Convert video files in the specified path for my phone(SG4)

convert-videos-for-phone.sh

#!/bin/bash

if [ $# -ne 3 ]
then
    echo "Usage: $0 sourceExtension /path/to/source/files /path/to/save/converted/files"
    exit 65
fi


cd "$2"
for fileName in *"$1"; do
    baseFileName="${fileName%.*}"
    echo "Converting $fileName"
    sudo nice -n -15 mencoder "$fileName"  -oac mp3lame -ovc xvid -xvidencopts pass=1 -sid 0 -vf scale=480:320 -o "$3/$baseFileName.mp4" &> "/tmp/mencoder.log" 
done
echo "Done!"
echo