blakeblackshear.frigate/frigate/app.py
Nicolas Mowen 43ade86796
Support Controlling PTZ Cameras Via WebUI (#4715)
* Add support for ptz commands via websocket

* Fix startup issues

* Fix bugs

* Set config manually

* Add more commands

* Add presets

* Add zooming

* Fixes

* Set name

* Cleanup

* Add ability to set presets from UI

* Add ability to set preset from UI

* Cleanup for errors

* Ui tweaks

* Add visual design for pan / tilt

* Add pan/tilt support

* Support zooming

* Try to set wsdl

* Fix duplicate logs

* Catch auth errors

* Don't init onvif for disabled cameras

* Fix layout sizing

* Don't comment out

* Fix formatting

* Add ability to control camera with keyboard shortcuts

* Disallow user selection

* Fix mobile pressing

* Remove logs

* Substitute onvif password

* Add ptz controls ot birdseye

* Put wsdl back

* Add padding

* Formatting

* Catch onvif error

* Optimize layout for mobile and web

* Place ptz controls next to birdseye view in large layout

* Fix pt support

* Center text titles

* Update tests

* Update docs

* Write camera docs for PTZ

* Add MQTT docs for PTZ

* Add ptz info docs for http

* Fix test

* Make half width when full screen

* Fix preset panel logic

* Fix parsing

* Update mqtt.md

* Catch preset error

* Add onvif example to docs

* Remove template example from main camera docs
2023-04-26 06:08:53 -05:00

469 lines
17 KiB
Python

import logging
import multiprocessing as mp
from multiprocessing.queues import Queue
from multiprocessing.synchronize import Event as MpEvent
import os
import shutil
import signal
import sys
from typing import Optional
from types import FrameType
import traceback
from peewee_migrate import Router
from playhouse.sqlite_ext import SqliteExtDatabase
from playhouse.sqliteq import SqliteQueueDatabase
from frigate.comms.dispatcher import Communicator, Dispatcher
from frigate.comms.mqtt import MqttClient
from frigate.comms.ws import WebSocketClient
from frigate.config import FrigateConfig
from frigate.const import CACHE_DIR, CLIPS_DIR, CONFIG_DIR, DEFAULT_DB_PATH, RECORD_DIR
from frigate.object_detection import ObjectDetectProcess
from frigate.events import EventCleanup, EventProcessor
from frigate.http import create_app
from frigate.log import log_process, root_configurer
from frigate.models import Event, Recordings, Timeline
from frigate.object_processing import TrackedObjectProcessor
from frigate.output import output_frames
from frigate.plus import PlusApi
from frigate.ptz import OnvifController
from frigate.record import RecordingCleanup, RecordingMaintainer
from frigate.stats import StatsEmitter, stats_init
from frigate.storage import StorageMaintainer
from frigate.timeline import TimelineProcessor
from frigate.version import VERSION
from frigate.video import capture_camera, track_camera
from frigate.watchdog import FrigateWatchdog
from frigate.types import CameraMetricsTypes
logger = logging.getLogger(__name__)
class FrigateApp:
def __init__(self) -> None:
self.stop_event: MpEvent = mp.Event()
self.detection_queue: Queue = mp.Queue()
self.detectors: dict[str, ObjectDetectProcess] = {}
self.detection_out_events: dict[str, MpEvent] = {}
self.detection_shms: list[mp.shared_memory.SharedMemory] = []
self.log_queue: Queue = mp.Queue()
self.plus_api = PlusApi()
self.camera_metrics: dict[str, CameraMetricsTypes] = {}
def set_environment_vars(self) -> None:
for key, value in self.config.environment_vars.items():
os.environ[key] = value
def ensure_dirs(self) -> None:
for d in [CONFIG_DIR, RECORD_DIR, CLIPS_DIR, CACHE_DIR]:
if not os.path.exists(d) and not os.path.islink(d):
logger.info(f"Creating directory: {d}")
os.makedirs(d)
else:
logger.debug(f"Skipping directory: {d}")
def init_logger(self) -> None:
self.log_process = mp.Process(
target=log_process, args=(self.log_queue,), name="log_process"
)
self.log_process.daemon = True
self.log_process.start()
root_configurer(self.log_queue)
def init_config(self) -> None:
config_file = os.environ.get("CONFIG_FILE", "/config/config.yml")
# Check if we can use .yaml instead of .yml
config_file_yaml = config_file.replace(".yml", ".yaml")
if os.path.isfile(config_file_yaml):
config_file = config_file_yaml
user_config = FrigateConfig.parse_file(config_file)
self.config = user_config.runtime_config
for camera_name in self.config.cameras.keys():
# create camera_metrics
self.camera_metrics[camera_name] = {
"camera_fps": mp.Value("d", 0.0),
"skipped_fps": mp.Value("d", 0.0),
"process_fps": mp.Value("d", 0.0),
"detection_enabled": mp.Value(
"i", self.config.cameras[camera_name].detect.enabled
),
"motion_enabled": mp.Value("i", True),
"improve_contrast_enabled": mp.Value(
"i", self.config.cameras[camera_name].motion.improve_contrast
),
"motion_threshold": mp.Value(
"i", self.config.cameras[camera_name].motion.threshold
),
"motion_contour_area": mp.Value(
"i", self.config.cameras[camera_name].motion.contour_area
),
"detection_fps": mp.Value("d", 0.0),
"detection_frame": mp.Value("d", 0.0),
"read_start": mp.Value("d", 0.0),
"ffmpeg_pid": mp.Value("i", 0),
"frame_queue": mp.Queue(maxsize=2),
"capture_process": None,
"process": None,
}
def set_log_levels(self) -> None:
logging.getLogger().setLevel(self.config.logger.default.value.upper())
for log, level in self.config.logger.logs.items():
logging.getLogger(log).setLevel(level.value.upper())
if not "werkzeug" in self.config.logger.logs:
logging.getLogger("werkzeug").setLevel("ERROR")
if not "ws4py" in self.config.logger.logs:
logging.getLogger("ws4py").setLevel("ERROR")
def init_queues(self) -> None:
# Queues for clip processing
self.event_queue: Queue = mp.Queue()
self.event_processed_queue: Queue = mp.Queue()
self.video_output_queue: Queue = mp.Queue(
maxsize=len(self.config.cameras.keys()) * 2
)
# Queue for cameras to push tracked objects to
self.detected_frames_queue: Queue = mp.Queue(
maxsize=len(self.config.cameras.keys()) * 2
)
# Queue for recordings info
self.recordings_info_queue: Queue = mp.Queue()
# Queue for timeline events
self.timeline_queue: Queue = mp.Queue()
def init_database(self) -> None:
# Migrate DB location
old_db_path = DEFAULT_DB_PATH
if not os.path.isfile(self.config.database.path) and os.path.isfile(
old_db_path
):
os.rename(old_db_path, self.config.database.path)
# Migrate DB schema
migrate_db = SqliteExtDatabase(self.config.database.path)
# Run migrations
del logging.getLogger("peewee_migrate").handlers[:]
router = Router(migrate_db)
router.run()
migrate_db.close()
self.db = SqliteQueueDatabase(self.config.database.path)
models = [Event, Recordings, Timeline]
self.db.bind(models)
def init_stats(self) -> None:
self.stats_tracking = stats_init(
self.config, self.camera_metrics, self.detectors
)
def init_web_server(self) -> None:
self.flask_app = create_app(
self.config,
self.db,
self.stats_tracking,
self.detected_frames_processor,
self.storage_maintainer,
self.onvif_controller,
self.plus_api,
)
def init_onvif(self) -> None:
self.onvif_controller = OnvifController(self.config)
def init_dispatcher(self) -> None:
comms: list[Communicator] = []
if self.config.mqtt.enabled:
comms.append(MqttClient(self.config))
comms.append(WebSocketClient(self.config))
self.dispatcher = Dispatcher(
self.config, self.onvif_controller, self.camera_metrics, comms
)
def start_detectors(self) -> None:
for name in self.config.cameras.keys():
self.detection_out_events[name] = mp.Event()
try:
largest_frame = max(
[
det.model.height * det.model.width * 3
for (name, det) in self.config.detectors.items()
]
)
shm_in = mp.shared_memory.SharedMemory(
name=name,
create=True,
size=largest_frame,
)
except FileExistsError:
shm_in = mp.shared_memory.SharedMemory(name=name)
try:
shm_out = mp.shared_memory.SharedMemory(
name=f"out-{name}", create=True, size=20 * 6 * 4
)
except FileExistsError:
shm_out = mp.shared_memory.SharedMemory(name=f"out-{name}")
self.detection_shms.append(shm_in)
self.detection_shms.append(shm_out)
for name, detector_config in self.config.detectors.items():
self.detectors[name] = ObjectDetectProcess(
name,
self.detection_queue,
self.detection_out_events,
detector_config,
)
def start_detected_frames_processor(self) -> None:
self.detected_frames_processor = TrackedObjectProcessor(
self.config,
self.dispatcher,
self.detected_frames_queue,
self.event_queue,
self.event_processed_queue,
self.video_output_queue,
self.recordings_info_queue,
self.stop_event,
)
self.detected_frames_processor.start()
def start_video_output_processor(self) -> None:
output_processor = mp.Process(
target=output_frames,
name=f"output_processor",
args=(
self.config,
self.video_output_queue,
),
)
output_processor.daemon = True
self.output_processor = output_processor
output_processor.start()
logger.info(f"Output process started: {output_processor.pid}")
def start_camera_processors(self) -> None:
for name, config in self.config.cameras.items():
if not self.config.cameras[name].enabled:
logger.info(f"Camera processor not started for disabled camera {name}")
continue
camera_process = mp.Process(
target=track_camera,
name=f"camera_processor:{name}",
args=(
name,
config,
self.config.model,
self.config.model.merged_labelmap,
self.detection_queue,
self.detection_out_events[name],
self.detected_frames_queue,
self.camera_metrics[name],
),
)
camera_process.daemon = True
self.camera_metrics[name]["process"] = camera_process
camera_process.start()
logger.info(f"Camera processor started for {name}: {camera_process.pid}")
def start_camera_capture_processes(self) -> None:
for name, config in self.config.cameras.items():
if not self.config.cameras[name].enabled:
logger.info(f"Capture process not started for disabled camera {name}")
continue
capture_process = mp.Process(
target=capture_camera,
name=f"camera_capture:{name}",
args=(name, config, self.camera_metrics[name]),
)
capture_process.daemon = True
self.camera_metrics[name]["capture_process"] = capture_process
capture_process.start()
logger.info(f"Capture process started for {name}: {capture_process.pid}")
def start_timeline_processor(self) -> None:
self.timeline_processor = TimelineProcessor(
self.config, self.timeline_queue, self.stop_event
)
self.timeline_processor.start()
def start_event_processor(self) -> None:
self.event_processor = EventProcessor(
self.config,
self.camera_metrics,
self.event_queue,
self.event_processed_queue,
self.timeline_queue,
self.stop_event,
)
self.event_processor.start()
def start_event_cleanup(self) -> None:
self.event_cleanup = EventCleanup(self.config, self.stop_event)
self.event_cleanup.start()
def start_recording_maintainer(self) -> None:
self.recording_maintainer = RecordingMaintainer(
self.config, self.recordings_info_queue, self.stop_event
)
self.recording_maintainer.start()
def start_recording_cleanup(self) -> None:
self.recording_cleanup = RecordingCleanup(self.config, self.stop_event)
self.recording_cleanup.start()
def start_storage_maintainer(self) -> None:
self.storage_maintainer = StorageMaintainer(self.config, self.stop_event)
self.storage_maintainer.start()
def start_stats_emitter(self) -> None:
self.stats_emitter = StatsEmitter(
self.config,
self.stats_tracking,
self.dispatcher,
self.stop_event,
)
self.stats_emitter.start()
def start_watchdog(self) -> None:
self.frigate_watchdog = FrigateWatchdog(self.detectors, self.stop_event)
self.frigate_watchdog.start()
def check_shm(self) -> None:
available_shm = round(shutil.disk_usage("/dev/shm").total / 1000000, 1)
min_req_shm = 30
for _, camera in self.config.cameras.items():
min_req_shm += round(
(camera.detect.width * camera.detect.height * 1.5 * 9 + 270480)
/ 1048576,
1,
)
if available_shm < min_req_shm:
logger.warning(
f"The current SHM size of {available_shm}MB is too small, recommend increasing it to at least {min_req_shm}MB."
)
def start(self) -> None:
self.init_logger()
logger.info(f"Starting Frigate ({VERSION})")
try:
try:
self.init_config()
except Exception as e:
print("*************************************************************")
print("*************************************************************")
print("*** Your config file is not valid! ***")
print("*** Please check the docs at ***")
print("*** https://docs.frigate.video/configuration/index ***")
print("*************************************************************")
print("*************************************************************")
print("*** Config Validation Errors ***")
print("*************************************************************")
print(e)
print(traceback.format_exc())
print("*************************************************************")
print("*** End Config Validation Errors ***")
print("*************************************************************")
self.log_process.terminate()
sys.exit(1)
self.set_environment_vars()
self.ensure_dirs()
self.set_log_levels()
self.init_queues()
self.init_database()
self.init_onvif()
self.init_dispatcher()
except Exception as e:
print(e)
self.log_process.terminate()
sys.exit(1)
self.start_detectors()
self.start_video_output_processor()
self.start_detected_frames_processor()
self.start_camera_processors()
self.start_camera_capture_processes()
self.start_storage_maintainer()
self.init_stats()
self.init_web_server()
self.start_timeline_processor()
self.start_event_processor()
self.start_event_cleanup()
self.start_recording_maintainer()
self.start_recording_cleanup()
self.start_stats_emitter()
self.start_watchdog()
self.check_shm()
def receiveSignal(signalNumber: int, frame: Optional[FrameType]) -> None:
self.stop()
sys.exit()
signal.signal(signal.SIGTERM, receiveSignal)
try:
self.flask_app.run(host="127.0.0.1", port=5001, debug=False)
except KeyboardInterrupt:
pass
self.stop()
def stop(self) -> None:
logger.info(f"Stopping...")
self.stop_event.set()
for detector in self.detectors.values():
detector.stop()
# Empty the detection queue and set the events for all requests
while not self.detection_queue.empty():
connection_id = self.detection_queue.get(timeout=1)
self.detection_out_events[connection_id].set()
self.detection_queue.close()
self.detection_queue.join_thread()
self.dispatcher.stop()
self.detected_frames_processor.join()
self.event_processor.join()
self.event_cleanup.join()
self.recording_maintainer.join()
self.recording_cleanup.join()
self.stats_emitter.join()
self.frigate_watchdog.join()
self.db.stop()
while len(self.detection_shms) > 0:
shm = self.detection_shms.pop()
shm.close()
shm.unlink()
for queue in [
self.event_queue,
self.event_processed_queue,
self.video_output_queue,
self.detected_frames_queue,
self.recordings_info_queue,
self.log_queue,
]:
while not queue.empty():
queue.get_nowait()
queue.close()
queue.join_thread()