tree fe562b6354c9c799bed2386777400fd8c9687381
parent d8592641487018fa0393c2c1be7013694134109d
author Yunqing Wang <yunqingwang@google.com> 1546908333 -0800
committer Yunqing Wang <yunqingwang@google.com> 1546986167 +0000

Add a speed feature for interintra wedge search

Added a speed feature for interintra wedge search while speed >= 3.

Average encoder time reductions: 3.9% at speed 3 with 0.04% PSNR loss,
and 4.5% at speed 4 with 0.038% PSNR loss.

Here are AWCY result details:
Speed 3:
 PSNR  | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0433 |  0.1357 |  0.3244 |   0.0548 | 0.0670 |  0.0834 |     0.1086
Speed 4
 PSNR  | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0381 |  0.0076 | -0.0231 |  -0.0041 | 0.0328 |  0.0239 |     0.0275

Change-Id: I7703ebc6d373923d986114742ee379c7a427e27d