cdef.c: Make functions static

BUG=aomedia:1540

Change-Id: I6a2afc889a8131d3fc238d99378d2419a2e8aa74

av1/common/cdef.c

diff --git a/av1/common/cdef.c b/av1/common/cdef.c
index 63f9883..2b87737 100644
--- a/av1/common/cdef.c
+++ b/av1/common/cdef.c
@@ -21,25 +21,6 @@
 #include "av1/common/onyxc_int.h"
 #include "av1/common/reconinter.h"
 
-int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col) {
-  int maxc, maxr;
-  int skip = 1;
-  maxc = cm->mi_cols - mi_col;
-  maxr = cm->mi_rows - mi_row;
-
-  maxr = AOMMIN(maxr, MI_SIZE_64X64);
-  maxc = AOMMIN(maxc, MI_SIZE_64X64);
-
-  for (int r = 0; r < maxr; r++) {
-    for (int c = 0; c < maxc; c++) {
-      skip =
-          skip &&
-          cm->mi_grid_visible[(mi_row + r) * cm->mi_stride + mi_col + c]->skip;
-    }
-  }
-  return skip;
-}
-
 static int is_8x8_block_skip(MB_MODE_INFO **grid, int mi_row, int mi_col,
                              int mi_stride) {
   int is_skip = 1;

av1/common/cdef.h

diff --git a/av1/common/cdef.h b/av1/common/cdef.h
index 3b2eac8..7f7694b 100644
--- a/av1/common/cdef.h
+++ b/av1/common/cdef.h
@@ -37,7 +37,6 @@
 extern "C" {
 #endif
 
-int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col);
 int sb_compute_cdef_list(const AV1_COMMON *const cm, int mi_row, int mi_col,
                          cdef_list *dlist, BLOCK_SIZE bsize);
 void av1_cdef_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, MACROBLOCKD *xd);

av1/encoder/pickcdef.c

diff --git a/av1/encoder/pickcdef.c b/av1/encoder/pickcdef.c
index fb07056..8122100 100644
--- a/av1/encoder/pickcdef.c
+++ b/av1/encoder/pickcdef.c
@@ -232,9 +232,9 @@
 }
 
 /* Compute MSE only on the blocks we filtered. */
-uint64_t compute_cdef_dist(uint16_t *dst, int dstride, uint16_t *src,
-                           cdef_list *dlist, int cdef_count, BLOCK_SIZE bsize,
-                           int coeff_shift, int pli) {
+static uint64_t compute_cdef_dist(uint16_t *dst, int dstride, uint16_t *src,
+                                  cdef_list *dlist, int cdef_count,
+                                  BLOCK_SIZE bsize, int coeff_shift, int pli) {
   uint64_t sum = 0;
   int bi, bx, by;
   if (bsize == BLOCK_8X8) {
@@ -279,6 +279,25 @@
   return sum >> 2 * coeff_shift;
 }
 
+static int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col) {
+  int maxc, maxr;
+  int skip = 1;
+  maxc = cm->mi_cols - mi_col;
+  maxr = cm->mi_rows - mi_row;
+
+  maxr = AOMMIN(maxr, MI_SIZE_64X64);
+  maxc = AOMMIN(maxc, MI_SIZE_64X64);
+
+  for (int r = 0; r < maxr; r++) {
+    for (int c = 0; c < maxc; c++) {
+      skip =
+          skip &&
+          cm->mi_grid_visible[(mi_row + r) * cm->mi_stride + mi_col + c]->skip;
+    }
+  }
+  return skip;
+}
+
 void av1_cdef_search(YV12_BUFFER_CONFIG *frame, const YV12_BUFFER_CONFIG *ref,
                      AV1_COMMON *cm, MACROBLOCKD *xd, int fast) {
   CdefInfo *const cdef_info = &cm->cdef_info;