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i3/scripts/audio-device-switch

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+#!/usr/bin/env bash
+
+# audio-device-switch - audio device switch with a keybind
+# Adapted from this: 
+# https://gist.githubusercontent.com/kbravh/1117a974f89cc53664e55823a55ac320/raw/9d04a10ae925074536047ae8100c6b0dbfc303d6/audio-device-switch.sh
+# Readme: https://gist.github.com/kbravh/1117a974f89cc53664e55823a55ac320
+# Creator: https://github.com/kbravh
+
+# Audio Output Switcher
+# This script will cycle to the next available audio output device. 
+# It can be tied to a hotkey to easily be triggered.
+# This is handy, for example, for swapping between speakers and headphones.
+# This script will work on systems running PulseAudio or Pipewire services.
+
+
+
+# Check which sound server is running
+if pgrep pulseaudio >/dev/null; then
+  sound_server="pulseaudio"
+elif pgrep pipewire >/dev/null; then
+  sound_server="pipewire"
+else
+  echo "Neither PulseAudio nor PipeWire is running."
+  exit 1
+fi
+
+# Grab a count of how many audio sinks we have
+if [[ "$sound_server" == "pulseaudio" ]]; then
+  sink_count=$(pacmd list-sinks | grep -c "index:[[:space:]][[:digit:]]")
+  # Create an array of the actual sink IDs
+  sinks=()
+  mapfile -t sinks < <(pacmd list-sinks | grep 'index:[[:space:]][[:digit:]]' | sed -n -e 's/.*index:[[:space:]]\([[:digit:]]\)/\1/p')
+  # Get the ID of the active sink
+  active_sink=$(pacmd list-sinks | sed -n -e 's/[[:space:]]*\*[[:space:]]index:[[:space:]]\([[:digit:]]\)/\1/p')
+
+elif [[ "$sound_server" == "pipewire" ]]; then
+  sink_count=$(pactl list sinks | grep -c "Sink #[[:digit:]]")
+  # Create an array of the actual sink IDs
+  sinks=()
+  mapfile -t sinks < <(pactl list sinks | grep 'Sink #[[:digit:]]' | sed -n -e 's/.*Sink #\([[:digit:]]\)/\1/p')
+  # Get the ID of the active sink
+  active_sink_name=$(pactl info | grep 'Default Sink:' | sed -n -e 's/.*Default Sink:[[:space:]]\+\(.*\)/\1/p')
+  active_sink=$(pactl list sinks | grep -B 2 "$active_sink_name" | sed -n -e 's/Sink #\([[:digit:]]\)/\1/p' | head -n 1)
+fi
+
+# Get the ID of the last sink in the array
+final_sink=${sinks[$((sink_count - 1))]}
+
+# Find the index of the active sink
+for index in "${!sinks[@]}"; do
+  if [[ "${sinks[$index]}" == "$active_sink" ]]; then
+    active_sink_index=$index
+  fi
+done
+
+# Default to the first sink in the list
+next_sink=${sinks[0]}
+next_sink_index=0
+
+# If we're not at the end of the list, move up the list
+if [[ $active_sink -ne $final_sink ]]; then
+  next_sink_index=$((active_sink_index + 1))
+  next_sink=${sinks[$next_sink_index]}
+fi
+
+#change the default sink
+if [[ "$sound_server" == "pulseaudio" ]]; then
+  pacmd "set-default-sink ${next_sink}"
+elif [[ "$sound_server" == "pipewire" ]]; then
+  # Get the name of the next sink
+  next_sink_name=$(pactl list sinks | grep -C 2 "Sink #$next_sink" | sed -n -e 's/.*Name:[[:space:]]\+\(.*\)/\1/p' | head -n 1)
+  pactl set-default-sink "$next_sink_name"
+fi
+
+#move all inputs to the new sink
+if [[ "$sound_server" == "pulseaudio" ]]; then
+  for app in $(pacmd list-sink-inputs | sed -n -e 's/index:[[:space:]]\([[:digit:]]\)/\1/p'); do
+    pacmd "move-sink-input $app $next_sink"
+  done
+elif [[ "$sound_server" == "pipewire" ]]; then
+  for app in $(pactl list sink-inputs | sed -n -e 's/.*Sink Input #\([[:digit:]]\)/\1/p'); do
+    pactl "move-sink-input $app $next_sink"
+  done
+fi
+
+# Create a list of the sink descriptions
+sink_descriptions=()
+if [[ "$sound_server" == "pulseaudio" ]]; then
+  mapfile -t sink_descriptions < <(pacmd list-sinks | sed -n -e 's/.*alsa.name[[:space:]]=[[:space:]]"\(.*\)"/\1/p')
+elif [[ "$sound_server" == "pipewire" ]]; then
+  mapfile -t sink_descriptions < <(pactl list sinks | sed -n -e 's/.*Description:[[:space:]]\+\(.*\)/\1/p')
+fi
+
+# Find the index that matches our new active sink
+for sink_index in "${!sink_descriptions[@]}"; do
+  if [[ "$sink_index" == "$next_sink_index" ]]; then
+    notify-send -i audio-volume-high "Sound output switched to:" "${sink_descriptions[$sink_index]}"
+    exit
+  fi
+done