adjust rtc setting and threshold

1. Adjusted the threshold for coef update computation based on counts
of tx used, avoid coef update computation when count is low (<20)
2. Move sf->lpf_pick = LPF_PICK_MINIMAL_LPF to speed 8.

Change-Id: I02b44309e40fcdbf135c7934ae067a3f42502d30

diff --git a/vp9/encoder/vp9_bitstream.c b/vp9/encoder/vp9_bitstream.c
index c7d489d..3a70364 100644 (file)
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -674,7 +674,7 @@ static void update_coef_probs(VP9_COMP *cpi, vp9_writer* w) {
   for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size) {
     vp9_coeff_stats frame_branch_ct[PLANE_TYPES];
     vp9_coeff_probs_model frame_coef_probs[PLANE_TYPES];
-    if (cpi->td.counts->tx.tx_totals[tx_size] == 0 ||
+    if (cpi->td.counts->tx.tx_totals[tx_size] <= 20 ||
         (tx_size >= TX_16X16 && cpi->sf.tx_size_search_method == USE_TX_8X8)) {
       vp9_write_bit(w, 0);
     } else {

diff --git a/vp9/encoder/vp9_speed_features.c b/vp9/encoder/vp9_speed_features.c
index 81f3195..8ba9adf 100644 (file)
--- a/vp9/encoder/vp9_speed_features.c
+++ b/vp9/encoder/vp9_speed_features.c
@@ -337,11 +337,11 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
     sf->adaptive_rd_thresh = 3;
     sf->mv.search_method = FAST_DIAMOND;
     sf->mv.fullpel_search_step_param = 10;
-    sf->lpf_pick = LPF_PICK_MINIMAL_LPF;
   }
   if (speed >= 8) {
     sf->adaptive_rd_thresh = 4;
     sf->mv.subpel_force_stop = 2;
+    sf->lpf_pick = LPF_PICK_MINIMAL_LPF;
   }
 }