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https://github.com/blakeblackshear/frigate.git
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add event processor
This commit is contained in:
Blake Blackshear
parent
40f57a8754
commit
7ee6bfe855
@ -9,6 +9,7 @@ from typing import Dict, List
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from frigate.config import FRIGATE_CONFIG_SCHEMA
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from frigate.edgetpu import EdgeTPUProcess
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from frigate.events import EventProcessor
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from frigate.http import create_app
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from frigate.models import Event
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from frigate.mqtt import create_mqtt_client
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@ -23,6 +24,7 @@ class FrigateApp():
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self.detectors: Dict[str: EdgeTPUProcess] = {}
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self.detection_out_events: Dict[str: mp.Event] = {}
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self.detection_shms: List[mp.shared_memory.SharedMemory] = []
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self.camera_metrics = {}
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def init_config(self):
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config_file = os.environ.get('CONFIG_FILE', '/config/config.yml')
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@ -37,6 +39,7 @@ class FrigateApp():
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self.config = FRIGATE_CONFIG_SCHEMA(config)
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for camera_name, camera_config in self.config['cameras'].items():
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# set shape
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if 'width' in camera_config and 'height' in camera_config:
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frame_shape = (camera_config['height'], camera_config['width'], 3)
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else:
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@ -44,6 +47,7 @@ class FrigateApp():
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camera_config['frame_shape'] = frame_shape
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# build ffmpeg command
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ffmpeg = camera_config['ffmpeg']
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ffmpeg_input = ffmpeg['input']
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ffmpeg_global_args = ffmpeg.get('global_args', self.config['ffmpeg']['global_args'])
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@ -81,6 +85,18 @@ class FrigateApp():
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camera_config['ffmpeg_cmd'] = ffmpeg_cmd
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# create camera_metrics
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self.camera_metrics[camera_name] = {
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'camera_fps': mp.Value('d', 0.0),
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'skipped_fps': mp.Value('d', 0.0),
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'process_fps': mp.Value('d', 0.0),
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'detection_fps': mp.Value('d', 0.0),
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'detection_frame': mp.Value('d', 0.0),
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'read_start': mp.Value('d', 0.0),
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'ffmpeg_pid': mp.Value('i', 0),
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'frame_queue': mp.Queue(maxsize=2)
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}
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# TODO: sub in FRIGATE_ENV vars
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def init_queues(self):
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@ -131,34 +147,27 @@ class FrigateApp():
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self.detected_frames_processor.start()
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def start_camera_processors(self):
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self.camera_process_info = {}
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for name, config in self.config['cameras'].items():
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self.camera_process_info[name] = {
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'camera_fps': mp.Value('d', 0.0),
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'skipped_fps': mp.Value('d', 0.0),
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'process_fps': mp.Value('d', 0.0),
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'detection_fps': mp.Value('d', 0.0),
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'detection_frame': mp.Value('d', 0.0),
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'read_start': mp.Value('d', 0.0),
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'ffmpeg_pid': mp.Value('i', 0),
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'frame_queue': mp.Queue(maxsize=2)
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}
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camera_process = mp.Process(target=track_camera, args=(name, config,
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self.detection_queue, self.detection_out_events[name], self.detected_frames_queue,
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self.camera_process_info[name]))
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self.camera_metrics[name]))
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camera_process.daemon = True
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self.camera_process_info[name]['process'] = camera_process
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self.camera_metrics[name]['process'] = camera_process
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camera_process.start()
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print(f"Camera process started for {name}: {camera_process.pid}")
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print(f"Camera processor started for {name}: {camera_process.pid}")
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def start_camera_capture_processes(self):
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for name, config in self.config['cameras'].items():
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capture_process = mp.Process(target=capture_camera, args=(name, config,
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self.camera_process_info[name]))
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self.camera_metrics[name]))
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capture_process.daemon = True
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self.camera_process_info[name]['capture_process'] = capture_process
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self.camera_metrics[name]['capture_process'] = capture_process
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capture_process.start()
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print(f"Camera process started for {name}: {capture_process.pid}")
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print(f"Capture process started for {name}: {capture_process.pid}")
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def start_event_processor(self):
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self.event_processor = EventProcessor(self.config, self.camera_metrics, self.event_queue, self.stop_event)
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self.event_processor.start()
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def start_watchdog(self):
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pass
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@ -173,6 +182,7 @@ class FrigateApp():
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self.start_detected_frames_processor()
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self.start_camera_processors()
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self.start_camera_capture_processes()
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self.start_event_processor()
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self.start_watchdog()
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self.flask_app.run(host='0.0.0.0', port=self.config['web_port'], debug=False)
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self.stop()
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@ -182,6 +192,7 @@ class FrigateApp():
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self.stop_event.set()
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self.detected_frames_processor.join()
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self.event_processor.join()
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for detector in self.detectors.values():
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detector.stop()
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@ -8,18 +8,19 @@ import datetime
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import subprocess as sp
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import queue
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from frigate.models import Event
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class EventProcessor(threading.Thread):
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def __init__(self, config, camera_processes, cache_dir, clip_dir, event_queue, stop_event, Event):
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def __init__(self, config, camera_processes, event_queue, stop_event):
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threading.Thread.__init__(self)
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self.config = config
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self.cache_dir = self.config['save_clips']['cache_dir']
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self.clips_dir = self.config['save_clips']['clips_dir']
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self.camera_processes = camera_processes
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self.cache_dir = cache_dir
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self.clip_dir = clip_dir
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self.cached_clips = {}
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self.event_queue = event_queue
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self.events_in_process = {}
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self.stop_event = stop_event
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self.Event = Event
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def refresh_cache(self):
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cached_files = os.listdir(self.cache_dir)
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@ -76,7 +77,7 @@ class EventProcessor(threading.Thread):
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earliest_event = datetime.datetime.now().timestamp()
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# if the earliest event exceeds the max seconds, cap it
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max_seconds = self.config.get('save_clips', {}).get('max_seconds', 300)
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max_seconds = self.config['save_clips']['max_seconds']
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if datetime.datetime.now().timestamp()-earliest_event > max_seconds:
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earliest_event = datetime.datetime.now().timestamp()-max_seconds
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@ -127,7 +128,7 @@ class EventProcessor(threading.Thread):
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'-',
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'-c',
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'copy',
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f"{os.path.join(self.clip_dir, clip_name)}.mp4"
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f"{os.path.join(self.clips_dir, clip_name)}.mp4"
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]
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p = sp.run(ffmpeg_cmd, input="\n".join(playlist_lines), encoding='ascii', capture_output=True)
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@ -135,7 +136,7 @@ class EventProcessor(threading.Thread):
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print(p.stderr)
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return
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with open(f"{os.path.join(self.clip_dir, clip_name)}.json", 'w') as outfile:
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with open(f"{os.path.join(self.clips_dir, clip_name)}.json", 'w') as outfile:
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json.dump({
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'id': event_data['id'],
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'label': event_data['label'],
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@ -177,7 +178,7 @@ class EventProcessor(threading.Thread):
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self.events_in_process[event_data['id']] = event_data
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if event_type == 'end':
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self.Event.create(
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Event.create(
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id=event_data['id'],
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label=event_data['label'],
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camera=camera,
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