ctpv/helpers.sh
Nikita Ivanov 647f07bab5
Minor
2022-05-29 01:38:29 +05:00

37 lines
855 B
Bash

fifo_open() {
# https://unix.stackexchange.com/a/522940/183147
dd oflag=nonblock conv=notrunc,nocreat count=0 of="$1" \
>/dev/null 2>/dev/null
}
setup_fifo() {
exit_code="${2:-127}"
fifo="$(printf '/tmp/ctpvfifo.%s' "${1:-$id}")"
[ -e "$fifo" ] || exit "$exit_code"
fifo_open "$fifo" || exit "$exit_code"
}
exists() {
command -v "$1" > /dev/null
}
check_exist() {
[ $? = 127 ] && exit 127
}
cache() {
cache_f="$("$ctpv" -C "$f")"
}
send_image() {
path="$(printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g')"
printf '{ "action": "add", "identifier": "preview", "x": %d, "y": %d, "width": %d, "height": %d, "scaler": "contain", "scaling_position_x": 0.5, "scaling_position_y": 0.5, "path": "%s"}\n' "$x" "$y" "$w" "$h" "$path" > "$fifo"
}
convert_and_show_image() {
setup_fifo
cache || "$@" || check_exist
send_image "$cache_f"
exit 1
}