libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_resize.c

 /*
  *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <assert.h>
 #include <limits.h>
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+#include "vpx_ports/mem.h"
 #include "vp9/common/vp9_common.h"
 #include "vp9/encoder/vp9_resize.h"
 
 #define FILTER_BITS               7
 
 #define INTERP_TAPS               8
 #define SUBPEL_BITS               5
 #define SUBPEL_MASK               ((1 << SUBPEL_BITS) - 1)
 #define INTERP_PRECISION_BITS     32
 
@@ skipping 392 matching lines @@
   }
 }
 
 static int get_down2_length(int length, int steps) {
   int s;
   for (s = 0; s < steps; ++s)
     length = (length + 1) >> 1;
   return length;
 }
 
-int get_down2_steps(int in_length, int out_length) {
+static int get_down2_steps(int in_length, int out_length) {
   int steps = 0;
   int proj_in_length;
   while ((proj_in_length = get_down2_length(in_length, 1)) >= out_length) {
     ++steps;
     in_length = proj_in_length;
   }
   return steps;
 }
 
 static void resize_multistep(const uint8_t *const input,
@@ skipping 474 matching lines @@
                                 uint8_t *ou, uint8_t *ov, int ouv_stride,
                                 int oheight, int owidth, int bd) {
   vp9_highbd_resize_plane(y, height, width, y_stride,
                           oy, oheight, owidth, oy_stride, bd);
   vp9_highbd_resize_plane(u, height, width, uv_stride,
                           ou, oheight, owidth, ouv_stride, bd);
   vp9_highbd_resize_plane(v, height, width, uv_stride,
                           ov, oheight, owidth, ouv_stride, bd);
 }
 #endif  // CONFIG_VP9_HIGHBITDEPTH