export dir=*
convert(){
if [[ "$1" =~ \.mkv$ ]]; then
    echo "$(basename "${1/.mkv}")"
    ffmpeg -i "$1" -c:v libx265 -crf 20 -vf "scale=720:trunc(ow/a/2)*2" "$(basename "${1/.mkv}").mp4"
elif [[ "$1" =~ \.mp4$ ]]; then
    echo "$(basename "${1/.mp4}")"
    ffmpeg -i "$1" -c:v libx265 -crf 20 -vf "scale=720:trunc(ow/a/2)*2" "$(basename "${1/.mp4}").m4v"
elif [[ "$1" =~ \.m4v$ ]]; then
    echo "$(basename "${1/.m4v}")"
    ffmpeg -i "$1" -c:v libx265 -crf 20 -vf "scale=720:trunc(ow/a/2)*2" "$(basename "${1/.m4v}").mp4"
elif [[ "$1" =~ \.avi$ ]]; then
    echo "$(basename "${1/.avi}")"
    ffmpeg -i "$1" -c:v libx265 -crf 20 -vf "scale=720:trunc(ow/a/2)*2" "$(basename "${1/.avi}").mp4"
elif [[ "$1" =~ \.ogg$ ]]; then
    echo $1
    ffmpeg -i "$1" -f ffmetadata metadata.txt
    ffmpeg -i "$1" -f mp2 ffmetadata -i metadata.txt "$(basename "${1/.ogg}").mp3"
fi
}
for i in $dir; do
  if [ -d "$i" ]; then
    cd "$i"
    dir=$i
  fi
  FILESIZE=$(stat -c%s "$i")
  CODEC = $(mediainfo $i | grep Format)
  echo $CODEC
  WIDTH = $(mediainfo $i | grep Width)
  if expr match "$CODEC" "HEVC"; then
    if "$WIDTH" > "720"; then
        convert "$i"
    fi
  else
    convert "$i"
  fi
done