Enable mode search threshold update in non-RD coding mode

Adaptively adjust the mode thresholds after each mode search round
to skip checking less likely selected modes. Local tests indicate
5% - 10% speed-up in speed -5 and -6. Average coding performance
loss is -1.055%.

speed -5
vidyo1 720p 1000 kbps
16533 b/f, 40.851 dB, 12607 ms -> 16556 b/f, 40.796 dB, 11831 ms

nik 720p 1000 kbps
33229 b/f, 39.127 dB, 11468 ms -> 33235 b/f, 39.131 dB, 10919 ms

speed -6
vidyo1 720p 1000 kbps
16549 b/f, 40.268 dB, 10138 ms -> 16538 b/f, 40.212 dB, 8456 ms

nik 720p 1000 kbps
33271 b/f, 38.433 dB,  7886 ms -> 33279 b/f, 38.416 dB, 7843 ms

Change-Id: I2c2963f1ce4ed9c1cf233b5b2c880b682e1c1e8b

1 files changed, 1 insertions, 6 deletions

diff --git a/vp9/encoder/vp9_speed_features.c b/vp9/encoder/vp9_speed_features.c
index e148bf903..294d5cc30 100644
--- a/vp9/encoder/vp9_speed_features.c
+++ b/vp9/encoder/vp9_speed_features.c
@@ -269,7 +269,7 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
     sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST_NEW_ZERO;
     sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST_NEW_ZERO;
     sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST_NEW_ZERO;
-
+    sf->adaptive_rd_thresh = 2;
     // This feature is only enabled when partition search is disabled.
     sf->reuse_inter_pred_sby = 1;
 
@@ -292,12 +292,7 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
     sf->partition_search_type = VAR_BASED_PARTITION;
     sf->search_type_check_frequency = 50;
     sf->mv.search_method = NSTEP;
-
     sf->tx_size_search_method = is_keyframe ? USE_LARGESTALL : USE_TX_8X8;
-
-    // Increase mode checking threshold for NEWMV.
-    sf->elevate_newmv_thresh = 1000;
-
     sf->mv.reduce_first_step_size = 1;
   }