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0.10.0 Beta 9

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@blakeblackshear blakeblackshear released this 07 Feb 13:20
v0.10.0-beta9
ad4929c

Major Changes for 0.10.0

Updated docs are available for preview here.

Changes since beta 8

  • Allow recording motion even when detect is disabled
  • Fix bug with active_objects retain mode
  • Keep counting motionless frames for stationary objects
  • Add stacktrace to config errors
  • Tweak error messages when ffmpeg fails
  • Update has_clip to false when an event fails to play
  • Handle rare divide by zero in fps calculation
  • Docs updates

Changes since beta 7

  • Allow - in camera names

Changes since beta 6

  • Frigate now scans for objects in the frame on startup
  • Detected objects that never move no longer generate events or snapshots
  • Improve method used to determine when an object is stationary
  • Stop periodic scans on stationary objects by default
  • Make expiration interval configurable (previously hard coded to 60 minutes)
  • Make motion the default retain mode for events
  • New event datepicker in the events viewer
  • Require camera names to be url safe
  • Ensure clean snapshots are deleted when deleting events
  • Fix bug when last recording in the database does not exist on disk
  • Randomize the region slightly to try and reduce lost true positives

Retain modes

This release adds the ability to define retain modes for the initial retention period and for event data beyond the initial retain period. There are three modes:

  • all: retain all recording segments. This is consistent with the previous behavior
  • motion: retain only the recording segments that have some motion
  • active_objects: retain only the recording segments that have a moving true positive object that is being tracked

The default record settings will retain only segments that have motion for events.

Note that the retain_days config entry has been DEPRECATED. This release includes backwards compatibility, but you should migrate to the new format.

Example: Store all segments with motion for 7 days and events with active objects for 14 days.

record:
  enabled: True
  retain:
    days: 7
    mode: motion
  events:
    retain:
      default: 14
      mode: active_objects

Stationary objects

Frigate will now continue to track objects after they are stationary. This enables use cases such as presence detection. After an object has been stationary for 10 frames, object detection for the object will be paused (the new stationary_interval setting allows periodic checks too) until there is new movement. An object is determined to be stationary if the bounding box in the current frame overlaps almost entirely with the previous 10 frames. I have been testing this in my home office, and it works quite well.

I expect this to disrupt the way a few people are using Frigate. For example, a car that enters the driveway, parks, and then leaves 5 hours later will be one continuous event. The zones will stay with the tracked object over this lifetime, so when the car leaves, it will still have zones associated from when it first arrived. Ensure you use the right retain mode to ensure you only capture the segments you want.

Depending on the specifics of your room, you may need to tune your resolution and motion settings to get the results you want. In my office, I reduced the resolution to 640x360 and increased the contour_area setting for motion detection up to 125 to reduce the sensitivity. I recommend watching the debug view and adjusting as needed.

fixes #841

In progress events and cache handling

Events are now stored in the database while in progress, so you can expect to see In progress for some events under end time in the Events view.

Recording segments written to the cache are now only moved to the recordings folder if they overlap with an event (in-progress events too). For those with retain_days set to 0, this eliminates disk I/O when there are no events. Frigate will no longer store a minimum of 5 minutes of recording segments for each camera, so now you can enable recording without worrying about SD/SSD wear.

Lastly, more proactive cache maintenance was implemented to prevent the cache disk from filling up. You should never see more than 7 segments in the cache for each camera. If the cache maintenance job is too slow, you will get a warning in the logs. You can also see the time it takes to copy to the recordings disk by setting frigate.record: debug in the logger config. Additional error handling was also implemented to prevent the cache maintenance thread from stopping on errors.

Now that recordings are managed proactively, recordings are expired according to the retention settings at the interval set in the expire_interval setting (defaults to once per hour).

fixes #1885

Motion detection improvements

0.9.0 introduced dynamic motion sensitivity which didn't work out well. For many users, this made motion detection too sensitive which increased CPU usage due to more motion causing more object detection. It also increased false positive detections due to the increased frequency for detections on areas without substantial motion.

In this release, motion detection has been reset back to better defaults for frame_height and contour_area. If you have customized either frame_height or contour_area in the past, it is recommended that you remove those for your camera and let them revert back to the new defaults. For most users, the sensitivity can be tuned by adjusting contour_area (smaller numbers are more sensitive and larger numbers are less sensitive). For very high resolutions with very small objects, the frame_height may need to be increased.

In addition, this release brings about dynamic contrast adjustment for motion detection. Based on my testing, this substantially improves night time detection with IR lights and other low contrast situations.

Other changes

  • Improved logic for merging motion, bounding boxes, and regions
  • Report coral temperature stats when available (USB Coral not supported)
  • Limit the cache time for playlist urls to avoid recording playback failures
  • Allow yaml extension in addition to yml
  • Sync database recordings with the disk on startup
  • Store motion and objects data in database
  • Entered zones in mqtt messages are now sorted based on the order the object entered zones

Fixes

Full Changelog: v0.9.4...v0.10.0-beta9

Images:

  • x86: blakeblackshear/frigate:0.10.0-beta9-amd64
  • x86 w/ nvidia (for ffmpeg only): blakeblackshear/frigate:0.10.0-beta9-amd64nvidia
  • Raspberry Pi 3/4 (32bit): blakeblackshear/frigate:0.10.0-beta9-armv7
  • Raspberry Pi 4 (64bit): blakeblackshear/frigate:0.10.0-beta9-aarch64
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