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bauer
162
.i3/scripts/volume-pulseaudio
Executable file
162
.i3/scripts/volume-pulseaudio
Executable file
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#!/bin/bash
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# Displays the default device, volume, and mute status for i3blocks
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AUDIO_HIGH_SYMBOL=' '
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AUDIO_MED_THRESH=50
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AUDIO_MED_SYMBOL=' '
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AUDIO_LOW_THRESH=0
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AUDIO_LOW_SYMBOL=' '
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AUDIO_MUTED_SYMBOL=' '
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AUDIO_INTERVAL=5
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DEFAULT_COLOR="#ffffff"
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MUTED_COLOR="#a0a0a0"
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LONG_FORMAT=0
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SHORT_FORMAT=2
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USE_PERCENT=1
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USE_ALSA_NAME=0
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USE_DESCRIPTION=0
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SUBSCRIBE=0
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while getopts F:Sf:padH:M:L:X:T:t:C:c:i: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="$OPTARG" ;;
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p) USE_PERCENT=0 ;;
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a) USE_ALSA_NAME=1 ;;
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d) USE_DESCRIPTION=1 ;;
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H) AUDIO_HIGH_SYMBOL="$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="$OPTARG" ;;
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i) AUDIO_INTERVAL="$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] [-h]
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Options:
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-F, -f\tOutput format (-F long format, -f short format) to use, amonst:
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\t0\t symb vol [index:name]\t (default long)
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\t1\t symb vol [name]
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\t2\t symb vol [index]\t (default short)
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\t3\t symb vol
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-S\tSubscribe to volume events (requires persistent block, always uses long format)
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-p\tOmit the percent sign (%%) in volume
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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_INTERVAL
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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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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 pulse sset Master toggle ;;
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3) set_default_playback_device_next -1 ;;
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4) amixer -q -D pulse sset Master $AUDIO_INTERVAL%+ ;;
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5) amixer -q -D pulse sset Master $AUDIO_INTERVAL%- ;;
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esac
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function print_format {
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PERCENT="%"
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[[ $USE_PERCENT == 0 ]] && PERCENT=""
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case "$1" in
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1) echo "$SYMBOL$VOL$PERCENT [$NAME]" ;;
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2) echo "$SYMBOL$VOL$PERCENT [$INDEX]";;
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3) echo "$SYMBOL$VOL$PERCENT" ;;
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*) echo "$SYMBOL$VOL$PERCENT [$INDEX:$NAME]" ;;
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esac
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}
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function print_block {
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for name in INDEX NAME VOL MUTED; do
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read $name
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done < <(pacmd list-sinks | grep "index:\|name:\|volume: front\|muted:" | grep -A3 '*')
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INDEX=$(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 [[ $MUTED =~ "no" ]] ; then
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SYMBOL=$AUDIO_HIGH_SYMBOL
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[[ $VOL -le $AUDIO_MED_THRESH ]] && SYMBOL=$AUDIO_MED_SYMBOL
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[[ $VOL -le $AUDIO_LOW_THRESH ]] && SYMBOL=$AUDIO_LOW_SYMBOL
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COLOR=$DEFAULT_COLOR
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else
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SYMBOL=$AUDIO_MUTED_SYMBOL
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COLOR=$MUTED_COLOR
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fi
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if [[ $SUBSCRIBE == 1 ]] ; then
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print_format "$LONG_FORMAT"
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else
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print_format "$LONG_FORMAT"
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print_format "$SHORT_FORMAT"
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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
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