alac2flac

#!/bin/sh

echo ""
echo "alac2flac - script to convert ALAC audio to FLAC"
echo "By Arlindo \"Nighto\" Pereira"
echo "<nighto@nighto.net>"
echo "(C) 2010. Licensed on GPLv3"
echo ""

if [ "$1" ]
then
	# Trying to grab the cover art
	rm /tmp/alac2flac* 2> /dev/null
	#if [ "$2" ]
	#then
		#cp "$2" /tmp/alac2flac
	#else
		#rm /tmp/alac2flac* 2> /dev/null # should I prefer the embedded art or the given one? Think I should go with the second one.
		#mp4art "$1" /tmp/alac2flac 2> /dev/null
	#fi

	alac-decoder "$1" | flac - --output-name="`basename "$1" .m4a`.flac" --compression-level-8 \
		--tag=TITLE="$(mp4info "$1" | grep Name: | cut -d: -f 2 | cut -d' ' -f 2-)" \
		--tag=ARTIST="$(mp4info "$1" | grep Artist: | cut -d: -f 2 | cut -d' ' -f 2-)" \
		--tag=ALBUM="$(mp4info "$1" | grep Album: | cut -d: -f 2 | cut -d' ' -f 2-)" \
		--tag=DISCNUMBER="$(mp4info "$1" | grep Disk: | cut -d: -f 2 | cut -d' ' -f 2)" \
		--tag=DATE="$(mp4info "$1" | grep Year: | cut -d: -f 2 | cut -d' ' -f 2-)" \
		--tag=TRACKNUMBER="$(mp4info "$1" | grep Track: | cut -d: -f 2 | cut -d' ' -f 2)" \
		--tag=TRACKTOTAL="$(mp4info "$1" | grep Track: | cut -d: -f 2 | cut -d' ' -f 4)" \
		--tag=TOTALTRACKS="$(mp4info "$1" | grep Track: | cut -d: -f 2 | cut -d' ' -f 4)" \
		--tag=GENRE="$(mp4info "$1" | grep Genre: | cut -d: -f 2 | cut -d' ' -f 2-)" \
		#--picture=$(echo /tmp/alac2flac*) # FIXME: this will probably break if there's no picture at all.

else
	echo "Usage:"
	echo "alac2flac file.m4a [cover]"
	echo ""
exit 1
fi