Intel's Open-Source SVT-AV1 v1.2 Video Encoder Released - More AVX2 Optimizations

Written by Michael Larabel in Multimedia on 3 August 2022 at 05:33 AM EDT. Add A Comment
MULTIMEDIA --
Earlier this year Intel released SVT-AV1 1.0 as a big update to this leading open-source AV1 video encoder. Since then they have not let up and now three months after v1.1, SVT-AV1 1.2 is now shipped as the latest update to this cross-platform, high performance AV1 encoder.

SVT-AV1 1.2 continues refining its presets, enhances its CBR mode, adds support for reference frame scaling, support for quantization matrices, TPL-based VBR mode improvements, improved TPL QP scaling, and more AVX2 optimization work. In SVT-AV1 1.2 the AVX2 optimizations are focused on the encoder's low-delay mode.

SVT-AV1 1.2 also brings bug fixes, API improvements, and a variety of other changes. Downloads and more details on SVT-AV1 1.2 via AOMediaCodec's GitLab.

I'll be running some SVT-AV1 1.2 benchmarks shortly while existing performance figures for this CPU-based video encoder can be found via this OpenBenchmarking.org page.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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