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      1 #!/bin/sh
      2 ##
      3 ##  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
      4 ##
      5 ##  Use of this source code is governed by a BSD-style license
      6 ##  that can be found in the LICENSE file in the root of the source
      7 ##  tree. An additional intellectual property rights grant can be found
      8 ##  in the file PATENTS.  All contributing project authors may
      9 ##  be found in the AUTHORS file in the root of the source tree.
     10 ##
     11 ##  This file tests the libvpx resize_util example code. To add new tests to
     12 ##  this file, do the following:
     13 ##    1. Write a shell function (this is your test).
     14 ##    2. Add the function to resize_util_tests (on a new line).
     15 ##
     16 . $(dirname $0)/tools_common.sh
     17 
     18 # Environment check: $YUV_RAW_INPUT is required.
     19 resize_util_verify_environment() {
     20   if [ ! -e "${YUV_RAW_INPUT}" ]; then
     21     echo "Libvpx test data must exist in LIBVPX_TEST_DATA_PATH."
     22     return 1
     23   fi
     24 }
     25 
     26 # Resizes $YUV_RAW_INPUT using the resize_util example. $1 is the output
     27 # dimensions that will be passed to resize_util.
     28 resize_util() {
     29   local resizer="${LIBVPX_BIN_PATH}/resize_util${VPX_TEST_EXE_SUFFIX}"
     30   local output_file="${VPX_TEST_OUTPUT_DIR}/resize_util.raw"
     31   local frames_to_resize="10"
     32   local target_dimensions="$1"
     33 
     34   # resize_util is available only when CONFIG_SHARED is disabled.
     35   if [ -z "$(vpx_config_option_enabled CONFIG_SHARED)" ]; then
     36     if [ ! -x "${resizer}" ]; then
     37       elog "${resizer} does not exist or is not executable."
     38       return 1
     39     fi
     40 
     41     eval "${VPX_TEST_PREFIX}" "${resizer}" "${YUV_RAW_INPUT}" \
     42         "${YUV_RAW_INPUT_WIDTH}x${YUV_RAW_INPUT_HEIGHT}" \
     43         "${target_dimensions}" "${output_file}" ${frames_to_resize} \
     44         ${devnull}
     45 
     46     [ -e "${output_file}" ] || return 1
     47   fi
     48 }
     49 
     50 # Halves each dimension of $YUV_RAW_INPUT using resize_util().
     51 resize_down() {
     52   local target_width=$((${YUV_RAW_INPUT_WIDTH} / 2))
     53   local target_height=$((${YUV_RAW_INPUT_HEIGHT} / 2))
     54 
     55   resize_util "${target_width}x${target_height}"
     56 }
     57 
     58 # Doubles each dimension of $YUV_RAW_INPUT using resize_util().
     59 resize_up() {
     60   local target_width=$((${YUV_RAW_INPUT_WIDTH} * 2))
     61   local target_height=$((${YUV_RAW_INPUT_HEIGHT} * 2))
     62 
     63   resize_util "${target_width}x${target_height}"
     64 }
     65 
     66 resize_util_tests="resize_down
     67                    resize_up"
     68 
     69 run_tests resize_util_verify_environment "${resize_util_tests}"
     70