blakeblackshear.frigate/frigate/data_processing/real_time/license_plate.py
Nicolas Mowen f48356cbee
Fixes (#18245)
* Only check if an object is stationary to avoid mqtt snapshot

* docs heading tweak

* Add more API descriptions

* Add missing lib for new rocm onnxruntime whl

* Update inference times to reflect better rocm performance

* Cleanup resetting tracked object activity

* remove print

---------

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>
2025-05-15 17:13:18 -05:00

58 lines
1.8 KiB
Python

"""Handle processing images for face detection and recognition."""
import logging
from typing import Any
import numpy as np
from frigate.comms.event_metadata_updater import EventMetadataPublisher
from frigate.comms.inter_process import InterProcessRequestor
from frigate.config import FrigateConfig
from frigate.data_processing.common.license_plate.mixin import (
LicensePlateProcessingMixin,
)
from frigate.data_processing.common.license_plate.model import (
LicensePlateModelRunner,
)
from ..types import DataProcessorMetrics
from .api import RealTimeProcessorApi
logger = logging.getLogger(__name__)
class LicensePlateRealTimeProcessor(LicensePlateProcessingMixin, RealTimeProcessorApi):
def __init__(
self,
config: FrigateConfig,
requestor: InterProcessRequestor,
sub_label_publisher: EventMetadataPublisher,
metrics: DataProcessorMetrics,
model_runner: LicensePlateModelRunner,
detected_license_plates: dict[str, dict[str, Any]],
):
self.requestor = requestor
self.detected_license_plates = detected_license_plates
self.model_runner = model_runner
self.lpr_config = config.lpr
self.config = config
self.sub_label_publisher = sub_label_publisher
self.camera_current_cars: dict[str, list[str]] = {}
super().__init__(config, metrics)
def process_frame(
self,
obj_data: dict[str, Any],
frame: np.ndarray,
dedicated_lpr: bool | None = False,
):
"""Look for license plates in image."""
self.lpr_process(obj_data, frame, dedicated_lpr)
def handle_request(self, topic, request_data) -> dict[str, Any] | None:
return
def expire_object(self, object_id: str, camera: str):
"""Expire lpr objects."""
self.lpr_expire(object_id, camera)