# The copyright in this software is being made available under the BSD
# License, included below. This software may be subject to other third party
# and contributor rights, including patent rights, and no such rights are
# granted under this license.  
#
# Copyright (c) 2010-2014, ITU/ISO/IEC
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#  * Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
#    be used to endorse or promote products derived from this software without
#    specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.

# This files contains shell code that is common to both encodeCommand.sh and targetBitrates.sh.

# Run this function to validate a "-option value" pair of arguments
function checkDollarTwo {
  if [[ "" == $2 ]] ; then
    printf "An argument must follow $1.\n" >&2
    outputUsageAndExit
  fi
}

# If the second argument is empty (not provided), output an error message and the usage, and then exit
function verifyProvided {
  if [[ "" == $2 ]] ; then
    printf "The $1 parameter must be provided.\n" >&2
    outputUsageAndExit
  fi
}

function verifyNotDirectory {
  if [[ `printf "$2\n" | grep '/$'` != "" ]] ; then
    printf "The $1 parameter cannot be a directory.\n" >&2
    outputUsageAndExit
  fi
}

function verifyDirectory {
  if [[ "" == `printf "$2\n" | grep '/$'` ]] ; then
    printf "The $1 parameter must be a directory.\n" >&2
    outputUsageAndExit
  fi
}

function verifyConfigurationIdentifier {
  case $configurationIdentifier in
    ldLC) ;;
    raLC) ;;
    inLC) ;;
    ldHE) ;;
    raHE) ;;
    inHE) ;;
    *)
      printf "The provided $CONFIGURATION_IDENTIFIER_STRING is invalid.  It must be \"ldLC\", \"raLC\", \"inLC\", \"ldHE\", \"raHE\", or \"inHE\".\n" >&2
      outputUsageAndExit
      ;;
  esac
}

function verifyQ {
  case $1 in
    22)  ;;
    27)  ;;
    32)  ;;
    37)  ;;
    *)
      printf "The provided $Q_STRING, \"$1\", is invalid.  It must be \"22\", \"27\", \"32\", or \"37\".\n" >&2
      outputUsageAndExit
    ;;
  esac
}

Q_OPTION="-q"
EXECUTABLE_OPTION="-e"
CONFIGURATION_IDENTIFIER_OPTION="-ci"
OUTPUT_DIRECTORY_OPTION="-o"
EXTRA_ARGUMENTS_OPTION="-ea"
CONFIGURATION_PATH_OPTION="-cp"
CONFIGURATION_DIRECTORY_OPTION="-cd"

Q_STRING="q ($Q_OPTION)"
CONFIGURATION_IDENTIFIER_STRING="configuration identifier ($CONFIGURATION_IDENTIFIER_OPTION)"
INPUT_NAME_STRING="input name"
OUTPUT_DIRECTORY_STRING="output directory ($OUTPUT_DIRECTORY_OPTION)"

USAGE_INDENT="  "
INPUT_NAME_USAGE_STRING=inputName
CONFIGURATION_IDENTIFIER_USAGE_STRING=configurationIdentifier
Q_USAGE_STRING=q
OUTPUT_DIRECTORY_USAGE_STRING=outputDirectory
EXTRA_ARGUMENTS_USAGE_STRING=extraArguments

function outputConfigurationIdentifierUsage {
  echo "${USAGE_INDENT}$CONFIGURATION_IDENTIFIER_USAGE_STRING specifies the configuration (ldHE, ldLC, raHE, raLC, inHE, or inLC)." >&2
}

function outputQUsage {
  echo "${USAGE_INDENT}$Q_USAGE_STRING is the QP value (22, 27, 32, or 37)." >&2
}

function outputOutputDirectoryUsage {
  echo "${USAGE_INDENT}$OUTPUT_DIRECTORY_USAGE_STRING is the directory that will contain the output log, YUV, and bin." >&2
}

function outputInputNameUsage {
  echo "${USAGE_INDENT}$INPUT_NAME_USAGE_STRING is the name of the input sequence.  Must be one of the following:" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}NebutaFestival_2560x1600_60_10bit_crop" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}SteamLocomotiveTrain_2560x1600_60_10bit_crop" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}Traffic_2560x1600_30_crop" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}PeopleOnStreet_2560x1600_30_crop" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BQTerrace_1920x1080_60" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BasketballDrive_1920x1080_50" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}Cactus_1920x1080_50" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}Kimono1_1920x1080_24" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}ParkScene_1920x1080_24" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}vidyo1_720p_60" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}vidyo3_720p_60" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}vidyo4_720p_60" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}RaceHorses_832x480_30" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BQMall_832x480_60" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}PartyScene_832x480_50" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BasketballDrill_832x480_50" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}RaceHorses_416x240_30" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BQSquare_416x240_60" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BlowingBubbles_416x240_50" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BasketballPass_416x240_50" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}BasketballDrillText_832x480_50" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}Chinaspeed_1024x768_30" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}SlideEditing_1280x720_30" >&2
  echo "${USAGE_INDENT}${USAGE_INDENT}SlideShow_1280x720_20" >&2
}