audio --switch

utils/.local/bin/audio

@@ -2,43 +2,74 @@
 
 # available sinks listed here: pactl list sinks
 
+CURRENT_SINK="$(pactl get-default-sink)"
+CURRENT_PRESET="$(easyeffects --active-preset output)"
 LOUD_SINK="alsa_output.pci-0000_00_1f.3.analog-stereo"
 LOUD_PRESET="Defender"
 HEAD_SINK="alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.analog-stereo"
 HEAD_PRESET="Techno"
 
+set_head() {
+    if [ "$CURRENT_SINK" != "$HEAD_SINK" ]; then
+        pactl set-default-sink "$HEAD_SINK" || exit 1
+        easyeffects --load-preset "$HEAD_PRESET" || exit 2
+        echo -e "Current sink\t: $HEAD_SINK"
+        echo -e "Current preset\t: $HEAD_PRESET"
+    fi
+}
+
+set_loud() {
+    if [ "$CURRENT_SINK" != "$LOUD_SINK" ]; then
+        pactl set-default-sink "$LOUD_SINK" || exit 1
+        easyeffects --load-preset "$LOUD_PRESET" || exit 2
+        echo -e "Current sink\t: $LOUD_SINK"
+        echo -e "Current preset\t: $LOUD_PRESET"
+    fi
+}
+
+show_help() {
+    echo "Usage: $(basename "$0") [-h|--help|--loud|--head|--switch]"
+    echo
+    echo "Switch audio output and apply appropriate easyffects preset."
+    echo
+    echo "Options:"
+    echo "    -h, --help    Show this help message"
+    echo "    --loud        Enable loud speakers"
+    echo "    --head        Enable headphones"
+    echo "    --switch      Switch between loud and headphones"
+    echo
+}
+
 if [ -z "$1" ]; then
-    echo -e "Current sink\t: $(pactl get-default-sink)"
     echo -e "Loud sink\t: $LOUD_SINK"
     echo -e "Loud preset\t: $LOUD_PRESET"
     echo -e "Head sink\t: $HEAD_SINK"
     echo -e "Head preset\t: $HEAD_PRESET"
+    echo
+    echo -e "Current sink\t: $CURRENT_SINK"
+    echo -e "Current preset\t: $CURRENT_PRESET"
     exit
 fi
 
 if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
-    cat <<EOF
-Usage: $(basename "$0") [-h]
-
-Switch audio output and apply appropriate easyffects preset.
-
-Options:
-    -h, --help    Show this help message
-    --loud        Enable loud speakers
-    --head        Enable headphones
-
-EOF
+    show_help
     exit
 fi
 
 if [ "$1" == "--loud" ]; then
-    pactl set-default-sink "$LOUD_SINK" || exit 1
-    easyeffects -l "$LOUD_PRESET" || exit 2
+    set_loud
     exit
 fi
 
 if [ "$1" == "--head" ]; then
-    pactl set-default-sink "$HEAD_SINK" || exit 1
-    easyeffects -l "$HEAD_PRESET" || exit 2
+    set_head
     exit
 fi
+
+if [ "$1" == "--switch" ]; then
+    case "$CURRENT_SINK" in
+        *$LOUD_SINK*) set_head ;;
+        *$HEAD_SINK*) set_loud ;;
+        *) show_help ;;
+    esac
+fi