119 lines
2.9 KiB
Bash
Executable File
119 lines
2.9 KiB
Bash
Executable File
#!/bin/env bash
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#----- Optimized bars animation without much CPU usage increase --------
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#----- Optimized bars animation without much CPU usage increase pt2 --------
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scrDir=$(dirname "$(realpath "$0")")
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# shellcheck source=/dev/null
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. "${scrDir}/globalcontrol.sh"
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usage() {
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cat <<HELP
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Usage: $(basename "$0") [OPTIONS]
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Options:
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--bar <waybar_cava_bar> Specify the characters to use for the bar animation (default: ▁▂▃▄▅▆▇█).
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--width <waybar_cava_width> Specify the width of the bar.
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--range <waybar_cava_range> Specify the range of the bar.
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--help Display this help message and exit.
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--restart Restart the waybar_cava.
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--mode <waybar_cava_stbmode> Specify the standby mode for waybar cava (default: 0).
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HELP
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exit 1
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}
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# Parse command line arguments using getopt
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if ! ARGS=$(getopt -o "hr" -l "help,bar:,width:,range:,restart,mode:" -n "$0" -- "$@"); then
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usage
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fi
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eval set -- "$ARGS"
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while true; do
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case "$1" in
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--help | -h)
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usage
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;;
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--bar)
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waybar_cava_bar="$2"
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shift 2
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;;
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--width)
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waybar_cava_width="$2"
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shift 2
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;;
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--range)
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waybar_cava_range="$2"
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shift 2
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;;
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--restart) # restart the waybar_cava
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pkill -f "cava -p /tmp/bar_cava_config"
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exit 0
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;;
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--mode)
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waybar_cava_stbmode="$2"
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shift 2
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;;
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--)
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shift
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break
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;;
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*)
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usage
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;;
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esac
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done
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bar="${waybar_cava_bar:-▁▂▃▄▅▆▇█}"
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dict="s/;//g"
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# Calculate the length of the bar outside the loop
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bar_length=${#bar}
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bar_width=${waybar_cava_width:-${bar_length}}
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bar_range=${waybar_cava_range:-$((bar_length - 1))}
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standby_mode=${waybar_cava_stbmode:-3} # 0:clean, 1:blank, 2:full,3:last
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if [ "${standby_mode}" -le 0 ]; then unset standby_bar; fi
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#
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# Create dictionary to replace char with bar
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i=0
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while [ $i -lt "${bar_length}" ] || [ $i -lt "${bar_width}" ]; do
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if [ $i -lt "${bar_length}" ]; then
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dict="$dict;s/$i/${bar:$i:1}/g"
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fi
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if [ $i -lt "${bar_width}" ] && [ "${standby_mode}" -gt 0 ]; then
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if [ "${standby_mode}" -eq 2 ]; then
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standby_bar="$standby_bar${bar:$i:1}"
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elif [ "${standby_mode}" -eq 1 ]; then
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standby_bar="$standby_bar "
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fi
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fi
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((i++))
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done
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# Create cava config
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config_file="/tmp/bar_cava_config"
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cat >"$config_file" <<EOF
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[general]
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bars = ${bar_width}
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sleep_timer = 1
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[input]
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method = pulse
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source = auto
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[output]
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method = raw
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raw_target = /dev/stdout
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data_format = ascii
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ascii_max_range = ${bar_range}
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EOF
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listen_to_cava() {
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echo ""
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while IFS= read -r line; do
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if grep -qE "^0;(0;)*$" <<<"$line" && [ "${standby_mode}" -ne 3 ]; then echo "${standby_bar}" && continue; fi
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sed -u "$dict" <<<"${line}"
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done < <(cava -p "$config_file")
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}
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# Call the function
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listen_to_cava &
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disown # saves a tiny bit of memory
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