mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-11-30 19:09:13 +01:00
291 lines
13 KiB
Python
291 lines
13 KiB
Python
"""Handle communication between Frigate and other applications."""
|
|
|
|
import logging
|
|
from abc import ABC, abstractmethod
|
|
from typing import Any, Callable
|
|
|
|
from frigate.config import FrigateConfig
|
|
from frigate.const import INSERT_MANY_RECORDINGS
|
|
from frigate.models import Recordings
|
|
from frigate.ptz.onvif import OnvifCommandEnum, OnvifController
|
|
from frigate.types import CameraMetricsTypes, FeatureMetricsTypes, PTZMetricsTypes
|
|
from frigate.util.services import restart_frigate
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Communicator(ABC):
|
|
"""pub/sub model via specific protocol."""
|
|
|
|
@abstractmethod
|
|
def publish(self, topic: str, payload: Any, retain: bool = False) -> None:
|
|
"""Send data via specific protocol."""
|
|
pass
|
|
|
|
@abstractmethod
|
|
def subscribe(self, receiver: Callable) -> None:
|
|
"""Pass receiver so communicators can pass commands."""
|
|
pass
|
|
|
|
@abstractmethod
|
|
def stop(self) -> None:
|
|
"""Stop the communicator."""
|
|
pass
|
|
|
|
|
|
class Dispatcher:
|
|
"""Handle communication between Frigate and communicators."""
|
|
|
|
def __init__(
|
|
self,
|
|
config: FrigateConfig,
|
|
onvif: OnvifController,
|
|
camera_metrics: dict[str, CameraMetricsTypes],
|
|
feature_metrics: dict[str, FeatureMetricsTypes],
|
|
ptz_metrics: dict[str, PTZMetricsTypes],
|
|
communicators: list[Communicator],
|
|
) -> None:
|
|
self.config = config
|
|
self.onvif = onvif
|
|
self.camera_metrics = camera_metrics
|
|
self.feature_metrics = feature_metrics
|
|
self.ptz_metrics = ptz_metrics
|
|
self.comms = communicators
|
|
|
|
self._camera_settings_handlers: dict[str, Callable] = {
|
|
"audio": self._on_audio_command,
|
|
"detect": self._on_detect_command,
|
|
"improve_contrast": self._on_motion_improve_contrast_command,
|
|
"ptz_autotracker": self._on_ptz_autotracker_command,
|
|
"motion": self._on_motion_command,
|
|
"motion_contour_area": self._on_motion_contour_area_command,
|
|
"motion_threshold": self._on_motion_threshold_command,
|
|
"recordings": self._on_recordings_command,
|
|
"snapshots": self._on_snapshots_command,
|
|
}
|
|
|
|
for comm in self.comms:
|
|
comm.subscribe(self._receive)
|
|
|
|
def _receive(self, topic: str, payload: str) -> None:
|
|
"""Handle receiving of payload from communicators."""
|
|
if topic.endswith("set"):
|
|
try:
|
|
# example /cam_name/detect/set payload=ON|OFF
|
|
camera_name = topic.split("/")[-3]
|
|
command = topic.split("/")[-2]
|
|
self._camera_settings_handlers[command](camera_name, payload)
|
|
except IndexError:
|
|
logger.error(f"Received invalid set command: {topic}")
|
|
return
|
|
elif topic.endswith("ptz"):
|
|
try:
|
|
# example /cam_name/ptz payload=MOVE_UP|MOVE_DOWN|STOP...
|
|
camera_name = topic.split("/")[-2]
|
|
self._on_ptz_command(camera_name, payload)
|
|
except IndexError:
|
|
logger.error(f"Received invalid ptz command: {topic}")
|
|
return
|
|
elif topic == "restart":
|
|
restart_frigate()
|
|
elif topic == INSERT_MANY_RECORDINGS:
|
|
Recordings.insert_many(payload).execute()
|
|
else:
|
|
self.publish(topic, payload, retain=False)
|
|
|
|
def publish(self, topic: str, payload: Any, retain: bool = False) -> None:
|
|
"""Handle publishing to communicators."""
|
|
for comm in self.comms:
|
|
comm.publish(topic, payload, retain)
|
|
|
|
def stop(self) -> None:
|
|
for comm in self.comms:
|
|
comm.stop()
|
|
|
|
def _on_detect_command(self, camera_name: str, payload: str) -> None:
|
|
"""Callback for detect topic."""
|
|
detect_settings = self.config.cameras[camera_name].detect
|
|
|
|
if payload == "ON":
|
|
if not self.camera_metrics[camera_name]["detection_enabled"].value:
|
|
logger.info(f"Turning on detection for {camera_name}")
|
|
self.camera_metrics[camera_name]["detection_enabled"].value = True
|
|
detect_settings.enabled = True
|
|
|
|
if not self.camera_metrics[camera_name]["motion_enabled"].value:
|
|
logger.info(
|
|
f"Turning on motion for {camera_name} due to detection being enabled."
|
|
)
|
|
self.camera_metrics[camera_name]["motion_enabled"].value = True
|
|
self.publish(f"{camera_name}/motion/state", payload, retain=True)
|
|
elif payload == "OFF":
|
|
if self.camera_metrics[camera_name]["detection_enabled"].value:
|
|
logger.info(f"Turning off detection for {camera_name}")
|
|
self.camera_metrics[camera_name]["detection_enabled"].value = False
|
|
detect_settings.enabled = False
|
|
|
|
self.publish(f"{camera_name}/detect/state", payload, retain=True)
|
|
|
|
def _on_motion_command(self, camera_name: str, payload: str) -> None:
|
|
"""Callback for motion topic."""
|
|
if payload == "ON":
|
|
if not self.camera_metrics[camera_name]["motion_enabled"].value:
|
|
logger.info(f"Turning on motion for {camera_name}")
|
|
self.camera_metrics[camera_name]["motion_enabled"].value = True
|
|
elif payload == "OFF":
|
|
if self.camera_metrics[camera_name]["detection_enabled"].value:
|
|
logger.error(
|
|
"Turning off motion is not allowed when detection is enabled."
|
|
)
|
|
return
|
|
|
|
if self.camera_metrics[camera_name]["motion_enabled"].value:
|
|
logger.info(f"Turning off motion for {camera_name}")
|
|
self.camera_metrics[camera_name]["motion_enabled"].value = False
|
|
|
|
self.publish(f"{camera_name}/motion/state", payload, retain=True)
|
|
|
|
def _on_motion_improve_contrast_command(
|
|
self, camera_name: str, payload: str
|
|
) -> None:
|
|
"""Callback for improve_contrast topic."""
|
|
motion_settings = self.config.cameras[camera_name].motion
|
|
|
|
if payload == "ON":
|
|
if not self.camera_metrics[camera_name]["improve_contrast_enabled"].value:
|
|
logger.info(f"Turning on improve contrast for {camera_name}")
|
|
self.camera_metrics[camera_name][
|
|
"improve_contrast_enabled"
|
|
].value = True
|
|
motion_settings.improve_contrast = True # type: ignore[union-attr]
|
|
elif payload == "OFF":
|
|
if self.camera_metrics[camera_name]["improve_contrast_enabled"].value:
|
|
logger.info(f"Turning off improve contrast for {camera_name}")
|
|
self.camera_metrics[camera_name][
|
|
"improve_contrast_enabled"
|
|
].value = False
|
|
motion_settings.improve_contrast = False # type: ignore[union-attr]
|
|
|
|
self.publish(f"{camera_name}/improve_contrast/state", payload, retain=True)
|
|
|
|
def _on_ptz_autotracker_command(self, camera_name: str, payload: str) -> None:
|
|
"""Callback for ptz_autotracker topic."""
|
|
ptz_autotracker_settings = self.config.cameras[camera_name].onvif.autotracking
|
|
|
|
if payload == "ON":
|
|
if not self.ptz_metrics[camera_name]["ptz_autotracker_enabled"].value:
|
|
logger.info(f"Turning on ptz autotracker for {camera_name}")
|
|
self.ptz_metrics[camera_name]["ptz_autotracker_enabled"].value = True
|
|
ptz_autotracker_settings.enabled = True
|
|
elif payload == "OFF":
|
|
if self.ptz_metrics[camera_name]["ptz_autotracker_enabled"].value:
|
|
logger.info(f"Turning off ptz autotracker for {camera_name}")
|
|
self.ptz_metrics[camera_name]["ptz_autotracker_enabled"].value = False
|
|
ptz_autotracker_settings.enabled = False
|
|
|
|
self.publish(f"{camera_name}/ptz_autotracker/state", payload, retain=True)
|
|
|
|
def _on_motion_contour_area_command(self, camera_name: str, payload: int) -> None:
|
|
"""Callback for motion contour topic."""
|
|
try:
|
|
payload = int(payload)
|
|
except ValueError:
|
|
f"Received unsupported value for motion contour area: {payload}"
|
|
return
|
|
|
|
motion_settings = self.config.cameras[camera_name].motion
|
|
logger.info(f"Setting motion contour area for {camera_name}: {payload}")
|
|
self.camera_metrics[camera_name]["motion_contour_area"].value = payload
|
|
motion_settings.contour_area = payload # type: ignore[union-attr]
|
|
self.publish(f"{camera_name}/motion_contour_area/state", payload, retain=True)
|
|
|
|
def _on_motion_threshold_command(self, camera_name: str, payload: int) -> None:
|
|
"""Callback for motion threshold topic."""
|
|
try:
|
|
payload = int(payload)
|
|
except ValueError:
|
|
f"Received unsupported value for motion threshold: {payload}"
|
|
return
|
|
|
|
motion_settings = self.config.cameras[camera_name].motion
|
|
logger.info(f"Setting motion threshold for {camera_name}: {payload}")
|
|
self.camera_metrics[camera_name]["motion_threshold"].value = payload
|
|
motion_settings.threshold = payload # type: ignore[union-attr]
|
|
self.publish(f"{camera_name}/motion_threshold/state", payload, retain=True)
|
|
|
|
def _on_audio_command(self, camera_name: str, payload: str) -> None:
|
|
"""Callback for audio topic."""
|
|
audio_settings = self.config.cameras[camera_name].audio
|
|
|
|
if payload == "ON":
|
|
if not self.config.cameras[camera_name].audio.enabled_in_config:
|
|
logger.error(
|
|
"Audio detection must be enabled in the config to be turned on via MQTT."
|
|
)
|
|
return
|
|
|
|
if not audio_settings.enabled:
|
|
logger.info(f"Turning on audio detection for {camera_name}")
|
|
audio_settings.enabled = True
|
|
self.feature_metrics[camera_name]["audio_enabled"].value = True
|
|
elif payload == "OFF":
|
|
if self.feature_metrics[camera_name]["audio_enabled"].value:
|
|
logger.info(f"Turning off audio detection for {camera_name}")
|
|
audio_settings.enabled = False
|
|
self.feature_metrics[camera_name]["audio_enabled"].value = False
|
|
|
|
self.publish(f"{camera_name}/audio/state", payload, retain=True)
|
|
|
|
def _on_recordings_command(self, camera_name: str, payload: str) -> None:
|
|
"""Callback for recordings topic."""
|
|
record_settings = self.config.cameras[camera_name].record
|
|
|
|
if payload == "ON":
|
|
if not self.config.cameras[camera_name].record.enabled_in_config:
|
|
logger.error(
|
|
"Recordings must be enabled in the config to be turned on via MQTT."
|
|
)
|
|
return
|
|
|
|
if not record_settings.enabled:
|
|
logger.info(f"Turning on recordings for {camera_name}")
|
|
record_settings.enabled = True
|
|
self.feature_metrics[camera_name]["record_enabled"].value = True
|
|
elif payload == "OFF":
|
|
if self.feature_metrics[camera_name]["record_enabled"].value:
|
|
logger.info(f"Turning off recordings for {camera_name}")
|
|
record_settings.enabled = False
|
|
self.feature_metrics[camera_name]["record_enabled"].value = False
|
|
|
|
self.publish(f"{camera_name}/recordings/state", payload, retain=True)
|
|
|
|
def _on_snapshots_command(self, camera_name: str, payload: str) -> None:
|
|
"""Callback for snapshots topic."""
|
|
snapshots_settings = self.config.cameras[camera_name].snapshots
|
|
|
|
if payload == "ON":
|
|
if not snapshots_settings.enabled:
|
|
logger.info(f"Turning on snapshots for {camera_name}")
|
|
snapshots_settings.enabled = True
|
|
elif payload == "OFF":
|
|
if snapshots_settings.enabled:
|
|
logger.info(f"Turning off snapshots for {camera_name}")
|
|
snapshots_settings.enabled = False
|
|
|
|
self.publish(f"{camera_name}/snapshots/state", payload, retain=True)
|
|
|
|
def _on_ptz_command(self, camera_name: str, payload: str) -> None:
|
|
"""Callback for ptz topic."""
|
|
try:
|
|
if "preset" in payload.lower():
|
|
command = OnvifCommandEnum.preset
|
|
param = payload.lower()[payload.index("_") + 1 :]
|
|
else:
|
|
command = OnvifCommandEnum[payload.lower()]
|
|
param = ""
|
|
|
|
self.onvif.handle_command(camera_name, command, param)
|
|
logger.info(f"Setting ptz command to {command} for {camera_name}")
|
|
except KeyError as k:
|
|
logger.error(f"Invalid PTZ command {payload}: {k}")
|