Add a speed feature to avoid extensive intrabc search

Disable the extensive intrabc search in VoD setting in higher
speed settings.

BUG=b/275118259

STATS_CHANGED

Change-Id: I944572ab8de56944133752948cf9479dfe9b063f

av1/encoder/rdopt.c

diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 80bd9b3..c17fbcc 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -3118,7 +3118,7 @@
                                        int64_t best_rd) {
   const AV1_COMMON *const cm = &cpi->common;
   if (!av1_allow_intrabc(cm) || !cpi->oxcf.kf_cfg.enable_intrabc ||
-      cpi->sf.rt_sf.use_nonrd_pick_mode)
+      !cpi->sf.mv_sf.use_intrabc || cpi->sf.rt_sf.use_nonrd_pick_mode)
     return INT64_MAX;
   const int num_planes = av1_num_planes(cm);
 

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index feb50e7..218c11b 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1115,6 +1115,7 @@
     sf->mv_sf.search_method = DIAMOND;
     sf->mv_sf.disable_second_mv = 2;
     sf->mv_sf.prune_mesh_search = PRUNE_MESH_SEARCH_LVL_1;
+    sf->mv_sf.use_intrabc = 0;
 
     sf->inter_sf.disable_interinter_wedge_newmv_search = boosted ? 0 : 1;
     sf->inter_sf.mv_cost_upd_level = INTERNAL_COST_UPD_SBROW;
@@ -2005,6 +2006,7 @@
   mv_sf->skip_fullpel_search_using_startmv = 0;
   mv_sf->warp_search_method = WARP_SEARCH_SQUARE;
   mv_sf->warp_search_iters = 8;
+  mv_sf->use_intrabc = 1;
 }
 
 static AOM_INLINE void init_inter_sf(INTER_MODE_SPEED_FEATURES *inter_sf) {

av1/encoder/speed_features.h

diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index e3f7d9f..337488b 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -855,6 +855,9 @@
   // Accurate full pixel motion search based on TPL stats.
   int full_pixel_search_level;
 
+  // Allow intrabc motion search
+  int use_intrabc;
+
   // Whether to downsample the rows in sad calculation during motion search.
   // This is only active when there are at least 16 rows. When this sf is
   // active, if there is a large discrepancy in the SAD values for the final