<div dir="ltr">x265 version 1.9 has now been released. This release supports many new features as well as additional assembly optimizations for Main12, intra prediction and SAO. Recently added features lookahead-slices, limit-refs and limit-modes have been enabled by default in the supported presets.<br clear="all"><div><br></div><div><span style="font-size:12.8px">Full documentation is available at </span><a href="http://x265.readthedocs.org/en/1.7/" rel="noreferrer" style="font-size:12.8px" target="_blank">http://x265.readthedocs.org/en/stable/</a><br></div><div><br></div><div><div>========================================== New Features ==============================================<br></div><div><ul><li>Quant offsets: This feature allows block level quantization offsets to be specified for every frame. An API-only feature.</li><li>--intra-refresh: Keyframes can be replaced by a moving column of intra blocks in non-keyframes.<br></li><li>--limit-modes: Intelligently restricts mode analysis. </li><li>--max-luma and --min-luma for luma clipping, optional for HDR use-cases</li><li>Emergency denoising is now enabled by default in very low bitrate, VBV encodes</li></ul></div></div><div>=========================================== API Changes ==============================================</div><div><ul><li>x265_frame_stats returns many additional fields: maxCLL, maxFALL, residual energy, scenecut and latency logging<br></li><li>--qpfile now supports frametype 'K"</li><li>x265 now allows CRF ratecontrol in pass N (N greater than or equal to 2)</li><li>Chroma subsampling format YUV 4:0:0 is now fully supported and tested</li></ul></div><div>====================================== Presets and Performance ==========================================</div><div><ul><li>Recently added features lookahead-slices, limit-modes, limit-refs have been enabled by default for applicable presets.</li><li>The default psy-rd strength has been increased to 2.0</li><li>Multi-socket machines now use a single pool of threads that can work cross-socket.</li></ul></div><div><br></div>Thanks,<br><div><div dir="ltr"><div><div>Deepthi Nandakumar<br></div>Engineering Manager, x265<br></div>Multicoreware, Inc<br></div></div>
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