#!/bin/ksh

[ ! -z $1 ] && sndioctl -q server.device=$1

DUMP=$(dmesg)
_cur=$(sndioctl -n server.device)

examine() {
    _type=$(echo "$1" | cut -d" " -f3)
    _number=$(echo "$1" | cut -d" " -f1 | sed 's/[a-z]//g')
    _desc=$(echo "$DUMP" | grep -E "^$_type at.*" | tail -1 | cut -d'"' -f2)
    [ -z $_number ] && return

    if [ $_cur -eq $_number ]
    then
        [ ! -z $_number ] && echo "> $_number: $_desc"
    else
        [ ! -z $_number ] && echo "  $_number: $_desc"
    fi
}

for i in 0 1 2 3 4 5 6
do
    examine "$(echo "$DUMP" | grep -E "^audio$i\ at.*" | tail -1)"
done