This release crashes in libheif tests: https://bitbucket.org/multicoreware/x265_git/issues/952/crash-in-libheif-tests
On 9/13/24 16:43, Karam Singh wrote: > The v4.0 release of x265 is out now. Below is the list of new features, > optimization, and bug fixes in this version. > > > Version 4.0 > =========== > > New feature > ----------- > 1. Alpha Channel feature. > 2. Screen Content Coding (SCC). > 3. MV-HEVC feature. > > Enhancements to existing features > --------------------------------- > 1. Added support for the VMAF v3.x. > > API changes > ----------- > 1. Add command line parameter for Alpha Channel feature :option:`--alpha`. > 2. Add command line parameter for SCC feature :option:`--scc 1`. > 3. Add command line parameters for the MV-HEVC feature > :option:`--multiview-config "multiview_config.txt"`. > > Optimizations > --------------------- > 1. Arm SIMD optimizations: Several time-consuming scalar C functions now > have SIMD implementations on Arm platforms. Existing Arm SIMD > implementations have also been optimized. These optimizations result in > up to 57% faster encoding compared to release 3.6. > 2. Arm SIMD optimizations include use of Armv8.4 DotProd, Armv8.6 I8MM, > and Armv9 SVE2 instruction set extensions. The following algorithms now > have optimized SIMD implementations: SAD, SSE, DCT, SAO, convolution, > quantization, intra_planar, intraFilter, intrapred DC and IDCT16x16. > > Bug fixes > --------- > 1. Fix for y4m pipe input broken. > 2. Fix SCC crash on multipass encode. > 3. Fix mcstf when :option:`--bframes` value was less than 5. > 4. Fix lowpass DCT for high bit depth. > 5. Added build support for Visual Studio 17. > 6. Fix issue in default code flow and memory leak. > 7. Framethreads tuning for Windows ARM devices. > 8. Fix scc crash on multipass encode. > > Thanks & Regrds, > > Karam Singh > > *__________________________* > *Karam Singh* > *Ph.D. IIT Guwahati* > Senior Software (Video Coding) Engineer > Mobile: +91 8011279030 > Block 9A, 6th floor, DLF Cyber City > Manapakkam, Chennai 600 089 > > _______________________________________________ > x265-devel mailing list > x265-devel@videolan.org > https://mailman.videolan.org/listinfo/x265-devel _______________________________________________ x265-devel mailing list x265-devel@videolan.org https://mailman.videolan.org/listinfo/x265-devel
