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Use int_mv instead of MV in vp8_mv_cont

Less operations.

Change-Id: Ibb9cd5ae66b8c7c681c9a654d551c8729c31c3ae

--- a/vp8/common/entropymode.c

+++ b/vp8/common/entropymode.c

@@ -33,11 +33,11 @@

     SUBMVREF_LEFT_ABOVE_ZED

 } sumvfref_t;

-int vp8_mv_cont(const MV *l, const MV *a)

+int vp8_mv_cont(const int_mv *l, const int_mv *a)

 {

-    int lez = (l->row == 0 && l->col == 0);

-    int aez = (a->row == 0 && a->col == 0);

-    int lea = (l->row == a->row && l->col == a->col);

+    int lez = (l->as_int == 0);

+    int aez = (a->as_int == 0);

+    int lea = (l->as_int == a->as_int);

     if (lea && lez)

         return SUBMVREF_LEFT_ABOVE_ZED;

--- a/vp8/common/entropymode.h

+++ b/vp8/common/entropymode.h

@@ -25,7 +25,7 @@

 extern const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS-1];

-extern int vp8_mv_cont(const MV *l, const MV *a);

+extern int vp8_mv_cont(const int_mv *l, const int_mv *a);

 #define SUBMVREF_COUNT 5

 extern const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS-1];

--- a/vp8/decoder/decodemv.c

+++ b/vp8/decoder/decodemv.c

@@ -362,7 +362,7 @@

                 leftmv.as_int = left_block_mv(mi, k);

                 abovemv.as_int = above_block_mv(mi, k, mis);

-                mv_contz = vp8_mv_cont(&(leftmv.as_mv), &(abovemv.as_mv));

+                mv_contz = vp8_mv_cont(&leftmv, &abovemv);

                 switch (bmi.mode = (B_PREDICTION_MODE) sub_mv_ref(bc, vp8_sub_mv_ref_prob2 [mv_contz])) /*pc->fc.sub_mv_ref_prob))*/

                 {

--- a/vp8/encoder/bitstream.c

+++ b/vp8/encoder/bitstream.c

@@ -1023,7 +1023,7 @@

                                 assert(0);

                         leftmv.as_int = left_block_mv(m, k);

                         abovemv.as_int = above_block_mv(m, k, mis);

-                        mv_contz = vp8_mv_cont(&(leftmv.as_mv), &(abovemv.as_mv));

+                        mv_contz = vp8_mv_cont(&leftmv, &abovemv);

                         write_sub_mv_ref(w, b->mode, vp8_sub_mv_ref_prob2 [mv_contz]); //pc->fc.sub_mv_ref_prob);

-- 

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