test/resize_util.sh

   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}"