mpd-thumbnail

#!/bin/bash
# Must have script for anyone using MPD; needs imv since it supports socket ctl
# shows local albumart for currently playing song
# Uses basically no CPU
music_dir=~/Music

[ -f /tmp/albumart ] && rm /tmp/albumart


imv -b "#222222" -s shrink & sleep "1.5" # Sleep necessary for imv to init
pid=$!

extract(){
	[ -f /tmp/albumart ] && rm /tmp/albumart
	song_path=$(mpc -f %file% | head -1)
	song_name=$(cut -f 1 -d '.' <(echo "$song_path"))
	if $(ffmpeg -loglevel 8 -i "$music_dir/$song_path" -f image2 "/tmp/albumart"); then true
	elif [ -f "$music_dir/$song_name.jpg" ]; then
		cp "$music_dir/$song_name.jpg" "/tmp/albumart"
	elif [ -f "$music_dir/$song_name.png" ]; then
		cp "$music_dir/$song_name.jpg" "/tmp/albumart"
	fi
}
display(){
	if [ -f /tmp/albumart ]; then
		imv-msg $pid "open /tmp/albumart" || exit
	fi
}
while true; do extract; display; mpc idle; done