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VIDEOIO ERROR: V4L2: getting property #7 is not supported

asked 2018-09-14 07:45:35 -0500

pagi gravatar image

I want to count frame per second of my recorded video when i use this Capture.get(CV_CAP_PROP_FRAME_COUNT); it gives me following error VIDEOIO ERROR: V4L2: getting property #7 is not supported any help???? thanks in advance

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answered 2018-09-14 08:38:11 -0500

kbarni gravatar image

The CV_CAP_PROP_FRAME_COUNT will give you the number of frames in a video file. That doesn't apply for a camera (as you don't know how many frames will it capture).

I think you want to use CV_CAP_PROP_FPS which gives you the number of frames per second.

More on the VideoCapture class.

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Asked: 2018-09-14 07:45:35 -0500

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Last updated: Sep 14