tree ce57471c8d8f7ae92e2c12b05672a77350261561
parent fb3e8cc6e390d0b8b67dd192e750c062704ff9cc
author Yunqing Wang <yunqingwang@google.com> 1638321542 -0800
committer Yunqing Wang <yunqingwang@google.com> 1638385797 +0000

rtc: Disable qp-based gf refresh at speed 5

Added a speed feature for qp-based gf refresh, and turned it off at
speed 5 since it didn't work well while gf_boost > 0. This change
didn't affect performance much, and brought coding gains if using
"--gf-cbr-boost" > 0. Borg test result at rt speed 5:
         gf_boost: avg_psnr: ovr_psnr: ssim: encoding_spdup:
rtc_derf:
            0       -0.021    -0.012   0.038   -0.474
           50       -0.191    -0.19   -0.201   -0.353
          100       -0.48     -0.391  -0.594   -0.248
          200       -0.807    -0.565  -1.26    -0.021
rtc set:
            0        0        -0.04   -0.006   -0.459
           50       -0.188    -0.227  -0.21    -0.393
          100       -0.279    -0.248  -0.314   -0.385
          200       -0.551    -0.398  -0.77    -0.221

STATS_CHANGED for rt speed 5

Change-Id: I97c4085c096490b61189339f00056a691adc558b