#bash convert.sh
# convert all mp3 files to ogg files under the same directory
# command example: ffmpeg -i input.mp3 -c:a libvorbis -qscale:a 5 output.ogg




# ffmpeg -i "c02_吕萍_01_梦楼.mp3" -c:a libvorbis -qscale:a 8 "./ogg/c02_吕萍_01_梦楼.ogg"

# makdir ogg if not exist
if [ ! -d "./ogg" ]; then
	mkdir ogg
fi
# clear the ogg directory
rm -rf ./ogg/*
# convert all mp3 files to ogg files
for file in *.mp3
do
	# put the output files to the ./ogg directory
	# the quality range is from 0–10, where 10 is the highest quality and 3–7 are a good range to try
	ffmpeg -i "$file" -c:a libvorbis -qscale:a 8 "./ogg/${file}.ogg"
done