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SVT-AV1 v1.7.0 (gitlab.com)
submitted 1 year ago by gianni@lemmy.ml to c/av1@lemmy.ml

Encoder

  • Improve the tradeoffs for the random access mode across presets MR-M13:
  • Quality improvements across all presets and metrics ranging from 0.3% to 4.5% in BD-rate (!2129)
  • Spacing between presets [M1-M6] has been adjusted to account for the tradeoff improvements achieved
  • As a user guidance when comparing v1.7 vs v1.6 in a convexhull encoding setup:
  • v1.7.0 M2 is now at similar quality levels as v1.6.0 M1 while being ~50% faster
  • v1.7.0 M3 is now at similar quality levels as v1.6.0 M2 while being ~50% faster
  • v1.7.0 M4 is now at similar quality levels as v1.6.0 M3 while being ~40% faster
  • v1.7.0 M5 is now at similar quality levels as v1.6.0 M4 while being ~30% faster
  • v1.7.0 M6 is now at similar quality levels as v1.6.0 M5 while being ~25% faster
  • Added an experimental tune SSIM mode yielding ~3-4% additional SSIM BD-rate gains (!2109)

Build, cleanup and bug fixes

  • Various cleanups and functional bug fixes
  • Fix build conflict with libaom
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this post was submitted on 25 Aug 2023
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