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Yunqing Wang authored
The rate costs calculated for inter modes are not precise in some cases, which causes NEWMV is chosen instead of NEARESTMV, NEARMV, and ZEROMV. This patch added checks for these cases, and corrected the mode decisions. Borg tests at speed 3 showed: 1. stdhd set: 0.102% PSNR gain and 0.088% SSIM gain. 2. derf set: 0.147% PSNR gain and 0.132% SSIM gain. No speed change. Change-Id: I35d17684b89ad4734fb610942d707899146426db
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