mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-11-26 19:06:11 +01:00
229 lines
9.7 KiB
Python
229 lines
9.7 KiB
Python
import json
|
|
import logging
|
|
import multiprocessing as mp
|
|
import os
|
|
from logging.handlers import QueueHandler
|
|
from typing import Dict, List
|
|
import sys
|
|
import signal
|
|
|
|
import yaml
|
|
from playhouse.sqlite_ext import SqliteExtDatabase
|
|
|
|
from frigate.config import FrigateConfig
|
|
from frigate.const import RECORD_DIR, CLIPS_DIR, CACHE_DIR
|
|
from frigate.edgetpu import EdgeTPUProcess
|
|
from frigate.events import EventProcessor, EventCleanup
|
|
from frigate.http import create_app
|
|
from frigate.log import log_process, root_configurer
|
|
from frigate.models import Event
|
|
from frigate.mqtt import create_mqtt_client
|
|
from frigate.object_processing import TrackedObjectProcessor
|
|
from frigate.record import RecordingMaintainer
|
|
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.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 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')
|
|
self.config = FrigateConfig(config_file=config_file)
|
|
|
|
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_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.save_clips.enabled and 'clips' in assigned_roles:
|
|
logger.warning(f"Camera {name} has clips assigned to an input, but save_clips is not enabled.")
|
|
elif camera.save_clips.enabled and not 'clips' in assigned_roles:
|
|
logger.warning(f"Camera {name} has save_clips enabled, but clips is not assigned to an input.")
|
|
|
|
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)
|
|
for log, level in self.config.logger.logs.items():
|
|
logging.getLogger(log).setLevel(level)
|
|
|
|
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()
|
|
|
|
# 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):
|
|
self.db = SqliteExtDatabase(self.config.database.path)
|
|
models = [Event]
|
|
self.db.bind(models)
|
|
self.db.create_tables(models, safe=True)
|
|
|
|
def init_web_server(self):
|
|
self.flask_app = create_app(self.config, self.db, self.camera_metrics, self.detectors, self.detected_frames_processor)
|
|
|
|
def init_mqtt(self):
|
|
self.mqtt_client = create_mqtt_client(self.config.mqtt)
|
|
|
|
def start_detectors(self):
|
|
model_shape = (self.config.model.height, self.config.model.width)
|
|
for name in self.config.cameras.keys():
|
|
self.detection_out_events[name] = mp.Event()
|
|
shm_in = mp.shared_memory.SharedMemory(name=name, create=True, size=self.config.model.height*self.config.model.width*3)
|
|
shm_out = mp.shared_memory.SharedMemory(name=f"out-{name}", create=True, size=20*6*4)
|
|
self.detection_shms.append(shm_in)
|
|
self.detection_shms.append(shm_out)
|
|
|
|
for name, detector in self.config.detectors.items():
|
|
if detector.type == 'cpu':
|
|
self.detectors[name] = EdgeTPUProcess(name, self.detection_queue, self.detection_out_events, model_shape, 'cpu', detector.num_threads)
|
|
if detector.type == 'edgetpu':
|
|
self.detectors[name] = EdgeTPUProcess(name, self.detection_queue, self.detection_out_events, 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.stop_event)
|
|
self.detected_frames_processor.start()
|
|
|
|
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.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_watchdog(self):
|
|
self.frigate_watchdog = FrigateWatchdog(self.detectors, self.stop_event)
|
|
self.frigate_watchdog.start()
|
|
|
|
def start(self):
|
|
self.init_logger()
|
|
try:
|
|
self.ensure_dirs()
|
|
try:
|
|
self.init_config()
|
|
except Exception as e:
|
|
logger.error(f"Error parsing config: {e}")
|
|
self.log_process.terminate()
|
|
sys.exit(1)
|
|
self.check_config()
|
|
self.set_log_levels()
|
|
self.init_queues()
|
|
self.init_database()
|
|
self.init_mqtt()
|
|
except Exception as e:
|
|
logger.error(e)
|
|
self.log_process.terminate()
|
|
sys.exit(1)
|
|
self.start_detectors()
|
|
self.start_detected_frames_processor()
|
|
self.start_camera_processors()
|
|
self.start_camera_capture_processes()
|
|
self.init_web_server()
|
|
self.start_event_processor()
|
|
self.start_event_cleanup()
|
|
self.start_recording_maintainer()
|
|
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)
|
|
|
|
self.flask_app.run(host='127.0.0.1', port=5001, debug=False)
|
|
self.stop()
|
|
|
|
def stop(self):
|
|
logger.info(f"Stopping...")
|
|
self.stop_event.set()
|
|
|
|
self.detected_frames_processor.join()
|
|
self.event_processor.join()
|
|
self.event_cleanup.join()
|
|
self.recording_maintainer.join()
|
|
self.frigate_watchdog.join()
|
|
|
|
for detector in self.detectors.values():
|
|
detector.stop()
|
|
|
|
while len(self.detection_shms) > 0:
|
|
shm = self.detection_shms.pop()
|
|
shm.close()
|
|
shm.unlink()
|