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143 lines
2.8 KiB
143 lines
2.8 KiB
#!/bin/sh |
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# Control the volume |
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# Depends: pamixer |
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help() { |
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B=$(tput bold) |
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U=$(tput smul) |
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N=$(tput sgr0) |
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cat << EOF |
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${B}NAME${N} |
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volctl - control the volume |
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${B}SYNOPSIS${N} |
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${B}volctl${N} [${U}OPTION${N}] [${U}COMMAND${N}] [<${U}ARG${N}>] |
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${B}DESCRIPTION${N} |
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${B}volctl${N} uses pamixer to change the volume of the system. |
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Commands can be truncated, i.e. "${B}volctl t${N}" for "${B}volctl toggle${N}" |
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Arguments need to be of numeric value. |
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${B}OPTIONS${N} |
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${B}-h${N} Display usage message and exit. |
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${B}COMMANDS${N} |
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${B}i${N} <${U}AMOUNT${N}>, ${B}inc${N} <${U}AMOUNT${N}> |
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Increase volume by ${U}AMOUNT${N}, default of 2. |
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${B}d${N} <${U}AMOUNT${N}>, ${B}dec${N} <${U}AMOUNT${N}> |
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Decrease volume by ${U}AMOUNT${N}, default of 2. |
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${B}s${N} <${U}LEVEL${N}>, ${B}set${N} <${U}LEVEL${N}> |
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Set volume to ${U}LEVEL${N}, default of 0. |
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${B}t${N}, ${B}toggle${N} |
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Toggle mute. |
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${B}m${N}, ${B}mute${N} |
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Mute volume. |
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${B}u${N}, ${B}unmute${N} |
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Unmute volume. |
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${B}p${N} <${U}STATE${N}>, ${B}pulsetcp${N} <${U}STATE${N}> |
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Set PulseAudio TCP module, possible values: on/off, 1/0, default enable. |
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${B}getv${N}, ${B}getvolume${N} |
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Get volume level. |
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${B}getm${N}, ${B}getmute${N} |
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Get mute status. |
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EOF |
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} |
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# Exit if no option is provided |
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[ "$#" -eq 0 ] && help && exit 1 |
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SCRIPT="$(basename "$0")" |
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# Option handling |
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while getopts ':h?' opt; do |
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case $opt in |
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h) |
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help |
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exit 0 |
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;; |
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\?) |
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echo "$SCRIPT: invalid option '$OPTARG'" |
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echo "Try '$SCRIPT -h' for more information." |
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exit 1 |
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;; |
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esac |
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done |
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pulseTcp() |
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{ |
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if test "$1" = "off" || test "$1" = "0"; then |
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if pactl list modules short | grep -q module-simple-protocol-tcp; then |
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pactl unload-module module-simple-protocol-tcp |
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fi |
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exit 0 |
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fi |
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"$0" p off |
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device="$(pactl list sources short | head -n 1)" |
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source="$(echo "$device" | awk '{ print $1; }')" |
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format="$(echo "$device" | awk '{ print $4; }')" |
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channels="$(echo "$device" | awk '{ print $5 + 0; }')" |
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rate="$(echo "$device" | awk '{ print $6 + 0; }')" |
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# Load PulseAudio TCP module |
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pactl load-module module-simple-protocol-tcp \ |
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rate="$rate" format="$format" channels="$channels" source="$source" \ |
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record=true port=8000 listen=0.0.0.0 > /dev/null |
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# Echo connection info |
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ip="$(ip a show eth0 | awk '/inet / { print substr($2, 0, length($2) - 3) }')" |
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echo "server: $ip:8000" |
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echo "audio: ${rate}Hz ${channels}ch" |
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} |
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# Command handling |
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shift $((OPTIND - 1)) |
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case "$1" in |
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i*) |
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NUM=${2:-2} |
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pamixer --increase "$NUM" |
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;; |
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d*) |
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NUM=${2:-2} |
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pamixer --decrease "$NUM" |
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;; |
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s*) |
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NUM=${2:-0} |
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pamixer --set-volume "$NUM" |
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;; |
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t*) |
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pamixer --toggle-mute |
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;; |
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m*) |
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pamixer --mute |
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;; |
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n*) |
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pamixer --unmute |
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;; |
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p*) |
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pulseTcp "$2" |
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;; |
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getv*) |
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pamixer --get-volume |
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;; |
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getm*) |
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pamixer --get-mute |
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;; |
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*) |
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echo "$SCRIPT: invalid command '$1'" |
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echo "Try '$SCRIPT -h' for more information." |
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exit 1 |
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;; |
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esac
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