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This is useful for e.g. deciding whether or not to present the user admin UI in navigation. As part of this change, I adjusted the casing in Permissions, and then all the toml stuff for consistency. Noted in changelog.
36 lines
1.2 KiB
Markdown
36 lines
1.2 KiB
Markdown
# Moonfire NVR Signals
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Status: **draft**.
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"Signals" are what Moonfire NVR uses to describe non-video timeseries data
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such as "was motion detected?" or "what mode was my burglar alarm in?" They are
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intended to be displayed in the UI with the video scrub bar to aid in finding
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a relevant portion of video.
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## Objective
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Goals:
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* represent simple results of on-camera and on-NVR motion detection, e.g.:
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`true`, `false`, or `unknown`.
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* represent external signals such as burglar alarm state, e.g.:
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`off`, `stay`, `away`, `alarm`, or `unknown`.
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Non-goals:
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* provide meaningful data when the NVR has inaccurate system time.
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* support internal state necessary for on-NVR motion detection. (This will
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be considered separately.)
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* support fine-grained outputs such as "what are the bounding boxes of all
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detected faces?", "what cells have motion?", audio volume, or audio
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spectograms.
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## Overview
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hmm, two ideas:
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* just use timestamps everywhere. allow adding/updating historical data.
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* only allow updating the current open. initially, just support setting
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current time. then support extending from a previous request. no ability
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to fill in while NVR is down.
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