feat: add optional pipeline ended sound

.env.example

@@ -64,3 +64,4 @@ LVA_PULSE_COOKIE="/run/user/${LVA_USER_ID}/pulse/cookie"
 # PROCESSING_SOUND="sounds/processing.wav"
 # MUTE_SOUND="sounds/mute_switch_on.flac"
 # UNMUTE_SOUND="sounds/mute_switch_off.flac"
+# PIPELINE_ENDED_SOUND="sounds/pipeline_ended.wav"

docker-entrypoint.sh

@@ -80,6 +80,10 @@ if [ -n "${UNMUTE_SOUND}" ]; then
   EXTRA_ARGS+=( "--unmute-sound" "$UNMUTE_SOUND" )
 fi
 
+if [ -n "${PIPELINE_ENDED_SOUND}" ]; then
+  EXTRA_ARGS+=( "--pipeline-ended-sound" "$PIPELINE_ENDED_SOUND" )
+fi
+
 
 # Add cookie file for pulseaudio to prevent errors
 PULSE_COOKIE=${PULSE_COOKIE:-"/run/user/1000/pulse/cookie"}

linux_voice_assistant/__main__.py

@@ -120,6 +120,11 @@ async def main() -> None:
         default=str(_SOUNDS_DIR / "mute_switch_off.flac"),
         help="Sound to play when unmuting the assistant",
     )
+    parser.add_argument(
+        "--pipeline-ended-sound",
+        default="",
+        help="Sound to play when the voice pipeline ends without a response (e.g. no speech detected). Disabled by default.",
+    )
     parser.add_argument(
         "--preferences-file",
         default=_REPO_DIR / "preferences.json",
@@ -348,6 +353,7 @@ async def main() -> None:
         processing_sound=args.processing_sound,
         mute_sound=args.mute_sound,
         unmute_sound=args.unmute_sound,
+        pipeline_ended_sound=args.pipeline_ended_sound,
         preferences=preferences,
         preferences_path=preferences_path,
         refractory_seconds=args.refractory_seconds,

linux_voice_assistant/models.py

@@ -83,6 +83,7 @@ class ServerState:
     timer_finished_sound: str
     mute_sound: str
     unmute_sound: str
+    pipeline_ended_sound: str
     preferences: Preferences
     preferences_path: Path
     download_dir: Path

linux_voice_assistant/satellite.py

@@ -457,7 +457,14 @@ def _tts_finished(self) -> None:
             self._pipeline_active = True
             _LOGGER.debug("Continuing conversation")
         else:
-            self.unduck()
+            if self.state.pipeline_ended_sound and not self._tts_played:
+                _LOGGER.debug("Playing pipeline ended sound")
+                self.state.tts_player.play(
+                    self.state.pipeline_ended_sound,
+                    done_callback=self.unduck,
+                )
+            else:
+                self.unduck()
 
         _LOGGER.debug("TTS response finished")