Move vp9_setup_interp_filter() to encoder

As it is used in encoder only.

Change-Id: I5f2a8abbe72bb18cbf6ce36a3dc7e132aeae8ec2
diff --git a/vp9/common/vp9_reconinter.c b/vp9/common/vp9_reconinter.c
index 7cc66c8..3add81b 100644
--- a/vp9/common/vp9_reconinter.c
+++ b/vp9/common/vp9_reconinter.c
@@ -20,25 +20,6 @@
 #include "vp9/common/vp9_reconinter.h"
 #include "vp9/common/vp9_reconintra.h"
 
-void vp9_setup_interp_filters(MACROBLOCKD *xd,
-                              INTERPOLATION_TYPE mcomp_filter_type,
-                              VP9_COMMON *cm) {
-  if (xd->mi_8x8 && xd->mi_8x8[0]) {
-    MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
-
-    set_scale_factors(xd, mbmi->ref_frame[0] - LAST_FRAME,
-                          mbmi->ref_frame[1] - LAST_FRAME,
-                          cm->active_ref_scale);
-  } else {
-    set_scale_factors(xd, -1, -1, cm->active_ref_scale);
-  }
-
-  xd->subpix.filter_x = xd->subpix.filter_y =
-      vp9_get_filter_kernel(mcomp_filter_type == SWITCHABLE ?
-                               EIGHTTAP : mcomp_filter_type);
-
-  assert(((intptr_t)xd->subpix.filter_x & 0xff) == 0);
-}
 
 static void inter_predictor(const uint8_t *src, int src_stride,
                             uint8_t *dst, int dst_stride,
diff --git a/vp9/common/vp9_reconinter.h b/vp9/common/vp9_reconinter.h
index 2c8a6e4..b328754 100644
--- a/vp9/common/vp9_reconinter.h
+++ b/vp9/common/vp9_reconinter.h
@@ -24,10 +24,6 @@
 void vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
                                    BLOCK_SIZE bsize);
 
-void vp9_setup_interp_filters(MACROBLOCKD *xd,
-                              INTERPOLATION_TYPE filter,
-                              VP9_COMMON *cm);
-
 void vp9_build_inter_predictor(const uint8_t *src, int src_stride,
                                uint8_t *dst, int dst_stride,
                                const MV *mv_q3,
diff --git a/vp9/encoder/vp9_encodemb.c b/vp9/encoder/vp9_encodemb.c
index 0d089ce..0e1523b 100644
--- a/vp9/encoder/vp9_encodemb.c
+++ b/vp9/encoder/vp9_encodemb.c
@@ -25,6 +25,26 @@
 #include "vp9/encoder/vp9_rdopt.h"
 #include "vp9/encoder/vp9_tokenize.h"
 
+void vp9_setup_interp_filters(MACROBLOCKD *xd,
+                              INTERPOLATION_TYPE mcomp_filter_type,
+                              VP9_COMMON *cm) {
+  if (xd->mi_8x8 && xd->mi_8x8[0]) {
+    MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
+
+    set_scale_factors(xd, mbmi->ref_frame[0] - LAST_FRAME,
+                          mbmi->ref_frame[1] - LAST_FRAME,
+                          cm->active_ref_scale);
+  } else {
+    set_scale_factors(xd, -1, -1, cm->active_ref_scale);
+  }
+
+  xd->subpix.filter_x = xd->subpix.filter_y =
+      vp9_get_filter_kernel(mcomp_filter_type == SWITCHABLE ?
+                               EIGHTTAP : mcomp_filter_type);
+
+  assert(((intptr_t)xd->subpix.filter_x & 0xff) == 0);
+}
+
 void vp9_subtract_block_c(int rows, int cols,
                           int16_t *diff_ptr, ptrdiff_t diff_stride,
                           const uint8_t *src_ptr, ptrdiff_t src_stride,
diff --git a/vp9/encoder/vp9_encodemb.h b/vp9/encoder/vp9_encodemb.h
index 8fbc4a0..7be6621 100644
--- a/vp9/encoder/vp9_encodemb.h
+++ b/vp9/encoder/vp9_encodemb.h
@@ -54,5 +54,7 @@
 void vp9_encode_intra_block_uv(MACROBLOCK *x, BLOCK_SIZE bsize);
 
 int vp9_encode_intra(MACROBLOCK *x, int use_16x16_pred);
-
+void vp9_setup_interp_filters(MACROBLOCKD *xd,
+                              INTERPOLATION_TYPE mcomp_filter_type,
+                              VP9_COMMON *cm);
 #endif  // VP9_ENCODER_VP9_ENCODEMB_H_