Update install_spotify_connect.sh

Author: Brownster

install/install_spotify_connect.sh

@@ -1,16 +1,16 @@
 #!/bin/bash
 ######## INSTALL SPOTIFY CONNECT ################
 #  Install required packages
-echo "Step 1: Installing required packages..."
+echo "Installing required packages..."
 sudo apt install -y apt-transport-https curl
 
 #  Add GPG key and repository for raspotify
-echo "Step 2: Adding GPG key and repository for raspotify..."
+echo "Adding GPG key and repository for raspotify..."
 curl -sSL https://dtcooper.github.io/raspotify/key.asc | sudo tee /usr/share/keyrings/raspotify-archive-keyrings.asc >/dev/null
 echo 'deb [signed-by=/usr/share/keyrings/raspotify-archive-keyrings.asc] https://dtcooper.github.io/raspotify raspotify main' | sudo tee /etc/apt/sources.list.d/raspotify.list
 
 #  Install raspotify package
-echo "Step 3: Installing raspotify package..."
+echo "Installing raspotify package..."
 sudo apt update
 sudo apt install -y raspotify
 
@@ -22,8 +22,60 @@ sudo apt install -y raspotify
 #echo "Inside the configuration file, you can modify settings such as the device name and bitrate."
 #echo "Remember to save your changes CTRL + X, Y, ENTER and restart the raspotify service after making any modifications."
 
+# Script to set a USB DAC as the default audio device on Raspberry Pi
+
+echo "Listing all available audio devices..."
+device_list=$(aplay -l | grep '^card')
+
+# Check if no devices were found
+if [ -z "$device_list" ]; then
+    echo "No audio devices found. Please ensure your audio device is connected."
+    exit 1
+fi
+
+echo "$device_list"
+echo
+
+# Create an array to store device card numbers
+declare -a card_numbers
+index=0
+
+# Extract card numbers and populate the array
+while read -r line; do
+    card_number=$(echo $line | awk '{print $2}' | tr -d :)
+    card_numbers[$index]=$card_number
+    let index++
+done <<< "$device_list"
+
+# Display options to the user
+echo "Select the output device:"
+for i in "${!card_numbers[@]}"; do
+    echo "[$i] Card number: ${card_numbers[$i]}"
+done
+
+# Ask the user to choose a device
+read -p "Enter your choice (0-${#card_numbers[@]}): " choice
+
+# Validate user input
+if ! [[ "$choice" =~ ^[0-9]+$ ]] || [ "$choice" -ge "${#card_numbers[@]}" ]; then
+    echo "Invalid selection. Exiting."
+    exit 1
+fi
+
+selected_card=${card_numbers[$choice]}
+
+# Backup the original alsa.conf file
+sudo cp /usr/share/alsa/alsa.conf /usr/share/alsa/alsa.conf.backup
+
+# Update the alsa.conf file with the selected card number
+sudo sed -i "s/defaults.ctl.card 0/defaults.ctl.card $selected_card/" /usr/share/alsa/alsa.conf
+sudo sed -i "s/defaults.pcm.card 0/defaults.pcm.card $selected_card/" /usr/share/alsa/alsa.conf
+
+echo "The default audio device is set to card number $selected_card."
+
+
 # Restart the raspotify service
-echo "Step 5: Restarting the raspotify service..."
+echo "Restarting the raspotify service..."
 sudo systemctl restart raspotify
 
 echo "Raspotify setup completed. You can now connect to your Raspberry Pi via Spotify Connect."