simple cmus cover art

cmus-status-display

#!/bin/sh
#
# cmus-status-display
#
# Usage:
#   in cmus command ":set status_display_program=cmus-status-display"
#
# This scripts is executed by cmus when status changes:
#   cmus-status-display key1 val1 key2 val2 ...
#
# All keys contain only chars a-z. Values are UTF-8 strings.
#
# Keys: status file url artist album discnumber tracknumber title date
#   - status (stopped, playing, paused) is always given
#   - file or url is given only if track is 'loaded' in cmus
#   - other keys/values are given only if they are available
#  

set_bg() {
    ## gnome
    gsettings set org.gnome.desktop.background picture-uri "file://$1"
    gsettings set org.gnome.desktop.background picture-options "scaled"
    ## other WMs
    #feh --bg-max "$1"
}

while test $# -ge 2
do
    eval _$1='$2'
    shift
    shift
done

if test "$_status" != "playing"; then
    set_bg "$DEFAULT_BACKGROUND"
elif test -n "$_file"; then
    ## look for cover art in folder
    cd "$(dirname "$_file")"
    images=$(find . -maxdepth 1 -name 'cover.*' -o -name '*.png' -o -name '*.jpg' -o -name '*.jpeg')
    if test -z "$images"; then
        ## extract cover from file
        ffmpeg -i "$_file" cover.jpg
        images="cover.jpg"
    fi
    cover=$(echo "$images" | head -n 1)
    cover=$(readlink -f "$cover")
    echo "$cover"

    ## set desktop background
    set_bg "$cover"
fi