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: $YUV_RAW_INPUT is required.
19resize_util_verify_environment() {
20  if [ ! -e "${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. $1 is the output
27# dimensions that will be passed to resize_util.
28resize_util() {
29  local resizer="${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 $YUV_RAW_INPUT using resize_util().
51resize_down() {
52  local target_width=$((${YUV_RAW_INPUT_WIDTH} / 2))
53  local target_height=$((${YUV_RAW_INPUT_HEIGHT} / 2))
54
55  resize_util "${target_width}x${target_height}"
56}
57
58# Doubles each dimension of $YUV_RAW_INPUT using resize_util().
59resize_up() {
60  local target_width=$((${YUV_RAW_INPUT_WIDTH} * 2))
61  local target_height=$((${YUV_RAW_INPUT_HEIGHT} * 2))
62
63  resize_util "${target_width}x${target_height}"
64}
65
66resize_util_tests="resize_down
67                   resize_up"
68
69run_tests resize_util_verify_environment "${resize_util_tests}"
70