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Hui Su authored
Encode a block line by line, horizontally or vertically. In the vertical mode, each row is predicted by the reconsturcted row above; in the horizontal mode, each column is predicted by the reconstructed column to the left. The DPCM modes are enabled automatically for blocks with horizontal or vertical prediction mode, and 1D transform types (ext-tx). Change-Id: I133ab6b537fa24a6e314ee1ef1d2fe9bd9d56c13
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