mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-10-15 20:07:23 +02:00
c5b8d13beb
* Send and save score for external events * Add audio filters config * Fix access * Add docs * Cleanup
250 lines
9.2 KiB
Python
250 lines
9.2 KiB
Python
import datetime
|
|
import logging
|
|
import queue
|
|
import threading
|
|
from enum import Enum
|
|
from multiprocessing import Queue
|
|
from multiprocessing.synchronize import Event as MpEvent
|
|
from typing import Dict
|
|
|
|
from frigate.config import EventsConfig, FrigateConfig
|
|
from frigate.models import Event
|
|
from frigate.types import CameraMetricsTypes
|
|
from frigate.util.builtin import to_relative_box
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class EventTypeEnum(str, Enum):
|
|
api = "api"
|
|
tracked_object = "tracked_object"
|
|
|
|
|
|
def should_update_db(prev_event: Event, current_event: Event) -> bool:
|
|
"""If current_event has updated fields and (clip or snapshot)."""
|
|
if current_event["has_clip"] or current_event["has_snapshot"]:
|
|
# if this is the first time has_clip or has_snapshot turned true
|
|
if not prev_event["has_clip"] and not prev_event["has_snapshot"]:
|
|
return True
|
|
# or if any of the following values changed
|
|
if (
|
|
prev_event["top_score"] != current_event["top_score"]
|
|
or prev_event["entered_zones"] != current_event["entered_zones"]
|
|
or prev_event["thumbnail"] != current_event["thumbnail"]
|
|
or prev_event["end_time"] != current_event["end_time"]
|
|
):
|
|
return True
|
|
return False
|
|
|
|
|
|
class EventProcessor(threading.Thread):
|
|
def __init__(
|
|
self,
|
|
config: FrigateConfig,
|
|
camera_processes: dict[str, CameraMetricsTypes],
|
|
event_queue: Queue,
|
|
event_processed_queue: Queue,
|
|
timeline_queue: Queue,
|
|
stop_event: MpEvent,
|
|
):
|
|
threading.Thread.__init__(self)
|
|
self.name = "event_processor"
|
|
self.config = config
|
|
self.camera_processes = camera_processes
|
|
self.event_queue = event_queue
|
|
self.event_processed_queue = event_processed_queue
|
|
self.timeline_queue = timeline_queue
|
|
self.events_in_process: Dict[str, Event] = {}
|
|
self.stop_event = stop_event
|
|
|
|
def run(self) -> None:
|
|
# set an end_time on events without an end_time on startup
|
|
Event.update(end_time=Event.start_time + 30).where(
|
|
Event.end_time == None
|
|
).execute()
|
|
|
|
while not self.stop_event.is_set():
|
|
try:
|
|
source_type, event_type, camera, event_data = self.event_queue.get(
|
|
timeout=1
|
|
)
|
|
except queue.Empty:
|
|
continue
|
|
|
|
logger.debug(
|
|
f"Event received: {source_type} {event_type} {camera} {event_data['id']}"
|
|
)
|
|
|
|
if source_type == EventTypeEnum.tracked_object:
|
|
self.timeline_queue.put(
|
|
(
|
|
camera,
|
|
source_type,
|
|
event_type,
|
|
self.events_in_process.get(event_data["id"]),
|
|
event_data,
|
|
)
|
|
)
|
|
|
|
if event_type == "start":
|
|
self.events_in_process[event_data["id"]] = event_data
|
|
continue
|
|
|
|
self.handle_object_detection(event_type, camera, event_data)
|
|
elif source_type == EventTypeEnum.api:
|
|
self.handle_external_detection(event_type, event_data)
|
|
|
|
# set an end_time on events without an end_time before exiting
|
|
Event.update(end_time=datetime.datetime.now().timestamp()).where(
|
|
Event.end_time == None
|
|
).execute()
|
|
logger.info("Exiting event processor...")
|
|
|
|
def handle_object_detection(
|
|
self,
|
|
event_type: str,
|
|
camera: str,
|
|
event_data: Event,
|
|
) -> None:
|
|
"""handle tracked object event updates."""
|
|
# if this is the first message, just store it and continue, its not time to insert it in the db
|
|
if should_update_db(self.events_in_process[event_data["id"]], event_data):
|
|
camera_config = self.config.cameras[camera]
|
|
event_config: EventsConfig = camera_config.record.events
|
|
width = camera_config.detect.width
|
|
height = camera_config.detect.height
|
|
first_detector = list(self.config.detectors.values())[0]
|
|
|
|
start_time = event_data["start_time"] - event_config.pre_capture
|
|
end_time = (
|
|
None
|
|
if event_data["end_time"] is None
|
|
else event_data["end_time"] + event_config.post_capture
|
|
)
|
|
# score of the snapshot
|
|
score = (
|
|
None
|
|
if event_data["snapshot"] is None
|
|
else event_data["snapshot"]["score"]
|
|
)
|
|
# detection region in the snapshot
|
|
region = (
|
|
None
|
|
if event_data["snapshot"] is None
|
|
else to_relative_box(
|
|
width,
|
|
height,
|
|
event_data["snapshot"]["region"],
|
|
)
|
|
)
|
|
# bounding box for the snapshot
|
|
box = (
|
|
None
|
|
if event_data["snapshot"] is None
|
|
else to_relative_box(
|
|
width,
|
|
height,
|
|
event_data["snapshot"]["box"],
|
|
)
|
|
)
|
|
|
|
attributes = [
|
|
(
|
|
None
|
|
if event_data["snapshot"] is None
|
|
else {
|
|
"box": to_relative_box(
|
|
width,
|
|
height,
|
|
a["box"],
|
|
),
|
|
"label": a["label"],
|
|
"score": a["score"],
|
|
}
|
|
)
|
|
for a in event_data["snapshot"]["attributes"]
|
|
]
|
|
|
|
# keep these from being set back to false because the event
|
|
# may have started while recordings and snapshots were enabled
|
|
# this would be an issue for long running events
|
|
if self.events_in_process[event_data["id"]]["has_clip"]:
|
|
event_data["has_clip"] = True
|
|
if self.events_in_process[event_data["id"]]["has_snapshot"]:
|
|
event_data["has_snapshot"] = True
|
|
|
|
event = {
|
|
Event.id: event_data["id"],
|
|
Event.label: event_data["label"],
|
|
Event.camera: camera,
|
|
Event.start_time: start_time,
|
|
Event.end_time: end_time,
|
|
Event.zones: list(event_data["entered_zones"]),
|
|
Event.thumbnail: event_data["thumbnail"],
|
|
Event.has_clip: event_data["has_clip"],
|
|
Event.has_snapshot: event_data["has_snapshot"],
|
|
Event.model_hash: first_detector.model.model_hash,
|
|
Event.model_type: first_detector.model.model_type,
|
|
Event.detector_type: first_detector.type,
|
|
Event.data: {
|
|
"box": box,
|
|
"region": region,
|
|
"score": score,
|
|
"top_score": event_data["top_score"],
|
|
"attributes": attributes,
|
|
"type": "object",
|
|
},
|
|
}
|
|
|
|
# only overwrite the sub_label in the database if it's set
|
|
if event_data.get("sub_label") is not None:
|
|
event[Event.sub_label] = event_data["sub_label"][0]
|
|
event[Event.data]["sub_label_score"] = event_data["sub_label"][1]
|
|
|
|
(
|
|
Event.insert(event)
|
|
.on_conflict(
|
|
conflict_target=[Event.id],
|
|
update=event,
|
|
)
|
|
.execute()
|
|
)
|
|
|
|
# update the stored copy for comparison on future update messages
|
|
self.events_in_process[event_data["id"]] = event_data
|
|
|
|
if event_type == "end":
|
|
del self.events_in_process[event_data["id"]]
|
|
self.event_processed_queue.put((event_data["id"], camera))
|
|
|
|
def handle_external_detection(self, event_type: str, event_data: Event) -> None:
|
|
if event_type == "new":
|
|
event = {
|
|
Event.id: event_data["id"],
|
|
Event.label: event_data["label"],
|
|
Event.sub_label: event_data["sub_label"],
|
|
Event.camera: event_data["camera"],
|
|
Event.start_time: event_data["start_time"],
|
|
Event.end_time: event_data["end_time"],
|
|
Event.thumbnail: event_data["thumbnail"],
|
|
Event.has_clip: event_data["has_clip"],
|
|
Event.has_snapshot: event_data["has_snapshot"],
|
|
Event.zones: [],
|
|
Event.data: {
|
|
"type": event_data["type"],
|
|
"score": event_data["score"],
|
|
"top_score": event_data["score"],
|
|
},
|
|
}
|
|
Event.insert(event).execute()
|
|
elif event_type == "end":
|
|
event = {
|
|
Event.id: event_data["id"],
|
|
Event.end_time: event_data["end_time"],
|
|
}
|
|
|
|
try:
|
|
Event.update(event).where(Event.id == event_data["id"]).execute()
|
|
except Exception:
|
|
logger.warning(f"Failed to update manual event: {event_data['id']}")
|