shithub: libvpx

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Remove unnecessary calls to load_pred_mv()

This improves compression performance slightly:
Speed 1:
         avg_psnr   ovr_psnr   ssim
lowres   -0.03%     -0.03%    -0.05%
midres   -0.16%     -0.20%    -0.30%
hdres    -0.13%     -0.13%    -0.16%

Speed 2:
         avg_psnr   ovr_psnr   ssim
lowres   -0.02%     -0.02%    -0.03%
midres   -0.08%     -0.06%    -0.10%
hdres    -0.08%     -0.08%    -0.10%

Change-Id: Id357c1f98042f3c7af56f99e534bc81ea9a7cf36

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

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

@@ -3978,6 +3978,7 @@

   // the starting point of motion search in the following partition type check.

   if (do_split || must_split) {

     subsize = get_subsize(bsize, PARTITION_SPLIT);

+    if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx);

     if (bsize == BLOCK_8X8) {

       i = 4;

       if (cpi->sf.adaptive_pred_interp_filter && partition_none_allowed)

@@ -4005,8 +4006,6 @@

         if (mi_row + y_idx >= cm->mi_rows || mi_col + x_idx >= cm->mi_cols)

           continue;

-        if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx);

-

         pc_tree->split[i]->index = i;

         if (cpi->sf.prune_ref_frame_for_rect_partitions)

           pc_tree->split[i]->none.rate = INT_MAX;

@@ -4109,8 +4108,6 @@

       PICK_MODE_CONTEXT *ctx = &pc_tree->horizontal[0];

       update_state(cpi, td, ctx, mi_row, mi_col, subsize, 0);

       encode_superblock(cpi, td, tp, 0, mi_row, mi_col, subsize, ctx);

-

-      if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx);

       if (cpi->sf.adaptive_pred_interp_filter && bsize == BLOCK_8X8 &&

           partition_none_allowed)

         pc_tree->horizontal[1].pred_interp_filter = pred_interp_filter;

@@ -4160,8 +4157,6 @@

       update_state(cpi, td, &pc_tree->vertical[0], mi_row, mi_col, subsize, 0);

       encode_superblock(cpi, td, tp, 0, mi_row, mi_col, subsize,

                         &pc_tree->vertical[0]);

-

-      if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx);

       if (cpi->sf.adaptive_pred_interp_filter && bsize == BLOCK_8X8 &&

           partition_none_allowed)

         pc_tree->vertical[1].pred_interp_filter = pred_interp_filter;