Bash Script for converting video files by using ffmpeg

convert.sh

#!/bin/bash
#brew install ffmpeg --with-vpx --with-vorbis --with-libvorbis --with-vpx --with-vorbis --with-theora --with-libogg --with-libvorbis --with-gpl --with-version3 --with-nonfree --with-postproc --with-libaacplus --with-libass --with-libcelt --with-libfaac --with-libfdk-aac --with-libfreetype --with-libmp3lame --with-libopencore-amrnb --with-libopencore-amrwb --with-libopenjpeg --with-openssl --with-libopus --with-libschroedinger --with-libspeex --with-libtheora --with-libvo-aacenc --with-libvorbis --with-libvpx --with-libx264 --with-libxvid
#$1 directory $2 input type $3 output type
#ffmpeg -i input.flv -vcodec libvpx -acodec libvorbis output.webm
find "$1" -type f -name "*.$2" | while read -r file; do
	filename=$(basename "$file" ".$2")
	dirname=$(dirname "$file")
	ffmpeg -i "$dirname/$filename.$2"  "$dirname/$filename.$3"
done

for mp3 convertion ffmpeg -i input.flac -ab 320k -map_metadata 0 -id3v2_version 3 output.mp3