Add volume control script

bin/volcont

@@ -0,0 +1,167 @@
+#!/bin/sh
+
+# finds the active sink for pulse audio and increments the volume. useful when you have multiple audio outputs and have a key bound to vol-up and down
+# Taken from http://customlinux.blogspot.fr/2013/02/pavolumesh-control-active-sink-volume.html
+# and slightly adapted by lhark to work with notify-send
+
+notify='dunst' # no/yes/dunst
+notiftime='400'
+notifid='42'
+inc='2'
+capvol='yes'
+maxvol='200'
+autosync='no'
+
+icon_up='audio-volume-high'
+icon_down='audio-volume-low'
+icon_mute='audio-volume-muted'
+
+main_sink=$(pacmd list-sinks |awk '/* index:/{print $3}')
+active_sinks=$(pacmd list-sinks |awk '/index:/{print $NF}' | tr '\n' ' ' | sed 's/ $/\n/g')
+limit=$((100 - inc))
+maxlimit=$((maxvol - inc))
+
+updateSinks () {
+    active_sinks=$(pacmd list-sinks |awk '/index:/{print $NF}' | tr '\n' ' ' | sed 's/ $/\n/g')
+}
+
+
+volUp () {
+    updateSinks
+    getCurVol
+
+    for sink in ${active_sinks}; do
+        if [ ${capvol} = 'yes' ]; then
+            if [ "${curVol}" -le 100 ] && [ "${curVol}" -ge ${limit} ]; then
+                pactl set-sink-volume "${sink}" 100%
+            elif [ "${curVol}" -lt ${limit} ]; then
+                pactl set-sink-volume "${sink}" +${inc}%
+            fi
+        elif [ "${curVol}" -le ${maxvol} ] && [ "${curVol}" -ge ${maxlimit} ]; then
+            pactl set-sink-volume "${sink}" ${maxvol}%
+        elif [ "${curVol}" -lt ${maxlimit} ]; then
+            pactl set-sink-volume "${sink}" +${inc}%
+        fi
+    done
+
+    getCurVol
+
+    if [ ${notify} = 'yes' ]; then
+        notify-send "Volume : ${curVol}%" -t ${notiftime}
+    elif [ "$notify" = 'dunst' ]; then
+        dunstify -r "$notifid" -t "$notiftime" -i "$icon_up" "Volume: $curVol%"
+    fi
+
+    if [ ${autosync} = 'yes' ]; then
+        volSync
+    fi
+}
+
+volDown () {
+    updateSinks
+    for sink in ${active_sinks}; do
+        pactl set-sink-volume "${sink}" -${inc}%
+    done
+    getCurVol
+
+    if [ ${notify} = 'yes' ]; then
+        notify-send "Volume : ${curVol}%" -t ${notiftime}
+    elif [ "$notify" = 'dunst' ]; then
+        dunstify -r "$notifid" -t "$notiftime" -i "$icon_down" "Volume: $curVol%"
+    fi
+
+    if [ ${autosync} = 'yes' ]; then
+        volSync
+    fi
+}
+
+
+volSync () {
+    updateSinks
+    getCurVol
+
+    for each in ${active_sinks}; do
+        pactl set-sink-volume "${each}" "${curVol}"%
+    done
+}
+
+
+getCurVol () {
+    curVol=$(pacmd list-sinks |grep -A 15 'index: '"${main_sink}"'' |grep 'volume:' |egrep -v 'base volume:' |awk -F : '{print $3}' |grep -o -P '.{0,3}%'|sed s/.$// | tr -d ' ')
+}
+
+
+volMute () {
+    case "$1" in
+        mute)
+            for sink in ${active_sinks}; do
+                pactl set-sink-mute "${sink}" 1
+            done
+            curVol=0
+            status=1
+            ;;
+        unmute)
+            for sink in ${active_sinks}; do
+                pactl set-sink-mute "${sink}" 0
+            done
+            getCurVol
+            status=0
+            ;;
+    esac
+
+    if [ ${notify} = 'yes' ]; then
+        notify-send "$([ "${status}" = 1 ] && echo "Sound muted" || echo "Sound unmuted")" -t ${notiftime}
+    elif [ "$notify" = 'dunst' ]; then
+        [ "$status" = 1 ] && icon="$icon_mute" || icon="$icon_up"
+        dunstify -r "$notifid" -t "$notiftime" -i "$icon" "$([ "${status}" = 1 ] && echo "Sound muted" || echo "Sound unmuted")"
+    fi
+}
+
+volMuteStatus () {
+    curStatus=$(pacmd list-sinks |grep -A 15 'index: '"${main_sink}"'' |awk '/muted/{ print $2}')
+
+    if [ "${curStatus}" = 'yes' ]; then
+        volMute unmute
+    else
+        volMute mute
+    fi
+}
+
+
+volHelp () {
+    echo "Finds the active sink for pulse audio and manages the volume."
+    echo "Options :"
+    echo ""
+    echo "  --down"
+    echo "  --help"
+    echo "  --mute"
+    echo "  --sync      Sync all sinks volumes"
+    echo "  --toggle"
+    echo "  --unmute"
+    echo "  --up"
+}
+
+
+case "$1" in
+--up)
+volUp
+;;
+--down)
+volDown
+;;
+--toggle)
+volMuteStatus
+;;
+--help)
+volHelp
+;;
+--mute)
+volMute mute
+;;
+--unmute)
+volMute unmute
+;;
+--sync)
+volSync
+;;
+esac