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