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master-of-zen/rav1e_rdo_lookahead_frames.md

Last active February 17, 2021 22:23
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rav1e_rdo_lookahead_frames.md

rav1e --rdo-lookahead-frames research

Motivation:

Make speed settings faster with reasonable trade-off on different rdo-lookahead-frames values and suggest new defaults for each speed

Encoding speed difference

BD-rate difference

Recommended

  • rdo-lookahead-frames 10 for speeds 10,9.
  • rdo-lookahead-frames 20 for speeds 8,7,6.
  • rdo-lookahead-frames 30 for speeds 5,4,3.
  • rdo-lookahead-frames 40 for speeds 2,1,0.
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