On Sun, Apr 3, 2011 at 11:51 AM, Andrew Gaydenko <a@xxxxxxxxxxxx> wrote:
> How to?
example script below. its not commented or explained, because i wrote
it for me alone.
#!/bin/bash
AMIXER="amixer -q"
CARD="-c 1"
if [ x$1 = xon ] ; then
gain=32768
verb="route"
else
gain=0
verb="mute"
fi
shift;
#input_source : 0-25 (physical channels),
# 26-51 (software playback)
#output_source : 0-25 (physical channels),
# 26-27 (line out)
case $1 in
play)
for chn in $(seq 26 51);do
$AMIXER $CARD cset numid=5 $chn,$(($chn-26)),$gain
done
;;
thru)
for input in $(seq 0 25);do
for output in $(seq 0 25); do
if [ $input != $output ]; then
$AMIXER $CARD cset numid=5 $input,$output,$gain
fi
done
done
;;
thru12)
$AMIXER $CARD cset numid=5 0,0,$gain
$AMIXER $CARD cset numid=5 1,1,$gain
;;
mon)
for chn in $(seq 26 51);do
if [ $(($chn % 2)) -eq 0 ] ; then
$AMIXER $CARD cset numid=5 $chn,$26,$gain
else
$AMIXER $CARD cset numid=5 $chn,$27,$gain
fi
done
;;
all)
for input in $(seq 0 51); do
for output in $(seq 0 27); do
echo -n "."
if [ $gain = 0 -o $input != $output ]; then
$AMIXER $CARD cset numid=5 $input,$output,$gain
fi
done
echo
done
;;
esac
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