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|
#!/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
|
