dotfiles/.bin/sndevice

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#!/bin/sh
# cat /etc/rc.conf.local
# sndiod_flags=-f rsnd/0 -F rsnd/1 -F rsnd/2 -F rsnd/3 ...
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cur="$(sndioctl -n server.device | cut -d"(" -f1)"
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case $1 in
+) sndioctl server.device=$(( cur + 1 )) > /dev/null 2>&1 \
|| echo "Max device reached"; ;;
-) sndioctl server.device=$(( cur - 1 )) > /dev/null 2>&1 \
|| echo "Min device reached"; ;;
[0-9]) sndioctl server.device=$1 > /dev/null 2>&1 \
|| echo "Device $1 not available"; ;;
esac
now="$(sndioctl -n server.device | cut -d"(" -f1)"
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echo "Active server.device=$now"
dmesg | grep -B2 ^audio$now | grep " at " | head -n 1