shithub: libvpx

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Adjust the probs in get_mv_mode_cost

midres's performance is improved by 0.08%
hdres's performance is improved by 0.04%

Change-Id: Id48f2b654d8ae1909fcb6d21eda8bfb69087a18a

--- a/vp9/encoder/vp9_encoder.c

+++ b/vp9/encoder/vp9_encoder.c

@@ -6291,9 +6291,9 @@

   // TODO(angiebird): The probabilities are roughly inferred from

   // default_inter_mode_probs. Check if there is a better way to set the

   // probabilities.

-  const int zero_mv_prob = 9;

-  const int new_mv_prob = 77;

-  const int ref_mv_prob = 170;

+  const int zero_mv_prob = 16;

+  const int new_mv_prob = 24 * 1;

+  const int ref_mv_prob = 256 - zero_mv_prob - new_mv_prob;

   assert(zero_mv_prob + new_mv_prob + ref_mv_prob == 256);

   switch (mv_mode) {

     case ZERO_MV_MODE: return vp9_prob_cost[zero_mv_prob]; break;