mmswitch

minimal multimedia switch
git clone git://git.2f30.org/mmswitch.git
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mmswitch-sound (2714B)


      1 #!/bin/sh
      2 
      3 DMENU_ARGS='-nb #151515 -nf #787878 -sb #151515 -sf #a78edb -fn -*-*-medium-r-normal-*-*-*-*-*-*-80-*-*'
      4 
      5 die() {
      6     echo "$(basename $0): Error: $1" >&2
      7     exit 1
      8 }
      9 
     10 list_sinks() {
     11     pacmd list-sinks | grep -E "index: |name: |device.description = " | paste - - - | \
     12 	tr '*' ' ' | tr '<>' '"' | sed 's/device.description =/description:/' | \
     13 	sed -e 's/[ \t][ \t]*/ /g' | sed -e 's/^ //'
     14 }
     15 
     16 list_sink_inputs() {
     17     pacmd list-sink-inputs | grep 'index: ' | awk '{print $2}'
     18 }
     19 
     20 get_index_from_desc() {
     21     list_sinks | grep "description: \"$1\"" | awk '{print $2}'
     22 }
     23 
     24 get_index_from_name() {
     25     list_sinks | grep " name: \"$1\" " | awk '{print $2}'
     26 }
     27 
     28 get_desc_from_index() {
     29     list_sinks | grep -E "^index: $1 " | sed 's/.* description: \"\(.*\)\"$/\1/'
     30 }
     31 
     32 get_name_from_index() {
     33     list_sinks | grep -E "^index: $1 "  | sed 's/.* name: \"\(.*\)\" .*$/\1/'
     34 }
     35 
     36 set_sink_from_index() {
     37     local x
     38     pacmd set-default-sink $1 > /dev/null 2>&1
     39     for x in $(list_sink_inputs); do
     40 	pacmd move-sink-input $x $1 > /dev/null 2>&1
     41     done
     42 }
     43 
     44 usage() {
     45     echo "Usage $(basename $0) [options] index:NUMBER | name:NAME | desc:DESCRIPTION"
     46     echo
     47     echo "Options:"
     48     echo "  -h, --help            Show this help menu"
     49     echo "  -l, --list-cards      List sound cards"
     50     echo "  --dmenu               Use dmenu"
     51     echo
     52     echo "Examples:"
     53     echo "  $(basename $0) index:0"
     54     echo "  $(basename $0) name:$(get_name_from_index 0)"
     55     echo "  $(basename $0) desc:\"$(get_desc_from_index 0)\""
     56 }
     57 
     58 ARGS=$(getopt -o lh -l "list-cards,dmenu,help" -n $(basename $0) -- "$@")
     59 [ $? -ne 0 ] && exit 1
     60 eval set -- "$ARGS"
     61 
     62 while :; do
     63     case "$1" in
     64 	-h|--help)
     65 	    usage
     66 	    exit 1
     67 	    ;;
     68 	-l|--list-cards)
     69 	    list_sinks
     70 	    exit 0
     71 	    ;;
     72 	--dmenu)
     73 	    SELECT=$(list_sinks | sed 's/.* description: \"\(.*\)\"$/\1/' | \
     74 		dmenu -i -p 'Choose sound card:' $DMENU_ARGS)
     75 	    [ -z "$SELECT" ] && exit 0
     76 	    ARG=desc:"$SELECT"
     77 	    break
     78 	    ;;
     79 	--)
     80 	    shift
     81 	    ARG="$@"
     82 	    break
     83 	    ;;
     84     esac
     85 done
     86 
     87 if [ -z "$ARG" ]; then
     88     usage
     89     exit 1
     90 fi
     91 
     92 case "${ARG%%:*}" in
     93     index)
     94 	[ $(list_sinks | grep -E -c "^index: ${ARG#*:} ") -eq 0 ] && \
     95 	    die "Sound card with index \`${ARG#*:}' does not exist."
     96 	set_sink_from_index "${ARG#*:}"
     97 	;;
     98     name)
     99 	INDEX=$(get_index_from_name "${ARG#*:}")
    100 	[ -z "$INDEX" ] && die "Sound card with name \`${ARG#*:}' does not exist."
    101 	set_sink_from_index $INDEX
    102 	;;
    103     desc)
    104 	INDEX=$(get_index_from_desc "${ARG#*:}")
    105 	[ -z "$INDEX" ] && die "Sound card with description \`${ARG#*:}' does not exist."
    106 	set_sink_from_index $INDEX
    107 	;;
    108     *)
    109 	die "You must specify if \`${ARG#*:}' is an index, a name or a description. See --help."
    110 	;;
    111 esac