revert changes to audio process to prevent shutdown hang (#14872)

frigate/events/audio.py

@@ -9,6 +9,7 @@ from typing import Tuple
 import numpy as np
 import requests
 
+import frigate.util as util
 from frigate.camera import CameraMetrics
 from frigate.comms.config_updater import ConfigSubscriber
 from frigate.comms.detections_updater import DetectionPublisher, DetectionTypeEnum
@@ -25,7 +26,6 @@ from frigate.const import (
 from frigate.ffmpeg_presets import parse_preset_input
 from frigate.log import LogPipe
 from frigate.object_detection import load_labels
-from frigate.service_manager import ServiceProcess
 from frigate.util.builtin import get_ffmpeg_arg_list
 from frigate.video import start_or_restart_ffmpeg, stop_ffmpeg
 
@@ -63,7 +63,7 @@ def get_ffmpeg_command(ffmpeg: FfmpegConfig) -> list[str]:
     )
 
 
-class AudioProcessor(ServiceProcess):
+class AudioProcessor(util.Process):
     name = "frigate.audio_manager"
 
     def __init__(
@@ -71,7 +71,7 @@ class AudioProcessor(ServiceProcess):
         cameras: list[CameraConfig],
         camera_metrics: dict[str, CameraMetrics],
     ):
-        super().__init__()
+        super().__init__(name="frigate.audio_manager", daemon=True)
 
         self.camera_metrics = camera_metrics
         self.cameras = cameras