• John Koleszar's avatar
    Reimplementation of loop filter · 043d348a
    John Koleszar authored
    This version of the loop filter supports non-4:2:0 subsampling and
    a fourth plane, as well as changing the filtering order to be more
    friendly to hardware implementations.
    
    The filters are applied first to all vertical edges within the
    64x64 SB, followed by the top horizontal edge and any internal
    horizontal edges. Since filtering is applied on each 4x4 edge
    serially, a dependency is created from filtering one block edge
    to the next. It would be possible to remove this depencnecy by
    building all filtering decisions from the unfiltered
    reconstruction data.
    
    Change-Id: I08f3e9683eb7bded8a76651cbc50fc0dfdd05fa7
    043d348a
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