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|
function mutesound()
{
local PACTL=$(which pactl)
local AMIXER=$(which amixer)
local SYSTEM=alsa
local PACTLERR
local AMIXERERR
local time
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
SYSTEM=pulse
logger "openslx sound muter: pulseaudio seems to be installed..."
time=2
# while [ $(su -c "pulseaudio --check" "${LOCALUSER}") ]; do
while [ -z "$(ps aux|grep /pulseaudio|grep -v grep)" ]; do
if [ "$time" -gt 30 ]; then
logger "openslx sound muter: Waited ${time} sec for pulseaudio, giving up."
break
fi
sleep ${time}; time=$((time + 2))
logger "openslx sound muter: Waited $time seconds for pulseaudio..."
done
else
SYSTEM=alsa
logger "openslx sound muter: alsa seems to be installed..."
fi
# MUTESOUND: Sound 1=aus, 0=an
# This is a bit problematic as there is no way to actually know whether
# a command works within different distributions, esp. alsamixer commands
# tend to successfully mute but not unmute. So we (at this stage) just
# hammer known commands through - one will work, hopefully.
case "${MUTESOUND}" in 0)
logger "openslx sound muter: Unmuting sound, using ${SYSTEM}."
case $SYSTEM in pulse)
XDG_RUNTIME_DIR=/run/user/$(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" "${LOCALUSER}"
AMIXERMUTEERR=$?
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 ${SOUNDVOL}" "${LOCALUSER}"
PACTLVOLERR=$?
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"
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" "${LOCALUSER}"
PACTLMUTEERR=$?
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
AMIXERMUTEERR=$?
logger "openslx sound muter: Sound hopefully unmuted, amixer: ${AMIXERMUTEERR}."
;;
esac ;;
*) logger "openslx sound muter: Unknown muteSound option ${MUTESOUND}."
;;
esac
logger "openslx sound muter: end."
}
|
