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* refactor get_video_properties and use json output from ffprobe * add zmq topic * publish valid segment data in recording maintainer * check for valid video data - restart separate record ffmpeg process if no video data has been received in 120s - refactor datetime import * listen to correct topic in embeddings maintainer * refactor to move get_latest_segment_datetime logic to recordings maintainer * debug logging * cleanup
47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
"""Facilitates communication between processes."""
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import logging
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from enum import Enum
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from typing import Any
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from .zmq_proxy import Publisher, Subscriber
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logger = logging.getLogger(__name__)
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class RecordingsDataTypeEnum(str, Enum):
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all = ""
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saved = "saved" # segment has been saved to db
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latest = "latest" # segment is in cache
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valid = "valid" # segment is valid
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invalid = "invalid" # segment is invalid
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class RecordingsDataPublisher(Publisher[Any]):
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"""Publishes latest recording data."""
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topic_base = "recordings/"
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def __init__(self) -> None:
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super().__init__()
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def publish(self, payload: Any, sub_topic: str = "") -> None:
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super().publish(payload, sub_topic)
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class RecordingsDataSubscriber(Subscriber):
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"""Receives latest recording data."""
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topic_base = "recordings/"
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def __init__(self, topic: RecordingsDataTypeEnum) -> None:
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super().__init__(topic.value)
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def _return_object(
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self, topic: str, payload: tuple | None
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) -> tuple[str, Any] | tuple[None, None]:
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if payload is None:
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return (None, None)
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return (topic, payload)
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