Optimize and convert MP4 videos to webm and mp4

optimize-convert-mp4-videos.sh

#!/bin/bash

read -e -p 'Filename: ' filename

#Get extension and filename
originalfilename="$filename"
extension="${filename##*.}"
filename="${filename%.*}"
scale="1280:720"

read -e -p 'Scale: ' -i "$scale" scale

if [ $extension == 'mov' ]
then
  mp4_audio_codec="mp3"
else
  mp4_audio_codec="copy"
fi

read -e -p 'Remove Audio? (y/n): ' REMOVE_AUDIO

if [ $REMOVE_AUDIO == "y" ]
then
  AUDIO_COMMAND_MP4="-an"
  AUDIO_COMMAND_WEBM="-an"
else
  AUDIO_COMMAND_MP4="-acodec ${mp4_audio_codec}"
  AUDIO_COMMAND_WEBM="-c:a libvorbis"
fi

echo $mp4_audio_codec

echo $AUDIO_COMMAND_MP4

echo "$filename"

echo "Converting to webm"
ffmpeg -i "$originalfilename" -c:v libvpx -crf 10 -b:v 1M -vf scale="$scale" $AUDIO_COMMAND_WEBM "$filename-optimized.webm"

echo "Converting to mp4"
ffmpeg -i "$originalfilename" -vcodec h264 $AUDIO_COMMAND_MP4 -vf scale="$scale" "$filename-optimized.mp4"