tree eeb90a95e6c61fa610e75695d9f7fe263982c51a
parent 952fe1eb54050c11860d5e4d35fb3132b415f19e
author Yunqing Wang <yunqingwang@google.com> 1604551948 -0800
committer Yunqing Wang <yunqingwang@google.com> 1604633607 +0000

Modify hog threshold in intra mode pruning

Adjusted hog threshold at speed 6 to speed up encoder. Applied
aggressive thresholds in inter frame encoding, and less aggressive
thresholds in intra frame encoding.

Borg test result at speed 6:
         avg_psnr: ovr_psnr: ssim:  speedup:
midres2:  0.197     0.219    0.299   2.4%
hdres2:   0.162     0.142    0.215   4.0%

STATS_CHANGED

Change-Id: Ibefbf790de640d75ff55671c864c5b9393cc5cc2