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wait 5 seconds to clear the motion flag

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blakeblackshear 2019-03-15 20:16:19 -05:00
parent c12e19349e
commit de9c3f4d74
1 changed files with 11 additions and 4 deletions
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15
frigate/motion.py
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@ -12,11 +12,21 @@ def detect_motion(shared_arr, shared_frame_time, frame_lock, frame_ready, motion
avg_frame = None avg_frame = None
avg_delta = None avg_delta = None
last_motion = -1
frame_time = 0.0 frame_time = 0.0
motion_frames = 0 motion_frames = 0
while True: while True:
now = datetime.datetime.now().timestamp() now = datetime.datetime.now().timestamp()
# if it has been long enough since the last motion, clear the flag
if last_motion > 0 and (now - last_motion) > 5:
last_motion = -1
if motion_detected.is_set():
motion_detected.clear()
with motion_changed:
motion_changed.notify_all()
with frame_ready: with frame_ready:
# if there isnt a frame ready for processing or it is old, wait for a signal # if there isnt a frame ready for processing or it is old, wait for a signal
if shared_frame_time.value == frame_time or (now - shared_frame_time.value) > 0.5: if shared_frame_time.value == frame_time or (now - shared_frame_time.value) > 0.5:
@ -95,14 +105,11 @@ def detect_motion(shared_arr, shared_frame_time, frame_lock, frame_ready, motion
motion_detected.set() motion_detected.set()
with motion_changed: with motion_changed:
motion_changed.notify_all() motion_changed.notify_all()
last_motion = now
else: else:
# when no motion, just keep averaging the frames together # when no motion, just keep averaging the frames together
cv2.accumulateWeighted(gray, avg_frame, 0.01) cv2.accumulateWeighted(gray, avg_frame, 0.01)
motion_frames = 0 motion_frames = 0
if motion_detected.is_set():
motion_detected.clear()
with motion_changed:
motion_changed.notify_all()
if debug and motion_frames == 3: if debug and motion_frames == 3:
cv2.imwrite("/lab/debug/motion-{}-{}-{}.jpg".format(region_x_offset, region_y_offset, datetime.datetime.now().timestamp()), cropped_frame) cv2.imwrite("/lab/debug/motion-{}-{}-{}.jpg".format(region_x_offset, region_y_offset, datetime.datetime.now().timestamp()), cropped_frame)