music/librespot: Use jackaudio backend

roles/music/handlers/main.yaml

@@ -48,7 +48,7 @@
 
 - name: rebuild librespot
   ansible.builtin.command:
-    cmd: /root/.cargo/bin/cargo build --release --features pulseaudio-backend
+    cmd: /root/.cargo/bin/cargo build --release --features pulseaudio-backend,jackaudio-backend
   args:
     chdir: /opt/librespot
 

roles/music/tasks/librespot.yaml

@@ -1,4 +1,11 @@
 ---
+- name: Install apt dependencies
+  apt:
+    name:
+      - libasound2-dev
+      - libjack-dev
+      - pkg-config
+
 - name: Create librespot user
   user:
     name: "{{ music_librespot_user }}"

roles/music/templates/librespot.service

@@ -7,10 +7,14 @@ After=network.target
 [Service]
 Type=simple
 Restart=always
-RestartSec=2s
-ExecStart=/opt/librespot/target/release/librespot --name Trollibox --backend pulseaudio --volume-ctrl linear
-Environment="PULSE_SERVER={{ music_pulse_server }}"
-User={{ music_librespot_user }}
+RestartSec=10s
+ExecStart=/usr/bin/pw-jack -s 44100 /opt/librespot/target/release/librespot --name Trollibox --backend jackaudio
+ExecStartPost=/usr/bin/sleep 4
+ExecStartPost=-/usr/bin/pw-link librespot:out_0 alsa_output.usb-ASUS_Xonar_U7_MKII-00.analog-stereo:playback_FL
+ExecStartPost=-/usr/bin/pw-link librespot:out_1 alsa_output.usb-ASUS_Xonar_U7_MKII-00.analog-stereo:playback_FR
+# User={{ music_librespot_user }}
+User=root
+Environment="XDG_RUNTIME_DIR=/run/user/{{ music_audio_user_id }}"
 
 [Install]
 WantedBy=multi-user.target