"""复用现有 ObjectDetector 的薄封装."""
import threading

from config.detection import DETECTION_CONFIG
from panorama_camera import ObjectDetector


class DetectorService:
    def __init__(self, model_path: str = None, use_gpu: bool = None):
        model_path = model_path or DETECTION_CONFIG.get("model_path")
        if use_gpu is None:
            use_gpu = DETECTION_CONFIG.get("use_gpu", True)
        self.detector = ObjectDetector(model_path=model_path, use_gpu=use_gpu)
        self._lock = threading.Lock()

    def detect(self, frame):
        with self._lock:
            return self.detector.detect(frame)