stop recording of IP camera stream after x minutes

python

asked 2016-02-11 11:24:50 -0600

herculas
6 ●3

updated 2016-02-12 01:20:20 -0600

berak
32993 ●7 ●81 ●312

Hi, I am pretty much new to opencv and I am trying my hands in using it for one of my IP camera video recording projects. My question is how to stop or end the camera recording or showing the preview after x minutes without pressing ESC or Q key .

Example from openCV: cap = cv2.VideoCapture(0)

while(True): # Capture frame-by-frame ret, frame = cap.read() print frame, type(frame)

# Our operations on the frame come here
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

# Display the resulting frame
cv2.imshow('frame',gray)
if cv2.waitKey(1) & 0xFF == ord('q'):
    break

When everything done, release the capture

del(cap) cap.release() cv2.destroyAllWindows()

Above example says that User need to press "Q" key to stop the script . Apologies in advance if this question sounds not great and silly.

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import cv2 import time t0 = time.time() # start time in seconds cap = cv2.VideoCapture(0) while(True): ret, frame = cap.read() # ... processing or preview t1 = time.time() # current time num_seconds = t1 - t0 # diff if num_seconds > 30: # e.g. break after 30 seconds break

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Thanks for the answer .

Just added cv2.waitkey(duration) to the above code and it is working as desired.

herculas ( 2016-02-12 04:27:00 -0600 )edit

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stop recording of IP camera stream after x minutes

When everything done, release the capture

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stop recording of IP camera stream after x minutes edit

When everything done, release the capture

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stop recording of IP camera stream after x minutes