Files
xiaozhi-esp32-server/main/digital-human/wakeword_runtime/plugins/wake_word.py
T

54 lines
1.5 KiB
Python

import logging
from typing import Any
from ..core import WakewordDetector
from .base import Plugin
logger = logging.getLogger(__name__)
class WakeWordPlugin(Plugin):
name = "wake_word"
priority = 30
def __init__(self) -> None:
self.app = None
self.detector: WakewordDetector | None = None
def setup(self, app: Any) -> None:
self.app = app
self.detector = WakewordDetector(app.config)
if not self.detector.enabled:
self.detector = None
return
self.detector.on_detected(self._on_detected)
self.detector.on_error = self._on_error
def start(self) -> None:
if self.detector is None:
return
audio_plugin = self.app.plugins.get_plugin("audio") if self.app else None
audio_source = getattr(audio_plugin, "source", None)
if audio_source is None:
logger.warning("audio source unavailable, wakeword plugin not started")
return
self.detector.start(audio_source)
def stop(self) -> None:
if self.detector is not None:
self.detector.stop()
def shutdown(self) -> None:
self.detector = None
self.app = None
def _on_detected(self, wake_word: str, full_text: str) -> None:
if self.app is None:
return
self.app.handle_wake_word_detected(wake_word, full_text)
def _on_error(self, error: Exception) -> None:
logger.error("wakeword detection error: %s", error)