#!/bin/bash

###############################################################
# ks-crop (ks-tools) - Crop or change aspect ratio of a video #
# Date: 01-10-2023                                            #
# Author: q3aql                                               #
# Contact: q3aql@duck.com                                     #
###############################################################
VERSION="8.5-dev"
M_DATE="011023"

# Detect version ffmpeg for old releases
ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | head -1 | cut -d " " -f 3 | cut -d "." -f 1)
IFS="abcdefghijklmnopqrstyvwxzABCDEFHIJKLMNOPQRSTYVWXZ@/()"
ffmpeg_version=$(echo ${ffmpeg_version})
IFS=$' \t\n'
unset IFS
if [ -z "${ffmpeg_version}" ] ; then
  video_sync="vsync"
else
  if [ ${ffmpeg_version} -lt 5 ] ; then
    video_sync="vsync"
  else
    video_sync="fps_mode"
  fi
fi

# Global parameters
dirTemp="/tmp"
listTemp="ks-tools.list"
ksToolsTempFolder="/tmp/ks-tools"

# Resolution and parameters
to4_3="1920x1440"
to16_9="1920x1080"
to5_4="1920x1540"
toImax="1920x1346"
v_preset="medium"
vcodec="libx264"
b_vcodec="5000k"
acodec="copy"
v_ext="mkv"
default_lang_audio="spa"

# Empty variables
resolution=null
modeCrop=null
inputFile="${2}"

# Check cygwin alias (for Windows)
if [ -f "/usr/bin/cygwin-alias.sh" ] ; then
  shopt -s expand_aliases
  source "/usr/bin/cygwin-alias.sh"
fi

# Check if ffmpeg is installed
path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin $(brew --prefix)/bin"
dependencies="ffmpeg grep sed grep cut head tail tr cat"
dependencies_found=""
dependencies_not_found=""
for checkPath in ${path_check} ; do
  for checkDependencies in ${dependencies} ; do
    if [ -f ${checkPath}/${checkDependencies} ] ; then
      dependencies_found="${dependencies_found} ${checkDependencies}"
    fi
  done
done
for notFound in ${dependencies} ; do
  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
  if_not_found="${check_found_one}${check_found_two}"
  if [ -z "${if_not_found}" ] ; then
    dependencies_not_found="${dependencies_not_found} ${notFound}"
  fi
done
# Show if all tools are installed
if [ -z "${dependencies_not_found}" ] ; then
  echo > /dev/null
else
  echo ""
  echo "* ks-crop (ks-tools) v${VERSION} (${M_DATE})"
  echo ""
  echo "* Some required tools are not installed:${dependencies_not_found}"
  echo "* The process has been stopped"
  echo ""
  exit
fi

# Function to remove extension from file
# Syntax: removeExtension "<text>"
function removeExtension() {
  wordToConvert=${1}
  ksToolsSedFile="${ksToolsTempFolder}/ks-tools-${RANDOM}.txt"
  mkdir -p ${ksToolsTempFolder} && chmod 777 -R ${ksToolsTempFolder} 2> /dev/null
  echo "${wordToConvert}" > ${ksToolsSedFile}
  # Remove extensions
  sed -i 's/.avi//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.mp4//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.mkv//g' "${ksToolsSedFile}" &> /dev/null
  sed -i "s/.mov//g" "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.vob//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.mpg//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.mpeg//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.wmv//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.ogv//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.webm//g' "${ksToolsSedFile}" &> /dev/null
  sed -i 's/.flv//g' "${ksToolsSedFile}" &> /dev/null
  # Show file without extension
  wordToConvert=$(cat ${ksToolsSedFile})
  echo ${wordToConvert}
}

# Function to show files with spaces.
# Syntax: showFileWithSpace <file number>
function showFileWithSpace() {
  echo "${1}" > ${dirTemp}/name.tmp
  sed -i 's/_/ /g' ${dirTemp}/name.tmp
  DisplayName=$(cat ${dirTemp}/name.tmp)
  rm -rf ${dirTemp}/name.tmp
  echo ${DisplayName}
}

# Function to show menu again when syntax is wrong
function show_menu() {
  echo ""
  echo "* ks-crop (ks-tools) v${VERSION} (${M_DATE})"
  echo ""
  echo "- Crop or change aspect ratio of a video"
  echo ""
  echo "+ Config:"
  echo ""
  echo " - Resolutions: "
  echo "    + ${to4_3} (4:3)"
  echo "    + ${to16_9} (16:9)"
  echo "    + ${to5_4} (5:4)"
  echo "    + ${toImax} (IMAX)"
  echo " - Video codec: ${vcodec}"
  echo " - Bitrate video: ${b_vcodec}"
  echo " - Preset: ${v_preset}"
  echo " - Audio codec: ${acodec}"
  echo " - Default Audio: ${default_lang_audio}"
  echo " - Container: ${v_ext}"
  echo ""
  echo "+ Syntax: "
  echo ""
  echo "  $ ks-crop -16:9-crop <video-file>   --> Crop from 4:3/IMAX to 16:9 (1.77:1)"
  echo "  $ ks-crop -4:3-crop <video-file>    --> Crop from 16:9 to 4:3 (1.33:1)"
  echo "  $ ks-crop -5:4-crop <video-file>    --> Crop from 16:9 to 5:4 (1.25:1)"
  echo "  $ ks-crop -imax-crop <video-file>   --> Crop from 16:9 to IMAX (1.43:1)"
  echo ""
  echo "  $ ks-crop -16:9-aspect <video-file> --> Change aspect to 16:9 (stretched)"
  echo "  $ ks-crop -4:3-aspect <video-file>  --> Change aspect to 4:3 (stretched)"
  echo "  $ ks-crop -5:4-aspect <video-file>  --> Change aspect to 5:4 (stretched)"
  echo ""
  echo " + Examples: "
  echo "    ks-crop -16:9-crop /data/movies/Example.mkv"
  echo "    ks-crop -4:3-aspect /data/movies/Video.avi"
  echo ""
  exit
}

# Function to show error reading file
# Syntax: errorReadingFile <file>
function errorReadingFile() {
  echo ""
  echo "* ks-crop (ks-tools) v${VERSION} (${M_DATE})"
  echo ""
  echo "* The file '${1}' does not exist!"
  echo ""
  exit
}

# Conversion parameters
p_ffmpeg="ffmpeg -i"
p_ffmpeg_patched="-max_muxing_queue_size 9999"
# f_conversion="-vsync 1 -async 1" # Deprecated method
f_conversion="-${video_sync} cfr"
#f_conversion_crop="-${video_sync} cfr -async 1"
f_conversion_crop="-${video_sync} cfr"
# Check if video input uses H265 (HEVC)
codec_h265=$(${p_ffmpeg} "${2}" 2>&1 | grep Stream | tr -s " " | grep "Video:" | grep "h265")
codec_hevc=$(${p_ffmpeg} "${2}" 2>&1 | grep Stream | tr -s " " | grep "Video:" | grep "hevc")
yuv420p10le=$(${p_ffmpeg} "${2}" 2>&1 | grep Stream | tr -s " " | grep "Video:" | grep "yuv420p10le")
hevc_main10=$(${p_ffmpeg} "${2}" 2>&1 | grep Stream | tr -s " " | grep "Video:" | grep "Main 10")
hevc_profile_10bit="${yuv420p10le}${hevc_main10}"
codec_h265_hevc="${codec_h265}${codec_hevc}${yuv420p10le}"
if [ -z "${codec_h265_hevc}" ] ; then
  p_conversion="-c:v ${vcodec} -profile:v high -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
else
  if [ -z "${hevc_profile_10bit}" ] ; then
    p_conversion="-c:v ${vcodec} -profile:v high -pix_fmt yuv420p -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
  else
    #p_conversion="-c:v ${vcodec} -x264opts colorprim=bt2020:colormatrix=bt2020nc:transfer=smpte2084:chromaloc=2 -profile:v high -pix_fmt yuv420p -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
    p_conversion="-c:v ${vcodec} -profile:v high -pix_fmt yuv420p -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
  fi
fi

# Show menu with bad syntax
if [ "${1}" == "-16:9-crop" ] ; then
  echo > /dev/null
elif [ "${1}" == "-4:3-crop" ] ; then
  echo > /dev/null
elif [ "${1}" == "-5:4-crop" ] ; then
  echo > /dev/null
elif [ "${1}" == "-imax-crop" ] ; then
  echo > /dev/null
elif [ "${1}" == "-16:9-aspect" ] ; then
  echo > /dev/null
elif [ "${1}" == "-4:3-aspect" ] ; then
  echo > /dev/null
elif [ "${1}" == "-5:4-aspect" ] ; then
  echo > /dev/null
else
  show_menu
fi
if [ -f "${2}" ] ; then
  echo "detected" > /dev/null
else
  errorReadingFile "${2}"
fi

# Detect resolution of video file
detect_2=$(ffmpeg -i ${2} 2>&1 | grep Stream | tr -s " " | grep "Video:" | cut -d "," -f 2 | cut -d "[" -f 1 | tr -s " " | grep x)
detect_3=$(ffmpeg -i ${2} 2>&1 | grep Stream | tr -s " " | grep "Video:" | cut -d "," -f 3 | cut -d "[" -f 1 | tr -s " " | grep x)
detect_4=$(ffmpeg -i ${2} 2>&1 | grep Stream | tr -s " " | grep "Video:" | cut -d "," -f 4 | cut -d "[" -f 1 | tr -s " " | grep x)
detect_5=$(ffmpeg -i ${2} 2>&1 | grep Stream | tr -s " " | grep "Video:" | cut -d "," -f 5 | cut -d "[" -f 1 | tr -s " " | grep x)
resolution_detected="${detect_2}${detect_3}${detect_4}${detect_5}"
resolution_height=$(echo ${resolution_detected} | cut -d "x" -f 2)

# Set size crop to 16:9 (ih)
calculate_crop=$(expr ${resolution_height} / 4 2> /tmp/ks-tools.error)
# Check if number is correct
expr ${calculate_crop} + 1 &> /tmp/ks-tools.error
ih_error="$?"

if [ ${ih_error} -eq 0 ] ; then
  ih_size="${calculate_crop}"
else
  ih_size="0"
fi

# Function to crop videos
function crop_video() {
  echo ""
  echo "* Information of ${inputFile}:"
  echo ""
  echo "+ Video Tracks:"
  ${p_ffmpeg} "${inputFile}" 2>&1 | grep Stream | tr -s " " | grep "Video:" | cut -d "," -f 1
  echo ""
  echo "+ Audio Tracks:"
  ${p_ffmpeg} "${inputFile}" 2>&1 | grep Stream | tr -s " " | grep "Audio:" | cut -d "," -f 1
  echo ""
  # Check de video track by default
  video_default=$(${p_ffmpeg} "${inputFile}" 2>&1 | grep Stream | tr -s " " | grep "Video:" | cut -d " " -f 3 | cut -c2-5 | cut -d "(" -f 1 | cut -d "[" -f 1 | head -1)
  if [ -z "${video_default}" ] ; then
    video_default="0:0"
  else
    video_default_patch=$(echo ${video_default} | cut -c4)
    if [ "${video_default_patch}" == ":" ] ; then
      video_default=$(echo ${video_default} | cut -c1-3)
    else
      video_default="${video_default}"
    fi
  fi
  # Ask for video
  echo -n "* (Default: ${video_default}) Type the number of video track: " ; read video_track
  if [ -z "${video_track}" ] ; then
    video_track="${video_default}"
  else
    video_track="${video_track}"
  fi
  # Check the audio track by default
  audio_default=$(${p_ffmpeg} "${inputFile}" 2>&1 | grep Stream | tr -s " " | grep "Audio:" | grep "(${default_lang_audio})" | cut -d " " -f 3 | cut -c2-5 | cut -d "(" -f 1 | cut -d "[" -f 1 | head -1)
  if [ -z "${audio_default}" ] ; then
    audio_default=$(${p_ffmpeg} "${inputFile}" 2>&1 | grep Stream | tr -s " " | grep "Audio:" | cut -d " " -f 3 | cut -c2-5 | cut -d "(" -f 1 | cut -d "[" -f 1 | head -1)
    if [ -z "${audio_default}" ] ; then
      audio_default="0:1"
    else
      audio_default_patch=$(echo ${audio_default} | cut -c4)
      if [ "${audio_default_patch}" == ":" ] ; then
        audio_default=$(echo ${audio_default} | cut -c1-3)
      else
        audio_default="${audio_default}"
      fi
    fi
  else
    audio_default_patch=$(echo ${audio_default} | cut -c4)
    if [ "${audio_default_patch}" == ":" ] ; then
      audio_default=$(echo ${audio_default} | cut -c1-3)
    else
      audio_default="${audio_default}"
    fi
  fi
  # Ask for audio
  echo -n "* (Default: ${audio_default}) Type the number of audio track: " ; read audio_track
  if [ -z "${audio_track}" ] ; then
    audio_track="${audio_default}"
  else
    audio_track="${audio_track}"
  fi
  # Ask for bitrate video
  bitrate_default="${b_vcodec}"
  echo -n "* (Default: ${b_vcodec}) Type the bitrate (${vcodec}): " ; read bitrate_video
  if [ -z "${bitrate_video}" ] ; then
    b_vcodec="${bitrate_default}"
  else
    b_vcodec="${bitrate_video}"
  fi
  # Reload p_conversion variable
  if [ -z "${codec_h265_hevc}" ] ; then
    p_conversion="-c:v ${vcodec} -profile:v high -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
  else
    if [ -z "${hevc_profile_10bit}" ] ; then
      p_conversion="-c:v ${vcodec} -profile:v high -pix_fmt yuv420p -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
    else
      #p_conversion="-c:v ${vcodec} -x264opts colorprim=bt2020:colormatrix=bt2020nc:transfer=smpte2084:chromaloc=2 -profile:v high -pix_fmt yuv420p -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
      p_conversion="-c:v ${vcodec} -profile:v high -pix_fmt yuv420p -b:v ${b_vcodec} -preset ${v_preset} -c:a ${acodec}"
    fi
  fi
  # Ask for patched
  echo -n "* (Default: n) Do you want apply '-max_muxing_queue_size 9999' patch? (y/n): " ; read patch_thread
  if [ "${patch_thread}" == "y" ] ; then
    patch_thread="y"
  else
    patch_thread="n"
  fi

  # Check diferent modes
  if [ "${modeCrop}" == "16:9-crop" ] ; then
    inputFileOut=$(removeExtension ${inputFile})
    # Show commands for conversion
    echo ""
    echo "* COMMAND THAT WILL BE EXECUTED:"
    echo ""
    inputFileSave="${inputFile}"
    ih_sizeSave="${ih_size}"
    if [ ${ih_size} -eq 0 ] ; then
      if [ "${patch_thread}" == "y" ] ; then
        echo "  # Error detecting file resolution. The generic solution is applied (slower)"
        echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -s 1920x1440 ${p_conversion} ${p_ffmpeg_patched} \"${inputFileOut}-resize.${v_ext}\""
        echo ""
        inputFile="${inputFileOut}-resize.${v_ext}"
        ih_size="360"
      else
        echo "  # Error detecting file resolution. The generic solution is applied (slower)"
        echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -s 1920x1440 ${p_conversion} \"${inputFileOut}-resize.${v_ext}\""
        echo ""
        inputFile="${inputFileOut}-resize.${v_ext}"
        ih_size="360"
      fi
    else
      echo "  # File detected with resolution" ${resolution_detected} "(ih ${ih_size})"
    fi
    echo "  # Crop '${inputFile}' from 4:3/IMAX to 16:9 (1.77:1)"
    if [ "${patch_thread}" == "y" ] ; then
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v \"crop=iw:ih-${ih_size}\" -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} \"${inputFileOut}-crop.${v_ext}\""
    else
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v \"crop=iw:ih-${ih_size}\" -s ${resolution} ${p_conversion} \"${inputFileOut}-crop.${v_ext}\""
    fi
    # Execute commands for conversion
    echo ""
    echo -n "* (Default: y) Do you want run the conversion? (y/n): " ; read run_commands_ffmpeg
    if [ "${run_commands_ffmpeg}" == "n" ] ; then
      exit
    else
      inputFile="${inputFileSave}"
      ih_size="${ih_sizeSave}"
      inputFileOut=$(removeExtension ${inputFile})
      if [ ${ih_size} -eq 0 ] ; then
        if [ "${patch_thread}" == "y" ] ; then
          ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -s 1920x1440 ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-resize.${v_ext}"
          inputFile="${inputFileOut}-resize.${v_ext}"
          ih_size="360"
        else
          ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -s 1920x1440 ${p_conversion} "${inputFileOut}-resize.${v_ext}"
          inputFile="${inputFileOut}-resize.${v_ext}"
          ih_size="360"
        fi
      fi
      if [ "${patch_thread}" == "y" ] ; then
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=iw:ih-${ih_size}" -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-crop.${v_ext}"
      else
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=iw:ih-${ih_size}" -s ${resolution} ${p_conversion} "${inputFileOut}-crop.${v_ext}"
      fi
    fi
  elif [ "${modeCrop}" == "4:3-crop" ] ; then
    inputFileOut=$(removeExtension ${inputFile})
    # Show commands for conversion
    echo ""
    echo "* COMMAND THAT WILL BE EXECUTED:"
    echo ""
    echo "  # File detected with resolution" ${resolution_detected}
    echo "  # Crop '${inputFile}' from 16:9 to 4:3 (1.33:1)"
    if [ "${patch_thread}" == "y" ] ; then
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v \"crop=ih/3*4:ih\" -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} \"${inputFileOut}-crop.${v_ext}\""
    else
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v \"crop=ih/3*4:ih\" -s ${resolution} ${p_conversion} \"${inputFileOut}-crop.${v_ext}\""
    fi
    # Execute commands for conversion
    echo ""
    echo -n "* (Default: y) Do you want run the conversion? (y/n): " ; read run_commands_ffmpeg
    if [ "${run_commands_ffmpeg}" == "n" ] ; then
      exit
    else
      if [ "${patch_thread}" == "y" ] ; then
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=ih/3*4:ih" -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-crop.${v_ext}"
      else
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=ih/3*4:ih" -s ${resolution} ${p_conversion} "${inputFileOut}-crop.${v_ext}"
      fi
    fi
  elif [ "${modeCrop}" == "5:4-crop" ] ; then
    inputFileOut=$(removeExtension ${inputFile})
    # Show commands for conversion
    echo ""
    echo "* COMMAND THAT WILL BE EXECUTED:"
    echo ""
    echo "  # File detected with resolution" ${resolution_detected}
    echo "  # Crop '${inputFile}' from 16:9 to 5:4 (1.25:1)"
    if [ "${patch_thread}" == "y" ] ; then
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v \"crop=ih/4*5:ih\" -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} \"${inputFileOut}-crop.${v_ext}\""
    else
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v \"crop=ih/4*5:ih\" -s ${resolution} ${p_conversion} \"${inputFileOut}-crop.${v_ext}\""
    fi
    # Execute commands for conversion
    echo ""
    echo -n "* (Default: y) Do you want run the conversion? (y/n): " ; read run_commands_ffmpeg
    if [ "${run_commands_ffmpeg}" == "n" ] ; then
      exit
    else
      if [ "${patch_thread}" == "y" ] ; then
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=ih/4*5:ih" -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-crop.${v_ext}"
      else
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=ih/4*5:ih" -s ${resolution} ${p_conversion} "${inputFileOut}-crop.${v_ext}"
      fi
    fi
  elif [ "${modeCrop}" == "imax-crop" ] ; then
    inputFileOut=$(removeExtension ${inputFile})
    # Show commands for conversion
    echo ""
    echo "* COMMAND THAT WILL BE EXECUTED:"
    echo ""
    echo "  # File detected with resolution" ${resolution_detected}
    echo "  # Crop '${inputFile}' from 16:9 to IMAX (1.43:1)"
    if [ "${patch_thread}" == "y" ] ; then
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v \"crop=ih/2.79*4:ih\" -s ${resolution} ${f_conversion_crop} ${p_ffmpeg_patched} \"${inputFileOut}-crop.${v_ext}\""
    else
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -filter:v \"crop=ih/2.79*4:ih\" -s ${resolution} ${p_conversion} \"${inputFileOut}-crop.${v_ext}\""
    fi
    # Execute commands for conversion
    echo ""
    echo -n "* (Default: y) Do you want run the conversion? (y/n): " ; read run_commands_ffmpeg
    if [ "${run_commands_ffmpeg}" == "n" ] ; then
      exit
    else
      if [ "${patch_thread}" == "y" ] ; then
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=ih/2.79*4:ih" -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-crop.${v_ext}"
      else
        ${p_ffmpeg} "${inputFile}" ${f_conversion_crop} -map ${video_track} -map ${audio_track} -filter:v "crop=ih/2.79*4:ih" -s ${resolution} ${p_conversion} "${inputFileOut}-crop.${v_ext}"
      fi
    fi
  elif [ "${modeCrop}" == "16:9-aspect" ] ; then
    inputFileOut=$(removeExtension ${inputFile})
    # Show commands for conversion
    echo ""
    echo "* COMMAND THAT WILL BE EXECUTED:"
    echo ""
    echo "  # File detected with resolution" ${resolution_detected}
    echo "  # Change '${inputFile}' aspect to 16:9 (stretched)"
    if [ "${patch_thread}" == "y" ] ; then
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 16:9 -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} \"${inputFileOut}-aspect.${v_ext}\""
    else
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 16:9 -s ${resolution} ${p_conversion} \"${inputFileOut}-aspect.${v_ext}\""
    fi
    # Execute commands for conversion
    echo ""
    echo -n "* (Default: y) Do you want run the conversion? (y/n): " ; read run_commands_ffmpeg
    if [ "${run_commands_ffmpeg}" == "n" ] ; then
      exit
    else
      if [ "${patch_thread}" == "y" ] ; then
        ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 16:9 -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-aspect.${v_ext}"
      else
        ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 16:9 -s ${resolution} ${p_conversion} "${inputFileOut}-aspect.${v_ext}"
      fi
    fi
  elif [ "${modeCrop}" == "4:3-aspect" ] ; then
    inputFileOut=$(removeExtension ${inputFile})
    # Show commands for conversion
    echo ""
    echo "* COMMAND THAT WILL BE EXECUTED:"
    echo ""
    echo "  # File detected with resolution" ${resolution_detected}
    echo "  # Change '${inputFile}' aspect to 4:3 (stretched)"
    if [ "${patch_thread}" == "y" ] ; then
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 4:3 -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} \"${inputFileOut}-aspect.${v_ext}\""
    else
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 4:3 -s ${resolution} ${p_conversion} \"${inputFileOut}-aspect.${v_ext}\""
    fi
    # Execute commands for conversion
    echo ""
    echo -n "* (Default: y) Do you want run the conversion? (y/n): " ; read run_commands_ffmpeg
    if [ "${run_commands_ffmpeg}" == "n" ] ; then
      exit
    else
      if [ "${patch_thread}" == "y" ] ; then
        ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 4:3 -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-aspect.${v_ext}"
      else
        ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 4:3 -s ${resolution} ${p_conversion} "${inputFileOut}-aspect.${v_ext}"
      fi
    fi
  elif [ "${modeCrop}" == "5:4-aspect" ] ; then
    inputFileOut=$(removeExtension ${inputFile})
    # Show commands for conversion
    echo ""
    echo "* COMMAND THAT WILL BE EXECUTED:"
    echo ""
    echo "  # File detected with resolution" ${resolution_detected}
    echo "  # Change '${inputFile}' aspect to 5:4 (stretched)"
    if [ "${patch_thread}" == "y" ] ; then
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 5:4 -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} \"${inputFileOut}-aspect.${v_ext}\""
    else
      echo "  ${p_ffmpeg} \"${inputFile}\" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 5:4 -s ${resolution} ${p_conversion} \"${inputFileOut}-aspect.${v_ext}\""
    fi
    # Execute commands for conversion
    echo ""
    echo -n "* (Default: y) Do you want run the conversion? (y/n): " ; read run_commands_ffmpeg
    if [ "${run_commands_ffmpeg}" == "n" ] ; then
      exit
    else
      if [ "${patch_thread}" == "y" ] ; then
        ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 5:4 -s ${resolution} ${p_conversion} ${p_ffmpeg_patched} "${inputFileOut}-aspect.${v_ext}"
      else
        ${p_ffmpeg} "${inputFile}" ${f_conversion} -map ${video_track} -map ${audio_track} -aspect 5:4 -s ${resolution} ${p_conversion} "${inputFileOut}-aspect.${v_ext}"
      fi
    fi
  else
    show_menu
  fi
}

# Syntax: ks-crop <option> </absolute/path/video.mkv>
if [ -z "${1}" ] ; then
  show_menu
  exit
fi
if [ -f "${2}" ] ; then
  echo "detected" > /dev/null
else
  errorReadingFile "${2}"
fi

# Define variables for crop_video function
if [ "${1}" == "-16:9-crop" ] ; then
  modeCrop="16:9-crop"
  resolution="${to16_9}"
  crop_video
elif [ "${1}" == "-4:3-crop" ] ; then
  modeCrop="4:3-crop"
  resolution="${to4_3}"
  crop_video
elif [ "${1}" == "-5:4-crop" ] ; then
  modeCrop="5:4-crop"
  resolution="${to5_4}"
  crop_video
elif [ "${1}" == "-imax-crop" ] ; then
  modeCrop="imax-crop"
  resolution="${toImax}"
  crop_video
elif [ "${1}" == "-16:9-aspect" ] ; then
  modeCrop="16:9-aspect"
  resolution="${to16_9}"
  crop_video
elif [ "${1}" == "-4:3-aspect" ] ; then
  modeCrop="4:3-aspect"
  resolution="${to4_3}"
  crop_video
elif [ "${1}" == "-5:4-aspect" ] ; then
  modeCrop="5:4-aspect"
  resolution="${to5_4}"
  crop_video
else
  show_menu
fi