shithub: libvpx

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Enable ML based rect partition pruning for HBD

Tested on lowres_bd10(480p) and midres_bd10(720p), average coding
loss is 0.09%; average encoding speedup is 9%.

Only speed 0 is affected.

Change-Id: Ia8d48c1c6d1669745f0e956b172572a37e42f0c7

--- a/vp9/encoder/vp9_encodeframe.c

+++ b/vp9/encoder/vp9_encodeframe.c

@@ -4018,13 +4018,9 @@

   }

   {

-    int do_ml_rect_partition_pruning =

+    const int do_ml_rect_partition_pruning =

         !frame_is_intra_only(cm) && !force_horz_split && !force_vert_split &&

         (partition_horz_allowed || partition_vert_allowed) && bsize > BLOCK_8X8;

-#if CONFIG_VP9_HIGHBITDEPTH

-    if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)

-      do_ml_rect_partition_pruning = 0;

-#endif

     if (do_ml_rect_partition_pruning) {

       ml_prune_rect_partition(cpi, x, bsize, pc_tree, &partition_horz_allowed,

                               &partition_vert_allowed, best_rdc.rdcost, mi_row,