Removed setup_pre_planes() call in read_mb_modes_mv()

This code does not seem to be necessary anymore.

For the 1080p clip used, the decoder performance improved by
~2%.

Change-Id: I66bb0496d4998b0d6c6637c746b642b77bdbef88

diff --git a/vp9/decoder/vp9_decodemv.c b/vp9/decoder/vp9_decodemv.c
index a5fc07b59a41484b4e60d4c3947e434996a2ef88..6b5bb4e36706d596d7b14c9bba88a9269d45e626 100644 (file)
--- a/vp9/decoder/vp9_decodemv.c
+++ b/vp9/decoder/vp9_decodemv.c
@@ -580,18 +580,9 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
     int_mv nearest, nearby, best_mv;
     int_mv nearest_second, nearby_second, best_mv_second;
     vp9_prob mv_ref_p[VP9_MVREFS - 1];
-
     const MV_REFERENCE_FRAME ref_frame = mbmi->ref_frame;
-    struct scale_factors *sf0 = &xd->scale_factor[0];
-    *sf0 = cm->active_ref_scale[mbmi->ref_frame - 1];
 
     {
-      // Select the appropriate reference frame for this MB
-      const int ref_fb_idx = cm->active_ref_idx[ref_frame - 1];
-
-      setup_pre_planes(xd, &cm->yv12_fb[ref_fb_idx], NULL,
-                       mi_row, mi_col, xd->scale_factor, xd->scale_factor_uv);
-
 #ifdef DEC_DEBUG
       if (dec_debug)
         printf("%d %d\n", xd->mode_info_context->mbmi.mv[0].as_mv.row,
@@ -650,12 +641,6 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
         mbmi->second_ref_frame = 1;
       if (mbmi->second_ref_frame > 0) {
         const MV_REFERENCE_FRAME second_ref_frame = mbmi->second_ref_frame;
-        struct scale_factors *sf1 = &xd->scale_factor[1];
-        const int second_ref_fb_idx = cm->active_ref_idx[second_ref_frame - 1];
-        *sf1 = cm->active_ref_scale[second_ref_frame - 1];
-
-        setup_pre_planes(xd, NULL, &cm->yv12_fb[second_ref_fb_idx],
-                         mi_row, mi_col, xd->scale_factor, xd->scale_factor_uv);
 
         vp9_find_mv_refs(cm, xd, mi,
                          use_prev_in_find_mv_refs ?