From 74339ff6b3f5156bee3182c2eff5f0c3fafb99ab Mon Sep 17 00:00:00 2001
From: Christian Rößler
Date: Tue, 4 Dec 2018 17:04:01 +0100
Subject: [run-virt] Linsux scripts: Sound: alsa tested as poss., polished

---
 .../vmchooser/data/linux/includes/70_mutesound.inc | 60 ++++++++++++----------
 1 file changed, 32 insertions(+), 28 deletions(-)

(limited to 'core/modules/run-virt/data/opt/openslx/vmchooser/data/linux')

diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/70_mutesound.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/70_mutesound.inc
index 542b50d7..bba384bd 100644
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/70_mutesound.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/70_mutesound.inc
@@ -6,24 +6,25 @@ local AMIXER=$(which amixer)
 local SYSTEM=alsa
 local PACTLERR
 local AMIXERERR
+local time
 
-if [[ -z "$AMIXER" && -z "$PACTL" ]]; then
+if [[ -z "${AMIXER}" && -z "${PACTL}" ]]; then
 	logger "openslx sound muter: Neither pactl (pulseaudio) nor amixer (alsa) found. Exiting."
 	return 1
 fi
 
 
-if [ -n "$PACTL" ]; then
+if [ -n "${PACTL}" ]; then
 	SYSTEM=pulse
 	logger "openslx sound muter: pulseaudio seems to be installed..."
-	x=2
-	# while [ $(su -c "pulseaudio --check" "$LOCALUSER") ]; do
+	time=2
+	# while [ $(su -c "pulseaudio --check" "${LOCALUSER}") ]; do
 	while [ -z "$(ps aux|grep /pulseaudio|grep -v grep)" ]; do
 		if [ "$x" -gt 30 ]; then
-			logger "openslx sound muter: Waited $x sec for pulseaudio, giving up."
+			logger "openslx sound muter: Waited ${time} sec for pulseaudio, giving up."
 			break
 		fi
-		sleep $x; x=$((x + 2))
+		sleep ${time}; time=$((time + 2))
 		logger "openslx sound muter: Waited $x seconds for pulseaudio..."
  	done
 else
@@ -36,41 +37,44 @@ fi
 # a command works within different distributions, esp. alsamixer commands 
 # tend to successfully mute but not unmute. So we (at this stage) just 
 # hammer known commands through - one will work, hopefully.
-case $MUTESOUND in 0)
-		logger "openslx sound muter: Unmuting sound, using $SYSTEM."
+case "${MUTESOUND}" in 0)
+		logger "openslx sound muter: Unmuting sound, using ${SYSTEM}."
 		case $SYSTEM in	pulse)
-			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "$PACTL set-sink-mute 0 0" "$LOCALUSER"
+			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "${PACTL} set-sink-mute 0 0" "${LOCALUSER}"
 			PACTLMUTEERR=$?
-			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "$AMIXER -q -D pulse sset Master unmute" "$LOCALUSER"
+			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "${AMIXER} -q -D pulse sset Master unmute" "${LOCALUSER}"
 			AMIXERMUTEERR=$?
-			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "$PACTL set-sink-volume 0 100%" "$LOCALUSER"
+			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "${PACTL} set-sink-volume 0 ${SOUNDVOL}" "${LOCALUSER}"
 			PACTLVOLERR=$?
-			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "$AMIXER -D pulse sset Master 100%" "$LOCALUSER"
+			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "${AMIXER} -D pulse sset Master ${SOUNDVOL}" "${LOCALUSER}"
 			PACTLVOLERR=$?
-			logger "openslx sound muter: Sound hopefully unmuted, pactl: $PACTLMUTEERR, amixer: $AMIXERMUTEERR."
-			logger "openslx sound muter: Volume set, pactl: $PACTLVOLERR, amixer: $AMIXERVOLERR."
+			logger "openslx sound muter: Sound hopefully unmuted, pactl: ${PACTLMUTEERR}, amixer: ${AMIXERMUTEERR}."
+			logger "openslx sound muter: Volume set, pactl: ${PACTLVOLERR}, amixer: $AMIXERVOLERR}."
 			;;
-		  alsa)	"$AMIXER set Master unmute"
-			AMIXERERR=$?
-			logger "openslx sound muter: Sound hopefully unmuted, amixer: $AMIXERERR."
+		  alsa)	"${AMIXER} set Master unmute"
+			AMIXERMUTEERR=$?
+			"${AMIXER} set Master ${SOUNDVOL}"
+			AMIXERVOLERR=$?
+			logger "openslx sound muter: Sound hopefully unmuted, amixer: ${AMIXERMUTEERR}."
+			logger "openslx sound muter: Volume set, amixer: ${AMIXERVOLERR}."
 			;;
 		esac
 		;;
 	1)
-	logger "openslx sound muter: Muting sound, using $SYSTEM"
-		case $SYSTEM in pulse)
-			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "$PACTL set-sink-mute 0 1" "$LOCALUSER"
-			PACTLERR=$?
-			XDG_RUNTIME_DIR=/run/user/$(id -u $LOCALUSER) su -c "$AMIXER -q -D pulse sset Master mute" "$LOCALUSER"
-			AMIXERERR=$?
-			logger "openslx sound muter: Sound hopefully unmuted, pactl: $PACTLERR, amixer: $AMIXERERR."
+	logger "openslx sound muter: Muting sound, using ${SYSTEM}"
+		case "${SYSTEM}" in pulse)
+			XDG_RUNTIME_DIR=/run/user/$(id -u ${LOCALUSER}) su -c "${PACTL} set-sink-mute 0 1" "${LOCALUSER}"
+			PACTLMUTEERR=$?
+			XDG_RUNTIME_DIR=/run/user/$(id -u ${LOCALUSER}) su -c "${AMIXER} -q -D pulse sset Master mute" "${LOCALUSER}"
+			AMIXERMUTEERR=$?
+			logger "openslx sound muter: Sound hopefully unmuted, pactl: ${PACTLMUTEERR}, amixer: ${AMIXERVOLERR}."
 			;;
-		   alsa) "$AMIXER" set Master mute
-			AMIXERERR=$?
-			logger "openslx sound muter: Sound hopefully unmuted, amixer: $AMIXERERR."
+		   alsa) "${AMIXER}" set Master mute
+			AMIXERMUTEERR=$?
+			logger "openslx sound muter: Sound hopefully unmuted, amixer: ${AMIXERMUTEERR}."
 			;;
 		esac		;;
-		*)	logger "openslx sound muter: Unknown muteSound option $MUTESOUND"
+		*)	logger "openslx sound muter: Unknown muteSound option ${MUTESOUND}."
 ;;
 esac
 logger "openslx sound muter: end."
-- 
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