libvpx: Pull from upstream

source/libvpx/vpx_scale/generic/vpx_scale.c

 /*
  *  Copyright (c) 2010 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.
  */
 
 
 /****************************************************************************
  *
  *   Module Title :     scale.c
  *
  *   Description  :     Image scaling functions.
  *
  ***************************************************************************/
 
 /****************************************************************************
 *  Header Files
 ****************************************************************************/
 #include "./vpx_scale_rtcd.h"
 #include "vpx_mem/vpx_mem.h"
+#include "vpx_scale/vpx_scale.h"
 #include "vpx_scale/yv12config.h"
 
 typedef struct {
   int     expanded_frame_width;
   int     expanded_frame_height;
 
   int HScale;
   int HRatio;
   int VScale;
   int VRatio;
@@ skipping 486 matching lines @@
           temp_area, temp_height, hscale, hratio, vscale, vratio, interlaced);
 
   if (dw / 2 < (int)dst->uv_width)
     for (i = 0; i < dst->uv_height; i++)
       memset(dst->v_buffer + i * dst->uv_stride + dw / 2 - 1, dst->v_buffer[i * dst->uv_stride + dw / 2 - 2], dst->uv_width - dw / 2 + 1);
 
   if (dh / 2 < (int) dst->uv_height)
     for (i = dh / 2 - 1; i < (int)dst->y_height / 2; i++)
       memcpy(dst->v_buffer + i * dst->uv_stride, dst->v_buffer + (dh / 2 - 2)*dst->uv_stride, dst->uv_width);
 }