diff --git a/common/common.h b/common/common.h
old mode 100644
new mode 100755
index 1e46ae8..7f15495
--- a/common/common.h
+++ b/common/common.h
@@ -588,6 +588,7 @@ struct x264_t
             int i_mb_cbp[6];
             /* Adaptive direct mv pred */
             int i_direct_score[2];
+            int64_t i_direct_score_SSD[2];
             /* Metrics */
             int64_t i_ssd[3];
             double f_ssim;
diff --git a/encoder/analyse.c b/encoder/analyse.c
old mode 100644
new mode 100755
index 7ec43c8..7acc509
--- a/encoder/analyse.c
+++ b/encoder/analyse.c
@@ -2463,12 +2463,16 @@ void x264_macroblock_analyse( x264_t *h )
                 analysis.b_direct_available = x264_mb_predict_mv_direct16x16( h, i && analysis.b_direct_available ? &b_changed : NULL );
                 if( analysis.b_direct_available )
                 {
+                    int i_bskip_local_cost = 0;
                     if( b_changed )
                     {
                         x264_mb_mc( h );
                         b_skip = x264_macroblock_probe_bskip( h );
+                        if (b_skip)
+                            i_bskip_local_cost = ssd_mb( h );
                     }
                     h->stat.frame.i_direct_score[ h->sh.b_direct_spatial_mv_pred ] += b_skip;
+                    h->stat.frame.i_direct_score_SSD[ h->sh.b_direct_spatial_mv_pred ] += i_bskip_local_cost;
                 }
                 else
                     b_skip = 0;
diff --git a/encoder/ratecontrol.c b/encoder/ratecontrol.c
old mode 100644
new mode 100755
index 2dd34d0..e72c2e4
--- a/encoder/ratecontrol.c
+++ b/encoder/ratecontrol.c
@@ -1084,7 +1084,18 @@ void x264_ratecontrol_end( x264_t *h, int bits )
         char c_type = h->sh.i_type==SLICE_TYPE_I ? (h->fenc->i_poc==0 ? 'I' : 'i')
                     : h->sh.i_type==SLICE_TYPE_P ? 'P'
                     : h->fenc->b_kept_as_ref ? 'B' : 'b';
-        int dir_frame = h->stat.frame.i_direct_score[1] - h->stat.frame.i_direct_score[0];
+        /* if number of skip blocs in spatial and temporal modes are close, use SSD as a selection criterion*/
+        int i_direct_score_0 = h->stat.frame.i_direct_score[0];
+        int i_direct_score_1 = h->stat.frame.i_direct_score[1];
+        int b_tied_skip_nums = X264_MIN(i_direct_score_1, i_direct_score_0) > (X264_MAX(i_direct_score_1, i_direct_score_0)*95/100)
+                                && i_direct_score_0 && i_direct_score_1;
+        int b_skip_SSD_dif = X264_MIN(h->stat.frame.i_direct_score_SSD[1], h->stat.frame.i_direct_score_SSD[0]) <
+                                (X264_MAX(h->stat.frame.i_direct_score_SSD[1], h->stat.frame.i_direct_score_SSD[0])*80/100);
+
+        int dir_frame = (b_tied_skip_nums && b_skip_SSD_dif) ?
+                            h->stat.frame.i_direct_score_SSD[0] - h->stat.frame.i_direct_score_SSD[1] :
+                            i_direct_score_1 - i_direct_score_0;
+
         int dir_avg = h->stat.i_direct_score[1] - h->stat.i_direct_score[0];
         char c_direct = h->mb.b_direct_auto_write ?
                         ( dir_frame>0 ? 's' : dir_frame<0 ? 't' :