libvpx: Pull from upstream

source/libvpx/tools_common.h

 /*
  *  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.
  */
 #ifndef TOOLS_COMMON_H_
@@ skipping 131 matching lines @@
 
 // TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
 // of vpx_image_t support
 int vpx_img_plane_width(const vpx_image_t *img, int plane);
 int vpx_img_plane_height(const vpx_image_t *img, int plane);
 void vpx_img_write(const vpx_image_t *img, FILE *file);
 int vpx_img_read(vpx_image_t *img, FILE *file);
 
 double sse_to_psnr(double samples, double peak, double mse);
 
+#if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
+void vpx_img_upshift(vpx_image_t *dst, vpx_image_t *src, int input_shift);
+void vpx_img_downshift(vpx_image_t *dst, vpx_image_t *src, int down_shift);
+void vpx_img_truncate_16_to_8(vpx_image_t *dst, vpx_image_t *src);
+#endif
+
 #ifdef __cplusplus
 }  /* extern "C" */
 #endif
 
 #endif  // TOOLS_COMMON_H_