Issue 1799 in webm: Turn on NON_GREEDY_MV by default.

[angie… via monorail]

Status: Unconfirmed
Owner: angi...@google.com
CC: jing...@google.com, jz...@google.com

New issue 1799 by angi...@google.com: Turn on NON_GREEDY_MV by default.
https://bugs.chromium.org/p/webm/issues/detail?id=1799

I measured this experiment's performance and saw positive gains.
lowres:
avg_psnr:ovr_psnr:ssim: vmaf:
-0.390 -0.387 -0.551 -0.907

midres:
avg_psnr:ovr_psnr:ssim: vmaf:
-0.525 -0.387 -0.454 -0.654

hdres:
avg_psnr:ovr_psnr:ssim: vmaf:
-0.378 -0.376 -0.533 -0.503

ducky720p:
avg_psnr:ovr_psnr:ssim: vmaf:
0.614 -0.617 -0.750 -0.684

ugc360p:
0.573 0.596 1.088 0.382
(In ugc360p, majority of videos have gains but Lyrics_360-183994ef541e0044-51.42.y4m has 45% drop)

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[angie… via monorail]

Comment #1 on issue 1799 by angi...@google.com: Turn on NON_GREEDY_MV by default.
https://bugs.chromium.org/p/webm/issues/detail?id=1799#c1

I measured this experiment's performance and saw positive gains.
lowres:
avg_psnr:ovr_psnr:ssim: vmaf:
-0.390 -0.387 -0.551 -0.907

midres:
avg_psnr:ovr_psnr:ssim: vmaf:
-0.525 -0.387 -0.454 -0.654

hdres:
avg_psnr:ovr_psnr:ssim: vmaf:
-0.378 -0.376 -0.533 -0.503

ducky720p:
avg_psnr:ovr_psnr:ssim: vmaf:

-0.614 -0.617 -0.750 -0.684