Fix choose_partitioning threshold setup for speed -5

The compression performance of speed -5 is on average 12.6% better
than speed -6. At lower bit-rates, the gains are typically 20% or
more. For 2-thread encoding, the speed -5 takes about 1.6x time of
speed -6.

Change-Id: If7a73464a24d33e8f49b9533b51ec51c8da7fc80

diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index 724d0e7617650de9e21ec5e95349d3896e69bad1..186c6e0f4e091765265b0b0d3c505e3e2cf7ba99 100644 (file)
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -481,7 +481,8 @@ static int set_vt_partitioning(VP9_COMP *cpi,
 
 void vp9_set_vbp_thresholds(VP9_COMP *cpi, int q) {
   SPEED_FEATURES *const sf = &cpi->sf;
-  if (sf->partition_search_type != VAR_BASED_PARTITION) {
+  if (sf->partition_search_type != VAR_BASED_PARTITION &&
+      sf->partition_search_type != REFERENCE_PARTITION) {
     return;
   } else {
     VP9_COMMON *const cm = &cpi->common;
@@ -3515,9 +3516,8 @@ static void encode_nonrd_sb_row(VP9_COMP *cpi,
         set_offsets(cpi, tile_info, x, mi_row, mi_col, BLOCK_64X64);
         if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && cm->seg.enabled &&
             xd->mi[0].src_mi->mbmi.segment_id) {
-          auto_partition_range(cpi, tile_info, xd, mi_row, mi_col,
-                               &x->min_partition_size,
-                               &x->max_partition_size);
+          x->max_partition_size = BLOCK_64X64;
+          x->min_partition_size = BLOCK_8X8;
           nonrd_pick_partition(cpi, td, tile_data, tp, mi_row, mi_col,
                                BLOCK_64X64, &dummy_rdc, 1,
                                INT64_MAX, td->pc_root);