shithub: libvpx

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Add an early termination check in handle_inter_mode

Check the mode and motion vector cost. If it is already above
the existing best rate-distortion cost, skip the rest check process
on this mode.

Change-Id: Ie065cebdfda2a3be3be18b8e8b43dc29aaa8c179

--- a/vp9/encoder/vp9_rdopt.c

+++ b/vp9/encoder/vp9_rdopt.c

@@ -2236,6 +2236,10 @@

    * if the first is known */

   *rate2 += cost_mv_ref(cpi, this_mode, mbmi->mode_context[refs[0]]);

+  if (RDCOST(x->rdmult, x->rddiv, *rate2, 0) > ref_best_rd &&

+      mbmi->mode != NEARESTMV)

+    return INT64_MAX;

+

   pred_exists = 0;

   // Are all MVs integer pel for Y and UV

   intpel_mv = !mv_has_subpel(&mbmi->mv[0].as_mv);