Audio events (#6848)

* Initial audio classification model implementation

* fix mypy

* Keep audio labelmap local

* Cleanup

* Start adding config for audio

* Add the detector

* Add audio detection process keypoints

* Build out base config

* Load labelmap correctly

* Fix config bugs

* Start audio process

* Fix startup issues

* Try to cleanup restarting

* Add ffmpeg input args

* Get audio detection working

* Save event to db

* End events if not heard for 30 seconds

* Use not heard config

* Stop ffmpeg when shutting down

* Fixes

* End events correctly

* Use api instead of event queue to save audio events

* Get events working

* Close threads when stop event is sent

* remove unused

* Only start audio process if at least one camera is enabled

* Add const for float

* Cleanup labelmap

* Add audio icon in frontend

* Add ability to toggle audio with mqtt

* Set initial audio value

* Fix audio enabling

* Close logpipe

* Isort

* Formatting

* Fix web tests

* Fix web tests

* Handle cases where args are a string

* Remove log

* Cleanup process close

* Use correct field

* Simplify if statement

* Use var for localhost

* Add audio detectors docs

* Add restream docs to mention audio detection

* Add full config docs

* Fix links to other docs

---------

Co-authored-by: Jason Hunter <hunterjm@gmail.com>

web/__test__/handlers.js

@@ -16,6 +16,7 @@ export const handlers = [
           front: {
             name: 'front',
             objects: { track: ['taco', 'cat', 'dog'] },
+            audio: { enabled: false, enabled_in_config: false },
             record: { enabled: true, enabled_in_config: true },
             detect: { width: 1280, height: 720 },
             snapshots: {},
@@ -25,6 +26,7 @@ export const handlers = [
           side: {
             name: 'side',
             objects: { track: ['taco', 'cat', 'dog'] },
+            audio: { enabled: false, enabled_in_config: false },
             record: { enabled: false, enabled_in_config: true },
             detect: { width: 1280, height: 720 },
             snapshots: {},