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

[Terje J. Hanssen]

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

  *

    ...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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