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VideoCapture is not working in OpenCV 3.0.0 or the 3.1.0 in Windows 7

asked 2016-02-28 16:59:02 -0500

Hernan Navarro gravatar image

This code work in OpenCV 2.4.10 but not in 3.0.0, wireshark don't show any trafic to the address. I am using Windows 7

cap.open("rtsp://admin:admin@192.168.1.108:554/live");

cap.isOpened() return false

thanks.

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Could you please give us more info? Is the rtsp link working? You can check that through vlc player. What error are you getting?

zshn25 gravatar imagezshn25 ( 2016-02-28 23:04:55 -0500 )edit

i don't know what is the error but it happened to me once but i switched to version 2.4.9 then it worked. It is not an answer but you can give it a try.

MarKS9 gravatar imageMarKS9 ( 2016-02-29 05:10:30 -0500 )edit

Thanks, the link "rtsp://admin:admin@192.168.1.108:554/live" work with VLC and the Media Player Classic included in K-Lite Codec Pack, I did not find the way to get the specific error, only cap.isOpened() return false. I use Wireshark but did not see any activity to that IP address. The same code, but using OpenCV-2.4.10 works witout problems.

Hernan Navarro gravatar imageHernan Navarro ( 2016-02-29 13:25:53 -0500 )edit

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answered 2016-02-29 22:44:18 -0500

zshn25 gravatar image

I think your rtsp link is broken. I tried the same with OpenCV 3.0.0 and its working perfectly fine! image description

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Thanks, but I'm using Visual C ++, the behavior is different, the link is not broken because work with Opencv 2.4.9 and with VLC

Hernan Navarro gravatar imageHernan Navarro ( 2016-03-02 13:00:16 -0500 )edit
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answered 2016-03-02 14:47:00 -0500

Hernan Navarro gravatar image

Thanks for your help, I found the problem, the opencv_ffmpeg300.dll file must be in the path or in the working folder.

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Asked: 2016-02-28 16:59:02 -0500

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Last updated: Mar 02 '16