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#!/bin/bash
reset_mixer()
{
amixer set Master $OLDVOL_M $M > /dev/null
amixer set PCM $OLDVOL_P $P > /dev/null
}
set_mixer()
{
OLDVOL_M=`amixer get Master | egrep "$Front Left.*\[.*%\]" | sed s/".*\[\(.*%\)].*"/"\1"/`
OLDVOL_P=`amixer get PCM | egrep "$Front Left.*\[.*%\]" | sed s/".*\[\(.*%\)].*"/"\1"/`
OLDMUTE_M=`amixer get Master | egrep "$Front Left.*\[.*%\]" | sed s/".*\[\(.*%\)].*\[\(.*\)\]"/"\2"/`
OLDMUTE_P=`amixer get PCM | egrep "$Front Left.*\[.*%\]" | sed s/".*\[\(.*%\)].*\[\(.*\)\]"/"\2"/`
echo $OLDMUTE_M | grep -q on || M='mute'
echo $OLDMUTE_P | grep -q on || P='mute'
amixer set Master 100% unmute > /dev/null
amixer set PCM 100% unmute > /dev/null
}
trap reset_mixer 2
trap reset_mixer 3
trap reset_mixer 15
for i in {1..100};do
set_mixer
mplayer ~/.alarm.mp3 > /dev/null
reset_mixer
sleep 600
done
reset_mixer
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