Forked from keithweaver/start-video-stream-w-opencv.py
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October 20, 2019 14:21
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Stream video in Python using OpenCV
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# For more info: http://docs.opencv.org/3.0-beta/doc/py_tutorials/py_gui/py_video_display/py_video_display.html | |
import cv2 | |
import numpy as np | |
# Playing video from file: | |
# cap = cv2.VideoCapture('vtest.avi') | |
# Capturing video from webcam: | |
cap = cv2.VideoCapture(0) | |
currentFrame = 0 | |
while(True): | |
# Capture frame-by-frame | |
ret, frame = cap.read() | |
# Handles the mirroring of the current frame | |
frame = cv2.flip(frame,1) | |
# Our operations on the frame come here | |
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) | |
# Saves image of the current frame in jpg file | |
# name = 'frame' + str(currentFrame) + '.jpg' | |
# cv2.imwrite(name, frame) | |
# Display the resulting frame | |
cv2.imshow('frame',gray) | |
if cv2.waitKey(1) & 0xFF == ord('q'): | |
break | |
# To stop duplicate images | |
currentFrame += 1 | |
# When everything done, release the capture | |
cap.release() | |
cv2.destroyAllWindows() | |
# Potential Error: | |
# OpenCV: Cannot Use FaceTime HD Kamera | |
# OpenCV: camera failed to properly initialize! | |
# Segmentation fault: 11 | |
# | |
# Solution: | |
# I solved this by restarting my computer. | |
# http://stackoverflow.com/questions/40719136/opencv-cannot-use-facetime/42678644#42678644 |
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