From: Marco <marpan@google.com>
Date: Thu, 6 Jul 2017 20:06:39 +0000 (-0700)
Subject: vp9: Nonrd mode: use content_state_sb for high motion.
X-Git-Tag: v1.7.0~326^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8c3f18efa175be5ee6b26efcba5fdb5611e5119a;p=libvpx

vp9: Nonrd mode: use content_state_sb for high motion.

In the content_state for a superblock is set to HighSad,
use that to bias some decisions in variance partition and
nonrd pickmde: use int_pro_motion for sad computation in
choose_partitioning, and set large_block in pickmode based
on the content_state_sb.

Only affects speed >= 7.

Immprovement for high motion content.
Small gain (~1%) in RTC metrics.
Speedup of ~5 for high motion clip on android (speed 8, 1 thread).

Change-Id: I5774c4854f012b89c8e969f6129b60988c2ce11c
---

diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index 0601eacfa..1ca3ccc2b 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -1166,7 +1166,7 @@ static int choose_partitioning(VP9_COMP *cpi, const TileInfo *const tile,
     mi->mv[0].as_int = 0;
     mi->interp_filter = BILINEAR;
 
-    if (cpi->oxcf.speed >= 8 && !low_res)
+    if (cpi->oxcf.speed >= 8 && !low_res && x->content_state_sb != kVeryHighSad)
       y_sad = cpi->fn_ptr[bsize].sdf(
           x->plane[0].src.buf, x->plane[0].src.stride, xd->plane[0].pre[0].buf,
           xd->plane[0].pre[0].stride);
diff --git a/vp9/encoder/vp9_pickmode.c b/vp9/encoder/vp9_pickmode.c
index 46b6b3561..f340ef208 100644
--- a/vp9/encoder/vp9_pickmode.c
+++ b/vp9/encoder/vp9_pickmode.c
@@ -1928,9 +1928,14 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, TileDataEnc *tile_data,
         pd->dst.stride = this_mode_pred->stride;
       }
     } else {
-      const int large_block = (x->sb_is_skin || cpi->oxcf.speed < 7)
-                                  ? bsize > BLOCK_32X32
-                                  : bsize >= BLOCK_32X32;
+      // For low motion content use x->sb_is_skin in addition to VeryHighSad
+      // for setting large_block.
+      const int large_block =
+          (x->content_state_sb == kVeryHighSad ||
+           (x->sb_is_skin && cpi->rc.avg_frame_low_motion > 70) ||
+           cpi->oxcf.speed < 7)
+              ? bsize > BLOCK_32X32
+              : bsize >= BLOCK_32X32;
       mi->interp_filter = (filter_ref == SWITCHABLE) ? EIGHTTAP : filter_ref;
 
       if (cpi->use_svc && ref_frame == GOLDEN_FRAME &&