Compressing Large video files

#!/bin/bash

pwdir=`pwd`

ls -ltrh *.mp4 | awk {'print $9'} | grep -v onverted | sed "s/^/$(pwdir;)/g" > /tmp/video.txt

while read video
do
  rota=`exiftool $video | grep Rotat | cut -d: -f2 | tr -d " "`
  echo "The value of Rotation in Filed using exiftool is $rota"

  if [ $rota -gt 0 ]; then
    rotatevalue=`echo -n vfilter=rotate,scale=Auto`
  else
    rotatevalue=`echo -n scale=Auto`
  fi

  outputvideo=`echo $video | sed 's/$pwdir//'`
  echo "vlc -I dummy $video \":sout=#transcode{vcodec=h264,$rotatevalue}:std{access=file{no-overwrite},mux=mp4,dst='/tmp/Converted_$outputvideo'}\" vlc://quit" | sh
  mv /tmp/Converted_$outputvideo $pwdir

  if [ -d $pwdir/orig ]; then
     echo "Your original video will be pushed here"
     mv $video $pwdir/orig/
  else
     echo "Now creating the Original Folder"
     echo "Your original video will be pushed here $pwdir"
     mkdir $pwdir/orig
     mv $video $pwdir/orig/
  fi

done < /tmp/video.txt