tree 48c8090abed9184f259b5af0d62a459d826fb17d
parent 260d4b00ad82fcea5990c6c912705721123bccb8
author venkat sanampudi <sanampudi.venkatarao@ittiam.com> 1622204407 +0530
committer Wan-Teh Chang <wtc@google.com> 1622726302 +0000

Extend top_intra_model_count_allowed sf to allintra

The speed feature top_intra_model_count_allowed is introduced in
https://aomedia-review.googlesource.com/c/aom/+/138241.
This sf is extended to allintra encoding mode by reducing the
number of candidates used to store the model rd  for intra mode
decision. This sf is applicable for speed presets 1 to 6, in
allintra encoding mode.

For AVIF still image encode,

          Instruction Count    BD-Rate Loss(%)
cpu-used     Reduction(%)      psnr       ssim
   1            7.921          0.0822     0.0921
   2            8.849          0.0733     0.0550
   3            8.841          0.0736     0.0793
   4            3.428          0.0093    -0.0150
   5            3.617         -0.0180    -0.0196
   6            1.408          0.0130    -0.0073

BUG=aomedia:2959

STATS_CHANGED

Change-Id: I864137b6db2dfb2c2f95013bb5d5e8565696b6e7