Updated X265 library to version 4.0 was checked into GIT. It deserves more generic testing but I have encoded at least 4 files and decoded at least 3 by loading and playing. Thanks to Andrew, a patch to ffmpeg 7.0 was added to update x265 into a working set.
On Thu, Sep 26, 2024 at 2:58 AM Andrew Randrianasulu via Cin < [email protected]> wrote: > > https://bitbucket.org/multicoreware/x265_git/commits/6318f223684118a2c71f67f3f4633a9e35046b00 > > ====== > > Version 4.0 > > =========== > > Release date - 13th September, 2024. > > 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. > > ==== > > > I think only ffmpeg 7.1 (already branched) > > will have multiview (stereo?) HEVC decoding, not > > even sure how(if) it can be represented in cinelerras ... > > > Time to test, I guess. > > > -- > Cin mailing list > [email protected] > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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