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Fangwen Fu authored
* code the palette color index using 45 wavefront * interleave the coeff and palette color index in transform block level * the above change does not change code efficiency Details: The 45 wavefront scan allows to compute the ctx of the diagonal samples' indices at the same time. Interleaving palette indices and palette residual on a transform block basis means that the entropy decoding and further processing of the palette residual is not delayed by the entropy decoding of all the color indices of the palette encoded block. Change-Id: Ie9f576002a9a68394b99c23b01e9730df06df070
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