#!/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.####  This file tests the libvpx twopass_encoder example. To add new tests to this##  file, do the following:##    1. Write a shell function (this is your test).##    2. Add the function to twopass_encoder_tests (on a new line).##. $(dirname $0)/tools_common.sh # Environment check: $YUV_RAW_INPUT is required.twopass_encoder_verify_environment() {  if [ ! -e "${YUV_RAW_INPUT}" ]; then    echo "Libvpx test data must exist in LIBVPX_TEST_DATA_PATH."    return 1  fi} # Runs twopass_encoder using the codec specified by $1 with a frame limit of# 100.twopass_encoder() {  local encoder="${LIBVPX_BIN_PATH}/twopass_encoder${VPX_TEST_EXE_SUFFIX}"  local codec="$1"  local output_file="${VPX_TEST_OUTPUT_DIR}/twopass_encoder_${codec}.ivf"   if [ ! -x "${encoder}" ]; then    elog "${encoder} does not exist or is not executable."    return 1  fi   eval "${VPX_TEST_PREFIX}" "${encoder}" "${codec}" "${YUV_RAW_INPUT_WIDTH}" \      "${YUV_RAW_INPUT_HEIGHT}" "${YUV_RAW_INPUT}" "${output_file}" 100 \      ${devnull} || return 1   [ -e "${output_file}" ] || return 1} twopass_encoder_vp8() {  if [ "$(vp8_encode_available)" = "yes" ]; then    twopass_encoder vp8 || return 1  fi} twopass_encoder_vp9() {  if [ "$(vp9_encode_available)" = "yes" ]; then    twopass_encoder vp9 || return 1  fi}  if [ "$(vpx_config_option_enabled CONFIG_REALTIME_ONLY)" != "yes" ]; then  twopass_encoder_tests="twopass_encoder_vp8                         twopass_encoder_vp9"   run_tests twopass_encoder_verify_environment "${twopass_encoder_tests}"fi