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Using MV* instead of int_mv* as argument of vp9_clamp_mv_min_max.

Change-Id: I3c45916a9059f11b41e9d798e34ffee052969a44

--- a/vp9/encoder/vp9_mbgraph.c

+++ b/vp9/encoder/vp9_mbgraph.c

@@ -40,7 +40,7 @@

       (cpi->speed < 8 ? (cpi->speed > 5 ? 1 : 0) : 2);

   step_param = MIN(step_param, (cpi->sf.max_step_search_steps - 2));

-  vp9_clamp_mv_min_max(x, ref_mv);

+  vp9_clamp_mv_min_max(x, &ref_mv->as_mv);

   ref_full.as_mv.col = ref_mv->as_mv.col >> 3;

   ref_full.as_mv.row = ref_mv->as_mv.row >> 3;

--- a/vp9/encoder/vp9_mcomp.c

+++ b/vp9/encoder/vp9_mcomp.c

@@ -24,15 +24,14 @@

 // #define NEW_DIAMOND_SEARCH

-void vp9_clamp_mv_min_max(MACROBLOCK *x, int_mv *ref_mv) {

-  const int col_min = (ref_mv->as_mv.col >> 3) - MAX_FULL_PEL_VAL +

-                ((ref_mv->as_mv.col & 7) ? 1 : 0);

-  const int row_min = (ref_mv->as_mv.row >> 3) - MAX_FULL_PEL_VAL +

-                ((ref_mv->as_mv.row & 7) ? 1 : 0);

-  const int col_max = (ref_mv->as_mv.col >> 3) + MAX_FULL_PEL_VAL;

-  const int row_max = (ref_mv->as_mv.row >> 3) + MAX_FULL_PEL_VAL;

+void vp9_clamp_mv_min_max(MACROBLOCK *x, MV *mv) {

+  const int col_min = (mv->col >> 3) - MAX_FULL_PEL_VAL + (mv->col & 7 ? 1 : 0);

+  const int row_min = (mv->row >> 3) - MAX_FULL_PEL_VAL + (mv->row & 7 ? 1 : 0);

+  const int col_max = (mv->col >> 3) + MAX_FULL_PEL_VAL;

+  const int row_max = (mv->row >> 3) + MAX_FULL_PEL_VAL;

-  /* Get intersection of UMV window and valid MV window to reduce # of checks in diamond search. */

+  // Get intersection of UMV window and valid MV window to reduce # of checks

+  // in diamond search.

   if (x->mv_col_min < col_min)

     x->mv_col_min = col_min;

   if (x->mv_col_max > col_max)

--- a/vp9/encoder/vp9_mcomp.h

+++ b/vp9/encoder/vp9_mcomp.h

@@ -23,7 +23,7 @@

 // Maximum size of the first step in full pel units

 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))

-void vp9_clamp_mv_min_max(MACROBLOCK *x, int_mv *ref_mv);

+void vp9_clamp_mv_min_max(MACROBLOCK *x, MV *mv);

 int vp9_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvjcost,

                            int *mvcost[2], int weight);

 void vp9_init_dsmotion_compensation(MACROBLOCK *x, int stride);

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

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

@@ -2457,7 +2457,7 @@

     setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL);

   }

-  vp9_clamp_mv_min_max(x, &ref_mv);

+  vp9_clamp_mv_min_max(x, &ref_mv.as_mv);

   // Adjust search parameters based on small partitions' result.

   if (x->fast_ms) {

@@ -2637,7 +2637,7 @@

     // Compound motion search on first ref frame.

     if (id)

       xd->plane[0].pre[0] = ref_yv12[id];

-    vp9_clamp_mv_min_max(x, &ref_mv[id]);

+    vp9_clamp_mv_min_max(x, &ref_mv[id].as_mv);

     // Use mv result from single mode as mvp.

     tmp_mv.as_int = frame_mv[refs[id]].as_int;