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Get camera correctly created

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This commit is contained in:
Nicolas Mowen 2025-06-11 08:37:49 -06:00
parent 301c01dbf2
commit 1d0e9829f6
2 changed files with 23 additions and 5 deletions
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15
frigate/camera/maintainer.py
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@ -1,7 +1,6 @@
"""Create and maintain camera processes / management.""" """Create and maintain camera processes / management."""
import logging import logging
import multiprocessing as mp
import os import os
import shutil import shutil
import threading import threading
@ -125,7 +124,6 @@ class CameraMaintainer(threading.Thread):
return return
if runtime: if runtime:
self.detection_out_events[name] = mp.Event()
self.camera_metrics[name] = CameraMetrics() self.camera_metrics[name] = CameraMetrics()
self.ptz_metrics[name] = PTZMetrics(autotracker_enabled=False) self.ptz_metrics[name] = PTZMetrics(autotracker_enabled=False)
self.region_grids[name] = get_camera_regions_grid( self.region_grids[name] = get_camera_regions_grid(
@ -135,7 +133,20 @@ class CameraMaintainer(threading.Thread):
) )
try: try:
largest_frame = max(
[
det.model.height * det.model.width * 3
if det.model is not None
else 320
for det in self.config.detectors.values()
]
)
UntrackedSharedMemory(name=f"out-{name}", create=True, size=20 * 6 * 4) UntrackedSharedMemory(name=f"out-{name}", create=True, size=20 * 6 * 4)
UntrackedSharedMemory(
name=name,
create=True,
size=largest_frame,
)
except FileExistsError: except FileExistsError:
pass pass

13
frigate/object_detection/base.py
View File

@ -112,15 +112,18 @@ def run_detector(
signal.signal(signal.SIGTERM, receiveSignal) signal.signal(signal.SIGTERM, receiveSignal)
signal.signal(signal.SIGINT, receiveSignal) signal.signal(signal.SIGINT, receiveSignal)
def create_output_shm(name: str):
out_shm = UntrackedSharedMemory(name=f"out-{name}", create=False)
out_np = np.ndarray((20, 6), dtype=np.float32, buffer=out_shm.buf)
outputs[name] = {"shm": out_shm, "np": out_np}
frame_manager = SharedMemoryFrameManager() frame_manager = SharedMemoryFrameManager()
object_detector = LocalObjectDetector(detector_config=detector_config) object_detector = LocalObjectDetector(detector_config=detector_config)
detector_publisher = ObjectDetectorPublisher() detector_publisher = ObjectDetectorPublisher()
outputs = {} outputs = {}
for name in cameras: for name in cameras:
out_shm = UntrackedSharedMemory(name=f"out-{name}", create=False) create_output_shm(name)
out_np = np.ndarray((20, 6), dtype=np.float32, buffer=out_shm.buf)
outputs[name] = {"shm": out_shm, "np": out_np}
while not stop_event.is_set(): while not stop_event.is_set():
try: try:
@ -141,6 +144,10 @@ def run_detector(
detections = object_detector.detect_raw(input_frame) detections = object_detector.detect_raw(input_frame)
duration = datetime.datetime.now().timestamp() - start.value duration = datetime.datetime.now().timestamp() - start.value
frame_manager.close(connection_id) frame_manager.close(connection_id)
if connection_id not in outputs:
create_output_shm(connection_id)
outputs[connection_id]["np"][:] = detections[:] outputs[connection_id]["np"][:] = detections[:]
detector_publisher.publish(connection_id, connection_id) detector_publisher.publish(connection_id, connection_id)
start.value = 0.0 start.value = 0.0