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Yunqing Wang authored
Added convolve 1d functions for 1d-only sub-pixel interpolation, including av1_convolve_x() function for "subpel_x_q4 == 0" case and av1_convolve_y() function for "subpel_y_q4 == 0" case. Separated into different cases for speeding up the codec(especially the decoder). The optimized version will be added later. Change-Id: I08fd317d02c786af68270a971bb3b17c94bd52ca
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