[ -w "$_DATA" ] && [ -d "$_DATA" ] || die "storage directory must be writable"
# create directories for object storage
-for each in "$_DATA"/{cache,meta,mp4,videos,thumbs,trash,by_length}; do
+for each in "$_DATA"/{cache,meta,mp4,videos,thumbs,trash,by_length,transcoded}; do
[ ! -e "$each" ] && mkdir "$each"
[ -w "$each" ] && [ -d "$each" ] || die "storage $each must be a writable directory"
done