mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-12-23 19:11:14 +01:00
386 lines
14 KiB
Python
386 lines
14 KiB
Python
import json
|
|
import logging
|
|
import multiprocessing as mp
|
|
import os
|
|
import signal
|
|
import sys
|
|
import threading
|
|
from logging.handlers import QueueHandler
|
|
from typing import Dict, List
|
|
|
|
import yaml
|
|
from peewee_migrate import Router
|
|
from playhouse.sqlite_ext import SqliteExtDatabase
|
|
from playhouse.sqliteq import SqliteQueueDatabase
|
|
|
|
from frigate.config import DetectorTypeEnum, FrigateConfig
|
|
from frigate.const import CACHE_DIR, CLIPS_DIR, RECORD_DIR
|
|
from frigate.edgetpu import EdgeTPUProcess
|
|
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
|
|
from frigate.mqtt import create_mqtt_client, MqttSocketRelay
|
|
from frigate.object_processing import TrackedObjectProcessor
|
|
from frigate.output import output_frames
|
|
from frigate.record import RecordingCleanup, RecordingMaintainer
|
|
from frigate.stats import StatsEmitter, stats_init
|
|
from frigate.video import capture_camera, track_camera
|
|
from frigate.watchdog import FrigateWatchdog
|
|
from frigate.zeroconf import broadcast_zeroconf
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class FrigateApp:
|
|
def __init__(self):
|
|
self.stop_event = mp.Event()
|
|
self.base_config: FrigateConfig = None
|
|
self.config: FrigateConfig = None
|
|
self.detection_queue = mp.Queue()
|
|
self.detectors: Dict[str, EdgeTPUProcess] = {}
|
|
self.detection_out_events: Dict[str, mp.Event] = {}
|
|
self.detection_shms: List[mp.shared_memory.SharedMemory] = []
|
|
self.log_queue = mp.Queue()
|
|
self.camera_metrics = {}
|
|
|
|
def set_environment_vars(self):
|
|
for key, value in self.config.environment_vars.items():
|
|
os.environ[key] = value
|
|
|
|
def ensure_dirs(self):
|
|
for d in [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):
|
|
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):
|
|
config_file = os.environ.get("CONFIG_FILE", "/config/config.yml")
|
|
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
|
|
),
|
|
"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),
|
|
}
|
|
|
|
def check_config(self):
|
|
for name, camera in self.config.cameras.items():
|
|
assigned_roles = list(
|
|
set([r for i in camera.ffmpeg.inputs for r in i.roles])
|
|
)
|
|
if not camera.record.enabled and "record" in assigned_roles:
|
|
logger.warning(
|
|
f"Camera {name} has record assigned to an input, but record is not enabled."
|
|
)
|
|
elif camera.record.enabled and not "record" in assigned_roles:
|
|
logger.warning(
|
|
f"Camera {name} has record enabled, but record is not assigned to an input."
|
|
)
|
|
|
|
if not camera.rtmp.enabled and "rtmp" in assigned_roles:
|
|
logger.warning(
|
|
f"Camera {name} has rtmp assigned to an input, but rtmp is not enabled."
|
|
)
|
|
elif camera.rtmp.enabled and not "rtmp" in assigned_roles:
|
|
logger.warning(
|
|
f"Camera {name} has rtmp enabled, but rtmp is not assigned to an input."
|
|
)
|
|
|
|
def set_log_levels(self):
|
|
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")
|
|
|
|
def init_queues(self):
|
|
# Queues for clip processing
|
|
self.event_queue = mp.Queue()
|
|
self.event_processed_queue = mp.Queue()
|
|
self.video_output_queue = mp.Queue(maxsize=len(self.config.cameras.keys()) * 2)
|
|
|
|
# Queue for cameras to push tracked objects to
|
|
self.detected_frames_queue = mp.Queue(
|
|
maxsize=len(self.config.cameras.keys()) * 2
|
|
)
|
|
|
|
def init_database(self):
|
|
# Migrate DB location
|
|
old_db_path = os.path.join(CLIPS_DIR, "frigate.db")
|
|
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]
|
|
self.db.bind(models)
|
|
|
|
def init_stats(self):
|
|
self.stats_tracking = stats_init(self.camera_metrics, self.detectors)
|
|
|
|
def init_web_server(self):
|
|
self.flask_app = create_app(
|
|
self.config,
|
|
self.db,
|
|
self.stats_tracking,
|
|
self.detected_frames_processor,
|
|
)
|
|
|
|
def init_mqtt(self):
|
|
self.mqtt_client = create_mqtt_client(self.config, self.camera_metrics)
|
|
|
|
def start_mqtt_relay(self):
|
|
self.mqtt_relay = MqttSocketRelay(
|
|
self.mqtt_client, self.config.mqtt.topic_prefix
|
|
)
|
|
self.mqtt_relay.start()
|
|
|
|
def start_detectors(self):
|
|
model_path = self.config.model.path
|
|
model_shape = (self.config.model.height, self.config.model.width)
|
|
for name in self.config.cameras.keys():
|
|
self.detection_out_events[name] = mp.Event()
|
|
|
|
try:
|
|
shm_in = mp.shared_memory.SharedMemory(
|
|
name=name,
|
|
create=True,
|
|
size=self.config.model.height * self.config.model.width * 3,
|
|
)
|
|
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 in self.config.detectors.items():
|
|
if detector.type == DetectorTypeEnum.cpu:
|
|
self.detectors[name] = EdgeTPUProcess(
|
|
name,
|
|
self.detection_queue,
|
|
self.detection_out_events,
|
|
model_path,
|
|
model_shape,
|
|
"cpu",
|
|
detector.num_threads,
|
|
)
|
|
if detector.type == DetectorTypeEnum.edgetpu:
|
|
self.detectors[name] = EdgeTPUProcess(
|
|
name,
|
|
self.detection_queue,
|
|
self.detection_out_events,
|
|
model_path,
|
|
model_shape,
|
|
detector.device,
|
|
detector.num_threads,
|
|
)
|
|
|
|
def start_detected_frames_processor(self):
|
|
self.detected_frames_processor = TrackedObjectProcessor(
|
|
self.config,
|
|
self.mqtt_client,
|
|
self.config.mqtt.topic_prefix,
|
|
self.detected_frames_queue,
|
|
self.event_queue,
|
|
self.event_processed_queue,
|
|
self.video_output_queue,
|
|
self.stop_event,
|
|
)
|
|
self.detected_frames_processor.start()
|
|
|
|
def start_video_output_processor(self):
|
|
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):
|
|
model_shape = (self.config.model.height, self.config.model.width)
|
|
for name, config in self.config.cameras.items():
|
|
camera_process = mp.Process(
|
|
target=track_camera,
|
|
name=f"camera_processor:{name}",
|
|
args=(
|
|
name,
|
|
config,
|
|
model_shape,
|
|
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):
|
|
for name, config in self.config.cameras.items():
|
|
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_event_processor(self):
|
|
self.event_processor = EventProcessor(
|
|
self.config,
|
|
self.camera_metrics,
|
|
self.event_queue,
|
|
self.event_processed_queue,
|
|
self.stop_event,
|
|
)
|
|
self.event_processor.start()
|
|
|
|
def start_event_cleanup(self):
|
|
self.event_cleanup = EventCleanup(self.config, self.stop_event)
|
|
self.event_cleanup.start()
|
|
|
|
def start_recording_maintainer(self):
|
|
self.recording_maintainer = RecordingMaintainer(self.config, self.stop_event)
|
|
self.recording_maintainer.start()
|
|
|
|
def start_recording_cleanup(self):
|
|
self.recording_cleanup = RecordingCleanup(self.config, self.stop_event)
|
|
self.recording_cleanup.start()
|
|
|
|
def start_stats_emitter(self):
|
|
self.stats_emitter = StatsEmitter(
|
|
self.config,
|
|
self.stats_tracking,
|
|
self.mqtt_client,
|
|
self.config.mqtt.topic_prefix,
|
|
self.stop_event,
|
|
)
|
|
self.stats_emitter.start()
|
|
|
|
def start_watchdog(self):
|
|
self.frigate_watchdog = FrigateWatchdog(self.detectors, self.stop_event)
|
|
self.frigate_watchdog.start()
|
|
|
|
def start(self):
|
|
self.init_logger()
|
|
try:
|
|
try:
|
|
self.init_config()
|
|
except Exception as e:
|
|
print(f"Error parsing config: {e}")
|
|
self.log_process.terminate()
|
|
sys.exit(1)
|
|
self.set_environment_vars()
|
|
self.ensure_dirs()
|
|
self.check_config()
|
|
self.set_log_levels()
|
|
self.init_queues()
|
|
self.init_database()
|
|
self.init_mqtt()
|
|
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.init_stats()
|
|
self.init_web_server()
|
|
self.start_mqtt_relay()
|
|
self.start_event_processor()
|
|
self.start_event_cleanup()
|
|
self.start_recording_maintainer()
|
|
self.start_recording_cleanup()
|
|
self.start_stats_emitter()
|
|
self.start_watchdog()
|
|
# self.zeroconf = broadcast_zeroconf(self.config.mqtt.client_id)
|
|
|
|
def receiveSignal(signalNumber, frame):
|
|
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):
|
|
logger.info(f"Stopping...")
|
|
self.stop_event.set()
|
|
|
|
self.mqtt_relay.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()
|
|
|
|
for detector in self.detectors.values():
|
|
detector.stop()
|
|
|
|
while len(self.detection_shms) > 0:
|
|
shm = self.detection_shms.pop()
|
|
shm.close()
|
|
shm.unlink()
|