[Cin] New SVT-AV1 release: v2.3.0 from AOM

[Andrew Randrianasulu]

чт, 31 окт. 2024 г., 18:43 Terje J. Hanssen via Cin <
cin at 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 .....



>    -
>
>    -
>
>    ...and more
>
> https://gitlab.com/AOMediaCodec/SVT-AV1/-/releases/v2.3.0#230---2024-10-28
>
>
> https://gitlab.com/AOMediaCodec/SVT-AV1/-/blob/master/README.md?ref_type=heads
>
>
>
>
>
> --
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> Cin at lists.cinelerra-gg.org
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>
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