Added different predictors proc and new AVX2 SAD#45

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DTL2020 wants to merge 3 commits intopinterf:mvtools-pfmodfrom

DTL2020:mvtools-pfmod

Commits on Oct 16, 2021

Added different predictors proc and new AVX2 SAD
DTL2020
authored

Commits on Oct 19, 2021

Added new more AVX2 Esa search sp2 and sp4
DTL2020
authored

Commits on Oct 20, 2021

Added C-ref functions, fixed some bug, +
DTL2020
authored