resolved merge conflict
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118
waybar/scripts/bluetooth_audio.sh
Executable file
118
waybar/scripts/bluetooth_audio.sh
Executable file
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#!/bin/bash
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bt-audio-info() {
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# Check if a MAC address was provided as the first argument.
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if [ -z "$1" ]; then
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echo "Usage: $0 <MAC_ADDRESS>"
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echo "Example: $0 00:11:22:33:AA:BB"
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exit 1
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fi
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MAC_ADDRESS="$1"
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# --- Main Logic ---
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# Construct the PipeWire sink name from the MAC address.
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# The format is typically: bluez_output.XX_XX_XX_XX_XX_XX.a2dp_sink
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# We replace colons with underscores for the format.
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SINK_IDENTIFIER="bluez_output.$(echo "$MAC_ADDRESS" | tr ':' '_')"
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# Use pactl to get the full details for all sinks, then find the one
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# that contains our device's identifier. We use awk to print the
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# entire block of text for that specific sink.
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# We check for a partial match on the sink identifier because the profile
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# (e.g., .a2dp_sink) can change.
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sink_info=$(pactl list sinks | awk -v id="$SINK_IDENTIFIER" '/Sink #/ {p=0} $0 ~ "Name: " id {p=1} p')
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# If sink_info is empty, the device might not be an audio sink or isn't connected.
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if [ -z "$sink_info" ]; then
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echo "Error: Could not find an active audio sink for MAC ${MAC_ADDRESS}"
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echo "Please ensure the device is connected and is an audio output device."
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exit 1
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fi
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# Get the full block of info for the device from bluetoothctl.
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device_info=$(bluetoothctl info "$MAC_ADDRESS")
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# --- Parse Information ---
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# Parse bluetoothctl output for general device details.
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alias=$(echo "$device_info" | rg "Alias:" | cut -d ' ' -f 2-)
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trusted=$(echo "$device_info" | rg "Trusted:" | awk '{print $2}')
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battery_raw=$(echo "$device_info" | rg "Battery Percentage:" | awk -F'[()]' '{print $2}')
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# Parse pactl output for audio-specific details.
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volume=$(echo "$sink_info" | rg "Volume:" | head -n1 | awk '{print $5}')
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codec=$(echo "$sink_info" | rg -e 'bluetooth.codec|api.bluez5.codec' | awk -F'"' '{print $2}')
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# --- Build and Display Compact Output ---
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# Build the output string with all the information.
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output_string="${alias} | MAC: ${MAC_ADDRESS}\n"
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output_string+="Trusted: ${trusted}"
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# Append battery info if available, otherwise show N/A.
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if [ -n "$battery_raw" ]; then
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output_string+=" | Bat: ${battery_raw}%"
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else
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output_string+=" | Bat: N/A"
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fi
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output_string+=" | Vol: ${volume} | Codec: ${codec:-N/A}"
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# Print the final, single-line string.
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echo "$output_string"
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}
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# Find the MAC address of the first connected device that is an audio sink
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find_audio_device() {
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default_sink_name=$(pactl get-default-sink)
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# Check if the default sink is a Bluetooth device. Their names typically
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# start with "bluez_output.". If not, print a message and exit.
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if [[ "$default_sink_name" == bluez_output* ]]; then
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# Extract the MAC address from the sink name.
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# The format is bluez_output.XX_XX_XX_XX_XX_XX.profile
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# We extract the middle part and replace underscores with colons.
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mac_with_underscores=$(echo "$default_sink_name" | cut -d '.' -f 2)
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mac=$(echo "$mac_with_underscores" | tr '_' ':')
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echo "$mac"
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return
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fi
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# else look for the first bluetooth device that provides a sink
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bluetoothctl devices Connected | rg '^Device ' | awk '{print $2}' | while read -r mac;
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do
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# Check if the device provides the "Audio Sink" service
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if bluetoothctl info "$mac" | rg -q "0000110b-0000-1000-8000-00805f9b34fb"; then
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echo "$mac"
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# If you only want the first audio device found, you can 'break' or 'exit' here.
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break
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fi
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done
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}
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# If the script is called with "disconnect"
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if [ "$1" == "disconnect" ]; then
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device_mac=$(find_audio_device)
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if [ -n "$device_mac" ]; then
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bluetoothctl disconnect "$device_mac"
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fi
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echo "{}"
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exit 0
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fi
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# Main logic to display the device name
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device_mac=$(find_audio_device)
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if [ -n "$device_mac" ]; then
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# Get the device alias (name)
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device_name=$(bluetoothctl info "$device_mac" | rg "Alias:" | cut -d ' ' -f 2-)
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# Output in Waybar's JSON format
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tooltip=$(bt-audio-info $device_mac)
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echo "{\"text\": \"$device_name <span size='large'></span>\", \"tooltip\": \"$tooltip\"}"
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else
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# Output empty string when no device is connected
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echo "{}"
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fi
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