tree 1e84d8484732d4ca55678a72c58407796e6ac862
parent 0cb10f554d4db161010be6a309b8d1841e184894
author Deepa K G <deepa.kg@ittiam.com> 1682099780 +0530
committer Yunqing Wang <yunqingwang@google.com> 1684860087 +0000

Extend downsample SAD computation for lowres, midres

Added a new method to enable downsample SAD during motion
search based on the SAD deviation of the even rows to odd
rows.

    Instruction Count        BD-Rate Loss(%)
cpu   Reduction(%)    avg.psnr   ovr.psnr    ssim
 5       1.748        -0.0222    -0.0224   -0.0220
 6       1.379         0.0284     0.0274    0.0632

STATS_CHANGED for good preset, speed 5 and 6

Change-Id: I65cfd6d85f648ac4b2a55e04b5fe209ca2cd6d86