mirror of
https://github.com/NikitaIvanovV/ctpv.git
synced 2024-11-24 13:53:07 +01:00
33 lines
801 B
Bash
33 lines
801 B
Bash
echo_err() {
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echo "$@" >&2
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}
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fifo_open() {
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# https://unix.stackexchange.com/a/522940/183147
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dd oflag=nonblock conv=notrunc,nocreat count=0 of="$1" \
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>/dev/null 2>/dev/null
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}
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setup_fifo() {
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exit_code="${1:-127}"
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[ -n "$fifo" ] || exit "$exit_code"
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[ -e "$fifo" ] || exit "$exit_code"
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fifo_open "$fifo" || exit "$exit_code"
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}
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exists() {
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command -v "$1" >/dev/null
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}
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send_image() {
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path="$(printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g')"
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printf '{ "action": "add", "identifier": "preview", "x": %d, "y": %d, "width": %d, "height": %d, "scaler": "contain", "scaling_position_x": 0.5, "scaling_position_y": 0.5, "path": "%s"}\n' "$x" "$y" "$w" "$h" "$path" > "$fifo"
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return 1
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}
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convert_and_show_image() {
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setup_fifo
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[ -n "$cache_valid" ] || "$@" || exit "$?"
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send_image "$cache_f"
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}
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