read video opencv python

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showing results for - "read video opencv python"
Micaela
02 Aug 2020
1import numpy as np
2import cv2
3cap = cv2.VideoCapture('videos/wa.avi')
4while(cap.isOpened()):
5  ret, frame = cap.read()
6  gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
7  cv2.imshow('frame',gray)
8  if cv2.waitKey(1) & 0xFF == ord('q'):
9    break
10
11cap.release()
12cv2.destroyAllWindows()
Lamont
18 May 2016
1import cv2
2frameWidth = 640
3frameHeight = 480
4cap = cv2.VideoCapture("Resources/test_ video.mp4")
5while True:
6    success, img = cap.read()
7    img = cv2.resize(img, (frameWidth, frameHeight))
8    cv2.imshow("Result", img)
9    if cv2.waitKey(1) and 0xFF == ord('q'):
10         break
11
Maria José
10 Aug 2017
1import cv2
2cap = cv2.VideoCapture()
3# The device number might be 0 or 1 depending on the device and the webcam
4cap.open(0, cv2.CAP_DSHOW)
5while(True):
6    ret, frame = cap.read()
7    cv2.imshow('frame', frame)
8    if cv2.waitKey(1) & 0xFF == ord('q'):
9        break
10cap.release()
11cv2.destroyAllWindows()
Alicia
07 Jan 2017
1import cv2
2filename_video = "path_to_your_video"
3
4input_video = cv2.VideoCapture(filename_video)
5if input_video.isOpened() == False:
6  print("Video not found")
7  sys.exit(1)
8else:
9  # Read until the video is completed
10  while(input_video.isOpened()):
11    # Capture frame by frame
12    ret, frame = input_video.read()
13    if ret == True:
14      frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
15      cv2.imshow('frame',frame)
16    else:
17      break
18	
19  input_video.release()
20  cv2.destroyAllWindows()
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