Built successfully the 2.3.0 version and checked into GIT and Andrey's package are in the process of building now. Ran 2 tests and all seems normal - it may be slightly faster and the file generated may be slightly smaller but it is too hard to tell with my simple tests. Thank you Terje for the notify of the new version.

On Thu, Oct 31, 2024 at 2:24 PM Andrew Randrianasulu via Cin <cin@lists.cinelerra-gg.org> wrote:


чт, 31 окт. 2024 г., 18:43 Terje J. Hanssen via Cin <cin@lists.cinelerra-gg.org>:
As seen on reddit, the Alliance for Open Media - AOM has released SVT-AV1 v. 2.3.0
The Scalable Video Technology for AV1 (SVT-AV1 Encoder) is an AV1-compliant software encoder library.

  • NEW FAST DECODE MODE

  • New fast-decode (2) to allow for an average AV1 software cycle reduction of 25-50% vs fast-decode 0 with a 1-3% BD-Rate loss across the presets

  • Improved fast-decode (1) option to increase its AV1 software cycle reduction by ~10% while maintaining the same quality levels

  • Improved --lp settings for high resolutions, with CRF gaining a ~4% improvement in speed and VBR gaining ~15%

  • Further Arm-based optimizations improving the efficiency of previously written Arm-neon implementations by an average of 30%

  • Address speed regressions for high resolutions first pass encode by tuning the threading parameters, with 1080p showing the biggest gains

  • Enabled AVX512 by default in cmake allowing for ~2-4% speedup


I hope system-wide nasm installed on Phyllis's build systems will cope with that .....


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