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@@ -0,0 +1,180 @@
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#!/usr/bin/env bash |
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# Displays the default device, volume, and mute status for i3blocks |
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set -a |
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AUDIO_HIGH_SYMBOL=${AUDIO_HIGH_SYMBOL:-' '} |
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AUDIO_MED_THRESH=${AUDIO_MED_THRESH:-50} |
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AUDIO_MED_SYMBOL=${AUDIO_MED_SYMBOL:-' '} |
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AUDIO_LOW_THRESH=${AUDIO_LOW_THRESH:-0} |
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AUDIO_LOW_SYMBOL=${AUDIO_LOW_SYMBOL:-' '} |
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AUDIO_MUTED_SYMBOL=${AUDIO_MUTED_SYMBOL:-' '} |
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AUDIO_DELTA=${AUDIO_DELTA:-5} |
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DEFAULT_COLOR=${DEFAULT_COLOR:-"#ffffff"} |
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MUTED_COLOR=${MUTED_COLOR:-"#a0a0a0"} |
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LONG_FORMAT=${LONG_FORMAT:-'${SYMB} ${VOL}% [${INDEX}:${NAME}]'} |
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SHORT_FORMAT=${SHORT_FORMAT:-'${SYMB} ${VOL}% [${INDEX}]'} |
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USE_ALSA_NAME=${USE_ALSA_NAME:-0} |
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USE_DESCRIPTION=${USE_DESCRIPTION:-0} |
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SUBSCRIBE=${SUBSCRIBE:-0} |
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MIXER=${MIXER:-""} |
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SCONTROL=${SCONTROL:-""} |
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while getopts F:Sf:adH:M:L:X:T:t:C:c:i:m:s:h opt; do |
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case "$opt" in |
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S) SUBSCRIBE=1 ;; |
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F) LONG_FORMAT="$OPTARG" ;; |
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f) SHORT_FORMAT="$OPTARG" ;; |
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a) USE_ALSA_NAME=1 ;; |
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d) USE_DESCRIPTION=1 ;; |
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H) AUDIO_HIGH_SYMBOL="$OPTARG" ;; |
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M) AUDIO_MED_SYMBOL="$OPTARG" ;; |
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L) AUDIO_LOW_SYMBOL="$OPTARG" ;; |
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X) AUDIO_MUTED_SYMBOL="$OPTARG" ;; |
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T) AUDIO_MED_THRESH="$OPTARG" ;; |
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t) AUDIO_LOW_THRESH="$OPTARG" ;; |
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C) DEFAULT_COLOR="$OPTARG" ;; |
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c) MUTED_COLOR="$OPTARG" ;; |
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i) AUDIO_DELTA="$OPTARG" ;; |
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m) MIXER="$OPTARG" ;; |
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s) SCONTROL="$OPTARG" ;; |
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h) printf \ |
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"Usage: volume-pulseaudio [-S] [-F format] [-f format] [-p] [-a|-d] [-H symb] [-M symb] |
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[-L symb] [-X symb] [-T thresh] [-t thresh] [-C color] [-c color] [-i inter] |
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[-m mixer] [-s scontrol] [-j] [-h] |
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Options: |
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-F, -f\tOutput format (-F long format, -f short format) to use, with exposed variables: |
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\${SYMB}, \${VOL}, \${INDEX}, \${NAME} |
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-S\tSubscribe to volume events (requires persistent block, always uses long format) |
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-a\tUse ALSA name if possible |
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-d\tUse device description instead of name if possible |
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-H\tSymbol to use when audio level is high. Default: '$AUDIO_HIGH_SYMBOL' |
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-M\tSymbol to use when audio level is medium. Default: '$AUDIO_MED_SYMBOL' |
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-L\tSymbol to use when audio level is low. Default: '$AUDIO_LOW_SYMBOL' |
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-X\tSymbol to use when audio is muted. Default: '$AUDIO_MUTED_SYMBOL' |
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-T\tThreshold for medium audio level. Default: $AUDIO_MED_THRESH |
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-t\tThreshold for low audio level. Default: $AUDIO_LOW_THRESH |
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-C\tColor for non-muted audio. Default: $DEFAULT_COLOR |
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-c\tColor for muted audio. Default: $MUTED_COLOR |
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-i\tInterval size of volume increase/decrease. Default: $AUDIO_DELTA |
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-m\tUse the given mixer. |
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-s\tUse the given scontrol. |
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-h\tShow this help text |
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" && exit 0;; |
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esac |
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done |
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if [[ -z "$MIXER" ]] ; then |
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MIXER="default" |
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if amixer -D pulse info >/dev/null 2>&1 ; then |
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MIXER="pulse" |
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fi |
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fi |
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if [[ -z "$SCONTROL" ]] ; then |
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SCONTROL=$(amixer -D "$MIXER" scontrols | sed -n "s/Simple mixer control '\([^']*\)',0/\1/p" | head -n1) |
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fi |
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CAPABILITY=$(amixer -D $MIXER get $SCONTROL | sed -n "s/ Capabilities:.*cvolume.*/Capture/p") |
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function move_sinks_to_new_default { |
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DEFAULT_SINK=$1 |
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pacmd list-sink-inputs | grep index: | grep -o '[0-9]\+' | while read SINK |
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do |
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pacmd move-sink-input $SINK $DEFAULT_SINK |
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done |
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} |
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function set_default_playback_device_next { |
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inc=${1:-1} |
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num_devices=$(pacmd list-sinks | grep -c index:) |
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sink_arr=($(pacmd list-sinks | grep index: | grep -o '[0-9]\+')) |
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default_sink_index=$(( $(pacmd list-sinks | grep index: | grep -no '*' | grep -o '^[0-9]\+') - 1 )) |
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default_sink_index=$(( ($default_sink_index + $num_devices + $inc) % $num_devices )) |
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default_sink=${sink_arr[$default_sink_index]} |
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pacmd set-default-sink $default_sink |
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move_sinks_to_new_default $default_sink |
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} |
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case "$BLOCK_BUTTON" in |
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1) set_default_playback_device_next ;; |
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2) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY toggle ;; |
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3) set_default_playback_device_next -1 ;; |
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4) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%+ ;; |
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5) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%- ;; |
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esac |
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function print_format { |
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if [[ $markup == "pango" ]] ; then |
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output="<span color=\"$2\">$1</span>" |
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else |
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output=$1 |
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fi |
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echo "$output" | envsubst '${SYMB}${VOL}${INDEX}${NAME}' |
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} |
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function print_block { |
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ACTIVE=$(pacmd list-sinks | grep "state: RUNNING" -B4 -A7 | grep "index:\|name:\|volume: \(front\|mono\)\|muted:") |
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[ -z "$ACTIVE" ] && ACTIVE=$(pacmd list-sinks | grep "index:\|name:\|volume: \(front\|mono\)\|muted:" | grep -A3 '*') |
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for name in INDEX NAME VOL MUTED; do |
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read $name |
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done < <(echo "$ACTIVE") |
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INDEX=$(echo "$INDEX" | grep -o '[0-9]\+') |
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VOL=$(echo "$VOL" | grep -o "[0-9]*%" | head -1 ) |
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VOL="${VOL%?}" |
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NAME=$(echo "$NAME" | sed \ |
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's/.*<.*\.\(.*\)>.*/\1/; t;'\ |
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's/.*<\(.*\)>.*/\1/; t;'\ |
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's/.*/unknown/') |
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if [[ $USE_ALSA_NAME == 1 ]] ; then |
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ALSA_NAME=$(pacmd list-sinks |\ |
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awk '/^\s*\*/{f=1}/^\s*index:/{f=0}f' |\ |
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grep "alsa.name\|alsa.mixer_name" |\ |
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head -n1 |\ |
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sed 's/.*= "\(.*\)".*/\1/') |
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NAME=${ALSA_NAME:-$NAME} |
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elif [[ $USE_DESCRIPTION == 1 ]] ; then |
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DESCRIPTION=$(pacmd list-sinks |\ |
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awk '/^\s*\*/{f=1}/^\s*index:/{f=0}f' |\ |
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grep "device.description" |\ |
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head -n1 |\ |
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sed 's/.*= "\(.*\)".*/\1/') |
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NAME=${DESCRIPTION:-$NAME} |
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fi |
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if [[ $MUTED =~ "no" ]] ; then |
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SYMB=$AUDIO_HIGH_SYMBOL |
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[[ $VOL -le $AUDIO_MED_THRESH ]] && SYMB=$AUDIO_MED_SYMBOL |
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[[ $VOL -le $AUDIO_LOW_THRESH ]] && SYMB=$AUDIO_LOW_SYMBOL |
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COLOR=$DEFAULT_COLOR |
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else |
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SYMB=$AUDIO_MUTED_SYMBOL |
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COLOR=$MUTED_COLOR |
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fi |
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print_format "$LONG_FORMAT" $COLOR |
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if [[ $SUBSCRIBE != 1 ]] ; then |
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print_format "$SHORT_FORMAT" $COLOR |
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echo $COLOR |
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fi |
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} |
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print_block |
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if [[ $SUBSCRIBE == 1 ]] ; then |
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while read -r EVENT; do |
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print_block |
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done < <(pactl subscribe | stdbuf -oL grep change) |
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fi |
Arti Zirk
2 years ago