audio_cyclesink, audio_mutemic: initial commit

mute mic and cycle between wireplumber(pipewire) audio sinks

1 files changed, 77 insertions, 0 deletions

diff --git a/.local/bin/audio_cyclesink b/.local/bin/audio_cyclesink
new file mode 100755
index 0000000..52b2661
--- /dev/null
+++ b/.local/bin/audio_cyclesink
@@ -0,0 +1,77 @@
+#!/bin/sh
+
+# cycle between wireplumber(pipewire) audio sinks
+
+parse_sinks()
+{
+	isaudio=
+	isadsink=
+
+	while read -r line
+	do
+		case "$line" in
+		Audio)
+			isaudio=true
+			;;
+		├─\ Sinks:)
+
+			[ "$isaudio" = true ] &&
+				isadsink=true
+			;;
+		├─*:)
+			[ "$isadsink" = true ] &&
+				break
+			;;
+		*)
+			# skip if not inside audio sink
+			[ "$isadsink" != true ] &&
+				continue
+
+			# skip "blank" lines
+			[ -z "${line#│}" ] &&
+				continue
+
+			# clean up input
+			line="${line#│  }"
+			line="${line%%.*}"
+
+			sinks="${sinks}${line}:"
+
+			;;
+		esac
+	done
+
+	printf "%s" "${sinks%:}"
+	unset isaudio isadsink
+}
+
+cycle_sink()
+{
+	read -r sinks
+	default_sink=
+	next_sink=
+
+	IFS=:
+	for sink in $sinks
+	do
+		case "$sink" in
+		\**)
+			default_sink="${sinks#*   }"
+			;;
+		*)
+			if [ -n "$default_sink" ]
+			then
+				next_sink="${sink#    }"
+				break
+			fi
+			;;
+		esac
+	done
+
+	# if default sink is last one use first sink
+	: "${next_sink:="${sinks%%:*}"}"
+
+	wpctl set-default "$next_sink"
+}
+
+wpctl status | parse_sinks | cycle_sink