commit a251a5ee1fd7b52d370adcbdf9c97a175b72e6a0
author Venkat <sanampudi.venkatarao@ittiam.com> Sat May 04 13:15:51 2019 +0530
committer Yunqing Wang <yunqingwang@google.com> Thu May 16 17:56:03 2019 +0000
tree d155442331c65bb504050e4f8769d49b52dde248
parent 5edbe001abbada31be5bb6aee08f11fda6a93c01

Refine perform_coeff_opt speed feature for speeds 1,2

Introduced perform_coeff_opt logic for boosted
frames in speed presets 1,2.

          Encode Time
Preset    Reduction       Quality Loss
  1         4.22%           +0.03%
  2         5.12%           +0.11%

STATS_CHANGED

Change-Id: I256b7992249948a6f130a64d6917ab9b90de40c9

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 7ddc51b..8950487b 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -55,7 +55,7 @@
 // Threshold values to be used for disabling coeff RD-optimization
 // based on block MSE
 // TODO(any): Experiment the threshold logic based on variance metric
-static unsigned int coeff_opt_dist_thresholds[5] = { UINT_MAX, 162754, 162754,
+static unsigned int coeff_opt_dist_thresholds[5] = { UINT_MAX, 442413, 162754,
                                                      22026, 22026 };
 // scaling values to be used for gating wedge/compound segment based on best
 // approximate rd
@@ -265,7 +265,7 @@
     sf->gm_search_type = GM_REDUCED_REF_SEARCH_SKIP_L2_L3_ARF2;
     sf->cb_pred_filter_search = 1;
     sf->use_transform_domain_distortion = boosted ? 1 : 2;
-    sf->perform_coeff_opt = boosted ? 0 : 1;
+    sf->perform_coeff_opt = boosted ? 1 : 2;
     sf->use_inter_txb_hash = 0;
   }
 
@@ -297,7 +297,7 @@
     // TODO(Sachin): Enable/Enhance this speed feature for speed 2 & 3
     sf->cb_pred_filter_search = 0;
     sf->adaptive_interp_filter_search = 1;
-    sf->perform_coeff_opt = boosted ? 0 : 2;
+    sf->perform_coeff_opt = is_boosted_arf2_bwd_type ? 2 : 3;
     sf->model_based_prune_tx_search_level = 0;
   }
 
@@ -331,7 +331,6 @@
     sf->perform_best_rd_based_gating_for_chroma = 1;
     sf->prune_ref_frame_for_rect_partitions =
         frame_is_intra_only(&cpi->common) ? 0 : (boosted ? 1 : 2);
-    sf->perform_coeff_opt = is_boosted_arf2_bwd_type ? 2 : 3;
     sf->prune_comp_type_by_model_rd = boosted ? 0 : 1;
     sf->disable_smooth_intra =
         !frame_is_intra_only(&cpi->common) || (cpi->rc.frames_to_key != 1);