• Jingning Han's avatar
    Scale reference motion vector search step size · fab16037
    Jingning Han authored
    This commit allows the dynamic motion vector referencing system to
    scale its search range according to the coding block size. This
    provides higher search resolution for smaller size coding unit.
    The cb4x4 mode improves the compression performance across all the
    test sets:
             avg     low    mid    high
    lowres   2.8%    2.4%   3.1%   3.0%
    midres   1.3%    0.3%   1.8%   2.7%
    hdres    0.9%    0.5%   1.4%   1.5%
    Change-Id: I1bc501506a9f2f06071c5274391f6bd053b235a7