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Zoe Liu authored
The tool of ext-comp-refs adds the uni-directional compound reference prediction. In details, 3 pairs of uni-direcitonal compound references are added for the comp ref prediction: (LAST_FRAME, LAST2_FRAME), (LAST_FRAME, GOLDEN_FRAME), and (BWDREF_FRAME, ALTREF_FRAME). This new tool of ext-comp-refs will eventually overwrite one-side-compound and have the two coding tools to merge to one. It achieves -0.35 ~ -0.55% coding gains in BDRate, compared against AV1 baseline with the default experiments on, but without one-sided-compound. It achieves -0.2% ~ -0.3% coding gains when one-sided-compound is on. It achieves larger gains on higher resolution. Change-Id: Icbdb16e97b96aaebaf2213f5f72d5331e2e358eb
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