mirror of
https://github.com/blakeblackshear/frigate.git
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fa4643fddf
* config options * processing in maintainer * detect and process dedicated lpr plates * create camera type, add manual event and save snapshot * use const * ensure lpr events are always detections, typing fixes * docs * docs tweaks * add preprocessing and penalization for low confidence chars
45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
"""Facilitates communication between processes."""
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from enum import Enum
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from typing import Optional
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from .zmq_proxy import Publisher, Subscriber
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class DetectionTypeEnum(str, Enum):
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all = ""
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api = "api"
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video = "video"
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audio = "audio"
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lpr = "lpr"
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class DetectionPublisher(Publisher):
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"""Simplifies receiving video and audio detections."""
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topic_base = "detection/"
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def __init__(self, topic: DetectionTypeEnum) -> None:
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topic = topic.value
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super().__init__(topic)
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class DetectionSubscriber(Subscriber):
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"""Simplifies receiving video and audio detections."""
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topic_base = "detection/"
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def __init__(self, topic: DetectionTypeEnum) -> None:
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topic = topic.value
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super().__init__(topic)
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def check_for_update(
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self, timeout: float = None
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) -> Optional[tuple[DetectionTypeEnum, any]]:
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return super().check_for_update(timeout)
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def _return_object(self, topic: str, payload: any) -> any:
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if payload is None:
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return (None, None)
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return (DetectionTypeEnum[topic[len(self.topic_base) :]], payload)
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