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can not read video using cv2.VideoCapture

hello, I have one code: import cv2 cv2.VideoCapture(xxx.mp4/avi) print vidcap.isOpened() it still is False. I google for much time and rebuild ffmpeg and opencv. It they do not work. anyone can give some advises? I use ubuntu16.04 anaconda2 thank you very much~~

can not read video using cv2.VideoCapture

hello, I have one code: import cv2 cv2.VideoCapture(xxx.mp4/avi) print vidcap.isOpened() it still is False. I google for much time and rebuild ffmpeg and opencv. It they do not work. anyone can give some advises? I use ubuntu16.04 anaconda2 thank you very much~~

besides, I have python-opencv3.2 for python, but I install opencv2.4.13 from source. So must I install opencv3.2 from source?