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handle RTSP stream errors

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blakeblackshear 2019-02-20 07:12:07 -06:00
parent a73760989c
commit aeece7b98c
1 changed files with 8 additions and 1 deletions
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9
detect_objects.py
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@ -360,11 +360,18 @@ def fetch_frames(shared_arr, shared_frame_time, frame_lock, frame_ready, frame_s
arr = tonumpyarray(shared_arr).reshape(frame_shape) arr = tonumpyarray(shared_arr).reshape(frame_shape)
# start the video capture # start the video capture
video = cv2.VideoCapture(RTSP_URL) video = cv2.VideoCapture()
video.open(RTSP_URL)
# keep the buffer small so we minimize old data # keep the buffer small so we minimize old data
video.set(cv2.CAP_PROP_BUFFERSIZE,1) video.set(cv2.CAP_PROP_BUFFERSIZE,1)
while True: while True:
# check if the video stream is still open, and reopen if needed
if not video.isOpened():
success = video.open(RTSP_URL)
if not success:
time.sleep(1)
continue
# grab the frame, but dont decode it yet # grab the frame, but dont decode it yet
ret = video.grab() ret = video.grab()
# snapshot the time the frame was grabbed # snapshot the time the frame was grabbed