2.8.tar.gz</a>>.</span></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><span style="font-size:small"><br></span></div><div style="text-align:start;text-indent:0px;text-decoration-style:initial;text-decoration-color:initial"><div>Release date - 21/05/2018<br></div><div><br></div><div>

<div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">Version 2.8</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">===========</div>

</div><div><br></div><div>New features</div><div>------------------</div><div>1. :option:`--asm avx512` used to enable AVX-512 in x265. Default disabled.<span style="white-space:pre">   </span></div><div>    For 4K main10 high-quality encoding, we are seeing good gains; for other resolutions and presets, we don't recommend using this setting for now.</div><div><br></div><div>2. :option:`--dynamic-refine` dynamically switches between different inter refine levels. Default disabled.</div><div>    It is recommended to use :option:`--refine-intra 4' with dynamic refinement for a better trade-off between encode efficiency and performance than using static refinement.</div><div><br></div><div>3. :option:`--single-sei`</div><div>    Encode SEI messages in a single NAL unit instead of multiple NAL units. Default disabled. </div><div><br></div><div>4. :option:`--max-ausize-factor` controls the maximum AU size defined in HEVC specification.</div><div>    It represents the percentage of maximum AU size used. Default is 1. </div><div><span style="white-space:pre">        </span>  </div><div>5. VMAF (Video Multi-Method Assessment Fusion)</div><div>   Added VMAF support for objective quality measurement of a video sequence. </div><div>   Enable cmake option ENABLE_LIBVMAF to report per frame and aggregate VMAF score. The frame level VMAF score does not include temporal scores.</div><div>   This is supported only on linux for now.</div><div> </div><div>Encoder enhancements</div><div>--------------------------------</div><div>1. Introduced refine-intra level 4 to improve quality. </div><div>2. Support for HLG-graded content and pic_struct in SEI message.</div><div><br></div><div>Bug Fixes</div><div>-------------</div><div>1. Fix 32 bit build error (using CMAKE GUI) in Linux.</div><div>2. Fix 32 bit build error for asm primitives.</div><div>3. Fix build error on mac OS.</div><div>4. Fix VBV lookahead in analysis load to achieve target bit-rate.</div><div><br></div><div>

<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255);float:none;display:inline">x265-devel mailing list</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255)"><a href="mailto:x265-devel@videolan.org" target="_blank" style="color:rgb(17,85,204);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">x265-devel@videolan.org</a><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255)"><a href="https://mailman.videolan.org/listinfo/x265-devel" rel="noreferrer" target="_blank" style="color:rgb(17,85,204);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">https://mailman.videolan.org/l<wbr>istinfo/x265-devel</a>

<br></div></div></div>