tree f119f80f57caa5f339a82ffd5ae6cc4140ab59af
parent 1d8912ff648532a02138f9ccc937fefda0141315
author venkat sanampudi <sanampudi.venkatarao@ittiam.com> 1623045842 +0530
committer Wan-Teh Chang <wtc@google.com> 1623170685 +0000

Disable intra_y_mode_mask sf for allintra encode

The handling of sf intra_y_mode_mask was added in the
following CL for intra frames.
https://aomedia-review.googlesource.com/c/aom/+/138781.
The sf is disabled as the trade-off is seen to be worse
for allintra encode.

For AVIF still image encode,

          Instruction Count    BD-Rate Loss(%)
cpu-used     Reduction(%)      psnr       ssim
   4           -3.252         -1.5948    -1.7389
   5           -5.155         -1.6144    -1.7165
   6           -2.597         -1.3882    -1.3959

BUG=aomedia:2959

STATS_CHANGED

Change-Id: Ib4eab0610007fe8aecdcf6f9e7c6f45649c8321b