libvpx: Pull from upstream

source/libvpx/test/vp8cx_set_ref.sh

 #!/bin/sh
 ##
 ##  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.
 ##
@@ skipping 21 matching lines @@
   local encoder="${LIBVPX_BIN_PATH}/vp8cx_set_ref${VPX_TEST_EXE_SUFFIX}"
   local codec="$1"
   local output_file="${VPX_TEST_OUTPUT_DIR}/vp8cx_set_ref_${codec}.ivf"
   local ref_frame_num=90
 
   if [ ! -x "${encoder}" ]; then
     elog "${encoder} does not exist or is not executable."
     return 1
   fi
 
-  eval "${encoder}" "${YUV_RAW_INPUT_WIDTH}" "${YUV_RAW_INPUT_HEIGHT}" \
-      "${YUV_RAW_INPUT}" "${output_file}" "${ref_frame_num}" \
-      ${devnull}
+  eval "${VPX_TEST_PREFIX}" "${encoder}" "${YUV_RAW_INPUT_WIDTH}" \
+      "${YUV_RAW_INPUT_HEIGHT}" "${YUV_RAW_INPUT}" "${output_file}" \
+      "${ref_frame_num}" ${devnull}
 
   [ -e "${output_file}" ] || return 1
 }
 
 vp8cx_set_ref_vp8() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
     vpx_set_ref vp8 || return 1
   fi
 }
 
 vp8cx_set_ref_tests="vp8cx_set_ref_vp8"
 
 run_tests vp8cx_set_ref_verify_environment "${vp8cx_set_ref_tests}"