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Jingning Han authored
Disable the support of compound prediction modes for sub8x8 codking blocks. Make the rate-distortion optimizations process account for such constraints. With the use 2x2 chroma prediction block, this makes the wrost case number of inter predictors same as vp9. It affects the coding gains by 0.35% for lowres, 0.17% for midres, and 0.08% for hdres. The encoding speed is up by 10%. Change-Id: Ieb2a83030676911baa403e586f1f800cbf485d81
c41a549a