• Zoe Liu's avatar
    Add new coding tool of ext-comp-refs · c082bbcb
    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
    c082bbcb
enums.h 15.2 KB