OpenCV 2.1 + Qt 4.6 on WindowsXP

[BennM]

Hi,

is it possible to use

double fps = cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);

double fps = cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);

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with your setup when you capture a video from a webcam?

This is not possible to use too:

cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, 320);
cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, 240);

cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, 320);
cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, 240);

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I only get fps = 0.0 on windows xp, opencv 2.2 and qt4.7