Zaggy1024 08b90bb2d0 LibVideo/VP9: Clamp reference frame prediction coords outside loops ...

Moving the clamping of the coordinates of the reference frame samples
as well as some bounds checks outside of the loop reduces the branches
needed in the `predict_inter_block()` significantly.

This results in a whopping ~41% improvement in decode performance
of an inter-prediction-heavy YouTube video (~35.4s -> ~20.8s).

2023-04-14 07:11:45 -04:00

102 KiB

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